WebSVN – Kolibri OS – Diff – /kernel/branches/kolibri_pe/kernel.asm


format MS COFF
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved.
;; PROGRAMMING:
;; Ivan Poddubny
;; Marat Zakiyanov (Mario79)
;; VaStaNi
;; Trans
;; Mihail Semenyako (mike.dld)
;; Sergey Kuzmin (Wildwest)
;; Andrey Halyavin (halyavin)
;; Mihail Lisovin (Mihasik)
;; Andrey Ignatiev (andrew_programmer)
;; NoName
;; Evgeny Grechnikov (Diamond)
;; Iliya Mihailov (Ghost)
;; Sergey Semyonov (Serge)
;; Johnny_B
;; SPraid (simba)
;; Hidnplayr
;;
;; Data in this file was originally part of MenuetOS project which is
;; distributed under the terms of GNU GPL. It is modified and redistributed as
;; part of KolibriOS project under the terms of GNU GPL.
;;
;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa
;; PROGRAMMING:
;;
;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi
;; - main os coding/design
;; Jan-Michael Brummer, BUZZ2@gmx.de
;; Felix Kaiser, info@felix-kaiser.de
;; Paolo Minazzi, paolo.minazzi@inwind.it
;; quickcode@mail.ru
;; Alexey, kgaz@crosswinds.net
;; Juan M. Caravaca, bitrider@wanadoo.es
;; kristol@nic.fi
;; Mike Hibbett, mikeh@oceanfree.net
;; Lasse Kuusijarvi, kuusijar@lut.fi
;; Jarek Pelczar, jarekp3@wp.pl
;;
;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY
;; WARRANTY. No author or distributor accepts responsibility to anyone for the
;; consequences of using it or for whether it serves any particular purpose or
;; works at all, unless he says so in writing. Refer to the GNU General Public
;; License (the "GPL") for full details.
;
;; Everyone is granted permission to copy, modify and redistribute KolibriOS,
;; but only under the conditions described in the GPL. A copy of this license
;; is supposed to have been given to you along with KolibriOS so you can know
;; your rights and responsibilities. It should be in a file named COPYING.
;; Among other things, the copyright notice and this notice must be preserved
;; on all copies.
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
include 'macros.inc'
 
$Revision: 2971 $
 
 
fastcall equ call
 
USE_COM_IRQ equ 1      ;make irq 3 and irq 4 available for PCI devices
 
include "proc32.inc"
include "kglobals.inc"
include "lang.inc"
 
include "const.inc"
max_processes	 equ   255
tss_step	 equ   (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
 
sel_tss         equ  (tss_l - _gdts)           ;0x08
 
sel_os_code     equ  (os_code_l  - _gdts)      ;0x10
sel_os_stack    equ  (os_stacK_l - _gdts)      ;0x18
 
sel_app_code    equ  (app_code_l - _gdts +3)   ;0x23
sel_app_data    equ  (app_data_l - _gdts +3)   ;0x2B
 
sel_srv_code    equ  (srv_code_l - _gdts +1)   ;0x31
sel_srv_stack   equ  (srv_stack_l- _gdts +1)   ;0x39
 
sel_pci_code    equ  (pci_code_32-_gdts)       ;0x40
sel_pci_data    equ  (pci_data_32-_gdts)       ;0x48
 
sel_graph_data  equ  (graph_data_l-_gdts +3)
 
sel_code_16     equ  (code_16_l - _gdts)
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;   Included files:
;;
;;   Kernel16.inc
;;    - Booteng.inc   English text for bootup
;;    - Bootcode.inc  Hardware setup
;;    - Pci16.inc     PCI functions
;;
;;   Kernel32.inc
;;    - Sys32.inc     Process management
;;    - Shutdown.inc  Shutdown and restart
;;    - Fat32.inc     Read / write hd
;;    - Vesa12.inc    Vesa 1.2 driver
;;    - Vesa20.inc    Vesa 2.0 driver
;;    - Vga.inc       VGA driver
;;    - Stack.inc     Network interface
;;    - Mouse.inc     Mouse pointer
;;    - Scincode.inc  Window skinning
;;    - Pci32.inc     PCI functions
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 
public _boot_mbi
public _sys_pdbr
public _gdts
 
public __hlt
public _panic_printf
public _printf
public _dump
public _pg_balloc
public _mem_amount
public @balloc@4
 
public system_init
 
public _rd_base
public _rd_fat
public _rd_fat_end
public _rd_root
public _rd_root_end
 
public _current_task
public _current_slot
public _current_thread
public _k_reenter
 
public _load_file@4
 
public mnt_exec
 
public @pe_app_space@4
public pe_app_param
public _init_user_heap
 
public user_alloc
public user_free
 
public _strncmp@12
 
public _LoadFile            ; stdcall export
 
public _CreateObject        ;         export
public _DestroyObject       ;         export
 
public _CreateRingBuffer    ; stdcall export
public _CommitPages         ;         export
public _GetPgAddr           ;         export
public _MapIoMem            ; stdcall export
public _UnmapPages          ;         export
 
public _Kmalloc             ;         export
public _Kfree               ;         export
public _UserAlloc           ; stdcall export
public _UserFree            ; stdcall export
 
public _RegService          ; stdcall export
public _SysMsgBoardStr      ;         export
public _SetScreen           ;         export    FIXME  make fastcall
 
public _PciApi              ;         export
public _PciRead8            ; stdcall export
public _PciRead16           ; stdcall export
public _PciRead32           ; stdcall export
public _PciWrite8           ; stdcall export
public _PciWrite16          ; stdcall export
public _PciWrite32          ; stdcall export
 
public _SelectHwCursor      ; stdcall export
public _SetHwCursor         ; stdcall export
public _HwCursorRestore     ;         export
public _HwCursorCreate      ;         export
 
public init_idt
public init_fpu
public init_malloc
public init_mtrr
 
public sysenter_entry
public syscall_entry
 
public scr_mode
public LFBAddress
public LFBSize
 
public _screen_width
public _screen_height
 
public _vesa20_drawbar
 
 
extrn __edata
 
extrn __os_stack
 
extrn _pg_balloc
 
extrn _16bit_start
extrn _16bit_end
 
 
extrn _poweroff
 
extrn @pf_dump@8
 
extrn @frame_alloc@4
extrn @frame_free@4
 
extrn @find_large_md@4
 
extrn @heap_fault@8
 
 
extrn _MemAlloc
extrn _MemFree
 
@mem_alloc@8        equ  _MemAlloc
@mem_free@4         equ  _MemFree
 
extrn  @create_systhread@4
extrn  _sys_exec
 
;extrn @load_pe@4
extrn @load_pe_driver@4
 
extrn _alloc_page
 
extrn _get_free_mem
 
extrn _bx_from_load
 
extrn _sys_app_entry
 
public _set_screen
 
extrn _i40
 
extrn test_cpu
 
extrn cpu_vendor
extrn cpu_sign
extrn cpu_info
extrn cpu_caps:dword
 
 
extrn stb_create_window
extrn stb_show_window
extrn stb_get_event
extrn stb_def_window_proc
 
section '.flat' code readable align 4096
 
use32
 
align 4
 
use32
 
        ;   call test_cpu
        ;   bts [cpu_caps-OS_BASE], CAPS_TSC     ;force use rdtsc
 
        ;   call init_BIOS32
 
;           jmp pword os_code:high_code
 
align 4
;bios32_entry    dd ?
;tmp_page_tabs   dd ?
 
 
__DEBUG__ fix 1
__DEBUG_LEVEL__ fix 1
 
 
MEM_WB     equ 6               ;write-back memory
MEM_WC     equ 1               ;write combined memory
MEM_UC     equ 0               ;uncached memory
 
 
__hlt:
           cli
@@:
           hlt
           jmp @B
 
align 4
_panic_printf:
 
           mov dword [esp], __hlt
           jmp _printf
 
align 4
include 'printf.inc'
 
; --------------- APM ---------------------
 
align 4
init_apm:
; init selectors
    mov ebx,    [OS_BASE +0x9040]    ; offset of APM entry point
    movzx eax, word [OS_BASE+0x9050] ; real-mode segment base address of
				      ; protected-mode 32-bit code segment
    movzx ecx, word [OS_BASE+0x9052] ; real-mode segment base address of
				      ; protected-mode 16-bit code segment
    movzx edx, word [OS_BASE+0x9054] ; real-mode segment base address of
				      ; protected-mode 16-bit data segment
 
    shl    eax, 4
    mov    [dword apm_code_32 + 2], ax
    shr    eax, 16
    mov    [dword apm_code_32 + 4], al
 
    shl    ecx, 4
    mov    [dword apm_code_16 + 2], cx
    shr    ecx, 16
    mov    [dword apm_code_16 + 4], cl
 
    shl    edx, 4
    mov    [dword apm_data_16 + 2], dx
    shr    edx, 16
    mov    [dword apm_data_16 + 4], dl
 
    mov    dword[apm_entry], ebx
    mov    word [apm_entry + 4], apm_code_32 - _gdts
 
    mov    eax, [OS_BASE + 0x9044]    ; version & flags
    mov    [apm_vf], eax
    ret
 
align 16
system_init:
 
        mov [pg_data.pg_mutex], 0
 
        call init_apm
 
; SAVE REAL MODE VARIABLES
        mov   ax, [OS_BASE + 0x9031]
        mov   [IDEContrRegsBaseAddr], ax
 
        mov   al, [OS_BASE+0x901F]       ; DMA access
        mov   [allow_dma_access], al
 
        movzx eax, byte [OS_BASE+0x9000]    ; bpp
        mov   [ScreenBPP], eax
 
        movzx eax,word [OS_BASE+0x900A]  ; X max
        movzx ebx,word [OS_BASE+0x900C]  ; Y max
        mov   [_screen_width],  eax
        mov   [_screen_height], ebx
        dec   eax
        dec   ebx
        mov   [Screen_Max_X],eax
        mov   [screen_workarea.right],eax
        mov   [Screen_Max_Y],ebx
        mov   [screen_workarea.bottom],ebx
        mov   [BytesPerScanLine], 640*4
        cmp   [scr_mode], 0x13      ; 320x200
        je    @f
        cmp   [scr_mode], 0x12      ; VGA 640x480
        je    @f
 
        movzx   eax, word [OS_BASE+0x9001]    ; for other modes
        mov   [BytesPerScanLine], eax
@@:
        mov esi, OS_BASE+0x9080
        movzx   ecx, byte [esi-1]
        mov [NumBiosDisks], ecx
        mov edi, BiosDisksData
        rep movsd
 
; GRAPHICS ADDRESSES
 
        mov byte [OS_BASE+0x901e],0x0
 
        cmp [scr_mode], 0100000000000000b
        jge setvesa20
        cmp [scr_mode], 0x13
        je  v20ga32
        mov [put_pixel], Vesa12_putpixel24  ; Vesa 1.2
        mov [get_pixel],dword Vesa12_getpixel24
        cmp byte [ScreenBPP], 24
        jz  ga24
        mov [put_pixel], Vesa12_putpixel32
        mov [get_pixel],dword Vesa12_getpixel32
ga24:
        jmp v20ga24
setvesa20:
        mov [put_pixel], Vesa20_putpixel24  ; Vesa 2.0
        mov [get_pixel],dword Vesa20_getpixel24
        cmp byte [ScreenBPP], 24
        jz  v20ga24
v20ga32:
        mov [put_pixel], Vesa20_putpixel32
        mov [get_pixel],dword Vesa20_getpixel32
v20ga24:
        cmp [scr_mode], 0x12            ; 16 C VGA 640x480
        jne no_mode_0x12
        mov [put_pixel], VGA_putpixel
        mov [get_pixel],dword Vesa20_getpixel32
no_mode_0x12:
 
           mov ecx, 1280*1024
           mov edx, PG_SW
           call @mem_alloc@8
           mov [_display_data], eax
 
           mov ecx, 4096 + (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
                    (unpack.lc+unpack.lp)))*4
 
           mov edx, PG_SW
           call @mem_alloc@8
           mov [unpack.p], eax
 
;Set base of graphic segment to linear address of LFB
 
           mov eax, LFB_BASE
           mov [graph_data_l+2],ax
           shr eax,16
           mov [graph_data_l+4],al
           mov [graph_data_l+7],ah
 
           mov ecx, 0x51000
           xor edx, edx
           call @mem_alloc@8
           mov [default_io_map], eax
 
           add eax, 0x2000
           mov [ipc_tmp], eax
           mov ebx, 0x1000
 
           add eax, 0x40000
           mov [proc_mem_map], eax
 
           add eax, 0x8000
           mov [proc_mem_pdir], eax
 
           add eax, ebx
           mov [proc_mem_tab], eax
 
           add eax, ebx
           mov [tmp_task_pdir], eax
 
           add eax, ebx
           mov [tmp_task_ptab], eax
 
           add eax, ebx
           mov [ipc_pdir], eax
 
           add eax, ebx
           mov [ipc_ptab], eax
 
           call init_events
           mov eax, srv.fd-SRV_FD_OFFSET
           mov [srv.fd], eax
           mov [srv.bk], eax
 
           mov edi, irq_tab
           xor eax, eax
           mov ecx, 16
           rep stosd
 
           mov [CURRENT_TASK],dword 1
           mov [TASK_COUNT],dword 1
           mov [TASK_BASE],dword TASK_DATA
           mov [current_slot], SLOT_BASE+256
 
; set background
           xor  eax,eax
           inc  eax
           mov   [BgrDrawMode],eax
           mov   [BgrDataWidth],eax
           mov   [BgrDataHeight],eax
           mov ecx, 4095
           mov edx, PG_SW
           mov    [mem_BACKGROUND],4095
           call @mem_alloc@8
           mov [img_background], eax
 
           mov     [SLOT_BASE + 256 + APPDATA.dir_table], _sys_pdbr + (0x100000000-OS_BASE)
 
; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
 
           call  rerouteirqs
 
; Initialize system V86 machine
        ;   call    init_sys_v86
 
; TIMER SET TO 1/100 S
 
	mov   al,0x34		   ; set to 100Hz
	out   0x43,al
	mov   al,0x9b		   ; lsb    1193180 / 1193
	out   0x40,al
	mov   al,0x2e		   ; msb
	out   0x40,al
 
; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15)
; they are used: when partitions are scanned, hd_read relies on timer
	mov	al, 0xFE
	out	0x21, al
	mov	al, 0x3F
	out	0xA1, al
 
;!!!!!!!!!!!!!!!!!!!!!!!!!!
include 'detect/disks.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!!!
 
  call Parser_params
 
; READ RAMDISK IMAGE FROM HD
 
;!!!!!!!!!!!!!!!!!!!!!!!
;include 'boot/rdload.inc'
;!!!!!!!!!!!!!!!!!!!!!!!
;    mov    [dma_hdd],1
; CALCULATE FAT CHAIN FOR RAMDISK
 
	call  calculatefatchain
 
 
 ; mov ax,[OS_BASE+0x10000+bx_from_load]
 ; cmp ax,'r1'           ; if using not ram disk, then load librares and parameters {SPraid.simba}
 ; je  no_lib_load
; LOADING LIBRARES
;   stdcall dll.Load,@IMPORT                 ; loading librares for kernel (.obj files)
;   call load_file_parse_table               ; prepare file parse table
;   call set_kernel_conf                     ; configure devices and gui
;no_lib_load:
 
; LOAD FONTS I and II
 
	stdcall read_file, char, FONT_I, 0, 2304
        stdcall read_file, char2, FONT_II, 0, 2560
 
	mov   esi,boot_fonts
	call  boot_log
 
; PRINT AMOUNT OF MEMORY
	mov	esi, boot_memdetect
	call	boot_log
 
	movzx	ecx, word [boot_y]
	or	ecx, (10+29*6) shl 16 ; "Determining amount of memory"
	sub	ecx, 10
	mov	edx, 0xFFFFFF
        mov     ebx, [_mem_amount]
	shr	ebx, 20
	mov	edi, 1
	mov	eax, 0x00040000
	call	display_number_force
 
; BUILD SCHEDULER
 
	call   build_scheduler ; sys32.inc
 
	mov    esi,boot_devices
	call   boot_log
 
	mov  [pci_access_enabled],1
 
 
; SET PRELIMINARY WINDOW STACK AND POSITIONS
 
        mov   esi,boot_windefs
        call  boot_log
        call  setwindowdefaults
 
; SET BACKGROUND DEFAULTS
 
        mov   esi,boot_bgr
        call  boot_log
        call  init_background
        call  calculatebackground
 
; RESERVE SYSTEM IRQ'S JA PORT'S
 
        mov   esi,boot_resirqports
        call  boot_log
        call  reserve_irqs_ports
 
; SET PORTS FOR IRQ HANDLERS
 
        mov  esi,boot_setrports
        call boot_log
	;call setirqreadports
 
; SETUP OS TASK
 
        mov  esi,boot_setostask
        call boot_log
 
        xor  eax, eax
        mov  dword [SLOT_BASE+APPDATA.fpu_state], fpu_data
        mov  dword [SLOT_BASE+APPDATA.fpu_handler], eax
        mov  dword [SLOT_BASE+APPDATA.sse_handler], eax
 
; name for OS/IDLE process
 
        mov dword [SLOT_BASE+256+APPDATA.app_name],   dword 'OS/I'
        mov dword [SLOT_BASE+256+APPDATA.app_name+4], dword 'DLE '
        mov edi,  __os_stack-8192+512
        mov dword [SLOT_BASE+256+APPDATA.pl0_stack], edi
        add edi, 0x2000-512
        mov dword [SLOT_BASE+256+APPDATA.fpu_state], edi
        mov dword [SLOT_BASE+256+APPDATA.saved_esp0], edi ; just for case
        mov dword [SLOT_BASE+256+APPDATA.io_map],\
              (tss._io_map_0-OS_BASE+PG_MAP)
        mov dword [SLOT_BASE+256+APPDATA.io_map+4],\
              (tss._io_map_1-OS_BASE+PG_MAP)
 
        mov esi, fpu_data
        mov ecx, 512/4
        cld
        rep movsd
 
        mov dword [SLOT_BASE+256+APPDATA.fpu_handler], eax
        mov dword [SLOT_BASE+256+APPDATA.sse_handler], eax
 
        mov ebx, SLOT_BASE+256+APP_OBJ_OFFSET
        mov  dword [SLOT_BASE+256+APPDATA.fd_obj], ebx
        mov  dword [SLOT_BASE+256+APPDATA.bk_obj], ebx
 
        mov  dword [SLOT_BASE+256+APPDATA.cur_dir], sysdir_path
 
        ; task list
        mov  [CURRENT_TASK],dword 1
        mov  [TASK_COUNT],dword 1
        mov  [current_slot], SLOT_BASE+256
        mov  [TASK_BASE],dword TASK_DATA
        mov  [TASK_DATA+TASKDATA.wnd_number], 1 ; on screen number
        mov  [TASK_DATA+TASKDATA.pid], 1    ; process id number
        mov  [TASK_DATA+TASKDATA.mem_start], 0  ; process base address
 
        call init_cursors
        mov eax, [def_cursor]
        mov [SLOT_BASE+APPDATA.cursor],eax
        mov [SLOT_BASE+APPDATA.cursor+256],eax
 
      ;  mov ecx, szAtiHW
      ;  call @load_pe_driver@4
 
  ; READ TSC / SECOND
 
	mov   esi,boot_tsc
	call  boot_log
 
	call  _rdtsc
	mov   ecx,eax
	mov   esi,250		    ; wait 1/4 a second
	call  delay_ms
	call  _rdtsc
 
	sub   eax,ecx
	shl   eax,2
	mov   [CPU_FREQ],eax	      ; save tsc / sec
	mov ebx, 1000000
	div ebx
	mov [stall_mcs], eax
 
; SET VARIABLES
 
	call  set_variables
 
; SET MOUSE
 
	stdcall load_driver, szPS2MDriver
       ; stdcall load_driver, szCOM_MDriver
 
; STACK AND FDC
 
        call  stack_init
	call  fdc_init
 
; PALETTE FOR 320x200 and 640x480 16 col
 
    cmp   [scr_mode], 0x12
	jne   no_pal_vga
	mov   esi,boot_pal_vga
	call  boot_log
	call  paletteVGA
      no_pal_vga:
 
    cmp   [scr_mode], 0x13
	jne   no_pal_ega
	mov   esi,boot_pal_ega
	call  boot_log
	call  palette320x200
      no_pal_ega:
 
