WebSVN – Kolibri OS – Diff – /kernel/trunk/boot/bootvesa.inc


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;;                                                              ;;
;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License    ;;
;;                                                              ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision: 2455 $
 
struc VBE_VGAInfo {
  .VESASignature          dd ?    ; char
  .VESAVersion            dw ?    ; short
  .OemStringPtr           dd ?    ; char *
  .Capabilities           dd ?    ; ulong
  .VideoModePtr           dd ?    ; ulong
  .TotalMemory            dw ?    ; short
  ; VBE 2.0+
  .OemSoftwareRev         db ?    ; short
  .OemVendorNamePtr       dw ?    ; char *
  .OemProductNamePtr      dw ?    ; char *
  .OemProductRevPtr       dw ?    ; char *
  .reserved               rb 222  ; char
  .OemData                rb 256  ; char
}
 
struc VBE_ModeInfo {
  .ModeAttributes         dw ?    ; short
  .WinAAttributes         db ?    ; char
  .WinBAttributes         db ?    ; char
  .WinGranularity         dw ?    ; short
  .WinSize                dw ?    ; short
  .WinASegment            dw ?    ; ushort
  .WinBSegment            dw ?    ; ushort
  .WinFuncPtr             dd ?    ; void *
  .BytesPerScanLine       dw ?    ; short
  .XRes                   dw ?    ; short
  .YRes                   dw ?    ; short
  .XCharSize              db ?    ; char
  .YCharSize              db ?    ; char
  .NumberOfPlanes         db ?    ; char
  .BitsPerPixel           db ?    ; char
  .NumberOfBanks          db ?    ; char
  .MemoryModel            db ?    ; char
  .BankSize               db ?    ; char
  .NumberOfImagePages     db ?    ; char
  .res1                   db ?    ; char
  .RedMaskSize            db ?    ; char
  .RedFieldPosition       db ?    ; char
  .GreenMaskSize          db ?    ; char
  .GreenFieldPosition     db ?    ; char
  .BlueMaskSize           db ?    ; char
  .BlueFieldPosition      db ?    ; char
  .RsvedMaskSize          db ?    ; char
  .RsvedFieldPosition     db ?    ; char
  .DirectColorModeInfo    db ?    ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE
  ; VBE 2.0+
  .PhysBasePtr            dd ?    ; ulong
  .OffScreenMemOffset     dd ?    ; ulong
  .OffScreenMemSize       dw ?    ; short
  ; VBE 3.0+
  .LinbytesPerScanLine    dw ?    ; short
  .BankNumberOfImagePages db ?    ; char
  .LinNumberOfImagePages  db ?    ; char
  .LinRedMaskSize         db ?    ; char
  .LinRedFieldPosition    db ?    ; char
  .LingreenMaskSize       db ?    ; char
  .LinGreenFieldPosition  db ?    ; char
  .LinBlueMaskSize        db ?    ; char
  .LinBlueFieldPosition   db ?    ; char
  .LinRsvdMaskSize        db ?    ; char
  .LinRsvdFieldPosition   db ?    ; char
  .MaxPixelClock          dd ?    ; ulong
  .res2                   rb 190  ; char
}
 
virtual at $A000
  vi VBE_VGAInfo
  mi VBE_ModeInfo
modes_table:
end virtual
cursor_pos  dw 0         ;âðåìåííîå õðàíåíèå êóðñîðà.
home_cursor dw 0    ;current shows rows a table
end_cursor  dw 0     ;end of position current shows rows a table
scroll_start dw 0    ;start position of scroll bar
scroll_end  dw 0     ;end position of scroll bar
long_v_table equ 9   ;long of visible video table
size_of_step equ 10
scroll_area_size equ (long_v_table-2)
int2str:
        dec     bl
        jz      @f
        xor     edx, edx
        div     ecx
        push    edx
        call    int2str
        pop     eax
    @@:
        or      al, 0x30
        mov     [ds:di], al
        inc     di
        ret
 
int2strnz:
        cmp     eax, ecx
        jb      @f
        xor     edx, edx
        div     ecx
        push    edx
        call    int2strnz
        pop     eax
    @@:
        or      al, 0x30
        mov     [es:di], al
        inc     di
        ret
 
;-------------------------------------------------------
;Write message about incorrect v_mode and write message about jmp on swith v_mode
v_mode_error:
        _setcursor 19,2
        mov     si, fatalsel
        call    printplain
        _setcursor 20,2
        mov     si, pres_key
        call    printplain
        xor     eax, eax
        int     16h
        jmp     cfgmanager.d
;-------------------------------------------------------
;
 
 
 
;-------------------------------------------------------
print_vesa_info:
        _setcursor 5,2
 
        mov     [es:vi.VESASignature], 'VBE2'
        mov     ax, 0x4F00
        mov     di, vi     ;0xa000
        int     0x10
        or      ah, ah
        jz      @f
        mov     [es:vi.VESASignature], 'VESA'
        mov     ax, $4F00
        mov     di, vi
        int     0x10
        or      ah, ah
        jnz     .exit
  @@:
        cmp     [es:vi.VESASignature], 'VESA'
        jne     .exit
        cmp     [es:vi.VESAVersion], 0x0100
        jb      .exit
        jmp     .vesaok2
 
  .exit:
        mov     si, novesa
        call    printplain
        ret
 
  .vesaok2:
        mov     ax, [es:vi.VESAVersion]
        add     ax, '00'
 
        mov     [s_vesa.ver], ah
        mov     [s_vesa.ver+2], al
        mov     si, s_vesa
        call    printplain
 
        _setcursor 4,2
        mov     si, word[es:vi.OemStringPtr]
        mov     di, si
 
        push    ds
        mov     ds, word[es:vi.OemStringPtr+2]
        call    printplain
        pop     ds
 
        ret
;-----------------------------------------------------------------------------
 
calc_vmodes_table:
        pushad
 
;        push    0
;        pop     es
 
        lfs     si, [es:vi.VideoModePtr]
 
        mov     bx, modes_table
;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢
        mov     word [es:bx], 640
        mov     word [es:bx+2], 480
        mov     word [es:bx+6], 0x13
        
        mov     word [es:bx+10], 640
        mov     word [es:bx+12], 480
        mov     word [es:bx+16], 0x12
        add     bx, 20
  .next_mode:
        mov     cx, word [fs:si]; mode number
        cmp     cx, -1
        je      .modes_ok.2
 
        mov     ax, 0x4F01
        mov     di, mi
        int     0x10
 
        or      ah, ah
        jnz     .modes_ok.2;vesa_info.exit
 
        test    [es:mi.ModeAttributes], 00000001b  ;videomode support ?
        jz      @f
        test    [es:mi.ModeAttributes], 00010000b  ;picture ?
        jz      @f
        test    [es:mi.ModeAttributes], 10000000b  ;LFB ?
        jz      @f
 
        cmp     [es:mi.BitsPerPixel], 24        ;It show only videomodes to have support 24 and 32 bpp
        jb      @f
 