; LOAD DEFAULT SKIN
 
	call	load_default_skin
 
;protect io permission map
 
         ;  mov esi, [default_io_map]
         ;  stdcall map_page,esi,(tss._io_map_0-OS_BASE), PG_MAP
         ;  add esi, 0x1000
         ;  stdcall map_page,esi,(tss._io_map_1-OS_BASE), PG_MAP
 
         ;  stdcall map_page,tss._io_map_0,\
         ;          (tss._io_map_0-OS_BASE), PG_MAP
         ;  stdcall map_page,tss._io_map_1,\
         ;          (tss._io_map_1-OS_BASE), PG_MAP
 
;  mov ax,[OS_BASE+0x10000+bx_from_load]
;  cmp ax,'r1'           ; if not rused ram disk - load network configuration from files {SPraid.simba}
;  je  no_st_network
;        call set_network_conf
;  no_st_network:
 
; LOAD FIRST APPLICATION
 
        push 0
        push 0
        push read_firstapp
        call _sys_exec
        add esp, 12
 
	cmp   eax,2		     ; continue if a process has been loaded
	je    first_app_found
 
	mov	esi, boot_failed
	call	boot_log
 
	mov   eax, 0xDEADBEEF	     ; otherwise halt
	hlt
 
first_app_found:
 
	cli
 
	;mov   [TASK_COUNT],dword 2
	mov   [CURRENT_TASK],dword 1	   ; set OS task fisrt
 
; SET KEYBOARD PARAMETERS
	mov   al, 0xf6	       ; reset keyboard, scan enabled
	call  kb_write
 
	; wait until 8042 is ready
	xor ecx,ecx
@@:
	in     al,64h
	and    al,00000010b
	loopnz @b
 
	mov   al, 0xF3	     ; set repeat rate & delay
	call  kb_write
;        call  kb_read
	mov   al, 0 ; 30 250 ;00100010b ; 24 500  ;00100100b  ; 20 500
	call  kb_write
;        call  kb_read
     ;// mike.dld [
	call  set_lights
     ;// mike.dld ]
 
; START MULTITASKING
 
;if preboot_blogesc
;        mov     esi, boot_tasking
;        call    boot_log
;.bll1:  in      al, 0x60        ; wait for ESC key press
;        cmp     al, 129
;        jne     .bll1
;end if
 
; UNMASK ALL IRQ'S
 
	mov   esi,boot_allirqs
	call  boot_log
 
        mov   al,0                   ; unmask all irq's
	out   0xA1,al
	out   0x21,al
 
	mov   ecx,32
 
     ready_for_irqs:
 
	mov   al,0x20		     ; ready for irqs
	out   0x20,al
	out   0xa0,al
 
	loop  ready_for_irqs	     ; flush the queue
 
	stdcall attach_int_handler, dword 1, irq1, dword 0
 
;        mov    [dma_hdd],1
	cmp	[IDEContrRegsBaseAddr], 0
	setnz	[dma_hdd]
	mov [timer_ticks_enable],1		; for cd driver
 
;xchg bx, bx
	sti
	call change_task
 
	jmp osloop
 
;        jmp   $                      ; wait here for timer to take control
 
	; Fly :)
 
include 'unpacker.inc'
include 'fdo.inc'
 
align 4
boot_log:
	 pushad
 
	 mov   ebx,10*65536
	 mov   bx,word [boot_y]
	 add   [boot_y],dword 10
	 mov   ecx,0x80ffffff	; ASCIIZ string with white color
	 mov   edx,esi
	 mov   edi,1
 
         call  dtext
 
	 mov   [novesachecksum],1000
	 call  checkVga_N13
 
	 popad
 
	 ret
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;                                                                    ;
;                    MAIN OS LOOP START                              ;
;                                                                    ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 32
osloop:
	call   [draw_pointer]
	call   checkbuttons
	call   checkwindows
;       call   check_window_move_request
	call   checkmisc
	call   checkVga_N13
        call   stack_handler
	call   checkidle
	call   check_fdd_motor_status
	call   check_ATAPI_device_event
	jmp    osloop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;                                                                    ;
;                      MAIN OS LOOP END                              ;
;                                                                    ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
checkidle:
	pushad
 
	cmp  [check_idle_semaphore],0
	jne  no_idle_state
 
	call change_task
	mov  eax,[idlemem]
	mov  ebx,[timer_ticks] ;[0xfdf0]
	cmp  eax,ebx
	jnz  idle_exit
	call _rdtsc
	mov  ecx,eax
idle_loop:
	hlt
	cmp  [check_idle_semaphore],0
	jne  idle_loop_exit
	mov  eax,[timer_ticks] ;[0xfdf0]
	cmp  ebx,eax
	jz   idle_loop
idle_loop_exit:
	mov  [idlemem],eax
	call _rdtsc
	sub  eax,ecx
	mov  ebx,[idleuse]
	add  ebx,eax
	mov  [idleuse],ebx
 
	popad
	ret
 
      idle_exit:
 
	mov  ebx,[timer_ticks] ;[0xfdf0]
	mov  [idlemem],ebx
	call change_task
 
	popad
	ret
 
      no_idle_state:
 
	dec  [check_idle_semaphore]
 
	mov  ebx,[timer_ticks] ;[0xfdf0]
	mov  [idlemem],ebx
	call change_task
 
	popad
	ret
 
uglobal
  idlemem		dd   0x0
  idleuse		dd   0x0
  idleusesec		dd   0x0
  check_idle_semaphore	dd   0x0
endg
 
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;                                                                      ;
;                   INCLUDED SYSTEM FILES                              ;
;                                                                      ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 
include "kernel32.inc"
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;                                                                      ;
;                       KERNEL FUNCTIONS                               ;
;                                                                      ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
reserve_irqs_ports:
 
	pushad
 
	mov  [irq_owner+4*0], 1    ; timer
	;mov  [irq_owner+4*1], 1    ; keyboard
	mov  [irq_owner+4*6], 1    ; floppy diskette
	mov  [irq_owner+4*13], 1   ; math co-pros
	mov  [irq_owner+4*14], 1   ; ide I
	mov  [irq_owner+4*15], 1   ; ide II
 
	; RESERVE PORTS
	mov   edi,1		       ; 0x00-0x2d
	mov   [RESERVED_PORTS],edi
	shl   edi,4
	mov   [RESERVED_PORTS+edi+0],dword 1
	mov   [RESERVED_PORTS+edi+4],dword 0x0
	mov   [RESERVED_PORTS+edi+8],dword 0x2d
 
	inc   dword [RESERVED_PORTS]	      ; 0x30-0x4d
	mov   edi,[RESERVED_PORTS]
	shl   edi,4
	mov   [RESERVED_PORTS+edi+0],dword 1
	mov   [RESERVED_PORTS+edi+4],dword 0x30
	mov   [RESERVED_PORTS+edi+8],dword 0x4d
 
	inc   dword [RESERVED_PORTS]	      ; 0x50-0xdf
	mov   edi,[RESERVED_PORTS]
	shl   edi,4
	mov   [RESERVED_PORTS+edi+0],dword 1
	mov   [RESERVED_PORTS+edi+4],dword 0x50
	mov   [RESERVED_PORTS+edi+8],dword 0xdf
 
	inc   dword [RESERVED_PORTS]	      ; 0xe5-0xff
	mov   edi,[RESERVED_PORTS]
	shl   edi,4
	mov   [RESERVED_PORTS+edi+0],dword 1
	mov   [RESERVED_PORTS+edi+4],dword 0xe5
	mov   [RESERVED_PORTS+edi+8],dword 0xff
 
	popad
	ret
 
setirqreadports:
 
	mov   [irq12read+0],dword 0x60 + 0x01000000  ; read port 0x60 , byte
	mov   [irq12read+4],dword 0		     ; end of port list
	;mov   [irq04read+0],dword 0x3f8 + 0x01000000 ; read port 0x3f8 , byte
	;mov   [irq04read+4],dword 0                  ; end of port list
	;mov   [irq03read+0],dword 0x2f8 + 0x01000000 ; read port 0x2f8 , byte
	;mov   [irq03read+4],dword 0                  ; end of port list
 
	ret
 
iglobal
  process_number dd 0x1
endg
 
set_variables:
 
        mov   ecx,0x100                          ; flush port 0x60
.fl60:
        in    al,0x60
        loop  .fl60
 
        mov   [KEY_COUNT], 0             ; keyboard buffer
        mov   [BTN_COUNT], 0                 ; button buffer
 
        push  eax
        mov   ax,[OS_BASE+0x900c]
        shr   ax,1
        shl   eax,16
        mov   ax,[OS_BASE+0x900A]
        shr   ax,1
        mov   dword [MOUSE_X], eax
        pop   eax
 
        mov   [btn_addr], BUTTON_INFO       ; address of button list
 
     ;!! IP 04.02.2005:
        mov   [next_usage_update], 100
        mov   [dont_switch], 0              ; change task if possible
 
	ret
 
;* mouse centered - start code- Mario79
mouse_centered:
	push  eax
	mov   eax,[Screen_Max_X]
	shr   eax,1
	mov   [MOUSE_X],ax
	mov   eax,[Screen_Max_Y]
	shr   eax,1
	mov   [MOUSE_Y],ax
	pop   eax
	ret
;* mouse centered - end code- Mario79
 
align 4
 
sys_outport:
 
    mov   edi,ebx	   ; separate flag for read / write
    and   ebx,65535
 
    mov   ecx,[RESERVED_PORTS]
    test  ecx,ecx
    jne   sopl8
    mov   [esp+36],dword 1
    ret
 
  sopl8:
    mov   edx,[TASK_BASE]
    mov   edx,[edx+0x4]
    and   ebx,65535
    cld
  sopl1:
 
    mov   esi,ecx
    shl   esi,4
    add   esi,RESERVED_PORTS
    cmp   edx,[esi+0]
    jne   sopl2
    cmp   ebx,[esi+4]
    jb	  sopl2
    cmp   ebx,[esi+8]
    jg	  sopl2
    jmp   sopl3
 
  sopl2:
 
    dec   ecx
    jnz   sopl1
    mov   [esp+36],dword 1
    ret
 
  sopl3:
 
    test  edi,0x80000000 ; read ?
    jnz   sopl4
 
    mov   dx,bx 	 ; write
    out   dx,al
    mov   [esp+36],dword 0
    ret
 
  sopl4:
 
    mov   dx,bx 	 ; read
    in	  al,dx
    and   eax,0xff
    mov   [esp+36],dword 0
    mov   [esp+24],eax
    ret
 
display_number:
 
; eax = print type, al=0 -> ebx is number
;                   al=1 -> ebx is pointer
;                   ah=0 -> display decimal
;                   ah=1 -> display hexadecimal
;                   ah=2 -> display binary
;                   eax bits 16-21 = number of digits to display (0-32)
;                   eax bits 22-31 = reserved
;
; ebx = number or pointer
; ecx = x shl 16 + y
; edx = color
	xor	edi, edi
display_number_force:
     push  eax
     and   eax,0x3fffffff
     cmp   eax,0xffff		 ; length > 0 ?
     pop   eax
     jge   cont_displ
     ret
   cont_displ:
     push  eax
     and   eax,0x3fffffff
     cmp   eax,61*0x10000	 ; length <= 60 ?
     pop   eax
     jb    cont_displ2
     ret
   cont_displ2:
 
     pushad
 
     cmp   al,1 		 ; ecx is a pointer ?
     jne   displnl1
     mov   ebp,ebx
     add   ebp,4
     mov   ebp,[ebp]
     mov   ebx,[ebx]
   displnl1:
     sub   esp,64
 
     cmp   ah,0 		 ; DECIMAL
     jne   no_display_desnum
     shr   eax,16
     and   eax,0xC03f
;     and   eax,0x3f
     push  eax
     and   eax,0x3f
     mov   edi,esp
     add   edi,4+64-1
     mov   ecx,eax
     mov   eax,ebx
     mov   ebx,10
   d_desnum:
     xor   edx,edx
     call  division_64_bits
     div   ebx
     add   dl,48
     mov   [edi],dl
     dec   edi
     loop  d_desnum
     pop   eax
     call  normalize_number
     call  draw_num_text
     add   esp,64
     popad
     ret
   no_display_desnum:
 
     cmp   ah,0x01		 ; HEXADECIMAL
     jne   no_display_hexnum
     shr   eax,16
     and   eax,0xC03f
;     and   eax,0x3f
     push  eax
     and   eax,0x3f
     mov   edi,esp
     add   edi,4+64-1
     mov   ecx,eax
     mov   eax,ebx
     mov   ebx,16
   d_hexnum:
     xor   edx,edx
     call  division_64_bits
     div   ebx
     add   edx,hexletters
     mov   dl,[edx]
     mov   [edi],dl
     dec   edi
     loop  d_hexnum
     pop   eax
     call  normalize_number
     call  draw_num_text
     add   esp,64
     popad
     ret
   no_display_hexnum:
 
     cmp   ah,0x02		 ; BINARY
     jne   no_display_binnum
     shr   eax,16
     and   eax,0xC03f
;     and   eax,0x3f
     push  eax
     and   eax,0x3f
     mov   edi,esp
     add   edi,4+64-1
     mov   ecx,eax
     mov   eax,ebx
     mov   ebx,2
   d_binnum:
     xor   edx,edx
     call  division_64_bits
     div   ebx
     add   dl,48
     mov   [edi],dl
     dec   edi
     loop  d_binnum
     pop   eax
     call  normalize_number
     call  draw_num_text
     add   esp,64
     popad
     ret
   no_display_binnum:
 
     add   esp,64
     popad
     ret
 
normalize_number:
     test  ah,0x80
     jz   .continue
     mov  ecx,48
     and   eax,0x3f
@@:
     inc   edi
     cmp   [edi],cl
     jne   .continue
     dec   eax
     cmp   eax,1
     ja    @r
     mov   al,1
.continue:
     and   eax,0x3f
     ret
 
division_64_bits:
     test  [esp+1+4],byte 0x40
     jz   .continue
     push  eax
     mov   eax,ebp
     div   ebx
     mov   ebp,eax
     pop   eax
.continue:
     ret
 
draw_num_text:
     mov   esi,eax
     mov   edx,64+4
     sub   edx,eax
     add   edx,esp
     mov   ebx,[esp+64+32-8+4]
; add window start x & y
     mov   ecx,[TASK_BASE]
 
     mov   edi,[CURRENT_TASK]
     shl   edi,8
 
     mov   eax,[ecx-twdw+WDATA.box.left]
     add   eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
     shl   eax,16
     add   eax,[ecx-twdw+WDATA.box.top]
     add   eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
     add   ebx,eax
     mov   ecx,[esp+64+32-12+4]
	and	ecx, not 0x80000000	; force counted string
	mov	eax, [esp+64+8] 	; background color (if given)
	mov	edi, [esp+64+4]
     jmp   dtext
 
align 4
 
sys_setup:
 
; 1=roland mpu midi base , base io address
; 2=keyboard   1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
; 3=cd base    1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 5=system language, 1eng 2fi 3ger 4rus
; 7=hd base    1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 8=fat32 partition in hd
; 9
; 10 = sound dma channel
; 11 = enable lba read
; 12 = enable pci access
 
 
     mov  [esp+36],dword 0
     cmp  eax,1 		     ; MIDI
     jnz  nsyse1
     cmp  ebx,0x100
     jb   nsyse1
     mov  edx,65535
     cmp  edx,ebx
     jb   nsyse1
     mov  [midi_base],bx
     mov  word [mididp],bx
     inc  bx
     mov  word [midisp],bx
     ret
 
iglobal
midi_base dw 0
endg
 
   nsyse1:
 
     cmp  eax,2 		     ; KEYBOARD
     jnz  nsyse2
     cmp  ebx,1
     jnz  kbnobase
     mov  edi,[TASK_BASE]
     add  ecx,[edi+TASKDATA.mem_start]
     mov  eax,ecx
     mov  ebx,keymap
     mov  ecx,128
     call memmove
     ret
   kbnobase:
     cmp  ebx,2
     jnz  kbnoshift
     mov  edi,[TASK_BASE]
     add  ecx,[edi+TASKDATA.mem_start]
     mov  eax,ecx
     mov  ebx,keymap_shift
     mov  ecx,128
     call memmove
     ret
   kbnoshift:
     cmp  ebx,3
     jne  kbnoalt
     mov  edi,[TASK_BASE]
     add  ecx,[edi+TASKDATA.mem_start]
     mov  eax,ecx
     mov  ebx,keymap_alt
     mov  ecx,128
     call memmove
     ret
   kbnoalt:
     cmp  ebx,9
     jnz  kbnocountry
     mov  word [keyboard],cx
     ret
   kbnocountry:
     mov  [esp+36],dword 1
     ret
   nsyse2:
     cmp  eax,3 		     ; CD
     jnz  nsyse4
     test ebx,ebx
     jz   nosesl
     cmp  ebx, 4
     ja   nosesl
     mov  [cd_base],bl
     cmp  ebx,1
     jnz  noprma
     mov  [cdbase],0x1f0
     mov  [cdid],0xa0
   noprma:
     cmp  ebx,2
     jnz  noprsl
     mov  [cdbase],0x1f0
     mov  [cdid],0xb0
   noprsl:
     cmp  ebx,3
     jnz  nosema
     mov  [cdbase],0x170
     mov  [cdid],0xa0
   nosema:
     cmp  ebx,4
     jnz  nosesl
     mov  [cdbase],0x170
     mov  [cdid],0xb0
   nosesl:
     ret
 
cd_base db 0
 
   nsyse4:
 
     cmp  eax,5 		     ; SYSTEM LANGUAGE
     jnz  nsyse5
     mov  [syslang],ebx
     ret
   nsyse5:
 
     cmp  eax,7 		     ; HD BASE
     jne  nsyse7
     test ebx,ebx
     jz   nosethd
     cmp  ebx,4
     ja   nosethd
     mov  [hd_base],bl
     cmp  ebx,1
     jnz  noprmahd
     mov  [hdbase],0x1f0
     mov  [hdid],0x0
     mov  [hdpos],1
;     call set_FAT32_variables
   noprmahd:
     cmp  ebx,2
     jnz  noprslhd
     mov  [hdbase],0x1f0
     mov  [hdid],0x10
     mov  [hdpos],2
;     call set_FAT32_variables
   noprslhd:
     cmp  ebx,3
     jnz  nosemahd
     mov  [hdbase],0x170
     mov  [hdid],0x0
     mov  [hdpos],3
;     call set_FAT32_variables
   nosemahd:
     cmp  ebx,4
     jnz  noseslhd
     mov  [hdbase],0x170
     mov  [hdid],0x10
     mov  [hdpos],4
;     call set_FAT32_variables
   noseslhd:
    call  reserve_hd1
    call  reserve_hd_channel
    call  free_hd_channel
    mov   [hd1_status],0	; free
   nosethd:
     ret
 
iglobal
hd_base db 0
endg
 
nsyse7:
 
     cmp  eax,8 		     ; HD PARTITION
     jne  nsyse8
     mov  [fat32part],ebx
;     call set_FAT32_variables
    call  reserve_hd1
    call  reserve_hd_channel
    call  free_hd_channel
     pusha
     call  choice_necessity_partition_1
     popa
    mov   [hd1_status],0	; free
     ret
 
nsyse8:
     cmp  eax,11		     ; ENABLE LBA READ
     jne  no_set_lba_read
     and  ebx,1
     mov  [lba_read_enabled],ebx
     ret
 
no_set_lba_read:
     cmp  eax,12                     ; ENABLE PCI ACCESS
     jne  no_set_pci_access
     and  ebx,1
     mov  [pci_access_enabled],ebx
     ret
   no_set_pci_access:
 
sys_setup_err:
     mov  [esp+36],dword -1
     ret
 
align 4
 
sys_getsetup:
 
; 1=roland mpu midi base , base io address
; 2=keyboard   1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
; 3=cd base    1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 5=system language, 1eng 2fi 3ger 4rus
; 7=hd base    1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 8=fat32 partition in hd
; 9=get hs timer tic
 
     cmp  eax,1
     jne  ngsyse1
     movzx eax,[midi_base]
     mov  [esp+36],eax
     ret
ngsyse1:
 
     cmp  eax,2
     jne  ngsyse2
     cmp  ebx,1
     jnz  kbnobaseret
     mov  edi,[TASK_BASE]
     add  ecx,[edi+TASKDATA.mem_start]
     mov  ebx,ecx
     mov  eax,keymap
     mov  ecx,128
     call memmove
     ret
kbnobaseret:
     cmp  ebx,2
     jnz  kbnoshiftret
     mov  edi,[TASK_BASE]
     add  ecx,[edi+TASKDATA.mem_start]
     mov  ebx,ecx
     mov  eax,keymap_shift
     mov  ecx,128
     call memmove
     ret
kbnoshiftret:
     cmp  ebx,3
     jne  kbnoaltret
     mov  edi,[TASK_BASE]
     add  ecx,[edi+TASKDATA.mem_start]
     mov  ebx,ecx
     mov  eax,keymap_alt
     mov  ecx,128
     call memmove
     ret
kbnoaltret:
     cmp  ebx,9
     jnz  ngsyse2
     movzx eax,word [keyboard]
     mov  [esp+36],eax
     ret
ngsyse2:
 
         cmp  eax,3
         jnz  ngsyse3
         movzx eax,[cd_base]
         mov  [esp+36],eax
         ret
ngsyse3:
         cmp  eax,5
         jnz  ngsyse5
         mov  eax,[syslang]
         mov  [esp+36],eax
         ret
ngsyse5:
     cmp  eax,7
     jnz  ngsyse7
     movzx eax,[hd_base]
     mov  [esp+36],eax
     ret
ngsyse7:
     cmp  eax,8
     jnz  ngsyse8
     mov eax,[fat32part]
     mov  [esp+36],eax
     ret
ngsyse8:
     cmp  eax,9
     jne  ngsyse9
     mov  eax,[timer_ticks] ;[0xfdf0]
     mov  [esp+36],eax
     ret
ngsyse9:
     cmp  eax,11
     jnz  ngsyse11
     mov eax,[lba_read_enabled]
     mov  [esp+36],eax
     ret
ngsyse11:
     cmp  eax,12
     jnz  ngsyse12
     mov eax,[pci_access_enabled]
     mov  [esp+36],eax
     ret
ngsyse12:
     mov  [esp+36],dword 1
     ret
 
get_timer_ticks:
    mov eax,[timer_ticks]
    ret
 
iglobal
align 4
mousefn dd msscreen, mswin, msbutton, msset
	dd app_load_cursor
	dd app_set_cursor
	dd app_delete_cursor
	dd msz
endg
 
readmousepos:
 
; eax=0 screen relative
; eax=1 window relative
; eax=2 buttons pressed
; eax=3 set mouse pos   ; reserved
; eax=4 load cursor
; eax=5 set cursor
; eax=6 delete cursor   ; reserved
; eax=7 get mouse_z
 
	   cmp eax, 7
	   ja msset
	   jmp [mousefn+eax*4]
msscreen:
       mov  eax, dword [MOUSE_X]
	   shl	eax,16
	   mov	ax,[MOUSE_Y]
	   mov	[esp+36],eax
	   ret
mswin:
       mov  eax, dword [MOUSE_X]
	   shl	eax,16
	   mov	ax,[MOUSE_Y]
	   mov	esi,[TASK_BASE]
	   mov	bx, word [esi-twdw+WDATA.box.left]
	   shl	ebx,16
	   mov	bx, word [esi-twdw+WDATA.box.top]
	   sub	eax,ebx
 
	   mov	edi,[CURRENT_TASK]
	   shl	edi,8
	   sub	ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
	   rol	eax,16
	   sub	ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
	   rol	eax,16
	   mov	[esp+36],eax
	   ret
msbutton:
       movzx eax,byte [btn_down]
	   mov	[esp+36],eax
	   ret
msz:
	   mov	 edi, [TASK_COUNT]
	   movzx edi, word [WIN_POS + edi*2]
	   cmp	 edi, [CURRENT_TASK]
	   jne	 @f
       mov   eax,[mouse_scroll_h]
	   shl	 eax,16
       mov   ax, word [mouse_scroll_v]
	   mov	 [esp+36],eax
       mov   [mouse_scroll_h], 0
       mov   [mouse_scroll_v], 0
	   ret
       @@:
	   mov	[esp+36],dword 0
	   ret
msset:
	   ret
 
app_load_cursor:
      ;     add ebx, new_app_base
	   cmp ebx, OS_BASE
	   jae msset
	   stdcall load_cursor, ebx, ecx
	   mov [esp+36], eax
	   ret
 
app_set_cursor:
	   stdcall set_cursor, ebx
	   mov [esp+36], eax
	   ret
 
app_delete_cursor:
	   stdcall delete_cursor, ebx
	   mov [esp+36], eax
	   ret
 
is_input:
 
   push edx
   mov	dx,word [midisp]
   in	al,dx
   and	al,0x80
   pop	edx
   ret
 
is_output:
 
   push edx
   mov	dx,word [midisp]
   in	al,dx
   and	al,0x40
   pop	edx
   ret
 
 
get_mpu_in:
 
   push edx
   mov	dx,word [mididp]
   in	al,dx
   pop	edx
   ret
 
 
put_mpu_out:
 
   push edx
   mov	dx,word [mididp]
   out	dx,al
   pop	edx
   ret
 
 
setuart:
 
 su1:
   call is_output
   cmp	al,0
   jnz	su1
   mov	dx,word [midisp]
   mov	al,0xff
   out	dx,al
 su2:
   mov	dx,word [midisp]
   mov	al,0xff
   out	dx,al
   call is_input
   cmp	al,0
   jnz	su2
   call get_mpu_in
   cmp	al,0xfe
   jnz	su2
 su3:
   call is_output
   cmp	al,0
   jnz	su3
   mov	dx,word [midisp]
   mov	al,0x3f
   out	dx,al
 
   ret
 
 
align 4
 
sys_midi:
 
     cmp  [mididp],0
     jnz  sm0
     mov  [esp+36],dword 1
     ret
   sm0:
 
     cmp  eax,1
     mov  [esp+36],dword 0
     jnz  smn1
     call setuart
     ret
   smn1:
 
     cmp  eax,2
     jnz  smn2
   sm10:
     call get_mpu_in
     call is_output
     test al,al
     jnz  sm10
     mov  al,bl
     call put_mpu_out
     ret
   smn2:
 
     ret
 
sys_end:
 
     mov   eax,[TASK_BASE]
     mov   [eax+TASKDATA.state], 3  ; terminate this program
 
    waitterm:		 ; wait here for termination
     mov   ebx,100
     call  delay_hs
     jmp   waitterm
 
iglobal
align 4
sys_system_table:
	dd	exit_for_anyone 	; 1 = obsolete
	dd	sysfn_terminate 	; 2 = terminate thread
	dd	sysfn_activate		; 3 = activate window
	dd	sysfn_getidletime	; 4 = get idle time
	dd	sysfn_getcpuclock	; 5 = get cpu clock
	dd	sysfn_saveramdisk	; 6 = save ramdisk
	dd	sysfn_getactive 	; 7 = get active window
	dd	sysfn_sound_flag	; 8 = get/set sound_flag
	dd	sysfn_shutdown		; 9 = shutdown with parameter
	dd	sysfn_minimize		; 10 = minimize window
	dd	sysfn_getdiskinfo	; 11 = get disk subsystem info
	dd	sysfn_lastkey		; 12 = get last pressed key
	dd	sysfn_getversion	; 13 = get kernel version
	dd	sysfn_waitretrace	; 14 = wait retrace
	dd	sysfn_centermouse	; 15 = center mouse cursor
	dd	sysfn_getfreemem	; 16 = get free memory size
	dd	sysfn_getallmem 	; 17 = get total memory size
	dd	sysfn_terminate2	; 18 = terminate thread using PID
					;                 instead of slot
	dd	sysfn_mouse_acceleration; 19 = set/get mouse acceleration
	dd	sysfn_meminfo		; 20 = get extended memory info
	dd	sysfn_pid_to_slot	; 21 = get slot number for pid
	dd	sysfn_min_rest_window	; 22 = minimize and restore any window
sysfn_num = ($ - sys_system_table)/4
endg
 
sys_system:
	dec	ebx
	cmp	ebx, sysfn_num
	jae	@f
	jmp	dword [sys_system_table + ebx*4]
@@:
	ret
 
 
sysfn_shutdown: 	 ; 18.9 = system shutdown
     cmp  ecx,1
     jl   exit_for_anyone
     cmp  ecx,4
     jg   exit_for_anyone
     mov  [OS_BASE+0x9030],cl
 
     mov  eax,[TASK_COUNT]
     mov  [sys_shutdown], eax
     mov  [shutdown_processes],eax
     and  dword [esp+32], 0
 exit_for_anyone:
     ret
  uglobal
   shutdown_processes: dd 0x0
  endg
 
sysfn_terminate:	; 18.2 = TERMINATE
     cmp  ecx,2
     jb   noprocessterminate
     mov  edx,[TASK_COUNT]
     cmp  ecx,edx
     ja   noprocessterminate
     mov  eax,[TASK_COUNT]
     shl  ecx,5
     mov  edx,[ecx+CURRENT_TASK+TASKDATA.pid]
     add  ecx,CURRENT_TASK+TASKDATA.state
     cmp  byte [ecx], 9
     jz   noprocessterminate
 
     ;call MEM_Heap_Lock      ;guarantee that process isn't working with heap
     mov  [ecx],byte 3	     ; clear possible i40's
     ;call MEM_Heap_UnLock
 
     cmp  edx,[application_table_status]    ; clear app table stat
     jne  noatsc
     mov  [application_table_status],0
   noatsc:
   noprocessterminate:
     ret
 
sysfn_terminate2:
;lock application_table_status mutex
.table_status:
    cli
    cmp    [application_table_status],0
    je	   .stf
    sti
    call   change_task
    jmp    .table_status
.stf:
    call   set_application_table_status
    mov    eax,ecx
    call   pid_to_slot
    test   eax,eax
    jz	   .not_found
    mov    ecx,eax
    pushfd
    cli
    call   sysfn_terminate
    mov    [application_table_status],0
    popfd
    and    dword [esp+32],0
    ret
.not_found:
    mov    [application_table_status],0
    or	   dword [esp+32],-1
    ret
 
sysfn_activate: 	; 18.3 = ACTIVATE WINDOW
     cmp  ecx,2
     jb   .nowindowactivate
     cmp  ecx,[TASK_COUNT]
     ja   .nowindowactivate
 
     mov   [window_minimize], 2   ; restore window if minimized
 
     movzx esi, word [WIN_STACK + ecx*2]
     cmp   esi, [TASK_COUNT]
     je    .nowindowactivate ; already active
 
     mov   edi, ecx
     shl   edi, 5
     add   edi, window_data
     movzx esi, word [WIN_STACK + ecx * 2]
     lea   esi, [WIN_POS + esi * 2]
     call  waredraw
.nowindowactivate:
     ret
 
sysfn_getidletime:		; 18.4 = GET IDLETIME
     mov  eax,[idleusesec]
     mov  [esp+32], eax
     ret
 
sysfn_getcpuclock:		; 18.5 = GET TSC/SEC
     mov  eax,[CPU_FREQ]
     mov  [esp+32], eax
     ret
 
;  SAVE ramdisk to /hd/1/menuet.img
;!!!!!!!!!!!!!!!!!!!!!!!!
   include 'blkdev/rdsave.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!
 
sysfn_getactive:	; 18.7 = get active window
     mov  eax, [TASK_COUNT]
   movzx  eax, word [WIN_POS + eax*2]
     mov  [esp+32],eax
     ret
 
sysfn_sound_flag:	; 18.8 = get/set sound_flag
     cmp  ecx,1
     jne  nogetsoundflag
     movzx  eax,byte [sound_flag] ; get sound_flag
     mov  [esp+32],eax
     ret
 nogetsoundflag:
     cmp  ecx,2
     jnz  nosoundflag
     xor  byte [sound_flag], 1
 nosoundflag:
     ret
 
sysfn_minimize: 	; 18.10 = minimize window
     mov   [window_minimize],1
     ret
 
sysfn_getdiskinfo:	; 18.11 = get disk info table
     cmp  ecx,1
     jnz  full_table
small_table:
     call for_all_tables
     mov ecx,10
     cld
     rep movsb
     ret
for_all_tables:
     mov edi,edx
     mov esi,DRIVE_DATA
     ret
full_table:
     cmp  ecx,2
     jnz  exit_for_anyone
     call for_all_tables
     mov ecx,16384
     cld
     rep movsd
     ret
 
sysfn_lastkey:		; 18.12 = return 0 (backward compatibility)
	and	dword [esp+32], 0
	ret
 
sysfn_getversion:	; 18.13 = get kernel ID and version
     mov edi,ebx
     mov esi,version_inf
     mov ecx,version_end-version_inf
     rep movsb
     ret
 
sysfn_waitretrace:     ; 18.14 = sys wait retrace
     ;wait retrace functions
 sys_wait_retrace:
     mov edx,0x3da
 WaitRetrace_loop:
     in al,dx
     test al,1000b
     jz WaitRetrace_loop
     and [esp+32],dword 0
     ret
 
sysfn_centermouse:	; 18.15 = mouse centered
     call  mouse_centered
     and [esp+32],dword 0
     ret
 
sysfn_mouse_acceleration: ; 18.19 = set/get mouse features
     cmp  ecx,0  ; get mouse speed factor
     jnz  .set_mouse_acceleration
     xor  eax,eax
     mov  ax,[mouse_speed_factor]
     mov  [esp+32],eax
     ret
 .set_mouse_acceleration:
     cmp  ecx,1  ; set mouse speed factor
     jnz  .get_mouse_delay
     mov  [mouse_speed_factor],dx
     ret
 .get_mouse_delay:
     cmp  ecx,2  ; get mouse delay
     jnz  .set_mouse_delay
     mov  eax,[mouse_delay]
     mov  [esp+32],eax
     ret
 .set_mouse_delay:
     cmp  ecx,3  ; set mouse delay
     jnz  .set_pointer_position
     mov  [mouse_delay],edx
     ret
 .set_pointer_position:
     cmp  ecx,4  ; set mouse pointer position
     jnz  .set_mouse_button
     mov   [MOUSE_Y],dx    ;y
     ror   edx,16
     mov   [MOUSE_X],dx    ;x
     rol   edx,16
     ret
 .set_mouse_button:
     cmp   ecx,5  ; set mouse button features
     jnz  .end
     mov  byte [btn_down],dl
     mov   [mouse_active],1
 .end:
     ret
 
sysfn_getfreemem:
     call _get_free_mem
     shl eax, 2
     mov [esp+32],eax
     ret
 
sysfn_getallmem:
     mov  eax,[_mem_amount]
     shr eax, 10
     mov  [esp+32],eax
     ret
 
; // Alver, 2007-22-08 // {
sysfn_pid_to_slot:
     mov   eax, ecx
     call  pid_to_slot
     mov   [esp+32], eax
     ret
 
sysfn_min_rest_window:
     pushad
     mov   eax, edx	 ; ebx - operating
     shr   ecx, 1
     jnc    @f
     call  pid_to_slot
@@:
     or    eax, eax	 ; eax - number of slot
     jz    .error
     cmp   eax, 255	    ; varify maximal slot number
     ja    .error
     movzx eax, word [WIN_STACK + eax*2]
     shr   ecx, 1
     jc    .restore
 ; .minimize:
     call  minimize_window
     jmp   .exit
.restore:
     call  restore_minimized_window
.exit:
     popad
     xor   eax, eax
     mov   [esp+32], eax
     ret
.error:
     popad
     xor   eax, eax
     dec   eax
     mov   [esp+32], eax
     ret
; } \\ Alver, 2007-22-08 \\
 
uglobal
;// mike.dld, 2006-29-01 [
screen_workarea RECT
;// mike.dld, 2006-29-01 ]
window_minimize db 0
sound_flag	db 0
endg
 
iglobal
version_inf:
  db 0,7,1,0  ; version 0.7.1.0
  db UID_KOLIBRI
  dd __REV__
version_end:
endg
 
UID_NONE=0
UID_MENUETOS=1	 ;official
UID_KOLIBRI=2	 ;russian
 
sys_cachetodiskette:
	cmp	ebx, 1
	jne	.no_floppy_a_save
	mov	[flp_number], 1
	jmp	.save_image_on_floppy
.no_floppy_a_save:
	cmp	ebx, 2
	jne	.no_floppy_b_save
	mov	[flp_number], 2
.save_image_on_floppy:
	call	save_image
	mov	[esp + 32], dword 0
	cmp	[FDC_Status], 0
	je	.yes_floppy_save
.no_floppy_b_save:
	mov	[esp + 32], dword 1
.yes_floppy_save:
	ret
 
uglobal
;  bgrchanged  dd  0x0
bgrlock db 0
bgrlockpid dd 0
endg
 
sys_background:
 
    cmp   ebx,1 			   ; BACKGROUND SIZE
    jnz   nosb1
    cmp   ecx,0
    je	  sbgrr
    cmp   edx,0
    je	  sbgrr
@@:
	mov	al, 1
	xchg	[bgrlock], al
	test	al, al
	jz	@f
	call	change_task
	jmp	@b
@@:
    mov   [BgrDataWidth],ecx
    mov   [BgrDataHeight],edx
;    mov   [bgrchanged],1
 
    pushad
; return memory for old background
 
    mov ecx, [img_background]
    call @mem_free@4
 
; calculate RAW size
    xor  eax,eax
    inc  eax
    cmp  [BgrDataWidth],eax
    jae   @f
    mov [BgrDataWidth],eax
@@:
    cmp  [BgrDataHeight],eax
    jae   @f
    mov [BgrDataHeight],eax
@@:
    mov  eax,[BgrDataWidth]
    imul eax,[BgrDataHeight]
    lea  ecx,[eax*3]
    mov  [mem_BACKGROUND],ecx
; get memory for new background
    mov edx, PG_SW
    stdcall @mem_alloc@8
    test eax, eax
    jz .exit_mem
    mov [img_background], eax
.exit_mem:
    popad
	mov	[bgrlock], 0
 
  sbgrr:
    ret
 
nosb1:
 
    cmp   ebx,2 			   ; SET PIXEL
    jnz   nosb2
 
    mov ebx, [mem_BACKGROUND]
    add ebx, 4095
    and ebx, -4096
    sub ebx, 4
    cmp   ecx, ebx
    ja   @F
 
    mov   eax,[img_background]
    mov   ebx,[eax+ecx]
    and   ebx,0xFF000000 ;255*256*256*256
    and   edx,0x00FFFFFF ;255*256*256+255*256+255
    add   edx,ebx
    mov   [eax+ecx],edx
@@:
    ret
 
nosb2:
 
    cmp   ebx,3 			   ; DRAW BACKGROUND
    jnz   nosb3
draw_background_temp:
;    cmp   [bgrchanged],1 ;0
;    je    nosb31
;draw_background_temp:
;    mov   [bgrchanged],1 ;0
    mov    [background_defined], 1
    call  force_redraw_background
    mov    [redraw_background], 2
   nosb31:
    ret
  nosb3:
 
    cmp   ebx,4 			   ; TILED / STRETCHED
    jnz   nosb4
    cmp   ecx,[BgrDrawMode]
    je	  nosb41
    mov   [BgrDrawMode],ecx
;    mov   [bgrchanged],1
   nosb41:
    ret
  nosb4:
 
    cmp   ebx,5 			   ; BLOCK MOVE TO BGR
    jnz   nosb5
  ; bughere
    mov   eax, ecx
    mov   ebx, edx
    add   ebx, [img_background]   ;IMG_BACKGROUND
    mov   ecx, esi
    call  memmove
  .fin:
    ret
  nosb5:
 
	cmp	ebx, 6
	jnz	nosb6
@@:
	mov	al, 1
	xchg	[bgrlock], al
	test	al, al
	jz	@f
	call	change_task
	jmp	@b
@@:
	mov	eax, [CURRENT_TASK]
	mov	[bgrlockpid], eax
	stdcall user_alloc, [mem_BACKGROUND]
	mov	[esp+32], eax
	test	eax, eax
	jz	.nomem
	mov	ebx, eax
	shr	ebx, 12
	or	dword [page_tabs+(ebx-1)*4], DONT_FREE_BLOCK
	mov	esi, [img_background]
	shr	esi, 12
	mov	ecx, [mem_BACKGROUND]
	add	ecx, 0xFFF
	shr	ecx, 12
.z:
	mov	eax, [page_tabs+esi*4]
	or	al, PG_UW
	mov	[page_tabs+ebx*4], eax
	mov	eax, ebx
	shl	eax, 12
	invlpg	[eax]
	inc	ebx
	inc	esi
	loop	.z
	ret
.nomem:
	and	[bgrlockpid], 0
	mov	[bgrlock], 0
nosb6:
	cmp	ebx, 7
	jnz	nosb7
	cmp	[bgrlock], 0
	jz	.err
	mov	eax, [CURRENT_TASK]
	cmp	[bgrlockpid], eax
	jnz	.err
	mov	eax, ecx
	mov	ebx, ecx
	shr	eax, 12
	mov	ecx, [page_tabs+(eax-1)*4]
	test	cl, USED_BLOCK+DONT_FREE_BLOCK
	jz	.err
	jnp	.err
	push	eax
	shr	ecx, 12
@@:
	and	dword [page_tabs+eax*4], 0
	mov	edx, eax
	shl	edx, 12
        push eax
	invlpg	[edx]
        pop eax
	inc	eax
	loop	@b
	pop	eax
	and	dword [page_tabs+(eax-1)*4], not DONT_FREE_BLOCK
	stdcall user_free, ebx
	mov	[esp+32], eax
	and	[bgrlockpid], 0
	mov	[bgrlock], 0
	ret
.err:
	and	dword [esp+32], 0
	ret
 