;        cmp     [es:mi.BitsPerPixel],16
;        jne     .l0
;        cmp     [es:mi.GreenMaskSize],5
;        jne     .l0
;        mov     [es:mi.BitsPerPixel],15
 
 
.l0:
        cmp     [es:mi.XRes], 640
        jb      @f
        cmp     [es:mi.YRes], 480
        jb      @f
;        cmp     [es:mi.BitsPerPixel],8
;        jb      @f
 
        mov     ax, [es:mi.XRes]
        mov     [es:bx+0], ax              ; +0[2] : resolution X
        mov     ax, [es:mi.YRes]
        mov     [es:bx+2], ax              ; +2[2] : resolution Y
        mov     ax, [es:mi.ModeAttributes]
        mov     [es:bx+4], ax              ; +4[2] : attributes
 
        cmp     [s_vesa.ver], '2'
;        jb      .lp1
        jb      @f    ; We do not use Vesa 1.2 mode is now
 
        or      cx, 0x4000 ; use LFB
.lp1:
        mov     [es:bx+6], cx              ; +6 : mode number
        movzx   ax, byte [es:mi.BitsPerPixel]
        mov     word [es:bx+8], ax              ; +8 : bits per pixel
        add     bx, size_of_step                ; size of record 
 
    @@:
        add     si, 2
        jmp     .next_mode
 
  .modes_ok.2:
 
        mov     word[es:bx], -1 ;end video table
        mov     word[end_cursor], bx    ;save end cursor position
;;;;;;;;;;;;;;;;;;
;Sort array
;        mov     si,modes_table
;.new_mode:
;        mov     ax,word [es:si]
;        cmp     ax,-1
;        je      .exxit
;        add     ax,word [es:si+2]
;        add     ax,word [es:si+8]
;        mov     bp,si
;.again:
;        add     bp,12
;        mov     bx,word [es:bp]
;        cmp     bx,-1
;        je      .exit
;        add     bx,word [es:bp+2]
;        add     bx,word [es:bp+8]
;        
;        cmp     ax,bx
;        ja      .loops
;        jmp     .again
;.loops: 
;        push    dword [es:si]
;        push    dword [es:si+4]
;        push    dword [es:si+8]
;        push    dword [es:bp]
;        push    dword [es:bp+4]
;        push    dword [es:bp+8]
;
;        pop     dword [es:si+8]
;        pop     dword [es:si+4]
;        pop     dword [es:si]
;        pop     dword [es:bp+8]
;        pop     dword [es:bp+4]
;        pop     dword [es:bp]
;        jmp     .new_mode
;
;.exit:  add     si,12
;        jmp     .new_mode
;.exxit:
        popad
        ret
 
;-----------------------------------------------------------------------------
 
draw_current_vmode:
        push    0
        pop     es
 
        mov     si, word [cursor_pos]
 
        cmp     word [es:si+6], 0x12
        je      .no_vesa_0x12
 
        cmp     word [es:si+6], 0x13
        je      .no_vesa_0x13
 
if defined extended_primary_loader
        mov     di, config_file_variables
else
        mov     di, loader_block_error
end if
        movzx   eax, word[es:si+0]
        mov     ecx, 10
        call    int2strnz
        mov     byte[es:di], 'x'
        inc     di
        movzx   eax, word[es:si+2]
        call    int2strnz
        mov     byte[es:di], 'x'
        inc     di
        movzx   eax, word[es:si+8]
        call    int2strnz
        mov     dword[es:di], 0x00000d0a
if defined extended_primary_loader
        mov     si, config_file_variables
else
        mov     si, loader_block_error
end if
        push    ds
        push    es
        pop     ds
        call    printplain
        pop     ds
        ret
.no_vesa_0x13:
        mov     si, mode0
        jmp     .print
.no_vesa_0x12:
        mov     si, mode9
.print:
        call    printplain
        ret
;-----------------------------------------------------------------------------
check_first_parm:
if defined extended_primary_loader
        mov     cx, [number_vm]
        jcxz    .novbemode
        mov     si, modes_table
.findvbemode:
        cmp     [es:si+6], cx
        jnz     @f
        cmp     word [es:si+8], 32
        je      .ok_found_mode
        cmp     word [es:si+8], 24
        je      .ok_found_mode
@@:
        add     si, size_of_step
        cmp     word [es:si], -1
        jnz     .findvbemode
.novbemode:
        mov     ax, [x_save]
        test    ax, ax
        jz      .zerro
        mov     bx, [y_save]
        mov     si, modes_table
        call    .loops
        test    ax, ax
        jz      .ok_found_mode
else
        mov     si, word [preboot_graph]
        test    si, si
        jnz     .no_zero         ;if no zero
end if
.zerro:
;        mov     ax,modes_table
;        mov     word [cursor_pos],ax
;        mov     word [home_cursor],ax
;        mov     word [preboot_graph],ax
;SET default video of mode first probe will fined a move of work 1024x768@32
 
        mov     ax, 1024
        mov     bx, 768
        mov     si, modes_table
        call    .loops
        test    ax, ax
        jz      .ok_found_mode
        mov     ax, 800
        mov     bx, 600
        mov     si, modes_table
        call    .loops
        test    ax, ax
        jz      .ok_found_mode
        mov     ax, 640
        mov     bx, 480
        mov     si, modes_table
        call    .loops
        test    ax, ax
        jz      .ok_found_mode
 
        mov     si, modes_table
if ~ defined extended_primary_loader
        jmp     .ok_found_mode
 
 
 
.no_zero:
        mov     bp, word [number_vm]
        cmp     bp, word [es:si+6]
        jz      .ok_found_mode
        mov     ax, word [x_save]
        mov     bx, word [y_save]
        mov     si, modes_table
        call    .loops
        test    ax, ax
        jz      .ok_found_mode
 
        mov     si, modes_table
;        cmp     ax,modes_table
;        jb      .zerro           ;check on correct if bellow
;        cmp     ax,word [end_cursor]
;        ja      .zerro           ;check on correct if anymore
end if
 