nosb7:
    ret
 
force_redraw_background:
    mov   [draw_data+32 + RECT.left],dword 0
    mov   [draw_data+32 + RECT.top],dword 0
    push  eax ebx
    mov   eax,[Screen_Max_X]
    mov   ebx,[Screen_Max_Y]
    mov   [draw_data+32 + RECT.right],eax
    mov   [draw_data+32 + RECT.bottom],ebx
    pop   ebx eax
    mov   [redraw_background], 1
    ret
 
align 4
 
sys_getbackground:
 
    cmp   eax,1 				 ; SIZE
    jnz   nogb1
    mov   eax,[BgrDataWidth]
    shl   eax,16
    mov   ax, word [BgrDataHeight]
    mov   [esp+36],eax
    ret
 
nogb1:
 
    cmp   eax,2 				 ; PIXEL
    jnz   nogb2
 
    mov ecx, [mem_BACKGROUND]
    add ecx, 4095
    and ecx, -4096
    sub ecx, 4
    cmp ebx, ecx
    ja  @F
 
    mov   eax,[img_background]
    mov   eax,[ebx+eax]
 
    and   eax, 0xFFFFFF
    mov   [esp+36],eax
@@:
    ret
 
  nogb2:
 
    cmp   eax,4 				 ; TILED / STRETCHED
    jnz   nogb4
    mov   eax,[BgrDrawMode]
  nogb4:
    mov   [esp+36],eax
    ret
 
 
align 4
 
sys_getkey:
	mov	[esp + 32],dword 1
	; test main buffer
	mov	ebx, [CURRENT_TASK]			     ; TOP OF WINDOW STACK
	movzx	ecx, word [WIN_STACK + ebx * 2]
	mov	edx, [TASK_COUNT]
	cmp	ecx, edx
	jne	.finish
    cmp [KEY_COUNT], 0
	je	.finish
	movzx	eax, byte [KEY_BUFF]
	shl	eax, 8
	push	eax
    dec [KEY_COUNT]
    and [KEY_COUNT], 127
    mov ecx, [KEY_COUNT]
	add	ecx, 2
	mov	eax, KEY_BUFF + 1
	mov	ebx, KEY_BUFF
	call	memmove
	pop	eax
.ret_eax:
	mov	[esp + 32], eax
	ret
.finish:
; test hotkeys buffer
	mov	ecx, hotkey_buffer
@@:
	cmp	[ecx], ebx
	jz	.found
	add	ecx, 8
	cmp	ecx, hotkey_buffer + 120 * 8
	jb	@b
	ret
.found:
	mov	ax, [ecx + 6]
	shl	eax, 16
	mov	ah, [ecx + 4]
	mov	al, 2
	and	dword [ecx + 4], 0
	and	dword [ecx], 0
	jmp	.ret_eax
 
align 4
 
sys_getbutton:
 
	mov	ebx, [CURRENT_TASK]			    ; TOP OF WINDOW STACK
	mov	[esp + 32], dword 1
	movzx	ecx, word [WIN_STACK + ebx * 2]
	mov	edx, [TASK_COUNT] ; less than 256 processes
	cmp	ecx, edx
	jne	.exit
    mov   eax, [BTN_COUNT]
    test  eax, eax
	jz	.exit
	mov	eax, [BTN_BUFF]
	shl	eax, 8
; // Alver 22.06.2008 // {
        mov       al, byte [btn_down_determ]
        and       al,0xFE                          ; delete left button bit
; } \\ Alver \\
    mov [BTN_COUNT], 0
	mov	[esp + 32], eax
.exit:
	ret
 
 
align 4
 
sys_cpuusage:
 
;  RETURN:
;
;  +00 dword     process cpu usage
;  +04  word     position in windowing stack
;  +06  word     windowing stack value at current position (cpu nro)
;  +10 12 bytes  name
;  +22 dword     start in mem
;  +26 dword     used mem
;  +30 dword     PID , process idenfification number
;
 
    cmp  ecx,-1 	; who am I ?
    jne  .no_who_am_i
    mov  ecx,[CURRENT_TASK]
  .no_who_am_i:
	cmp	ecx, max_processes
	ja	.nofillbuf
 
; +4: word: position of the window of thread in the window stack
	mov	ax, [WIN_STACK + ecx * 2]
	mov	[ebx+4], ax
; +6: word: number of the thread slot, which window has in the window stack
;           position ecx (has no relation to the specific thread)
	mov	ax, [WIN_POS + ecx * 2]
	mov	[ebx+6], ax
 
	shl	ecx, 5
 
; +0: dword: memory usage
	mov	eax, [ecx+CURRENT_TASK+TASKDATA.cpu_usage]
	mov	[ebx], eax
; +10: 11 bytes: name of the process
	push	ecx
	lea	eax, [ecx*8+SLOT_BASE+APPDATA.app_name]
	add	ebx, 10
	mov	ecx, 11
	call	memmove
	pop	ecx
 
; +22: address of the process in memory
; +26: size of used memory - 1
	push	edi
	lea	edi, [ebx+12]
	xor	eax, eax
	mov	edx, 0x100000*16
	cmp	ecx, 1 shl 5
	je	.os_mem
	mov	edx, [SLOT_BASE+ecx*8+APPDATA.mem_size]
        xor eax, eax
.os_mem:
	stosd
	lea	eax, [edx-1]
	stosd
 
; +30: PID/TID
	mov	eax, [ecx+CURRENT_TASK+TASKDATA.pid]
	stosd
 
    ; window position and size
	push	esi
	lea	esi, [ecx + window_data + WDATA.box]
	movsd
	movsd
	movsd
	movsd
 
    ; Process state (+50)
	mov	eax, dword [ecx+CURRENT_TASK+TASKDATA.state]
	stosd
 
    ; Window client area box
	lea	esi, [ecx*8 + SLOT_BASE + APPDATA.wnd_clientbox]
	movsd
	movsd
	movsd
	movsd
 
    ; Window state
	mov	al, [ecx+window_data+WDATA.fl_wstate]
	stosb
 
	pop	esi
	pop	edi
 
.nofillbuf:
    ; return number of processes
 
    mov    eax,[TASK_COUNT]
    mov    [esp+32],eax
    ret
 
align 4
sys_clock:
	cli
  ; Mikhail Lisovin  xx Jan 2005
  @@:	mov   al, 10
	out   0x70, al
	in    al, 0x71
	test  al, al
	jns   @f
	mov   esi, 1
	call  delay_ms
	jmp   @b
  @@:
  ; end Lisovin's fix
 
	xor   al,al	      ; seconds
	out   0x70,al
	in    al,0x71
	movzx ecx,al
	mov   al,02	      ; minutes
	shl   ecx,16
	out   0x70,al
	in    al,0x71
	movzx edx,al
	mov   al,04	      ; hours
	shl   edx,8
	out   0x70,al
	in    al,0x71
	add   ecx,edx
	movzx edx,al
	add   ecx,edx
	sti
	mov	[esp + 32], ecx
	ret
 
 
align 4
 
sys_date:
 
	cli
  @@:	mov   al, 10
	out   0x70, al
	in    al, 0x71
	test  al, al
	jns   @f
	mov   esi, 1
	call  delay_ms
	jmp   @b
  @@:
 
	mov	ch,0
	mov	al,7		; date
	out	0x70,al
	in	al,0x71
	mov	cl,al
	mov	al,8		; month
	shl	ecx,16
	out	0x70,al
	in	al,0x71
	mov	ch,al
	mov	al,9		; year
	out	0x70,al
	in	al,0x71
	mov	cl,al
	sti
	mov	[esp+32], ecx
	ret
 
 
; redraw status
 
sys_redrawstat:
	cmp	ebx, 1
	jne	no_widgets_away
	; buttons away
	mov	ecx,[CURRENT_TASK]
sys_newba2:
    mov edi,[btn_addr]
	cmp	[edi], dword 0	; empty button list ?
	je	end_of_buttons_away
	movzx	ebx, word [edi]
	inc	ebx
	mov	eax,edi
sys_newba:
	dec	ebx
	jz	end_of_buttons_away
 
	add	eax, 0x10
	cmp	cx, [eax]
	jnz	sys_newba
 
	push	eax ebx ecx
	mov	ecx,ebx
	inc	ecx
	shl	ecx, 4
	mov	ebx, eax
	add	eax, 0x10
	call	memmove
	dec	dword [edi]
	pop	ecx ebx eax
 
	jmp	sys_newba2
 
  end_of_buttons_away:
 
	ret
 
  no_widgets_away:
 
	cmp	ebx, 2
	jnz	srl1
 
	mov	edx, [TASK_BASE]      ; return whole screen draw area for this app
    sub edx, CURRENT_TASK
    mov [edx +draw_data + RECT.left], 0
    mov [edx +draw_data+ RECT.top], 0
	mov	eax, [Screen_Max_X]
    mov [edx +draw_data+ RECT.right], eax
	mov	eax, [Screen_Max_Y]
    mov [edx +draw_data+ RECT.bottom], eax
 
	mov	edi, [TASK_BASE]
	or	[edi - twdw + WDATA.fl_wdrawn], 1   ; no new position & buttons from app
	ret
 
  srl1:
	ret
 
 
sys_drawwindow:
 
    mov   eax,edx
    shr   eax,16+8
    and   eax,15
 
;    cmp   eax,0   ; type I    - original style
    jne   nosyswI
    inc   [mouse_pause]
    call  [disable_mouse]
    call  sys_set_window
    call  [disable_mouse]
    call  drawwindow_I
    ;dec   [mouse_pause]
    ;call   [draw_pointer]
    ;ret
    jmp   draw_window_caption.2
nosyswI:
 
    cmp   al,1	  ; type II   - only reserve area, no draw
    jne   nosyswII
    inc   [mouse_pause]
    call  [disable_mouse]
    call  sys_set_window
    call  [disable_mouse]
    dec   [mouse_pause]
    call   [draw_pointer]
    ret
  nosyswII:
 
    cmp   al,2	  ; type III  - new style
    jne   nosyswIII
    inc   [mouse_pause]
    call  [disable_mouse]
    call  sys_set_window
    call  [disable_mouse]
    call  drawwindow_III
    ;dec   [mouse_pause]
    ;call   [draw_pointer]
    ;ret
    jmp   draw_window_caption.2
  nosyswIII:
 
    cmp   al,3	  ; type IV - skinned window
    je	  draw_skin_window
    cmp   al,4	  ; type V - skinned window not sized! {not_sized_skin_window}
    jne   nosyswV
draw_skin_window:
 
    inc   [mouse_pause]
    call  [disable_mouse]
    call  sys_set_window
    call  [disable_mouse]
    mov   eax, [TASK_COUNT]
    movzx eax, word [WIN_POS + eax*2]
    cmp   eax, [CURRENT_TASK]
    setz  al
    movzx eax, al
    push  eax
    call  drawwindow_IV
    ;dec   [mouse_pause]
    ;call   [draw_pointer]
    ;ret
    jmp   draw_window_caption.2
  nosyswV:
 
    ret
 
 
draw_window_caption:
	inc	[mouse_pause]
	call	[disable_mouse]
 
	xor	eax,eax
	mov	edx,[TASK_COUNT]
	movzx	edx,word[WIN_POS+edx*2]
	cmp	edx,[CURRENT_TASK]
	jne	@f
	inc	eax
    @@: mov	edx,[CURRENT_TASK]
	shl	edx,5
	add	edx,window_data
	movzx	ebx,[edx+WDATA.fl_wstyle]
	and	bl,0x0F
	cmp	bl,3
	je	.draw_caption_style_3		;{for 3 and 4 style write caption}
	cmp	bl,4
	je	.draw_caption_style_3
 
	jmp	.not_style_3
  .draw_caption_style_3:
 
	push	edx
	call	drawwindow_IV_caption
	add	esp,4
	jmp	.2
 
  .not_style_3:
	cmp	bl,2
	jne	.not_style_2
 
	call	drawwindow_III_caption
	jmp	.2
 
  .not_style_2:
	cmp	bl,0
	jne	.2
 
	call	drawwindow_I_caption
 
;--------------------------------------------------------------
  .2:	;jmp     @f
	mov	edi,[CURRENT_TASK]
	shl	edi,5
	test	[edi+window_data+WDATA.fl_wstyle],WSTYLE_HASCAPTION
	jz	@f
	mov	edx,[edi*8+SLOT_BASE+APPDATA.wnd_caption]
	or	edx,edx
	jz	@f
 
	movzx	eax,[edi+window_data+WDATA.fl_wstyle]
	and	al,0x0F
	cmp	al,3
	je	.skinned
	cmp	al,4
	je	.skinned
 
	jmp	.not_skinned
  .skinned:
	mov	ebp,[edi+window_data+WDATA.box.left-2]
	mov	bp,word[edi+window_data+WDATA.box.top]
	movzx	eax,word[edi+window_data+WDATA.box.width]
	sub	ax,[_skinmargins.left]
	sub	ax,[_skinmargins.right]
	push	edx
	cwde
	cdq
	mov	ebx,6
	idiv	ebx
	pop	edx
	or	eax,eax
	js	@f
	mov	esi,eax
	mov	ebx,dword[_skinmargins.left-2]
	mov	bx,word[_skinh]
	sub	bx,[_skinmargins.bottom]
	sub	bx,[_skinmargins.top]
	sar	bx,1
	adc	bx,0
	add	bx,[_skinmargins.top]
	add	bx,-3
	add	ebx,ebp
	jmp	.dodraw
 
  .not_skinned:
	cmp	al,1
	je	@f
 
	mov	ebp,[edi+window_data+WDATA.box.left-2]
	mov	bp,word[edi+window_data+WDATA.box.top]
	movzx	eax,word[edi+window_data+WDATA.box.width]
	sub	eax,16
	push	edx
	cwde
	cdq
	mov	ebx,6
	idiv	ebx
	pop	edx
	or	eax,eax
	js	@f
	mov	esi,eax
	mov	ebx,0x00080007
	add	ebx,ebp
.dodraw:
	mov	ecx,[common_colours+16];0x00FFFFFF
	or	ecx, 0x80000000
	xor	edi,edi
; // Alver 22.06.2008 // {
;	call	dtext
        call dtext_asciiz_esi
; } \\ Alver \\
 
    @@:
;--------------------------------------------------------------
	dec	[mouse_pause]
	call	[draw_pointer]
	ret
 
iglobal
align 4
window_topleft dd \
  1, 21,\		;type 0
  0,  0,\	;type 1
  5, 20,\	;type 2
  5,  ?,\	;type 3 {set by skin}
  5,  ? 	;type 4 {set by skin}
endg
 
set_window_clientbox:
	push	eax ecx edi
 
	mov	eax,[_skinh]
	mov	[window_topleft+4*7],eax
	mov	[window_topleft+4*9],eax
 
	mov	ecx,edi
	sub	edi,window_data
	shl	edi,3
	test	[ecx+WDATA.fl_wstyle],WSTYLE_CLIENTRELATIVE
	jz	@f
 
	movzx	eax,[ecx+WDATA.fl_wstyle]
	and	eax,0x0F
	mov	eax,[eax*8+window_topleft+0]
	mov	[edi+SLOT_BASE+APPDATA.wnd_clientbox.left],eax
	shl	eax,1
	neg	eax
	add	eax,[ecx+WDATA.box.width]
	mov	[edi+SLOT_BASE+APPDATA.wnd_clientbox.width],eax
 
	movzx	eax,[ecx+WDATA.fl_wstyle]
	and	eax,0x0F
	push	[eax*8+window_topleft+0]
	mov	eax,[eax*8+window_topleft+4]
	mov	[edi+SLOT_BASE+APPDATA.wnd_clientbox.top],eax
	neg	eax
	sub	eax,[esp]
	add	eax,[ecx+WDATA.box.height]
	mov	[edi+SLOT_BASE+APPDATA.wnd_clientbox.height],eax
	add	esp,4
 
	pop	edi ecx eax
	ret
    @@:
	xor	eax,eax
	mov	[edi+SLOT_BASE+APPDATA.wnd_clientbox.left],eax
	mov	[edi+SLOT_BASE+APPDATA.wnd_clientbox.top],eax
	mov	eax,[ecx+WDATA.box.width]
	mov	[edi+SLOT_BASE+APPDATA.wnd_clientbox.width],eax
	mov	eax,[ecx+WDATA.box.height]
	mov	[edi+SLOT_BASE+APPDATA.wnd_clientbox.height],eax
 
	pop	edi ecx eax
	ret
 
sys_set_window:
 
    mov   eax,[CURRENT_TASK]
    shl   eax,5
    add   eax,window_data
 
    ; colors
    mov   [eax+WDATA.cl_workarea],edx
    mov   [eax+WDATA.cl_titlebar],esi
    mov   [eax+WDATA.cl_frames],edi
 
    mov   edi, eax
 
    ; check flag (?)
    test  [edi+WDATA.fl_wdrawn],1
    jnz   newd
 
    movsx eax,bx
    mov   [edi+WDATA.box.width],eax
    movsx eax,cx
    mov   [edi+WDATA.box.height],eax
    sar   ebx,16
    sar   ecx,16
    mov   [edi+WDATA.box.left],ebx
    mov   [edi+WDATA.box.top],ecx
 
    call  check_window_position
 
    call  set_window_clientbox
 
    push  ecx esi edi		    ; save for window fullscreen/resize
    ;mov   esi,edi
 
	mov	cl, [edi+WDATA.fl_wstyle]
	mov	eax, [edi+WDATA.cl_frames]
 
    sub   edi,window_data
    shl   edi,3
    add   edi,SLOT_BASE
 
	and	cl,0x0F
	mov	[edi+APPDATA.wnd_caption],0
	cmp	cl,3
	je	set_APPDATA_wnd_caption
	cmp	cl,4								; {SPraid.simba}
	je	set_APPDATA_wnd_caption
 
	jmp	@f
set_APPDATA_wnd_caption:
	mov	[edi+APPDATA.wnd_caption],eax
    @@: mov	esi,[esp+0]
 
    add   edi, APPDATA.saved_box
	movsd
	movsd
	movsd
	movsd
    pop   edi esi ecx
 
	mov	esi, [CURRENT_TASK]
	movzx	esi, word [WIN_STACK+esi*2]
	lea	esi, [WIN_POS+esi*2]
	call	waredraw
 
;;;    mov   ebx, 1
;;;    call  delay_hs
    mov   eax, [edi+WDATA.box.left]
    mov   ebx, [edi+WDATA.box.top]
    mov   ecx, [edi+WDATA.box.width]
    mov   edx, [edi+WDATA.box.height]
    add   ecx, eax
    add   edx, ebx
    call  calculatescreen
 
    mov   [KEY_COUNT], 0           ; empty keyboard buffer
    mov   [BTN_COUNT], 0           ; empty button buffer
 
newd:
    mov   [edi+WDATA.fl_redraw],byte 0	 ; no redraw
    mov   edx,edi
 
    ret
 
syscall_windowsettings:
 
  .set_window_caption:
	dec	eax	; subfunction #1 - set window caption
	jnz	.get_window_caption
 
	; NOTE: only window owner thread can set its caption,
	;       so there's no parameter for PID/TID
 
	mov	edi,[CURRENT_TASK]
	shl	edi,5
 
	; have to check if caption is within application memory limit
	; check is trivial, and if application resizes its memory,
	;   caption still can become over bounds
; diamond, 31.10.2006: check removed because with new memory manager
; there can be valid data after APPDATA.mem_size bound
;        mov     ecx,[edi*8+SLOT_BASE+APPDATA.mem_size]
;        add     ecx,255 ; max caption length
;        cmp     ebx,ecx
;        ja      .exit_fail
 
	mov	[edi*8+SLOT_BASE+APPDATA.wnd_caption],ebx
	or	[edi+window_data+WDATA.fl_wstyle],WSTYLE_HASCAPTION
 
	call	draw_window_caption
 
	xor	eax,eax ; eax = 0 (success)
	ret
 
  .get_window_caption:
	dec	eax	; subfunction #2 - get window caption
	jnz	.exit_fail
 