.ok_found_mode:
        mov     word [home_cursor], si
;        mov     word [cursor_pos],si
        mov     word [preboot_graph], si
        mov     ax, si
 
        mov     ecx, long_v_table
 
.loop:
        add     ax, size_of_step
        cmp     ax, word [end_cursor]
        jae     .next_step
        loop    .loop
.next_step:
        sub     ax, size_of_step*long_v_table
        cmp     ax, modes_table
        jae     @f
        mov     ax, modes_table
@@:
 
        mov     word [home_cursor], ax
        mov     si, [preboot_graph]
        mov     word [cursor_pos], si
 
        push    word [es:si]
        pop     word [x_save]
        push    word [es:si+2]
        pop     word [y_save]
        push    word [es:si+6]
        pop     word [number_vm]
 
        ret
;;;;;;;;;;;;;;;;;;;;;;;;;;;
.loops:
        cmp     ax, word [es:si]
        jne     .next
        cmp     bx, word [es:si+2]
        jne     .next
        cmp     word [es:si+8], 32
        je      .ok
        cmp     word [es:si+8], 24
        je      .ok
.next:
        add     si, size_of_step
        cmp     word [es:si], -1
        je      .exit
        jmp     .loops
.ok:
        xor     ax, ax
        ret
.exit:
        or      ax, -1
        ret
 
 
;-----------------------------------------------------------------------------
 
;default_vmode:
        
;-----------------------------------------------------------------------------
draw_vmodes_table:
        _setcursor 9, 2
        mov     si, gr_mode
        call    printplain
 
        mov     si, _st
        call    printplain
 
        push    word [cursor_pos]
        pop     ax
        push    word [home_cursor]
        pop     si
        mov     cx, si
 
        cmp     ax, si
        je      .ok
        jb      .low
 
 
        add     cx, size_of_step*long_v_table
        
        cmp     ax, cx
        jb      .ok
        
        sub     cx, size_of_step*long_v_table
        add     cx, size_of_step
        cmp     cx, word[end_cursor]
        jae     .ok
        add     si, size_of_step
        push    si
        pop     word [home_cursor]
        jmp     .ok
 
 
.low:
        sub     cx, size_of_step
        cmp     cx, modes_table
        jb      .ok
        push    cx
        push    cx
        pop     word [home_cursor]
        pop     si
 
 
.ok:
; calculate scroll position
        push    si
        mov     ax, [end_cursor]
        sub     ax, modes_table
        mov     bx, size_of_step
        cwd
        div     bx
        mov     si, ax          ; si = size of list
        mov     ax, [home_cursor]
        sub     ax, modes_table
        cwd
        div     bx
        mov     di, ax
        mov     ax, scroll_area_size*long_v_table
        cwd
        div     si
        test    ax, ax
        jnz     @f
        inc     ax
@@:
        cmp     al, scroll_area_size
        jb      @f
        mov     al, scroll_area_size
@@:
        mov     cx, ax
; cx = scroll height
; calculate scroll pos
        xor     bx, bx          ; initialize scroll pos
        sub     al, scroll_area_size+1
        neg     al
        sub     si, long_v_table-1
        jbe     @f
        mul     di
        div     si
        mov     bx, ax
@@:
        inc     bx
        imul    ax, bx, size_of_step
        add     ax, [home_cursor]
        mov     [scroll_start], ax
        imul    cx, size_of_step
        add     ax, cx
        mov     [scroll_end], ax
        pop     si
        mov     bp, long_v_table              ;show rows
.@@_next_bit:
;clear cursor
        mov     ax, '  '
        mov     word[ds:_r1+21], ax
        mov     word[ds:_r1+50], ax
 
        mov     word[ds:_r2+21], ax
        mov     word[ds:_r2+45], ax
 
        mov     word[ds:_rs+21], ax
        mov     word[ds:_rs+46], ax
; draw string
        cmp     word [es:si+6], 0x12
        je      .show_0x12
        cmp     word [es:si+6], 0x13
        je      .show_0x13
 
        movzx   eax, word[es:si]
        cmp     ax, -1
        je      .@@_end
        mov     di, _rs+23
        mov     ecx, 10
        mov     bl, 4
        call    int2str
        movzx   eax, word[es:si+2]
        inc     di
        mov     bl, 4
        call    int2str
 
        movzx   eax, word[es:si+8]
        inc     di
        mov     bl, 2
        call    int2str
 
        cmp     si, word [cursor_pos]
        jne     .next
;draw   cursor
        mov     word[ds:_rs+21], '>>'
        mov     word[ds:_rs+46], '<<'
        
 
 
.next:
        push    si
        mov     si, _rs
.@@_sh:
; add to the string pseudographics for scrollbar
        pop     bx
        push    bx
        mov     byte [si+53], ' '
        cmp     bx, [scroll_start]
        jb      @f
        cmp     bx, [scroll_end]
        jae     @f
        mov     byte [si+53], 0xDB ; filled bar
@@:
        push    bx
        add     bx, size_of_step
        cmp     bx, [end_cursor]
        jnz     @f
        mov     byte [si+53], 31 ; 'down arrow' symbol
@@:
        sub     bx, [home_cursor]
        cmp     bx, size_of_step*long_v_table
        jnz     @f
        mov     byte [si+53], 31 ; 'down arrow' symbol
@@:
        pop     bx
        cmp     bx, [home_cursor]
        jnz     @f
        mov     byte [si+53], 30 ; 'up arrow' symbol
@@:
        call    printplain
        pop     si
        add     si, size_of_step
 
        dec     bp
        jnz     .@@_next_bit
 
.@@_end:
        mov     si, _bt
        call    printplain
        ret
.show_0x13:
        push    si
 
        cmp     si, word [cursor_pos]
        jne     @f
        mov     word[ds:_r1+21], '>>'
        mov     word[ds:_r1+50], '<<'
@@:
        mov     si, _r1
        jmp     .@@_sh
.show_0x12:
        push    si
        cmp     si, word [cursor_pos]
        jne     @f
 
        mov     word[ds:_r2+21], '>>'
        mov     word[ds:_r2+45], '<<'
@@:
        mov     si, _r2
        jmp     .@@_sh
 
;-----------------------------------------------------------------------------
;Clear arrea of current video page (0xb800)
clear_vmodes_table:
        pusha
       ; draw frames
        push    es
        push    0xb800
        pop     es
        mov     di, 1444
        xor     ax, ax
        mov     ah, 1*16+15
        mov     cx, 70
        mov     bp, 12
.loop_start:
        rep stosw
        mov     cx, 70
        add     di, 20
        dec     bp
        jns     .loop_start
        pop     es
        popa
        ret
 
;-----------------------------------------------------------------------------
 
set_vmode:
        push    0 ;0;x1000
        pop     es
 
        mov     si, word [preboot_graph]           ;[preboot_graph]
        mov     cx, word [es:si+6]           ; number of mode
        
 
        mov     ax, word [es:si+0]           ; resolution X
        mov     bx, word [es:si+2]           ; resolution Y
 
 
        mov     word [es:0x900A], ax             ; resolution X
        mov     word [es:0x900C], bx             ; resolution Y
        mov     word [es:0x9008], cx             ; number of mode
 
        cmp     cx, 0x12
        je      .mode0x12_0x13
        cmp     cx, 0x13
        je      .mode0x12_0x13
 
 
;        cmp     byte [s_vesa.ver], '2'
;        jb      .vesa12
 
;  VESA 2 and Vesa 3
 
        mov     ax, 0x4f01
        and     cx, 0xfff
        mov     di, mi;0xa000
        int     0x10
        ; LFB
        mov     eax, [es:mi.PhysBasePtr];di+0x28]
        mov     [es:0x9018], eax
        ; ---- vbe voodoo
        BytesPerLine equ 0x10
        mov     ax, [es:di+BytesPerLine]
        mov     [es:0x9001], ax
        ; BPP
        cmp     [es:mi.BitsPerPixel], 16
        jne     .l0
        cmp     [es:mi.GreenMaskSize], 5
        jne     .l0
        mov     [es:mi.BitsPerPixel], 15
.l0:
        mov     al, byte [es:di+0x19]
        mov     [es:0x9000], al
        jmp     .exit
 
.mode0x12_0x13:
        mov     byte [es:0x9000], 32
        or      dword [es:0x9018], 0xFFFFFFFF; 0x800000
 
 
;  VESA 1.2 PM BANK SWITCH ADDRESS
 
;.vesa12:
;        mov     ax, 0x4f0A
;        xor     bx, bx
;        int     0x10
;        xor     eax, eax
;        xor     ebx, ebx
;        mov     ax, es
;        shl     eax, 4
;        mov     bx, di
;        add     eax, ebx
;        movzx   ebx, word[es:di]
;        add     eax, ebx
;        push    0x0000
;        pop     es
;        mov     [es:0x9014], eax
  .exit:
        ret
 
 
;        mov     dword[es:0x9018],0x000A0000
;        ret
 
;=============================================================================
;=============================================================================
;=============================================================================
@@:
>
@@:
>
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>
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>
>
>