	; not implemented yet
 
  .exit_fail:
	xor	eax,eax
	inc	eax	; eax = 1 (fail)
	ret
 
 
sys_window_move:
 
	mov	edi,[CURRENT_TASK]
	shl	edi,5
	add	edi,window_data
 
	test	[edi+WDATA.fl_wstate],WSTATE_MAXIMIZED
	jnz	.window_move_return
 
	push	dword [edi + WDATA.box.left]  ; save old coordinates
	push	dword [edi + WDATA.box.top]
	push	dword [edi + WDATA.box.width]
	push	dword [edi + WDATA.box.height]
 
	cmp   eax,-1		      ; set new position and size
	je    .no_x_reposition
	mov	[edi + WDATA.box.left], eax
      .no_x_reposition:
	cmp   ebx,-1
	je    .no_y_reposition
	mov	[edi + WDATA.box.top], ebx
      .no_y_reposition:
 
	test	[edi+WDATA.fl_wstate],WSTATE_ROLLEDUP
	jnz	.no_y_resizing
 
	cmp   ecx,-1
	je    .no_x_resizing
	mov	[edi + WDATA.box.width], ecx
      .no_x_resizing:
	cmp   edx,-1
	je    .no_y_resizing
	mov	[edi + WDATA.box.height], edx
      .no_y_resizing:
 
	call  check_window_position
	call  set_window_clientbox
 
	pushad			     ; save for window fullscreen/resize
	mov   esi,edi
	sub   edi,window_data
	shr   edi,5
	shl   edi,8
	add   edi, SLOT_BASE + APPDATA.saved_box
	mov   ecx,4
	cld
	rep   movsd
	popad
 
	pushad			     ; calculcate screen at new position
	mov   eax, [edi + WDATA.box.left]
	mov   ebx, [edi + WDATA.box.top]
	mov   ecx, [edi + WDATA.box.width]
	mov   edx, [edi + WDATA.box.height]
	add   ecx,eax
	add   edx,ebx
 
	call  calculatescreen
	popad
 
	pop   edx		    ; calculcate screen at old position
	pop   ecx
	pop   ebx
	pop   eax
	add   ecx,eax
	add   edx,ebx
	mov   [dlx],eax 	    ; save for drawlimits
	mov   [dly],ebx
	mov   [dlxe],ecx
	mov   [dlye],edx
	call  calculatescreen
 
	mov   [edi + WDATA.fl_redraw], 1 ; flag the process as redraw
 
	mov   eax,edi		    ; redraw screen at old position
	xor   esi,esi
	call  redrawscreen
 
	call  [draw_pointer]
 
	mov   [window_move_pr],0
 
.window_move_return:
 
	ret
 
uglobal
  window_move_pr   dd  0x0
  window_move_eax  dd  0x0
  window_move_ebx  dd  0x0
  window_move_ecx  dd  0x0
  window_move_edx  dd  0x0
endg
 
;ok - 100% work
;nt - not tested
;---------------------------------------------------------------------------------------------
;eax
;0 - task switch counter. Ret switch counter in eax. Block. ok.
;1 - change task. Ret nothing. Block. ok.
;2 - performance control
; ebx
; 0 - enable or disable (inversion) PCE flag on CR4 for rdmpc in user mode.
; returned new cr4 in eax. Ret cr4 in eax. Block. ok.
; 1 - is cache enabled. Ret cr0 in eax if enabled else zero in eax. Block. ok.
; 2 - enable cache. Ret 1 in eax. Ret nothing. Block. ok.
; 3 - disable cache. Ret 0 in eax. Ret nothing. Block. ok.
;eax
;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
;---------------------------------------------------------------------------------------------
sys_sheduler: ;noname & halyavin
    cmp eax,0
    je shed_counter
    cmp eax,2
    je perf_control
    cmp eax,3
    je rdmsr_instr
    cmp eax,4
    je wrmsr_instr
    cmp eax,1
    jne not_supported
    call change_task ;delay,0
ret
shed_counter:
    mov eax,[context_counter]
    mov [esp+36],eax
not_supported:
ret
perf_control:
    inc eax ;now eax=3
    cmp ebx,eax
    je cache_disable
    dec eax
    cmp ebx,eax
    je cache_enable
    dec eax
    cmp ebx,eax
    je is_cache_enabled
    dec eax
    cmp ebx,eax
    je modify_pce
ret
 
rdmsr_instr:
;now counter in ecx
;(edx:eax) esi:edi => edx:esi
mov eax,esi
rdmsr
mov [esp+36],eax
mov [esp+24],edx ;ret in ebx?
ret
 
wrmsr_instr:
;now counter in ecx
;(edx:eax) esi:edi => edx:esi
	; Fast Call MSR can't be destroy
	; Íî MSR_AMD_EFER ìîæíî èçìåíÿòü, ò.ê. â ýòîì ðåãèñòðå ëèø
	; âêëþ÷àþòñÿ/âûêëþ÷àþòñÿ ðàñøèðåííûå âîçìîæíîñòè
	cmp	ecx, MSR_SYSENTER_CS
	je	@f
	cmp	ecx, MSR_SYSENTER_ESP
	je	@f
	cmp	ecx, MSR_SYSENTER_EIP
	je	@f
	cmp	ecx, MSR_AMD_STAR
	je	@f
 
	mov	eax, esi
	wrmsr
	; mov   [esp + 36], eax
	; mov   [esp + 24], edx ;ret in ebx?
@@:
ret
 
cache_disable:
       mov eax,cr0
       or  eax,01100000000000000000000000000000b
       mov cr0,eax
       wbinvd ;set MESI
ret
 
cache_enable:
       mov eax,cr0
       and eax,10011111111111111111111111111111b
       mov cr0,eax
ret
 
is_cache_enabled:
       mov eax,cr0
       mov ebx,eax
       and eax,01100000000000000000000000000000b
       jz cache_disabled
       mov [esp+36],ebx
cache_disabled:
       mov dword [esp+36],eax ;0
ret
 
modify_pce:
       mov eax,cr4
;       mov ebx,0
;       or  bx,100000000b ;pce
;       xor eax,ebx ;invert pce
       bts eax,8 ;pce=cr4[8]
       mov cr4,eax
       mov [esp+36],eax
ret
;---------------------------------------------------------------------------------------------
 
 
; check if pixel is allowed to be drawn
 
checkpixel:
	push eax edx
 
	mov  edx,[Screen_Max_X]     ; screen x size
        mov  ecx, [_display_data]
 
        inc  edx
	imul edx, ebx
 
        add edx, ecx
        mov  dl, [eax+edx] ; lea eax, [...]
 
	xor  ecx, ecx
	mov  eax, [CURRENT_TASK]
	cmp  al, dl
	setne cl
 
	pop  edx eax
	ret
 
iglobal
  cpustring db '/sys/CPU',0
endg
 
uglobal
background_defined    db    0	 ; diamond, 11.04.2006
endg
 
align 4
; check misc
 
checkmisc:
 
        cmp   [ctrl_alt_del], 1
        jne   nocpustart
 
        push 0
        push 0
        push cpustring
        call _sys_exec
        add esp, 12
 
        mov   [ctrl_alt_del], 0
 
nocpustart:
    cmp   [mouse_active], 1
    jne   mouse_not_active
    mov   [mouse_active], 0
    xor   edi, edi
    mov   ecx,	[TASK_COUNT]
set_mouse_event:
    add   edi, 256
    or	  [edi+SLOT_BASE+APPDATA.event_mask], dword 100000b
    loop  set_mouse_event
 
mouse_not_active:
    cmp   [redraw_background], 0           ; background update ?
    jz	  nobackgr
    cmp    [background_defined], 0
    jz	  nobackgr
    cmp   [redraw_background], 2
    jnz   no_set_bgr_event
    xor   edi, edi
    mov   ecx,	[TASK_COUNT]
set_bgr_event:
    add   edi, 256
    or	  [edi+SLOT_BASE+APPDATA.event_mask], 16
    loop  set_bgr_event
no_set_bgr_event:
;    mov   [draw_data+32 + RECT.left],dword 0
;    mov   [draw_data+32 + RECT.top],dword 0
;    mov   eax,[Screen_Max_X]
;    mov   ebx,[Screen_Max_Y]
;    mov   [draw_data+32 + RECT.right],eax
;    mov   [draw_data+32 + RECT.bottom],ebx
    call  drawbackground
    mov   [redraw_background], 0
    mov   [redraw_background], 0
 
nobackgr:
 
    ; system shutdown request
 
    cmp  [sys_shutdown], 0
    je	 noshutdown
 
    mov  edx,[shutdown_processes]
 
    cmp  [sys_shutdown], edx
    jne  no_mark_system_shutdown
 
    lea   ecx,[edx-1]
    mov   edx,OS_BASE+0x3040
    jecxz @f
markz:
    mov   [edx+TASKDATA.state],byte 3
    add   edx,0x20
    loop  markz
@@:
 
  no_mark_system_shutdown:
 
    call [disable_mouse]
 
    dec  [sys_shutdown]
    je	 system_shutdown
 
noshutdown:
 
 
    mov   eax,[TASK_COUNT]		    ; termination
    mov   ebx,TASK_DATA+TASKDATA.state
    mov   esi,1
 
newct:
    mov   cl,[ebx]
    cmp   cl,byte 3
    jz	  terminate
    cmp   cl,byte 4
    jz	  terminate
 
    add   ebx,0x20
    inc   esi
    dec   eax
    jnz   newct
    ret
 
; redraw screen
 
redrawscreen:
 
; eax , if process window_data base is eax, do not set flag/limits
 
	 pushad
	 push  eax
 
;;;         mov   ebx,2
;;;         call  delay_hs
 
	 ;mov   ecx,0               ; redraw flags for apps
	 xor   ecx,ecx
newdw2:
 
	 inc   ecx
	 push  ecx
 
	 mov   eax,ecx
	 shl   eax,5
     add   eax, window_data
 
     cmp   eax, [esp+4]
	 je    not_this_task
				   ; check if window in redraw area
	 mov   edi,eax
 
	 cmp   ecx,1		   ; limit for background
	 jz    bgli
 
	 mov   eax, [edi + WDATA.box.left]
	 mov   ebx, [edi + WDATA.box.top]
	 mov   ecx, [edi + WDATA.box.width]
	 mov   edx, [edi + WDATA.box.height]
	 add   ecx,eax
	 add   edx,ebx
 
	 mov   ecx,[dlye]   ; ecx = area y end     ebx = window y start
	 cmp   ecx,ebx
	 jb    ricino
 
	 mov   ecx,[dlxe]   ; ecx = area x end     eax = window x start
	 cmp   ecx,eax
	 jb    ricino
 
	 mov   eax, [edi + WDATA.box.left]
	 mov   ebx, [edi + WDATA.box.top]
	 mov   ecx, [edi + WDATA.box.width]
	 mov   edx, [edi + WDATA.box.height]
	 add   ecx, eax
	 add   edx, ebx
 
	 mov   eax,[dly]    ; eax = area y start     edx = window y end
	 cmp   edx,eax
	 jb    ricino
 
	 mov   eax,[dlx]    ; eax = area x start     ecx = window x end
	 cmp   ecx,eax
	 jb    ricino
 
bgli:
 
	 cmp   ecx,1
     jnz   .az
     mov   al, byte [redraw_background]
	 cmp   al,2
	 jz    newdw8
	 test  al,al
	 jz    .az
     lea   eax,[edi+draw_data-window_data]
	 mov   ebx,[dlx]
	 cmp   ebx,[eax+RECT.left]
	 jae   @f
	 mov   [eax+RECT.left],ebx
@@:
	 mov   ebx,[dly]
	 cmp   ebx,[eax+RECT.top]
	 jae   @f
	 mov   [eax+RECT.top],ebx
@@:
	 mov   ebx,[dlxe]
	 cmp   ebx,[eax+RECT.right]
	 jbe   @f
	 mov   [eax+RECT.right],ebx
@@:
	 mov   ebx,[dlye]
	 cmp   ebx,[eax+RECT.bottom]
	 jbe   @f
	 mov   [eax+RECT.bottom],ebx
@@:
	 jmp   newdw8
.az:
 
	 mov   eax,edi
     add   eax, draw_data-window_data
 
	 mov   ebx,[dlx]	  ; set limits
	 mov   [eax + RECT.left], ebx
	 mov   ebx,[dly]
	 mov   [eax + RECT.top], ebx
	 mov   ebx,[dlxe]
	 mov   [eax + RECT.right], ebx
	 mov   ebx,[dlye]
	 mov   [eax + RECT.bottom], ebx
 
     sub   eax,draw_data - window_data
 
	 cmp   dword [esp],1
	 jne   nobgrd
     mov   [redraw_background], 1
 
newdw8:
nobgrd:
 
	 mov   [eax + WDATA.fl_redraw],byte 1	 ; mark as redraw
 
ricino:
 
not_this_task:
 
	 pop   ecx
 
	 cmp   ecx,[TASK_COUNT]
	 jle   newdw2
 
	 pop  eax
	 popad
 
	 ret
 
calculatebackground:   ; background
 
	; all black
 
	mov   edi, [img_background]  ;IMG_BACKGROUND                 ; set background to black
	xor   eax, eax
	mov   ecx, 1023    ;0x0fff00 / 4
	cld
	rep   stosd
 
        mov   edi, [_display_data]              ; set os to use all pixels
	mov   eax,0x01010101
	mov   ecx,1280*1024 / 4
	rep   stosd
 
    mov   [redraw_background], 0          ; do not draw background!
 
	ret
 
uglobal
  imax	  dd 0x0
endg
 
 
 
delay_ms:     ; delay in 1/1000 sec
 
 
	push  eax
	push  ecx
 
	mov   ecx,esi
	; 
	imul  ecx, 33941
	shr   ecx, 9
	; 
 
	in    al,0x61
	and   al,0x10
	mov   ah,al
	cld
 
 cnt1:	in    al,0x61
	and   al,0x10
	cmp   al,ah
	jz    cnt1
 
	mov   ah,al
	loop  cnt1
 
	pop   ecx
	pop   eax
 
	ret
 
 
set_app_param:
	mov	edi, [TASK_BASE]
	mov	[edi + TASKDATA.event_mask], ebx
	ret
 
 
 
delay_hs:     ; delay in 1/100 secs
; ebx = delay time
	push  ecx
	push  edx
 
	mov   edx,[timer_ticks]
 
      newtic:
	mov   ecx,[timer_ticks]
	sub   ecx,edx
	cmp   ecx,ebx
	jae   zerodelay
 
	call  change_task
 
	jmp   newtic
 
      zerodelay:
	pop   edx
	pop   ecx
 
	ret
 
 
memmove:       ; memory move in bytes
 
; eax = from
; ebx = to
; ecx = no of bytes
    test ecx, ecx
    jle  .ret
 
 
    push esi edi ecx
 
    mov  edi, ebx
    mov  esi, eax
 
    test ecx, not 11b
    jz	 @f
 
    push ecx
    shr  ecx, 2
    rep  movsd
    pop  ecx
    and  ecx, 11b
    jz	 .finish
  @@:
    rep  movsb
 
  .finish:
    pop  ecx edi esi
  .ret:
    ret
 
 
;  Sysfunction 34, read_floppy_file, is obsolete. Use 58 or 70 function instead.
;align 4
;
;read_floppy_file:
;
;; as input
;;
;; eax pointer to file
;; ebx file lenght
;; ecx start 512 byte block number
;; edx number of blocks to read
;; esi pointer to return/work area (atleast 20 000 bytes)
;;
;;
;; on return
;;
;; eax = 0 command succesful
;;       1 no fd base and/or partition defined
;;       2 yet unsupported FS
;;       3 unknown FS
;;       4 partition not defined at hd
;;       5 file not found
;; ebx = size of file
;
;     mov   edi,[TASK_BASE]
;     add   edi,0x10
;     add   esi,[edi]
;     add   eax,[edi]
;
;     pushad
;     mov  edi,esi
;     add  edi,1024
;     mov  esi,0x100000+19*512
;     sub  ecx,1
;     shl  ecx,9
;     add  esi,ecx
;     shl  edx,9
;     mov  ecx,edx
;     cld
;     rep  movsb
;     popad
;
;     mov   [esp+36],eax
;     mov   [esp+24],ebx
;     ret
 
 
 
align 4
 
sys_programirq:
 
    mov   eax, [TASK_BASE]
    add   ebx, [eax + TASKDATA.mem_start]
 
    cmp   ecx, 16
    jae   .not_owner
    mov   edi, [eax + TASKDATA.pid]
    cmp   edi, [irq_owner + 4 * ecx]
    je	  .spril1
.not_owner:
    xor   ecx, ecx
    jmp   .end
  .spril1:
 
    shl   ecx, 6
    mov   esi, ebx
    lea   edi, [irq00read + ecx]
    push  16
    pop   ecx
 
    cld
    rep   movsd
  .end:
    mov   [esp+32], ecx
    ret
 
 
align 4
 
get_irq_data:
     movzx esi, bh			 ; save number of subfunction, if bh = 1, return data size, otherwise, read data
     xor   bh, bh
     cmp   ebx, 16
     jae   .not_owner
     mov   edx, [4 * ebx + irq_owner]	 ; check for irq owner
 
     mov   eax,[TASK_BASE]
 
     cmp   edx,[eax+TASKDATA.pid]
     je    gidril1
.not_owner:
     xor   edx, edx
     dec   edx
     jmp   gid1
 
gidril1:
 
     shl   ebx, 12
     lea   eax, [ebx + IRQ_SAVE]	 ; calculate address of the beginning of buffer + 0x0 - data size
     mov   edx, [eax]			 ;                                              + 0x4 - data offset
     dec   esi
     jz    gid1
     test  edx, edx			 ; check if buffer is empty
     jz    gid1
 
     mov   ebx, [eax + 0x4]
     mov   edi, ecx
 
     mov   ecx, 4000			 ; buffer size, used frequently
 
     cmp   ebx, ecx			 ; check for the end of buffer, if end of buffer, begin cycle again
     jb    @f
 
     xor   ebx, ebx
 
   @@:
 
     lea   esi, [ebx + edx]		 ; calculate data size and offset
     cld
     cmp   esi, ecx			 ; if greater than the buffer size, begin cycle again
     jbe   @f
 
     sub   ecx, ebx
     sub   edx, ecx
 
     lea   esi, [eax + ebx + 0x10]
     rep   movsb
 
     xor   ebx, ebx
   @@:
     lea   esi, [eax + ebx + 0x10]
     mov   ecx, edx
     add   ebx, edx
 
     rep   movsb
     mov   edx, [eax]
     mov   [eax], ecx			 ; set data size to zero
     mov   [eax + 0x4], ebx		 ; set data offset
 
   gid1:
     mov   [esp+32], edx		 ; eax
     ret
 
 
set_io_access_rights:
 
     pushad
 
     mov edi, tss._io_map_0
 
;     mov   ecx,eax
;     and   ecx,7    ; offset in byte
 
;     shr   eax,3    ; number of byte
;     add   edi,eax
 
;     mov   ebx,1
;     shl   ebx,cl
 
     cmp   ebp,0		; enable access - ebp = 0
     jne   siar1
 
;     not   ebx
;     and   [edi],byte bl
     btr [edi], eax
 
     popad
 
     ret
 
siar1:
 
     bts [edi], eax
  ;  or    [edi],byte bl        ; disable access - ebp = 1
 
     popad
 
     ret
 
r_f_port_area:
 
     test  eax, eax
     jnz   free_port_area
;     je    r_port_area
;     jmp   free_port_area
 