Rev 2407	Rev 2455
1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2	;; ;;	2	;; ;;
3	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;	3	;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
4	;; Distributed under terms of the GNU General Public License ;;	4	;; Distributed under terms of the GNU General Public License ;;
5	;; ;;	5	;; ;;
6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
7		7
8	$Revision: 2407 $	8	$Revision: 2455 $
9		9
10	struc VBE_VGAInfo {	10	struc VBE_VGAInfo {
11	.VESASignature dd ? ; char	11	.VESASignature dd ? ; char
12	.VESAVersion dw ? ; short	12	.VESAVersion dw ? ; short
13	.OemStringPtr dd ? ; char *	13	.OemStringPtr dd ? ; char *
14	.Capabilities dd ? ; ulong	14	.Capabilities dd ? ; ulong
15	.VideoModePtr dd ? ; ulong	15	.VideoModePtr dd ? ; ulong
16	.TotalMemory dw ? ; short	16	.TotalMemory dw ? ; short
17	; VBE 2.0+	17	; VBE 2.0+
18	.OemSoftwareRev db ? ; short	18	.OemSoftwareRev db ? ; short
19	.OemVendorNamePtr dw ? ; char *	19	.OemVendorNamePtr dw ? ; char *
20	.OemProductNamePtr dw ? ; char *	20	.OemProductNamePtr dw ? ; char *
21	.OemProductRevPtr dw ? ; char *	21	.OemProductRevPtr dw ? ; char *
22	.reserved rb 222 ; char	22	.reserved rb 222 ; char
23	.OemData rb 256 ; char	23	.OemData rb 256 ; char
24	}	24	}
25		25
26	struc VBE_ModeInfo {	26	struc VBE_ModeInfo {
27	.ModeAttributes dw ? ; short	27	.ModeAttributes dw ? ; short
28	.WinAAttributes db ? ; char	28	.WinAAttributes db ? ; char
29	.WinBAttributes db ? ; char	29	.WinBAttributes db ? ; char
30	.WinGranularity dw ? ; short	30	.WinGranularity dw ? ; short
31	.WinSize dw ? ; short	31	.WinSize dw ? ; short
32	.WinASegment dw ? ; ushort	32	.WinASegment dw ? ; ushort
33	.WinBSegment dw ? ; ushort	33	.WinBSegment dw ? ; ushort
34	.WinFuncPtr dd ? ; void *	34	.WinFuncPtr dd ? ; void *
35	.BytesPerScanLine dw ? ; short	35	.BytesPerScanLine dw ? ; short
36	.XRes dw ? ; short	36	.XRes dw ? ; short
37	.YRes dw ? ; short	37	.YRes dw ? ; short
38	.XCharSize db ? ; char	38	.XCharSize db ? ; char
39	.YCharSize db ? ; char	39	.YCharSize db ? ; char
40	.NumberOfPlanes db ? ; char	40	.NumberOfPlanes db ? ; char
41	.BitsPerPixel db ? ; char	41	.BitsPerPixel db ? ; char
42	.NumberOfBanks db ? ; char	42	.NumberOfBanks db ? ; char
43	.MemoryModel db ? ; char	43	.MemoryModel db ? ; char
44	.BankSize db ? ; char	44	.BankSize db ? ; char
45	.NumberOfImagePages db ? ; char	45	.NumberOfImagePages db ? ; char
46	.res1 db ? ; char	46	.res1 db ? ; char
47	.RedMaskSize db ? ; char	47	.RedMaskSize db ? ; char
48	.RedFieldPosition db ? ; char	48	.RedFieldPosition db ? ; char
49	.GreenMaskSize db ? ; char	49	.GreenMaskSize db ? ; char
50	.GreenFieldPosition db ? ; char	50	.GreenFieldPosition db ? ; char
51	.BlueMaskSize db ? ; char	51	.BlueMaskSize db ? ; char
52	.BlueFieldPosition db ? ; char	52	.BlueFieldPosition db ? ; char
53	.RsvedMaskSize db ? ; char	53	.RsvedMaskSize db ? ; char
54	.RsvedFieldPosition db ? ; char	54	.RsvedFieldPosition db ? ; char
55	.DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE	55	.DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE
56	; VBE 2.0+	56	; VBE 2.0+
57	.PhysBasePtr dd ? ; ulong	57	.PhysBasePtr dd ? ; ulong
58	.OffScreenMemOffset dd ? ; ulong	58	.OffScreenMemOffset dd ? ; ulong
59	.OffScreenMemSize dw ? ; short	59	.OffScreenMemSize dw ? ; short
60	; VBE 3.0+	60	; VBE 3.0+
61	.LinbytesPerScanLine dw ? ; short	61	.LinbytesPerScanLine dw ? ; short
62	.BankNumberOfImagePages db ? ; char	62	.BankNumberOfImagePages db ? ; char
63	.LinNumberOfImagePages db ? ; char	63	.LinNumberOfImagePages db ? ; char
64	.LinRedMaskSize db ? ; char	64	.LinRedMaskSize db ? ; char
65	.LinRedFieldPosition db ? ; char	65	.LinRedFieldPosition db ? ; char
66	.LingreenMaskSize db ? ; char	66	.LingreenMaskSize db ? ; char
67	.LinGreenFieldPosition db ? ; char	67	.LinGreenFieldPosition db ? ; char
68	.LinBlueMaskSize db ? ; char	68	.LinBlueMaskSize db ? ; char
69	.LinBlueFieldPosition db ? ; char	69	.LinBlueFieldPosition db ? ; char
70	.LinRsvdMaskSize db ? ; char	70	.LinRsvdMaskSize db ? ; char
71	.LinRsvdFieldPosition db ? ; char	71	.LinRsvdFieldPosition db ? ; char
72	.MaxPixelClock dd ? ; ulong	72	.MaxPixelClock dd ? ; ulong
73	.res2 rb 190 ; char	73	.res2 rb 190 ; char
74	}	74	}
75		75
76	virtual at $A000	76	virtual at $A000
77	vi VBE_VGAInfo	77	vi VBE_VGAInfo
78	mi VBE_ModeInfo	78	mi VBE_ModeInfo
79	modes_table:	79	modes_table:
80	end virtual	80	end virtual
81	cursor_pos dw 0 ;âðåìåííîå õðàíåíèå êóðñîðà.	81	cursor_pos dw 0 ;âðåìåííîå õðàíåíèå êóðñîðà.
82	home_cursor dw 0 ;current shows rows a table	82	home_cursor dw 0 ;current shows rows a table
83	end_cursor dw 0 ;end of position current shows rows a table	83	end_cursor dw 0 ;end of position current shows rows a table
84	scroll_start dw 0 ;start position of scroll bar	84	scroll_start dw 0 ;start position of scroll bar
85	scroll_end dw 0 ;end position of scroll bar	85	scroll_end dw 0 ;end position of scroll bar
86	long_v_table equ 9 ;long of visible video table	86	long_v_table equ 9 ;long of visible video table
87	size_of_step equ 10	87	size_of_step equ 10
88	scroll_area_size equ (long_v_table-2)	88	scroll_area_size equ (long_v_table-2)
89	int2str:	89	int2str:
90	dec bl	90	dec bl
91	jz @f	91	jz @f
92	xor edx, edx	92	xor edx, edx
93	div ecx	93	div ecx
94	push edx	94	push edx
95	call int2str	95	call int2str
96	pop eax	96	pop eax
97	@@:	97	@@:
98	or al, 0x30	98	or al, 0x30
99	mov [ds:di], al	99	mov [ds:di], al
100	inc di	100	inc di
101	ret	101	ret
102		102
103	int2strnz:	103	int2strnz:
104	cmp eax, ecx	104	cmp eax, ecx
105	jb @f	105	jb @f
106	xor edx, edx	106	xor edx, edx
107	div ecx	107	div ecx
108	push edx	108	push edx
109	call int2strnz	109	call int2strnz
110	pop eax	110	pop eax
111	@@:	111	@@:
112	or al, 0x30	112	or al, 0x30
113	mov [es:di], al	113	mov [es:di], al
114	inc di	114	inc di
115	ret	115	ret
116		116
117	;-------------------------------------------------------	117	;-------------------------------------------------------
118	;Write message about incorrect v_mode and write message about jmp on swith v_mode	118	;Write message about incorrect v_mode and write message about jmp on swith v_mode
119	v_mode_error:	119	v_mode_error:
120	_setcursor 19,2	120	_setcursor 19,2
121	mov si, fatalsel	121	mov si, fatalsel
122	call printplain	122	call printplain
123	_setcursor 20,2	123	_setcursor 20,2
124	mov si, pres_key	124	mov si, pres_key
125	call printplain	125	call printplain
126	xor eax, eax	126	xor eax, eax
127	int 16h	127	int 16h
128	jmp cfgmanager.d	128	jmp cfgmanager.d
129	;-------------------------------------------------------	129	;-------------------------------------------------------
130	;	130	;
131		131
132		132
133		133
134	;-------------------------------------------------------	134	;-------------------------------------------------------
135	print_vesa_info:	135	print_vesa_info:
136	_setcursor 5,2	136	_setcursor 5,2
137		137
138	mov [es:vi.VESASignature], 'VBE2'	138	mov [es:vi.VESASignature], 'VBE2'
139	mov ax, 0x4F00	139	mov ax, 0x4F00
140	mov di, vi ;0xa000	140	mov di, vi ;0xa000
141	int 0x10	141	int 0x10
142	or ah, ah	142	or ah, ah
143	jz @f	143	jz @f
144	mov [es:vi.VESASignature], 'VESA'	144	mov [es:vi.VESASignature], 'VESA'
145	mov ax, $4F00	145	mov ax, $4F00
146	mov di, vi	146	mov di, vi
147	int 0x10	147	int 0x10
148	or ah, ah	148	or ah, ah
149	jnz .exit	149	jnz .exit
150	@@:	150	@@:
151	cmp [es:vi.VESASignature], 'VESA'	151	cmp [es:vi.VESASignature], 'VESA'
152	jne .exit	152	jne .exit
153	cmp [es:vi.VESAVersion], 0x0100	153	cmp [es:vi.VESAVersion], 0x0100
154	jb .exit	154	jb .exit
155	jmp .vesaok2	155	jmp .vesaok2
156		156
157	.exit:	157	.exit:
158	mov si, novesa	158	mov si, novesa
159	call printplain	159	call printplain
160	ret	160	ret
161		161
162	.vesaok2:	162	.vesaok2:
163	mov ax, [es:vi.VESAVersion]	163	mov ax, [es:vi.VESAVersion]
164	add ax, '00'	164	add ax, '00'
165		165
166	mov [s_vesa.ver], ah	166	mov [s_vesa.ver], ah
167	mov [s_vesa.ver+2], al	167	mov [s_vesa.ver+2], al
168	mov si, s_vesa	168	mov si, s_vesa
169	call printplain	169	call printplain
170		170
171	_setcursor 4,2	171	_setcursor 4,2
172	mov si, word[es:vi.OemStringPtr]	172	mov si, word[es:vi.OemStringPtr]
173	mov di, si	173	mov di, si
174		174
175	push ds	175	push ds
176	mov ds, word[es:vi.OemStringPtr+2]	176	mov ds, word[es:vi.OemStringPtr+2]
177	call printplain	177	call printplain
178	pop ds	178	pop ds
179		179
180	ret	180	ret
181	;-----------------------------------------------------------------------------	181	;-----------------------------------------------------------------------------
182		182
183	calc_vmodes_table:	183	calc_vmodes_table:
184	pushad	184	pushad
185		185
186	; push 0	186	; push 0
187	; pop es	187	; pop es
188		188
189	lfs si, [es:vi.VideoModePtr]	189	lfs si, [es:vi.VideoModePtr]
190		190
191	mov bx, modes_table	191	mov bx, modes_table
192	;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢	192	;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢
193	mov word [es:bx], 640	193	mov word [es:bx], 640
194	mov word [es:bx+2], 480	194	mov word [es:bx+2], 480
195	mov word [es:bx+6], 0x13	195	mov word [es:bx+6], 0x13
196		196
197	mov word [es:bx+10], 640	197	mov word [es:bx+10], 640
198	mov word [es:bx+12], 480	198	mov word [es:bx+12], 480
199	mov word [es:bx+16], 0x12	199	mov word [es:bx+16], 0x12
200	add bx, 20	200	add bx, 20
201	.next_mode:	201	.next_mode:
202	mov cx, word [fs:si]; mode number	202	mov cx, word [fs:si]; mode number
203	cmp cx, -1	203	cmp cx, -1
204	je .modes_ok.2	204	je .modes_ok.2
205		205
206	mov ax, 0x4F01	206	mov ax, 0x4F01
207	mov di, mi	207	mov di, mi
208	int 0x10	208	int 0x10
209		209
210	or ah, ah	210	or ah, ah
211	jnz .modes_ok.2;vesa_info.exit	211	jnz .modes_ok.2;vesa_info.exit
212		212
213	test [es:mi.ModeAttributes], 00000001b ;videomode support ?	213	test [es:mi.ModeAttributes], 00000001b ;videomode support ?
214	jz @f	214	jz @f
215	test [es:mi.ModeAttributes], 00010000b ;picture ?	215	test [es:mi.ModeAttributes], 00010000b ;picture ?
216	jz @f	216	jz @f
217	test [es:mi.ModeAttributes], 10000000b ;LFB ?	217	test [es:mi.ModeAttributes], 10000000b ;LFB ?
218	jz @f	218	jz @f
219		219
220	cmp [es:mi.BitsPerPixel], 24 ;It show only videomodes to have support 24 and 32 bpp	220	cmp [es:mi.BitsPerPixel], 24 ;It show only videomodes to have support 24 and 32 bpp
221	jb @f	221	jb @f
222		222
223	; cmp [es:mi.BitsPerPixel],16	223	; cmp [es:mi.BitsPerPixel],16
224	; jne .l0	224	; jne .l0
225	; cmp [es:mi.GreenMaskSize],5	225	; cmp [es:mi.GreenMaskSize],5
226	; jne .l0	226	; jne .l0
227	; mov [es:mi.BitsPerPixel],15	227	; mov [es:mi.BitsPerPixel],15
228		228
229		229
230	.l0:	230	.l0:
231	cmp [es:mi.XRes], 640	231	cmp [es:mi.XRes], 640
232	jb @f	232	jb @f
233	cmp [es:mi.YRes], 480	233	cmp [es:mi.YRes], 480
234	jb @f	234	jb @f
235	; cmp [es:mi.BitsPerPixel],8	235	; cmp [es:mi.BitsPerPixel],8
236	; jb @f	236	; jb @f
237		237
238	mov ax, [es:mi.XRes]	238	mov ax, [es:mi.XRes]
239	mov [es:bx+0], ax ; +0[2] : resolution X	239	mov [es:bx+0], ax ; +0[2] : resolution X
240	mov ax, [es:mi.YRes]	240	mov ax, [es:mi.YRes]
241	mov [es:bx+2], ax ; +2[2] : resolution Y	241	mov [es:bx+2], ax ; +2[2] : resolution Y
242	mov ax, [es:mi.ModeAttributes]	242	mov ax, [es:mi.ModeAttributes]
243	mov [es:bx+4], ax ; +4[2] : attributes	243	mov [es:bx+4], ax ; +4[2] : attributes
244		244
245	cmp [s_vesa.ver], '2'	245	cmp [s_vesa.ver], '2'
246	; jb .lp1	246	; jb .lp1
247	jb @f ; We do not use Vesa 1.2 mode is now	247	jb @f ; We do not use Vesa 1.2 mode is now
248		248
249	or cx, 0x4000 ; use LFB	249	or cx, 0x4000 ; use LFB
250	.lp1:	250	.lp1:
251	mov [es:bx+6], cx ; +6 : mode number	251	mov [es:bx+6], cx ; +6 : mode number
252	movzx ax, byte [es:mi.BitsPerPixel]	252	movzx ax, byte [es:mi.BitsPerPixel]
253	mov word [es:bx+8], ax ; +8 : bits per pixel	253	mov word [es:bx+8], ax ; +8 : bits per pixel
254	add bx, size_of_step ; size of record	254	add bx, size_of_step ; size of record
255		255
256	@@:	256	@@:
257	add si, 2	257	add si, 2
258	jmp .next_mode	258	jmp .next_mode
259		259
260	.modes_ok.2:	260	.modes_ok.2:
261		261
262	mov word[es:bx], -1 ;end video table	262	mov word[es:bx], -1 ;end video table
263	mov word[end_cursor], bx ;save end cursor position	263	mov word[end_cursor], bx ;save end cursor position
264	;;;;;;;;;;;;;;;;;;	264	;;;;;;;;;;;;;;;;;;
265	;Sort array	265	;Sort array
266	; mov si,modes_table	266	; mov si,modes_table
267	;.new_mode:	267	;.new_mode:
268	; mov ax,word [es:si]	268	; mov ax,word [es:si]
269	; cmp ax,-1	269	; cmp ax,-1
270	; je .exxit	270	; je .exxit
271	; add ax,word [es:si+2]	271	; add ax,word [es:si+2]
272	; add ax,word [es:si+8]	272	; add ax,word [es:si+8]
273	; mov bp,si	273	; mov bp,si
274	;.again:	274	;.again:
275	; add bp,12	275	; add bp,12
276	; mov bx,word [es:bp]	276	; mov bx,word [es:bp]
277	; cmp bx,-1	277	; cmp bx,-1
278	; je .exit	278	; je .exit
279	; add bx,word [es:bp+2]	279	; add bx,word [es:bp+2]
280	; add bx,word [es:bp+8]	280	; add bx,word [es:bp+8]
281	;	281	;
282	; cmp ax,bx	282	; cmp ax,bx
283	; ja .loops	283	; ja .loops
284	; jmp .again	284	; jmp .again
285	;.loops:	285	;.loops:
286	; push dword [es:si]	286	; push dword [es:si]
287	; push dword [es:si+4]	287	; push dword [es:si+4]
288	; push dword [es:si+8]	288	; push dword [es:si+8]
289	; push dword [es:bp]	289	; push dword [es:bp]
290	; push dword [es:bp+4]	290	; push dword [es:bp+4]
291	; push dword [es:bp+8]	291	; push dword [es:bp+8]
292	;	292	;
293	; pop dword [es:si+8]	293	; pop dword [es:si+8]
294	; pop dword [es:si+4]	294	; pop dword [es:si+4]
295	; pop dword [es:si]	295	; pop dword [es:si]
296	; pop dword [es:bp+8]	296	; pop dword [es:bp+8]
297	; pop dword [es:bp+4]	297	; pop dword [es:bp+4]
298	; pop dword [es:bp]	298	; pop dword [es:bp]
299	; jmp .new_mode	299	; jmp .new_mode
300	;	300	;
301	;.exit: add si,12	301	;.exit: add si,12
302	; jmp .new_mode	302	; jmp .new_mode
303	;.exxit:	303	;.exxit:
304	popad	304	popad
305	ret	305	ret
306		306
307	;-----------------------------------------------------------------------------	307	;-----------------------------------------------------------------------------
308		308
309	draw_current_vmode:	309	draw_current_vmode:
310	push 0	310	push 0
311	pop es	311	pop es
312		312
313	mov si, word [cursor_pos]	313	mov si, word [cursor_pos]
314		314
315	cmp word [es:si+6], 0x12	315	cmp word [es:si+6], 0x12
316	je .no_vesa_0x12	316	je .no_vesa_0x12
317		317
318	cmp word [es:si+6], 0x13	318	cmp word [es:si+6], 0x13
319	je .no_vesa_0x13	319	je .no_vesa_0x13
320		320
321	if defined extended_primary_loader	321	if defined extended_primary_loader
322	mov di, config_file_variables	322	mov di, config_file_variables
323	else	323	else
324	mov di, loader_block_error	324	mov di, loader_block_error
325	end if	325	end if
326	movzx eax, word[es:si+0]	326	movzx eax, word[es:si+0]
327	mov ecx, 10	327	mov ecx, 10
328	call int2strnz	328	call int2strnz
329	mov byte[es:di], 'x'	329	mov byte[es:di], 'x'
330	inc di	330	inc di
331	movzx eax, word[es:si+2]	331	movzx eax, word[es:si+2]
332	call int2strnz	332	call int2strnz
333	mov byte[es:di], 'x'	333	mov byte[es:di], 'x'
334	inc di	334	inc di
335	movzx eax, word[es:si+8]	335	movzx eax, word[es:si+8]
336	call int2strnz	336	call int2strnz
337	mov dword[es:di], 0x00000d0a	337	mov dword[es:di], 0x00000d0a
338	if defined extended_primary_loader	338	if defined extended_primary_loader
339	mov si, config_file_variables	339	mov si, config_file_variables
340	else	340	else
341	mov si, loader_block_error	341	mov si, loader_block_error
342	end if	342	end if
343	push ds	343	push ds
344	push es	344	push es
345	pop ds	345	pop ds
346	call printplain	346	call printplain
347	pop ds	347	pop ds
348	ret	348	ret
349	.no_vesa_0x13:	349	.no_vesa_0x13:
350	mov si, mode0	350	mov si, mode0
351	jmp .print	351	jmp .print
352	.no_vesa_0x12:	352	.no_vesa_0x12:
353	mov si, mode9	353	mov si, mode9
354	.print:	354	.print:
355	call printplain	355	call printplain
356	ret	356	ret
357	;-----------------------------------------------------------------------------	357	;-----------------------------------------------------------------------------
358	check_first_parm:	358	check_first_parm:
359	if defined extended_primary_loader	359	if defined extended_primary_loader
360	mov cx, [number_vm]	360	mov cx, [number_vm]
361	jcxz .novbemode	361	jcxz .novbemode
362	mov si, modes_table	362	mov si, modes_table
363	.findvbemode:	363	.findvbemode:
364	cmp [es:si+6], cx	364	cmp [es:si+6], cx
365	jnz @f	365	jnz @f
366	cmp word [es:si+8], 32	366	cmp word [es:si+8], 32
367	je .ok_found_mode	367	je .ok_found_mode