;   r_port_area:
 
     pushad
 
     cmp   ebx,ecx	      ; beginning > end ?
     ja    rpal1
     cmp   ecx,65536
     jae   rpal1
     mov   esi,[RESERVED_PORTS]
     test  esi,esi	      ; no reserved areas ?
     je    rpal2
     cmp   esi,255	      ; max reserved
     jae   rpal1
 rpal3:
     mov   edi,esi
     shl   edi,4
     add   edi,RESERVED_PORTS
     cmp   ebx,[edi+8]
     ja    rpal4
     cmp   ecx,[edi+4]
     jae   rpal1
;     jb    rpal4
;     jmp   rpal1
 rpal4:
 
     dec   esi
     jnz   rpal3
     jmp   rpal2
   rpal1:
     popad
     mov   eax,1
     ret
 
   rpal2:
     popad
 
 
     ; enable port access at port IO map
     cli
     pushad			   ; start enable io map
 
     cmp   ecx,65536 ;16384
     jae   no_unmask_io ; jge
 
     mov   eax,ebx
 
   new_port_access:
 
     pushad
 
     xor   ebp,ebp		  ; enable - eax = port
     call  set_io_access_rights
 
     popad
 
     inc   eax
     cmp   eax,ecx
     jbe   new_port_access
 
   no_unmask_io:
 
     popad			   ; end enable io map
     sti
 
     mov   edi,[RESERVED_PORTS]
     add   edi,1
     mov   [RESERVED_PORTS],edi
     shl   edi,4
     add   edi,RESERVED_PORTS
     mov   esi,[TASK_BASE]
     mov   esi,[esi+TASKDATA.pid]
     mov   [edi],esi
     mov   [edi+4],ebx
     mov   [edi+8],ecx
 
     xor   eax, eax
     ret
 
free_port_area:
 
     pushad
 
     mov   esi,[RESERVED_PORTS]     ; no reserved areas ?
     test  esi,esi
     je    frpal2
     mov   edx,[TASK_BASE]
     mov   edx,[edx+TASKDATA.pid]
   frpal3:
     mov   edi,esi
     shl   edi,4
     add   edi,RESERVED_PORTS
     cmp   edx,[edi]
     jne   frpal4
     cmp   ebx,[edi+4]
     jne   frpal4
     cmp   ecx,[edi+8]
     jne   frpal4
     jmp   frpal1
   frpal4:
     dec   esi
     jnz   frpal3
   frpal2:
     popad
     mov   eax,1
     ret
   frpal1:
     mov   ecx,256
     sub   ecx,esi
     shl   ecx,4
     mov   esi,edi
     add   esi,16
     cld
     rep   movsb
 
     dec   dword [RESERVED_PORTS]
 
     popad
 
 
     ; disable port access at port IO map
 
     pushad			   ; start disable io map
 
     cmp   ecx,65536 ;16384
     jge   no_mask_io
 
     mov   eax,ebx
 
   new_port_access_disable:
 
     pushad
 
     mov   ebp,1		  ; disable - eax = port
     call  set_io_access_rights
 
     popad
 
     inc   eax
     cmp   eax,ecx
     jbe   new_port_access_disable
 
   no_mask_io:
 
     popad			   ; end disable io map
 
     xor   eax, eax
     ret
 
 
reserve_free_irq:
 
     xor   esi, esi
     inc   esi
     cmp   ecx, 16
     jae   ril1
 
     push  ecx
     lea   ecx, [irq_owner + 4 * ecx]
     mov   edx, [ecx]
     mov   eax, [TASK_BASE]
     mov   edi, [eax + TASKDATA.pid]
     pop   eax
     dec   ebx
     jnz   reserve_irq
 
     cmp   edx, edi
     jne   ril1
     dec   esi
     mov   [ecx], esi
 
     jmp   ril1
 
  reserve_irq:
 
     cmp   dword [ecx], 0
     jne   ril1
 
     mov   ebx, [f_irqs + 4 * eax]
 
     stdcall attach_int_handler, eax, ebx, dword 0
 
     mov   [ecx], edi
 
     dec   esi
   ril1:
     mov   [esp+32], esi ; return in eax
     ret
 
iglobal
f_irqs:
     dd 0x0
     dd 0x0
     dd p_irq2
     dd p_irq3
     dd p_irq4
     dd p_irq5
     dd p_irq6
     dd p_irq7
     dd p_irq8
     dd p_irq9
     dd p_irq10
     dd p_irq11
     dd 0x0
     dd 0x0
     dd p_irq14
     dd p_irq15
 
endg
 
drawbackground:
       inc   [mouse_pause]
       cmp   [scr_mode], 0x12
       je   dbrv20
     dbrv12:
       cmp  [scr_mode], 0100000000000000b
       jge  dbrv20
       cmp  [scr_mode], 0x13
       je   dbrv20
       call  vesa12_drawbackground
       dec   [mouse_pause]
       call   [draw_pointer]
       ret
     dbrv20:
       cmp   [BgrDrawMode],dword 1
       jne   bgrstr
       call  vesa20_drawbackground_tiled
       dec   [mouse_pause]
       call   [draw_pointer]
       ret
     bgrstr:
       call  vesa20_drawbackground_stretch
       dec   [mouse_pause]
       call   [draw_pointer]
       ret
 
align 4
 
syscall_putimage:			; PutImage
sys_putimage:
     test  ecx,0x80008000
     jnz   .exit
     test  ecx,0x0000FFFF
     jz    .exit
     test  ecx,0xFFFF0000
     jnz   @f
.exit:
     ret
@@:
	mov	edi,[current_slot]
	add	dx,word[edi+APPDATA.wnd_clientbox.top]
	rol	edx,16
	add	dx,word[edi+APPDATA.wnd_clientbox.left]
	rol	edx,16
.forced:
	push	ebp esi 0
	mov	ebp, putimage_get24bpp
	mov	esi, putimage_init24bpp
sys_putimage_bpp:
;        call    [disable_mouse] ; this will be done in xxx_putimage
;        mov     eax, vga_putimage
    cmp [scr_mode], 0x12
	jz	@f   ;.doit
	mov	eax, vesa12_putimage
    cmp [scr_mode], 0100000000000000b
	jae	@f
    cmp [scr_mode], 0x13
	jnz	.doit
@@:
	mov	eax, vesa20_putimage
.doit:
	inc	[mouse_pause]
	call	eax
	dec	[mouse_pause]
	pop	ebp esi ebp
	jmp	[draw_pointer]
 
syscall_putimage_palette:
	mov	edi, esi
	mov	esi, edx
	mov	edx, ecx
	mov	ecx, ebx
	mov	ebx, eax
sys_putimage_palette:
; ebx = pointer to image
; ecx = [xsize]*65536 + [ysize]
; edx = [xstart]*65536 + [ystart]
; esi = number of bits per pixel, must be 8, 24 or 32
; edi = pointer to palette
; ebp = row delta
	mov	eax, [CURRENT_TASK]
	shl	eax, 8
	add	dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top]
	rol	edx, 16
	add	dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left]
	rol	edx, 16
.forced:
	cmp	esi, 1
	jnz	@f
	push	edi
	mov	eax, [edi+4]
	sub	eax, [edi]
	push	eax
	push	dword [edi]
	push	0ffffff80h
	mov	edi, esp
	call	put_mono_image
	add	esp, 12
	pop	edi
	ret
@@:
	cmp	esi, 4
	jnz	@f
	push	edi
	push	0ffffff80h
	mov	edi, esp
	call	put_4bit_image
	pop	eax
	pop	edi
	ret
@@:
	push	ebp esi ebp
	cmp	esi, 8
	jnz	@f
	mov	ebp, putimage_get8bpp
	mov	esi, putimage_init8bpp
	jmp	sys_putimage_bpp
@@:
        cmp     esi, 15
        jnz     @f
        mov     ebp, putimage_get15bpp
        mov     esi, putimage_init15bpp
        jmp     sys_putimage_bpp
@@:
        cmp     esi, 16
        jnz     @f
        mov     ebp, putimage_get16bpp
        mov     esi, putimage_init16bpp
        jmp     sys_putimage_bpp
@@:
	cmp	esi, 24
	jnz	@f
	mov	ebp, putimage_get24bpp
	mov	esi, putimage_init24bpp
	jmp	sys_putimage_bpp
@@:
	cmp	esi, 32
	jnz	@f
	mov	ebp, putimage_get32bpp
	mov	esi, putimage_init32bpp
	jmp	sys_putimage_bpp
@@:
	pop	ebp esi ebp
	ret
 
put_mono_image:
	push	ebp esi ebp
	mov	ebp, putimage_get1bpp
	mov	esi, putimage_init1bpp
	jmp	sys_putimage_bpp
put_4bit_image:
	push	ebp esi ebp
	mov	ebp, putimage_get4bpp
	mov	esi, putimage_init4bpp
	jmp	sys_putimage_bpp
 
putimage_init24bpp:
	lea	eax, [eax*3]
putimage_init8bpp:
	ret
 
align 16
putimage_get24bpp:
	mov	eax, [esi]
	add	esi, 3
	ret	4
align 16
putimage_get8bpp:
	movzx	eax, byte [esi]
	push	edx
	mov	edx, [esp+8]
	mov	eax, [edx+eax*4]
	pop	edx
	inc	esi
	ret	4
 
putimage_init1bpp:
	add	eax, ecx
	push	ecx
	add	eax, 7
	add	ecx, 7
	shr	eax, 3
	shr	ecx, 3
	sub	eax, ecx
	pop	ecx
	ret
align 16
putimage_get1bpp:
	push	edx
	mov	edx, [esp+8]
	mov	al, [edx]
	add	al, al
	jnz	@f
	lodsb
	adc	al, al
@@:
	mov	[edx], al
	sbb	eax, eax
	and	eax, [edx+8]
	add	eax, [edx+4]
	pop	edx
	ret	4
 
putimage_init4bpp:
	add	eax, ecx
	push	ecx
	add	ecx, 1
	add	eax, 1
	shr	ecx, 1
	shr	eax, 1
	sub	eax, ecx
	pop	ecx
	ret
align 16
putimage_get4bpp:
	push	edx
	mov	edx, [esp+8]
	add	byte [edx], 80h
	jc	@f
	movzx	eax, byte [edx+1]
	mov	edx, [edx+4]
	and	eax, 0x0F
	mov	eax, [edx+eax*4]
	pop	edx
	ret	4
@@:
	movzx	eax, byte [esi]
	add	esi, 1
	mov	[edx+1], al
	shr	eax, 4
	mov	edx, [edx+4]
	mov	eax, [edx+eax*4]
	pop	edx
	ret	4
 
putimage_init32bpp:
	shl	eax, 2
	ret
align 16
putimage_get32bpp:
	lodsd
	ret	4
 
putimage_init15bpp:
putimage_init16bpp:
        add     eax, eax
        ret
align 16
putimage_get15bpp:
; 0RRRRRGGGGGBBBBB -> 00000000RRRRR000GGGGG000BBBBB000
        push    ecx edx
        movzx   eax, word [esi]
        add     esi, 2
        mov     ecx, eax
        mov     edx, eax
        and     eax, 0x1F
        and     ecx, 0x1F shl 5
        and     edx, 0x1F shl 10
        shl     eax, 3
        shl     ecx, 6
        shl     edx, 9
        or      eax, ecx
        or      eax, edx
        pop     edx ecx
        ret     4
 
align 16
putimage_get16bpp:
; RRRRRGGGGGGBBBBB -> 00000000RRRRR000GGGGGG00BBBBB000
        push    ecx edx
        movzx   eax, word [esi]
        add     esi, 2
        mov     ecx, eax
        mov     edx, eax
        and     eax, 0x1F
        and     ecx, 0x3F shl 5
        and     edx, 0x1F shl 11
        shl     eax, 3
        shl     ecx, 5
        shl     edx, 8
        or      eax, ecx
        or      eax, edx
        pop     edx ecx
        ret     4
 
; eax x beginning
; ebx y beginning
; ecx x end
	; edx y end
; edi color
 
__sys_drawbar:
	mov	esi,[current_slot]
	add	eax,[esi+APPDATA.wnd_clientbox.left]
	add	ecx,[esi+APPDATA.wnd_clientbox.left]
	add	ebx,[esi+APPDATA.wnd_clientbox.top]
	add	edx,[esi+APPDATA.wnd_clientbox.top]
  .forced:
    inc   [mouse_pause]
;        call    [disable_mouse]
    cmp   [scr_mode], 0x12
    je	 dbv20
   sdbv20:
    cmp  [scr_mode], 0100000000000000b
    jge  dbv20
    cmp  [scr_mode], 0x13
    je	 dbv20
    call vesa12_drawbar
    dec   [mouse_pause]
    call   [draw_pointer]
    ret
  dbv20:
    call vesa20_drawbar
    dec   [mouse_pause]
    call   [draw_pointer]
    ret
 
 
 
kb_read:
 
	push	ecx edx
 
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      kr_loop:
	in	al,0x64
	test	al,1
	jnz	kr_ready
	loop	kr_loop
	mov	ah,1
	jmp	kr_exit
      kr_ready:
	push	ecx
	mov	ecx,32
      kr_delay:
	loop	kr_delay
	pop	ecx
	in	al,0x60
	xor	ah,ah
      kr_exit:
 
	pop	edx ecx
 
	ret
 
 
kb_write:
 
	push	ecx edx
 
	mov	dl,al
;        mov     ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
;      kw_loop1:
;        in      al,0x64
;        test    al,0x20
;        jz      kw_ok1
;        loop    kw_loop1
;        mov     ah,1
;        jmp     kw_exit
;      kw_ok1:
	in	al,0x60
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      kw_loop:
	in	al,0x64
	test	al,2
	jz	kw_ok
	loop	kw_loop
	mov	ah,1
	jmp	kw_exit
      kw_ok:
	mov	al,dl
	out	0x60,al
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      kw_loop3:
	in	al,0x64
	test	al,2
	jz	kw_ok3
	loop	kw_loop3
	mov	ah,1
	jmp	kw_exit
      kw_ok3:
	mov	ah,8
      kw_loop4:
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      kw_loop5:
	in	al,0x64
	test	al,1
	jnz	kw_ok4
	loop	kw_loop5
	dec	ah
	jnz	kw_loop4
      kw_ok4:
	xor	ah,ah
      kw_exit:
 
	pop	edx ecx
 
	ret
 
 
kb_cmd:
 
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      c_wait:
	in	al,0x64
	test	al,2
	jz	c_send
	loop	c_wait
	jmp	c_error
      c_send:
	mov	al,bl
	out	0x64,al
	mov	ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
      c_accept:
	in	al,0x64
	test	al,2
	jz	c_ok
	loop	c_accept
      c_error:
	mov	ah,1
	jmp	c_exit
      c_ok:
	xor	ah,ah
      c_exit:
	ret
 
 
_rdtsc:
     bt [cpu_caps], CAPS_TSC
     jnc ret_rdtsc
     rdtsc
     ret
   ret_rdtsc:
     mov   edx,0xffffffff
     mov   eax,0xffffffff
     ret
 
rerouteirqs:
 
	mov	al,0x11 	;  icw4, edge triggered
	out	0x20,al
	out	0xA0,al
 
	mov	al,0x20 	;  generate 0x20 +
	out	0x21,al
	mov	al,0x28 	;  generate 0x28 +
	out	0xA1,al
 
	mov	al,0x04 	;  slave at irq2
	out	0x21,al
	mov	al,0x02 	;  at irq9
	out	0xA1,al
 
	mov	al,0x01 	;  8086 mode
	out	0x21,al
	out	0xA1,al
 
	mov	al,255		; mask all irq's
	out	0xA1,al
	out	0x21,al
 
	mov	al,255		; mask all irq's
	out	0xA1,al
	out	0x21,al
	ret
 
align 4
_SysMsgBoardStr:
sys_msg_board_str:
 
     pushad
   @@:
     cmp    [esi],byte 0
     je     @f
     mov    eax,1
     movzx  ebx,byte [esi]
     call   sys_msg_board
     inc    esi
     jmp    @b
   @@:
     popad
     ret
 
sys_msg_board_byte:
; in: al = byte to display
; out: nothing
; destroys: nothing
	pushad
	mov	ecx, 2
	shl	eax, 24
	jmp	@f
 
sys_msg_board_word:
; in: ax = word to display
; out: nothing
; destroys: nothing
	pushad
	mov	ecx, 4
	shl	eax, 16
	jmp	@f
 
sys_msg_board_dword:
; in: eax = dword to display
; out: nothing
; destroys: nothing
	pushad
	mov	ecx, 8
@@:
	push	ecx
	rol	eax, 4
	push	eax
	and	al, 0xF
	cmp	al, 10
	sbb	al, 69h
	das
	mov	bl, al
	xor	eax, eax
	inc	eax
	call	sys_msg_board
	pop	eax
	pop	ecx
	loop	@b
	popad
	ret
 
uglobal
  msg_board_data: times 4096 db 0
  msg_board_count dd 0x0
endg
 
sys_msg_board:
 
; eax=1 : write :  bl byte to write
; eax=2 :  read :  ebx=0 -> no data, ebx=1 -> data in al
 
	mov	ecx, [msg_board_count]
	cmp	eax, 1
	jne	.smbl1
 
 
	mov	[msg_board_data+ecx],bl
	inc	ecx
	and	ecx, 4095
	mov	[msg_board_count], ecx
	mov	[check_idle_semaphore], 5
	ret
.smbl1:
	cmp	eax, 2
	jne	.smbl2
	test	ecx, ecx
	jz	.smbl21
	mov	eax, msg_board_data+1
	mov	ebx, msg_board_data
	movzx	edx, byte [ebx]
	call	memmove
	dec	[msg_board_count]
	mov	[esp + 36], edx ;eax
	mov	[esp + 24], dword 1
	ret
.smbl21:
	mov	[esp+36], ecx
	mov	[esp+24], ecx
.smbl2:
	ret
 
 
 
sys_process_def:
	mov	edi, [CURRENT_TASK]
 
	dec	eax		; 1 = set keyboard mode
     jne   no_set_keyboard_setup
 
     shl   edi,8
     mov   [edi+SLOT_BASE + APPDATA.keyboard_mode],bl
 
     ret
 
   no_set_keyboard_setup:
 
	dec	eax		; 2 = get keyboard mode
     jne   no_get_keyboard_setup
 
     shl   edi,8
     movzx eax, byte [SLOT_BASE+edi + APPDATA.keyboard_mode]
 
     mov   [esp+36],eax
 
     ret
 
   no_get_keyboard_setup:
 
	dec	eax		; 3 = get keyboard ctrl, alt, shift
     jne   no_get_keyboard_cas
 
;     xor   eax,eax
;     movzx eax,byte [shift]
;     movzx ebx,byte [ctrl]
;     shl   ebx,2
;     add   eax,ebx
;     movzx ebx,byte [alt]
;     shl   ebx,3
;     add   eax,ebx
 