368	cmp word [es:si+8], 24	368	cmp word [es:si+8], 24
369	je .ok_found_mode	369	je .ok_found_mode
370	@@:	370	@@:
371	add si, size_of_step	371	add si, size_of_step
372	cmp word [es:si], -1	372	cmp word [es:si], -1
373	jnz .findvbemode	373	jnz .findvbemode
374	.novbemode:	374	.novbemode:
375	mov ax, [x_save]	375	mov ax, [x_save]
376	test ax, ax	376	test ax, ax
377	jz .zerro	377	jz .zerro
378	mov bx, [y_save]	378	mov bx, [y_save]
379	mov si, modes_table	379	mov si, modes_table
380	call .loops	380	call .loops
381	test ax, ax	381	test ax, ax
382	jz .ok_found_mode	382	jz .ok_found_mode
383	else	383	else
384	mov si, word [preboot_graph]	384	mov si, word [preboot_graph]
385	test si, si	385	test si, si
386	jnz .no_zero ;if no zero	386	jnz .no_zero ;if no zero
387	end if	387	end if
388	.zerro:	388	.zerro:
389	; mov ax,modes_table	389	; mov ax,modes_table
390	; mov word [cursor_pos],ax	390	; mov word [cursor_pos],ax
391	; mov word [home_cursor],ax	391	; mov word [home_cursor],ax
392	; mov word [preboot_graph],ax	392	; mov word [preboot_graph],ax
393	;SET default video of mode first probe will fined a move of work 1024x768@32	393	;SET default video of mode first probe will fined a move of work 1024x768@32
394		394
395	mov ax, 1024	395	mov ax, 1024
396	mov bx, 768	396	mov bx, 768
397	mov si, modes_table	397	mov si, modes_table
398	call .loops	398	call .loops
399	test ax, ax	399	test ax, ax
400	jz .ok_found_mode	400	jz .ok_found_mode
401	mov ax, 800	401	mov ax, 800
402	mov bx, 600	402	mov bx, 600
403	mov si, modes_table	403	mov si, modes_table
404	call .loops	404	call .loops
405	test ax, ax	405	test ax, ax
406	jz .ok_found_mode	406	jz .ok_found_mode
407	mov ax, 640	407	mov ax, 640
408	mov bx, 480	408	mov bx, 480
409	mov si, modes_table	409	mov si, modes_table
410	call .loops	410	call .loops
411	test ax, ax	411	test ax, ax
412	jz .ok_found_mode	412	jz .ok_found_mode
413		413
414	mov si, modes_table	414	mov si, modes_table
415	if ~ defined extended_primary_loader	415	if ~ defined extended_primary_loader
416	jmp .ok_found_mode	416	jmp .ok_found_mode
417		417
418		418
419		419
420	.no_zero:	420	.no_zero:
421	mov bp, word [number_vm]	421	mov bp, word [number_vm]
422	cmp bp, word [es:si+6]	422	cmp bp, word [es:si+6]
423	jz .ok_found_mode	423	jz .ok_found_mode
424	mov ax, word [x_save]	424	mov ax, word [x_save]
425	mov bx, word [y_save]	425	mov bx, word [y_save]
426	mov si, modes_table	426	mov si, modes_table
427	call .loops	427	call .loops
428	test ax, ax	428	test ax, ax
429	jz .ok_found_mode	429	jz .ok_found_mode
430		430
431	mov si, modes_table	431	mov si, modes_table
432	; cmp ax,modes_table	432	; cmp ax,modes_table
433	; jb .zerro ;check on correct if bellow	433	; jb .zerro ;check on correct if bellow
434	; cmp ax,word [end_cursor]	434	; cmp ax,word [end_cursor]
435	; ja .zerro ;check on correct if anymore	435	; ja .zerro ;check on correct if anymore
436	end if	436	end if
437		437
438	.ok_found_mode:	438	.ok_found_mode:
439	mov word [home_cursor], si	439	mov word [home_cursor], si
440	; mov word [cursor_pos],si	440	; mov word [cursor_pos],si
441	mov word [preboot_graph], si	441	mov word [preboot_graph], si
442	mov ax, si	442	mov ax, si
443		443
444	mov ecx, long_v_table	444	mov ecx, long_v_table
445		445
446	.loop:	446	.loop:
447	add ax, size_of_step	447	add ax, size_of_step
448	cmp ax, word [end_cursor]	448	cmp ax, word [end_cursor]
449	jae .next_step	449	jae .next_step
450	loop .loop	450	loop .loop
451	.next_step:	451	.next_step:
452	sub ax, size_of_step*long_v_table	452	sub ax, size_of_step*long_v_table
453	cmp ax, modes_table	453	cmp ax, modes_table
454	jae @f	454	jae @f
455	mov ax, modes_table	455	mov ax, modes_table
456	@@:	456	@@:
457		457
458	mov word [home_cursor], ax	458	mov word [home_cursor], ax
459	mov si, [preboot_graph]	459	mov si, [preboot_graph]
460	mov word [cursor_pos], si	460	mov word [cursor_pos], si
461		461
462	push word [es:si]	462	push word [es:si]
463	pop word [x_save]	463	pop word [x_save]
464	push word [es:si+2]	464	push word [es:si+2]
465	pop word [y_save]	465	pop word [y_save]
466	push word [es:si+6]	466	push word [es:si+6]
467	pop word [number_vm]	467	pop word [number_vm]
468		468
469	ret	469	ret
470	;;;;;;;;;;;;;;;;;;;;;;;;;;;	470	;;;;;;;;;;;;;;;;;;;;;;;;;;;
471	.loops:	471	.loops:
472	cmp ax, word [es:si]	472	cmp ax, word [es:si]
473	jne .next	473	jne .next
474	cmp bx, word [es:si+2]	474	cmp bx, word [es:si+2]
475	jne .next	475	jne .next
476	cmp word [es:si+8], 32	476	cmp word [es:si+8], 32
477	je .ok	477	je .ok
478	cmp word [es:si+8], 24	478	cmp word [es:si+8], 24
479	je .ok	479	je .ok
480	.next:	480	.next:
481	add si, size_of_step	481	add si, size_of_step
482	cmp word [es:si], -1	482	cmp word [es:si], -1
483	je .exit	483	je .exit
484	jmp .loops	484	jmp .loops
485	.ok:	485	.ok:
486	xor ax, ax	486	xor ax, ax
487	ret	487	ret
488	.exit:	488	.exit:
489	or ax, -1	489	or ax, -1
490	ret	490	ret
491		491
492		492
493	;-----------------------------------------------------------------------------	493	;-----------------------------------------------------------------------------
494		494
495	;default_vmode:	495	;default_vmode:
496		496
497	;-----------------------------------------------------------------------------	497	;-----------------------------------------------------------------------------
498	draw_vmodes_table:	498	draw_vmodes_table:
499	_setcursor 9, 2	499	_setcursor 9, 2
500	mov si, gr_mode	500	mov si, gr_mode

Subversion Repositories Kolibri OS

(root)/kernel/trunk/boot/bootvesa.inc – Rev 2407 → 2455