 ;// mike.dld [
     mov   eax, [kb_state]
 ;// mike.dld ]
 
     mov   [esp+36],eax
 
     ret
 
   no_get_keyboard_cas:
 
	dec	eax
	jnz	no_add_keyboard_hotkey
 
	mov	eax, hotkey_list
@@:
	cmp	dword [eax+8], 0
	jz	.found_free
	add	eax, 16
	cmp	eax, hotkey_list+16*256
	jb	@b
	mov	dword [esp+36], 1
	ret
.found_free:
	mov	[eax+8], edi
	mov	[eax+4], ecx
	movzx	ebx, bl
	lea	ebx, [hotkey_scancodes+ebx*4]
	mov	ecx, [ebx]
	mov	[eax], ecx
	mov	[ebx], eax
	mov	[eax+12], ebx
	jecxz	@f
	mov	[ecx+12], eax
@@:
	and	dword [esp+36], 0
	ret
 
no_add_keyboard_hotkey:
 
	dec	eax
	jnz	no_del_keyboard_hotkey
 
	movzx	ebx, bl
	lea	ebx, [hotkey_scancodes+ebx*4]
	mov	eax, [ebx]
.scan:
	test	eax, eax
	jz	.notfound
	cmp	[eax+8], edi
	jnz	.next
	cmp	[eax+4], ecx
	jz	.found
.next:
	mov	eax, [eax]
	jmp	.scan
.notfound:
	mov	dword [esp+36], 1
	ret
.found:
	mov	ecx, [eax]
	jecxz	@f
	mov	edx, [eax+12]
	mov	[ecx+12], edx
@@:
	mov	ecx, [eax+12]
	mov	edx, [eax]
	mov	[ecx], edx
	xor	edx, edx
	mov	[eax+4], edx
	mov	[eax+8], edx
	mov	[eax+12], edx
	mov	[eax], edx
	mov	[esp+36], edx
	ret
 
no_del_keyboard_hotkey:
     ret
 
 
align 4
 
sys_gs: 			; direct screen access
 
     cmp  eax,1 		; resolution
     jne  no_gs1
     mov  eax,[Screen_Max_X]
     shl  eax,16
     mov  ax, word [Screen_Max_Y]
     add  eax,0x00010001
     mov  [esp+36],eax
     ret
   no_gs1:
 
     cmp   eax,2		; bits per pixel
     jne   no_gs2
     mov   eax, [ScreenBPP]
     mov   [esp+36],eax
     ret
   no_gs2:
 
     cmp   eax,3		; bytes per scanline
     jne   no_gs3
     mov   eax,[BytesPerScanLine]
     mov   [esp+36],eax
     ret
   no_gs3:
 
     mov  [esp+36],dword -1
     ret
 
 
align 4 ; PCI functions
 
sys_pci:
 
     call  pci_api
     mov   [esp+36],eax
     ret
 
 
align 4  ;  system functions
 
syscall_setpixel:			; SetPixel
 
	mov	eax, ebx
	mov	ebx, ecx
	mov	ecx, edx
	mov	edx, [TASK_BASE]
	add	eax, [edx-twdw+WDATA.box.left]
	add	ebx, [edx-twdw+WDATA.box.top]
	mov	edi, [current_slot]
	add	eax, [edi+APPDATA.wnd_clientbox.left]
	add	ebx, [edi+APPDATA.wnd_clientbox.top]
	xor	edi, edi ; no force
;       mov     edi, 1
	call	[disable_mouse]
	jmp	[putpixel]
 
align 4
 
syscall_writetext:			; WriteText
 
	mov   eax,[TASK_BASE]
	mov   ebp,[eax-twdw+WDATA.box.left]
	push  esi
	mov   esi,[current_slot]
	add   ebp,[esi+APPDATA.wnd_clientbox.left]
	shl   ebp,16
	add   ebp,[eax-twdw+WDATA.box.top]
	add   bp,word[esi+APPDATA.wnd_clientbox.top]
	pop   esi
	add   ebx,ebp
	mov   eax,edi
	xor   edi,edi
	jmp   dtext
 
align 4
 
syscall_openramdiskfile:		; OpenRamdiskFile
 
	mov	eax, ebx
	mov	ebx, ecx
	mov	ecx, edx
	mov	edx, esi
	mov	esi, 12
	call	fileread
	mov	[esp+32], eax
	ret
 
align 4
 
syscall_drawrect:			; DrawRect
 
	mov	edi, edx ; color + gradient
	and	edi, 0x80FFFFFF
	test	bx, bx	; x.size
	je	.drectr
	test	cx, cx ; y.size
	je	.drectr
 
	mov	eax, ebx ; bad idea
	mov	ebx, ecx
 
	movzx	ecx, ax ; ecx - x.size
	shr	eax, 16 ; eax - x.coord
	movzx	edx, bx ; edx - y.size
	shr	ebx, 16 ; ebx - y.coord
	mov	esi, [current_slot]
 
	add	eax, [esi + APPDATA.wnd_clientbox.left]
	add	ebx, [esi + APPDATA.wnd_clientbox.top]
	add	ecx, eax
	add	edx, ebx
	jmp	[drawbar]
.drectr:
	ret
 
align 4
syscall_getscreensize:			; GetScreenSize
    mov eax, [Screen_Max_X]
	shl	eax, 16
    mov ax, word [Screen_Max_Y]
	mov	[esp + 32], eax
	ret
 
align 4
 
syscall_cdaudio:			; CD
 
	cmp	eax, 4
	jb	.audio
	jz	.eject
	cmp	eax, 5
	jnz	.ret
.load:
	call	.reserve
	call	LoadMedium
	call	.free
	ret
.eject:
	call	.reserve
	call	clear_CD_cache
	call	allow_medium_removal
	call	EjectMedium
	call	.free
	ret
.audio:
     call  sys_cd_audio
     mov   [esp+36],eax
.ret:
     ret
 
.reserve:
	call	reserve_cd
	mov	eax, ebx
	shr	eax, 1
	and	eax, 1
	inc	eax
	mov	[ChannelNumber], ax
	mov	eax, ebx
	and	eax, 1
	mov	[DiskNumber], al
	call	reserve_cd_channel
	and	ebx, 3
	inc	ebx
	mov	[cdpos], ebx
	add	ebx, ebx
	mov	cl, 8
	sub	cl, bl
	mov	al, [DRIVE_DATA+1]
	shr	al, cl
	test	al, 2
	jz	.err
	ret
.free:
	call	free_cd_channel
	and	[cd_status], 0
	ret
.err:
	call	.free
	pop	eax
	ret
 
align 4
 
syscall_getpixel:			; GetPixel
     mov   ecx, [Screen_Max_X]
     inc   ecx
     xor   edx, edx
     mov   eax, ebx
     div   ecx
     mov   ebx, edx
     xchg  eax, ebx
     call  dword [get_pixel] ; eax - x, ebx - y
     mov   [esp + 32], ecx
     ret
 
 
align 4
 
syscall_drawline:			; DrawLine
 
	mov	edi, [TASK_BASE]
	movzx	eax, word[edi-twdw+WDATA.box.left]
	mov	ebp, eax
	mov	esi, [current_slot]
	add	ebp, [esi+APPDATA.wnd_clientbox.left]
	add	ax, word[esi+APPDATA.wnd_clientbox.left]
	add	ebp,ebx
	shl	eax, 16
	movzx	ebx, word[edi-twdw+WDATA.box.top]
	add	eax, ebp
	mov	ebp, ebx
	add	ebp, [esi+APPDATA.wnd_clientbox.top]
	add	bx, word[esi+APPDATA.wnd_clientbox.top]
	add	ebp, ecx
	shl	ebx, 16
	xor	edi, edi
	add	ebx, ebp
	mov	ecx, edx
	jmp	[draw_line]
 
align 4
 
syscall_getirqowner:			; GetIrqOwner
 
     cmp   ebx,16
     jae   .err
 
     cmp   [irq_rights + 4 * ebx], dword 2
     je    .err
 
     mov   eax,[4 * ebx + irq_owner]
     mov   [esp+32],eax
 
     ret
.err:
     or    dword [esp+32], -1
     ret
 
align 4
 
syscall_reserveportarea:		; ReservePortArea and FreePortArea
 
     call  r_f_port_area
     mov   [esp+36],eax
     ret
 
align 4
 
syscall_threads:			; CreateThreads
 
     call  sys_threads
     mov   [esp+36],eax
     ret
 
align 4
 
stack_driver_stat:
 
     call  app_stack_handler		; Stack status
 
;     mov   [check_idle_semaphore],5    ; enable these for zero delay
;     call  change_task                 ; between sent packet
 
     mov   [esp+36],eax
     ret
 
align 4
 
socket: 				; Socket interface
     call  app_socket_handler
 
;     mov   [check_idle_semaphore],5    ; enable these for zero delay
;     call  change_task                 ; between sent packet
 
     mov   [esp+36],eax
     mov   [esp+24],ebx
     ret
 
align 4
 
read_from_hd:				; Read from hd - fn not in use
 
     mov   edi,[TASK_BASE]
     add   edi,TASKDATA.mem_start
     add   eax,[edi]
     add   ecx,[edi]
     add   edx,[edi]
     call  file_read
 
     mov   [esp+36],eax
     mov   [esp+24],ebx
 
     ret
 
paleholder:
	ret
 
 
align 4
_SetScreen:
set_screen:
	cmp eax, [Screen_Max_X]
	jne .set
 
	cmp edx, [Screen_Max_Y]
	jne .set
	ret
.set:
	pushfd
	cli
 
	mov [Screen_Max_X], eax
	mov [Screen_Max_Y], edx
 
	mov [screen_workarea.right],eax
	mov [screen_workarea.bottom], edx
	inc eax
	shl eax, 2			;32 bpp
	mov [BytesPerScanLine], eax
	push ebx
	push esi
	push edi
	call	repos_windows
	mov	eax, 0
	mov	ebx, 0
	mov	ecx, [Screen_Max_X]
	mov	edx, [Screen_Max_Y]
	call	calculatescreen
	pop edi
	pop esi
	pop ebx
 
	popfd
	ret
 
; --------------- APM ---------------------
apm_entry    dp    0
apm_vf	      dd    0
align 4
sys_apm:
    cmp    word [apm_vf], 0    ; Check APM BIOS enable
    jne    @f
    or	  [esp + 56], byte 1	; error
    mov    [esp + 36], dword 8	  ; 32-bit protected-mode interface not supported
    ret
 
@@:
    xchg    eax, ecx
    xchg    ebx, ecx
 
    cmp    al, 3
    ja	  @f
    and    [esp + 56], byte 0xfe    ; emulate func 0..3 as func 0
    mov    eax, [apm_vf]
    mov    [esp + 36], eax
    shr    eax, 16
    mov    [esp + 32], eax
    ret
 
@@:
 
    mov esi, [master_tab+(OS_BASE shr 20)]
    xchg [master_tab], esi
    push esi
    mov edi, cr3
    mov cr3, edi		 ;flush TLB
 
    call    pword [apm_entry]	 ; call APM BIOS
 
    xchg eax, [esp]
    mov [master_tab], eax
    mov eax, cr3
    mov cr3, eax
    pop eax
 
    mov    [esp + 8 ], edi
    mov    [esp + 12], esi
    mov    [esp + 24], ebx
    mov    [esp + 28], edx
    mov    [esp + 32], ecx
    mov    [esp + 36], eax
    setc    al
    and    [esp + 56], byte 0xfe
    or	  [esp + 56], al
 
 
    ret
; -----------------------------------------
 
align 4
 
undefined_syscall:			; Undefined system call
     mov   [esp + 32], dword -1
     ret
 
align 4
system_shutdown:	  ; shut down the system
 
       cmp byte [OS_BASE+0x9030], 1
	   jne @F
	   ret
@@:
	   call stop_all_services
	   push 3		 ; stop playing cd
	   pop	eax
	   call sys_cd_audio
 
yes_shutdown_param:
 
	   cli
 
           cmp byte [OS_BASE+0x9030], 3
           je _sys_reboot
 
           cmp byte [OS_BASE+0x9030], 4
           je _sys_restart
 
           cld
           mov  esi, BOOT_VAR    ; restore 0x0 - 0xffff
           mov  edi, OS_BASE
           mov  ecx,0x10000/4
           rep movsd
 
           mov esi, _16bit_start + OS_BASE
           mov ecx, _16bit_end
           shr ecx, 2
           mov edi, _16BIT_BASE + OS_BASE
           rep movsd
 
           mov dword [_sys_pdbr],   PG_LARGE+PG_SW
           mov eax, _sys_pdbr + (0x100000000-OS_BASE)
           mov cr3, eax
 
           jmp far sel_code_16:_poweroff;
 
align 4
 
_sys_restart:
 
           mov ax, sel_os_stack
           mov dx, sel_app_data
           mov ss, ax
           mov esp, __os_stack
 
           mov ds, dx
           mov es, dx
           mov fs, dx
           mov gs, dx
 
           call restorefatchain
 
           cld
 
         ;  mov eax, [_copy_pg_balloc]
           mov [_pg_balloc], eax
 
           mov dword [_sys_pdbr],   PG_LARGE+PG_SW
           mov eax, _sys_pdbr + (0x100000000-OS_BASE)
           mov cr3, eax
 
           mov ecx, LAST_PAGE
           mov edi, cur_saved_data
           sub edi, OS_BASE
           sub ecx, edi
           shr ecx, 2
           xor eax, eax
           rep stosd
 
           call test_cpu
 
   ;        jmp __core_restart
 
_sys_reboot:
           mov  word [OS_BASE+0x467+0],0xFFF0
           mov  word [OS_BASE+0x467+2],0xF000
 
	   mov	al,0x0F
	   out	0x70,al
	   mov	al,0x05
	   out	0x71,al
 
	   mov	al,0xFE
	   out	0x64,al
 
	   hlt
 
include "data32.inc"
 
__REV__ = __REV
 
;uglobals_size = $ - endofcode
;diff16 "end of kernel code",0,$

Rev 1066	Rev 2971
1	format MS COFF	1	format MS COFF
2		2
3	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	3	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
4	;;	4	;;
5	;; Copyright (C) KolibriOS team 2004-2008. All rights reserved.	5	;; Copyright (C) KolibriOS team 2004-2008. All rights reserved.
6	;; PROGRAMMING:	6	;; PROGRAMMING:
7	;; Ivan Poddubny	7	;; Ivan Poddubny
8	;; Marat Zakiyanov (Mario79)	8	;; Marat Zakiyanov (Mario79)
9	;; VaStaNi	9	;; VaStaNi
10	;; Trans	10	;; Trans
11	;; Mihail Semenyako (mike.dld)	11	;; Mihail Semenyako (mike.dld)
12	;; Sergey Kuzmin (Wildwest)	12	;; Sergey Kuzmin (Wildwest)
13	;; Andrey Halyavin (halyavin)	13	;; Andrey Halyavin (halyavin)
14	;; Mihail Lisovin (Mihasik)	14	;; Mihail Lisovin (Mihasik)
15	;; Andrey Ignatiev (andrew_programmer)	15	;; Andrey Ignatiev (andrew_programmer)
16	;; NoName	16	;; NoName
17	;; Evgeny Grechnikov (Diamond)	17	;; Evgeny Grechnikov (Diamond)
18	;; Iliya Mihailov (Ghost)	18	;; Iliya Mihailov (Ghost)
19	;; Sergey Semyonov (Serge)	19	;; Sergey Semyonov (Serge)
20	;; Johnny_B	20	;; Johnny_B
21	;; SPraid (simba)	21	;; SPraid (simba)
22	;;	22	;; Hidnplayr
-		23	;;
23	;; Data in this file was originally part of MenuetOS project which is	24	;; Data in this file was originally part of MenuetOS project which is
24	;; distributed under the terms of GNU GPL. It is modified and redistributed as	25	;; distributed under the terms of GNU GPL. It is modified and redistributed as
25	;; part of KolibriOS project under the terms of GNU GPL.	26	;; part of KolibriOS project under the terms of GNU GPL.
26	;;	27	;;
27	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa	28	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa
28	;; PROGRAMMING:	29	;; PROGRAMMING:
29	;;	30	;;
30	;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi	31	;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi
31	;; - main os coding/design	32	;; - main os coding/design
32	;; Jan-Michael Brummer, BUZZ2@gmx.de	33	;; Jan-Michael Brummer, BUZZ2@gmx.de
33	;; Felix Kaiser, info@felix-kaiser.de	34	;; Felix Kaiser, info@felix-kaiser.de
34	;; Paolo Minazzi, paolo.minazzi@inwind.it	35	;; Paolo Minazzi, paolo.minazzi@inwind.it
35	;; quickcode@mail.ru	36	;; quickcode@mail.ru
36	;; Alexey, kgaz@crosswinds.net	37	;; Alexey, kgaz@crosswinds.net
37	;; Juan M. Caravaca, bitrider@wanadoo.es	38	;; Juan M. Caravaca, bitrider@wanadoo.es
38	;; kristol@nic.fi	39	;; kristol@nic.fi
39	;; Mike Hibbett, mikeh@oceanfree.net	40	;; Mike Hibbett, mikeh@oceanfree.net
40	;; Lasse Kuusijarvi, kuusijar@lut.fi	41	;; Lasse Kuusijarvi, kuusijar@lut.fi
41	;; Jarek Pelczar, jarekp3@wp.pl	42	;; Jarek Pelczar, jarekp3@wp.pl
42	;;	43	;;
43	;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY	44	;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY
44	;; WARRANTY. No author or distributor accepts responsibility to anyone for the	45	;; WARRANTY. No author or distributor accepts responsibility to anyone for the
45	;; consequences of using it or for whether it serves any particular purpose or	46	;; consequences of using it or for whether it serves any particular purpose or
46	;; works at all, unless he says so in writing. Refer to the GNU General Public	47	;; works at all, unless he says so in writing. Refer to the GNU General Public
47	;; License (the "GPL") for full details.	48	;; License (the "GPL") for full details.
48	;	49	;
49	;; Everyone is granted permission to copy, modify and redistribute KolibriOS,	50	;; Everyone is granted permission to copy, modify and redistribute KolibriOS,
50	;; but only under the conditions described in the GPL. A copy of this license	51	;; but only under the conditions described in the GPL. A copy of this license
51	;; is supposed to have been given to you along with KolibriOS so you can know	52	;; is supposed to have been given to you along with KolibriOS so you can know
52	;; your rights and responsibilities. It should be in a file named COPYING.	53	;; your rights and responsibilities. It should be in a file named COPYING.
53	;; Among other things, the copyright notice and this notice must be preserved	54	;; Among other things, the copyright notice and this notice must be preserved
54	;; on all copies.	55	;; on all copies.
55	;;	56	;;
56	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	57	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
57		58
58	include 'macros.inc'	59	include 'macros.inc'
59		60
60	$Revision: 1066 $	61	$Revision: 2971 $
61		62
62		63
63	fastcall equ call	64	fastcall equ call
64		65
65	USE_COM_IRQ equ 1 ;make irq 3 and irq 4 available for PCI devices	66	USE_COM_IRQ equ 1 ;make irq 3 and irq 4 available for PCI devices
66		67
67	include "proc32.inc"	68	include "proc32.inc"
68	include "kglobals.inc"	69	include "kglobals.inc"
69	include "lang.inc"	70	include "lang.inc"
70		71
71	include "const.inc"	72	include "const.inc"
72	max_processes equ 255	73	max_processes equ 255
73	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4	74	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
74		75
75	sel_tss equ (tss_l - _gdts) ;0x08	76	sel_tss equ (tss_l - _gdts) ;0x08
76		77
77	sel_os_code equ (os_code_l - _gdts) ;0x10	78	sel_os_code equ (os_code_l - _gdts) ;0x10
78	sel_os_stack equ (os_stacK_l - _gdts) ;0x18	79	sel_os_stack equ (os_stacK_l - _gdts) ;0x18
79		80
80	sel_app_code equ (app_code_l - _gdts +3) ;0x23	81	sel_app_code equ (app_code_l - _gdts +3) ;0x23
81	sel_app_data equ (app_data_l - _gdts +3) ;0x2B	82	sel_app_data equ (app_data_l - _gdts +3) ;0x2B
82		83
83	sel_srv_code equ (srv_code_l - _gdts +1) ;0x31	84	sel_srv_code equ (srv_code_l - _gdts +1) ;0x31
84	sel_srv_stack equ (srv_stack_l- _gdts +1) ;0x39	85	sel_srv_stack equ (srv_stack_l- _gdts +1) ;0x39
85		86
86	sel_pci_code equ (pci_code_32-_gdts) ;0x40	87	sel_pci_code equ (pci_code_32-_gdts) ;0x40
87	sel_pci_data equ (pci_data_32-_gdts) ;0x48	88	sel_pci_data equ (pci_data_32-_gdts) ;0x48
88		89
89	sel_graph_data equ (graph_data_l-_gdts +3)	90	sel_graph_data equ (graph_data_l-_gdts +3)
90		91
91	sel_code_16 equ (code_16_l - _gdts)	92	sel_code_16 equ (code_16_l - _gdts)
92		93
93	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	94	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
94	;;	95	;;
95	;; Included files:	96	;; Included files:
96	;;	97	;;
97	;; Kernel16.inc	98	;; Kernel16.inc
98	;; - Booteng.inc English text for bootup	99	;; - Booteng.inc English text for bootup
99	;; - Bootcode.inc Hardware setup	100	;; - Bootcode.inc Hardware setup
100	;; - Pci16.inc PCI functions	101	;; - Pci16.inc PCI functions
101	;;	102	;;
102	;; Kernel32.inc	103	;; Kernel32.inc
103	;; - Sys32.inc Process management	104	;; - Sys32.inc Process management
104	;; - Shutdown.inc Shutdown and restart	105	;; - Shutdown.inc Shutdown and restart
105	;; - Fat32.inc Read / write hd	106	;; - Fat32.inc Read / write hd
106	;; - Vesa12.inc Vesa 1.2 driver	107	;; - Vesa12.inc Vesa 1.2 driver
107	;; - Vesa20.inc Vesa 2.0 driver	108	;; - Vesa20.inc Vesa 2.0 driver
108	;; - Vga.inc VGA driver	109	;; - Vga.inc VGA driver
109	;; - Stack.inc Network interface	110	;; - Stack.inc Network interface
110	;; - Mouse.inc Mouse pointer	111	;; - Mouse.inc Mouse pointer
111	;; - Scincode.inc Window skinning	112	;; - Scincode.inc Window skinning
112	;; - Pci32.inc PCI functions	113	;; - Pci32.inc PCI functions
113	;;	114	;;
114	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	115	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
115		116
116		117
117	public _boot_mbi	118	public _boot_mbi
118	public _sys_pdbr	119	public _sys_pdbr
119	public _gdts	120	public _gdts
120		121
121	public __hlt	122	public __hlt
122	public _panic_printf	123	public _panic_printf
123	public _printf	124	public _printf
124	public _dump	125	public _dump
125	public _pg_balloc	126	public _pg_balloc
126	public _mem_amount	127	public _mem_amount
127	public @balloc@4	128	public @balloc@4
128		129
129	public system_init	130	public system_init
130		131
131	public _rd_base	132	public _rd_base
132	public _rd_fat	133	public _rd_fat
133	public _rd_fat_end	134	public _rd_fat_end
134	public _rd_root	135	public _rd_root
135	public _rd_root_end	136	public _rd_root_end
136		137
137	public _current_task	138	public _current_task
138	public _current_slot	139	public _current_slot
139	public _current_thread	140	public _current_thread
140	public _k_reenter	141	public _k_reenter
141		142
142	public _load_file@4	143	public _load_file@4
143		144
144	public mnt_exec	145	public mnt_exec
145		146
146	public @pe_app_space@4	147	public @pe_app_space@4
147	public pe_app_param	148	public pe_app_param
148	public _init_user_heap	149	public _init_user_heap
149		150
150	public user_alloc	151	public user_alloc
151	public user_free	152	public user_free
152		153
153	public _strncmp@12	154	public _strncmp@12
154		155
155	public _LoadFile ; stdcall export	156	public _LoadFile ; stdcall export
156		157
157	public _CreateObject ; export	158	public _CreateObject ; export
158	public _DestroyObject ; export	159	public _DestroyObject ; export
159		160
160	public _CreateRingBuffer ; stdcall export	161	public _CreateRingBuffer ; stdcall export
161	public _CommitPages ; export	162	public _CommitPages ; export
162	public _GetPgAddr ; export	163	public _GetPgAddr ; export
163	public _MapIoMem ; stdcall export	164	public _MapIoMem ; stdcall export
164	public _UnmapPages ; export	165	public _UnmapPages ; export
165		166
166	public _Kmalloc ; export	167	public _Kmalloc ; export
167	public _Kfree ; export	168	public _Kfree ; export
168	public _UserAlloc ; stdcall export	169	public _UserAlloc ; stdcall export
169	public _UserFree ; stdcall export	170	public _UserFree ; stdcall export
170		171
171	public _RegService ; stdcall export	172	public _RegService ; stdcall export
172	public _SysMsgBoardStr ; export	173	public _SysMsgBoardStr ; export
173	public _SetScreen ; export FIXME make fastcall	174	public _SetScreen ; export FIXME make fastcall
174		175
175	public _PciApi ; export	176	public _PciApi ; export
176	public _PciRead8 ; stdcall export	177	public _PciRead8 ; stdcall export
177	public _PciRead16 ; stdcall export	178	public _PciRead16 ; stdcall export
178	public _PciRead32 ; stdcall export	179	public _PciRead32 ; stdcall export
179	public _PciWrite8 ; stdcall export	180	public _PciWrite8 ; stdcall export
180	public _PciWrite16 ; stdcall export	181	public _PciWrite16 ; stdcall export
181	public _PciWrite32 ; stdcall export	182	public _PciWrite32 ; stdcall export
182		183
183	public _SelectHwCursor ; stdcall export	184	public _SelectHwCursor ; stdcall export
184	public _SetHwCursor ; stdcall export	185	public _SetHwCursor ; stdcall export
185	public _HwCursorRestore ; export	186	public _HwCursorRestore ; export
186	public _HwCursorCreate ; export	187	public _HwCursorCreate ; export
187		188
188	public init_idt	189	public init_idt
189	public init_fpu	190	public init_fpu
190	public init_malloc	191	public init_malloc
191	public init_mtrr	192	public init_mtrr
192		193
193	public sysenter_entry	194	public sysenter_entry
194	public syscall_entry	195	public syscall_entry
195		196
196	public scr_mode	197	public scr_mode
197	public LFBAddress	198	public LFBAddress
198	public LFBSize	199	public LFBSize
199		200
200	public _screen_width	201	public _screen_width
201	public _screen_height	202	public _screen_height
202		203
203	public _vesa20_drawbar	204	public _vesa20_drawbar
204		205
205		206
206	extrn __edata	207	extrn __edata
207		208
208	extrn __os_stack	209	extrn __os_stack
209		210
210	extrn _pg_balloc	211	extrn _pg_balloc
211		212
212	extrn _16bit_start	213	extrn _16bit_start
213	extrn _16bit_end	214	extrn _16bit_end
214		215
215		216
216	extrn _poweroff	217	extrn _poweroff
217		218
218	extrn @pf_dump@8	219	extrn @pf_dump@8
219		220
220	extrn @frame_alloc@4	221	extrn @frame_alloc@4
221	extrn @frame_free@4	222	extrn @frame_free@4
222		223
223	extrn @find_large_md@4	224	extrn @find_large_md@4
224		225
225	extrn @heap_fault@8	226	extrn @heap_fault@8
226		227
227		228
228	extrn _MemAlloc	229	extrn _MemAlloc
229	extrn _MemFree	230	extrn _MemFree
230		231
231	@mem_alloc@8 equ _MemAlloc	232	@mem_alloc@8 equ _MemAlloc
232	@mem_free@4 equ _MemFree	233	@mem_free@4 equ _MemFree
233		234
234	extrn @create_systhread@4	235	extrn @create_systhread@4
235	extrn _sys_exec	236	extrn _sys_exec
236		237
237	;extrn @load_pe@4	238	;extrn @load_pe@4
238	extrn @load_pe_driver@4	239	extrn @load_pe_driver@4
239		240
240	extrn _alloc_page	241	extrn _alloc_page
241		242
242	extrn _get_free_mem	243	extrn _get_free_mem
243		244
244	extrn _bx_from_load	245	extrn _bx_from_load
245		246
246	extrn _sys_app_entry	247	extrn _sys_app_entry
247		248
-		249	public _set_screen
-		250
248	extrn _i40	251	extrn _i40
249		252
250	extrn test_cpu	253	extrn test_cpu
251		254
252	extrn cpu_vendor	255	extrn cpu_vendor
253	extrn cpu_sign	256	extrn cpu_sign
254	extrn cpu_info	257	extrn cpu_info
255	extrn cpu_caps:dword	258	extrn cpu_caps:dword
256		259
257		-
-		260	extrn stb_create_window
-		261	extrn stb_show_window
-		262	extrn stb_get_event
-		263	extrn stb_def_window_proc
258		264
259	section '.flat' code readable align 4096	265	section '.flat' code readable align 4096
260		266
261	use32	267	use32
262		268
263	align 4	269	align 4
264		270
265	use32	271	use32
266		272
267	; call test_cpu	273	; call test_cpu
268	; bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc	274	; bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
269		275
270	; call init_BIOS32	276	; call init_BIOS32
271		277
272	; jmp pword os_code:high_code	278	; jmp pword os_code:high_code
273		279
274	align 4	280	align 4
275	;bios32_entry dd ?	281	;bios32_entry dd ?
276	;tmp_page_tabs dd ?	282	;tmp_page_tabs dd ?
277		283
278		284
279	__DEBUG__ fix 1	285	__DEBUG__ fix 1
280	__DEBUG_LEVEL__ fix 1	286	__DEBUG_LEVEL__ fix 1
281		287
282		288
283	MEM_WB equ 6 ;write-back memory	289	MEM_WB equ 6 ;write-back memory
284	MEM_WC equ 1 ;write combined memory	290	MEM_WC equ 1 ;write combined memory
285	MEM_UC equ 0 ;uncached memory	291	MEM_UC equ 0 ;uncached memory
286		292
287		293
288	__hlt:	294	__hlt:
289	cli	295	cli
290	@@:	296	@@:
291	hlt	297	hlt
292	jmp @B	298	jmp @B
293		299
294	align 4	300	align 4
295	_panic_printf:	301	_panic_printf:
296		302
297	mov dword [esp], __hlt	303	mov dword [esp], __hlt
298	jmp _printf	304	jmp _printf
299		305
300	align 4	306	align 4
301	include 'printf.inc'	307	include 'printf.inc'
302		308
303	; --------------- APM ---------------------	309	; --------------- APM ---------------------
304		310
305	align 4	311	align 4
306	init_apm:	312	init_apm:
307	; init selectors	313	; init selectors
308	mov ebx, [OS_BASE +0x9040] ; offset of APM entry point	314	mov ebx, [OS_BASE +0x9040] ; offset of APM entry point
309	movzx eax, word [OS_BASE+0x9050] ; real-mode segment base address of	315	movzx eax, word [OS_BASE+0x9050] ; real-mode segment base address of
310	; protected-mode 32-bit code segment	316	; protected-mode 32-bit code segment
311	movzx ecx, word [OS_BASE+0x9052] ; real-mode segment base address of	317	movzx ecx, word [OS_BASE+0x9052] ; real-mode segment base address of
312	; protected-mode 16-bit code segment	318	; protected-mode 16-bit code segment
313	movzx edx, word [OS_BASE+0x9054] ; real-mode segment base address of	319	movzx edx, word [OS_BASE+0x9054] ; real-mode segment base address of
314	; protected-mode 16-bit data segment	320	; protected-mode 16-bit data segment
315		321
316	shl eax, 4	322	shl eax, 4
317	mov [dword apm_code_32 + 2], ax	323	mov [dword apm_code_32 + 2], ax
318	shr eax, 16	324	shr eax, 16
319	mov [dword apm_code_32 + 4], al	325	mov [dword apm_code_32 + 4], al
320		326
321	shl ecx, 4	327	shl ecx, 4
322	mov [dword apm_code_16 + 2], cx	328	mov [dword apm_code_16 + 2], cx
323	shr ecx, 16	329	shr ecx, 16
324	mov [dword apm_code_16 + 4], cl	330	mov [dword apm_code_16 + 4], cl
325		331
326	shl edx, 4	332	shl edx, 4
327	mov [dword apm_data_16 + 2], dx	333	mov [dword apm_data_16 + 2], dx
328	shr edx, 16	334	shr edx, 16
329	mov [dword apm_data_16 + 4], dl	335	mov [dword apm_data_16 + 4], dl
330		336
331	mov dword[apm_entry], ebx	337	mov dword[apm_entry], ebx
332	mov word [apm_entry + 4], apm_code_32 - _gdts	338	mov word [apm_entry + 4], apm_code_32 - _gdts
333		339
334	mov eax, [OS_BASE + 0x9044] ; version & flags	340	mov eax, [OS_BASE + 0x9044] ; version & flags
335	mov [apm_vf], eax	341	mov [apm_vf], eax
336	ret	342	ret
337		343
338	align 16	344	align 16
339	system_init:	345	system_init:
340		346
341	mov [pg_data.pg_mutex], 0	347	mov [pg_data.pg_mutex], 0
342		348
343	call init_apm	349	call init_apm
344		350
345	; SAVE REAL MODE VARIABLES	351	; SAVE REAL MODE VARIABLES
346	mov ax, [OS_BASE + 0x9031]	352	mov ax, [OS_BASE + 0x9031]
347	mov [IDEContrRegsBaseAddr], ax	353	mov [IDEContrRegsBaseAddr], ax
348		354
349	mov al, [OS_BASE+0x901F] ; DMA access	355	mov al, [OS_BASE+0x901F] ; DMA access
350	mov [allow_dma_access], al	356	mov [allow_dma_access], al
351		357
352	movzx eax, byte [OS_BASE+0x9000] ; bpp	358	movzx eax, byte [OS_BASE+0x9000] ; bpp
353	mov [ScreenBPP], eax	359	mov [ScreenBPP], eax
354		360
355	movzx eax,word [OS_BASE+0x900A] ; X max	361	movzx eax,word [OS_BASE+0x900A] ; X max
356	movzx ebx,word [OS_BASE+0x900C] ; Y max	362	movzx ebx,word [OS_BASE+0x900C] ; Y max
357	mov [_screen_width], eax	363	mov [_screen_width], eax
358	mov [_screen_height], ebx	364	mov [_screen_height], ebx
359	dec eax	365	dec eax
360	dec ebx	366	dec ebx
361	mov [Screen_Max_X],eax	367	mov [Screen_Max_X],eax
362	mov [screen_workarea.right],eax	368	mov [screen_workarea.right],eax
363	mov [Screen_Max_Y],ebx	369	mov [Screen_Max_Y],ebx
364	mov [screen_workarea.bottom],ebx	370	mov [screen_workarea.bottom],ebx
365	mov [BytesPerScanLine], 640*4	371	mov [BytesPerScanLine], 640*4
366	cmp [scr_mode], 0x13 ; 320x200	372	cmp [scr_mode], 0x13 ; 320x200
367	je @f	373	je @f
368	cmp [scr_mode], 0x12 ; VGA 640x480	374	cmp [scr_mode], 0x12 ; VGA 640x480
369	je @f	375	je @f
370		376
371	movzx eax, word [OS_BASE+0x9001] ; for other modes	377	movzx eax, word [OS_BASE+0x9001] ; for other modes
372	mov [BytesPerScanLine], eax	378	mov [BytesPerScanLine], eax
373	@@:	379	@@:
374	mov esi, OS_BASE+0x9080	380	mov esi, OS_BASE+0x9080
375	movzx ecx, byte [esi-1]	381	movzx ecx, byte [esi-1]
376	mov [NumBiosDisks], ecx	382	mov [NumBiosDisks], ecx
377	mov edi, BiosDisksData	383	mov edi, BiosDisksData
378	rep movsd	384	rep movsd
379		385
380	; GRAPHICS ADDRESSES	386	; GRAPHICS ADDRESSES
381		387
382	mov byte [OS_BASE+0x901e],0x0	388	mov byte [OS_BASE+0x901e],0x0
383		389
384	cmp [scr_mode], 0100000000000000b	390	cmp [scr_mode], 0100000000000000b
385	jge setvesa20	391	jge setvesa20
386	cmp [scr_mode], 0x13	392	cmp [scr_mode], 0x13
387	je v20ga32	393	je v20ga32
388	mov [put_pixel], Vesa12_putpixel24 ; Vesa 1.2	394	mov [put_pixel], Vesa12_putpixel24 ; Vesa 1.2
389	mov [get_pixel],dword Vesa12_getpixel24	395	mov [get_pixel],dword Vesa12_getpixel24
390	cmp byte [ScreenBPP], 24	396	cmp byte [ScreenBPP], 24
391	jz ga24	397	jz ga24
392	mov [put_pixel], Vesa12_putpixel32	398	mov [put_pixel], Vesa12_putpixel32
393	mov [get_pixel],dword Vesa12_getpixel32	399	mov [get_pixel],dword Vesa12_getpixel32
394	ga24:	400	ga24:
395	jmp v20ga24	401	jmp v20ga24
396	setvesa20:	402	setvesa20:
397	mov [put_pixel], Vesa20_putpixel24 ; Vesa 2.0	403	mov [put_pixel], Vesa20_putpixel24 ; Vesa 2.0
398	mov [get_pixel],dword Vesa20_getpixel24	404	mov [get_pixel],dword Vesa20_getpixel24
399	cmp byte [ScreenBPP], 24	405	cmp byte [ScreenBPP], 24
400	jz v20ga24	406	jz v20ga24
401	v20ga32:	407	v20ga32:
402	mov [put_pixel], Vesa20_putpixel32	408	mov [put_pixel], Vesa20_putpixel32
403	mov [get_pixel],dword Vesa20_getpixel32	409	mov [get_pixel],dword Vesa20_getpixel32
404	v20ga24:	410	v20ga24:
405	cmp [scr_mode], 0x12 ; 16 C VGA 640x480	411	cmp [scr_mode], 0x12 ; 16 C VGA 640x480
406	jne no_mode_0x12	412	jne no_mode_0x12
407	mov [put_pixel], VGA_putpixel	413	mov [put_pixel], VGA_putpixel
408	mov [get_pixel],dword Vesa20_getpixel32	414	mov [get_pixel],dword Vesa20_getpixel32
409	no_mode_0x12:	415	no_mode_0x12:
410		416
411	mov ecx, 1280*1024	417	mov ecx, 1280*1024
412	mov edx, PG_SW	418	mov edx, PG_SW
413	call @mem_alloc@8	419	call @mem_alloc@8
414	mov [_display_data], eax	420	mov [_display_data], eax
415		421
416	mov ecx, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \	422	mov ecx, 4096 + (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
417	(unpack.lc+unpack.lp)))*4	423	(unpack.lc+unpack.lp)))*4
-		424
418	mov edx, PG_SW	425	mov edx, PG_SW
419	call @mem_alloc@8	426	call @mem_alloc@8
420	mov [unpack.p], eax	427	mov [unpack.p], eax
421		428
422	;Set base of graphic segment to linear address of LFB	429	;Set base of graphic segment to linear address of LFB
423		430
424	mov eax, LFB_BASE	431	mov eax, LFB_BASE
425	mov [graph_data_l+2],ax	432	mov [graph_data_l+2],ax
426	shr eax,16	433	shr eax,16
427	mov [graph_data_l+4],al	434	mov [graph_data_l+4],al
428	mov [graph_data_l+7],ah	435	mov [graph_data_l+7],ah
429		436
430	mov ecx, 0x51000	437	mov ecx, 0x51000
431	xor edx, edx	438	xor edx, edx
432	call @mem_alloc@8	439	call @mem_alloc@8
433	mov [default_io_map], eax	440	mov [default_io_map], eax
434		441
435	add eax, 0x2000	442	add eax, 0x2000
436	mov [ipc_tmp], eax	443	mov [ipc_tmp], eax
437	mov ebx, 0x1000	444	mov ebx, 0x1000
438		445
439	add eax, 0x40000	446	add eax, 0x40000
440	mov [proc_mem_map], eax	447	mov [proc_mem_map], eax
441		448
442	add eax, 0x8000	449	add eax, 0x8000
443	mov [proc_mem_pdir], eax	450	mov [proc_mem_pdir], eax
444		451
445	add eax, ebx	452	add eax, ebx
446	mov [proc_mem_tab], eax	453	mov [proc_mem_tab], eax
447		454
448	add eax, ebx	455	add eax, ebx
449	mov [tmp_task_pdir], eax	456	mov [tmp_task_pdir], eax
450		457
451	add eax, ebx	458	add eax, ebx
452	mov [tmp_task_ptab], eax	459	mov [tmp_task_ptab], eax
453		460
454	add eax, ebx	461	add eax, ebx
455	mov [ipc_pdir], eax	462	mov [ipc_pdir], eax
456		463
457	add eax, ebx	464	add eax, ebx
458	mov [ipc_ptab], eax	465	mov [ipc_ptab], eax
459		466
460	call init_events	467	call init_events
461	mov eax, srv.fd-SRV_FD_OFFSET	468	mov eax, srv.fd-SRV_FD_OFFSET
462	mov [srv.fd], eax	469	mov [srv.fd], eax
463	mov [srv.bk], eax	470	mov [srv.bk], eax
464		471
465	mov edi, irq_tab	472	mov edi, irq_tab
466	xor eax, eax	473	xor eax, eax
467	mov ecx, 16	474	mov ecx, 16
468	rep stosd	475	rep stosd
469		476
470	mov [CURRENT_TASK],dword 1	477	mov [CURRENT_TASK],dword 1
471	mov [TASK_COUNT],dword 1	478	mov [TASK_COUNT],dword 1
472	mov [TASK_BASE],dword TASK_DATA	479	mov [TASK_BASE],dword TASK_DATA
473	mov [current_slot], SLOT_BASE+256	480	mov [current_slot], SLOT_BASE+256
474		481
475	; set background	482	; set background
476	xor eax,eax	483	xor eax,eax
477	inc eax	484	inc eax
478	mov [BgrDrawMode],eax	485	mov [BgrDrawMode],eax
479	mov [BgrDataWidth],eax	486	mov [BgrDataWidth],eax
480	mov [BgrDataHeight],eax	487	mov [BgrDataHeight],eax
481	mov ecx, 4095	488	mov ecx, 4095
482	mov edx, PG_SW	489	mov edx, PG_SW
483	mov [mem_BACKGROUND],4095	490	mov [mem_BACKGROUND],4095
484	call @mem_alloc@8	491	call @mem_alloc@8
485	mov [img_background], eax	492	mov [img_background], eax
486		493
487	mov [SLOT_BASE + 256 + APPDATA.dir_table], _sys_pdbr + (0x100000000-OS_BASE)	494	mov [SLOT_BASE + 256 + APPDATA.dir_table], _sys_pdbr + (0x100000000-OS_BASE)
488		495
489	; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f	496	; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
490		497
491	call rerouteirqs	498	call rerouteirqs
492		499

Subversion Repositories Kolibri OS

(root)/kernel/branches/kolibri_pe/kernel.asm – Rev 1066 → 2971