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Rev 19 Rev 21
Line 638... Line 638...
638 
        call boot_log
 638 
        call boot_log
639 
        ; name for OS/IDLE process
 639 
        ; name for OS/IDLE process
640 
        mov  [0x80000+256+0],dword 'OS/I'
 640 
        mov  [0x80000+256+0],dword 'OS/I'
641 
        mov  [0x80000+256+4],dword 'DLE '
 641 
        mov  [0x80000+256+4],dword 'DLE '
642 
        ; task list
 642 
        ; task list
643 
        mov  [0x3004],dword 2         ; number of processes
 - 
 
644 
        mov  [0x3000],dword 0         ; process count - start with os task
 - 
 
645 
        mov  [0x3020+0xE],byte  1     ; on screen number
 643 
        mov  [0x3020+0xE],byte  1     ; on screen number
646 
        mov  [0x3020+0x4],dword 1     ; process id number
 644 
        mov  [0x3020+0x4],dword 1     ; process id number
- 
 
 645 
        mov  [0x3020+0x10], dword 0   ; process base address
Line 647... Line 646...
647 
 
 646 
 
648 
        ; set default flags & stacks
 647 
        ; set default flags & stacks
649 
        mov  [l.eflags],dword 0x11202 ; sti and resume
 648 
        mov  [l.eflags],dword 0x11202 ; sti and resume
650 
        mov  [l.ss0], os_data
 649 
        mov  [l.ss0], os_data
Line 716... Line 715...
716 
 
 715 
 
Line 717... Line 716...
717 
        call  enable_mtrr
 716 
        call  enable_mtrr
718 
 
 717 
 
719 
 
 718 
 
720 
; LOAD FIRST APPLICATION
 719 
; LOAD FIRST APPLICATION
721 
        mov   [0x3000],dword 1 ;1
 720 
        mov   [0x3000],dword 1
722 
        mov   [0x3004],dword 1 ;1
 721 
        mov   [0x3004],dword 1
723 
        cli
 722 
        cli
724 
        mov   al,[0x2f0000+0x9030]
 723 
        mov   al,[0x2f0000+0x9030]
725 
        cmp   al,1
 724 
        cmp   al,1
726 
        jne   no_load_vrr_m
 725 
        jne   no_load_vrr_m
727 
        mov   eax,vrr_m
 726 
        mov   eax,vrr_m
Line 728... Line 727...
728 
        call  start_application_fl
 727 
        call  start_application_fl
729 
        cmp   eax,2                  ; if no vrr_m app found
 728 
        cmp   eax,2                  ; if vrr_m app found (PID=2)
730 
        je    first_app_found
 729 
        je    first_app_found
Line 731... Line 730...
731
730
732 
    no_load_vrr_m:
731 
    no_load_vrr_m:
733 
        mov   eax,firstapp
 732 
        mov   eax,firstapp
734 
        call  start_application_fl
 733 
        call  start_application_fl
735 
 
 734 
 
736 
        cmp   eax,2                  ; if no first app found - halt
 735 
        cmp   eax,2                  ; continue if a process has been loaded
Line 737... Line 736...
737 
        je    first_app_found
 736 
        je    first_app_found
738 
        mov   eax, 0xDEADBEEF
 737 
        mov   eax, 0xDEADBEEF        ; otherwise halt
739 
        hlt    ;jmp   $
 - 
 
740 
      first_app_found:
 - 
 
741 
        cli
 - 
 
Line 742... Line -...
742 
 
 - 
 
743 
        mov   [0x3004],dword 2
 - 
 
744 
        mov   [0x3000],dword 1
 - 
 
745 
 
 - 
 
Line -... Line 738...
- 
 
 738 
        hlt
746 
 
 739 
      first_app_found:
747 
; START MULTITASKING
 740 
        cli
Line -... Line 741...
- 
 
 741 
 
748 
 
 742 
        ;mov   [0x3004],dword 2
749 
        mov   esi,boot_tasking
 743 
        mov   [0x3000],dword 1       ; set OS task fisrt
750 
        call  boot_log
 - 
 
751 
 
 744 
 
752 
        mov   [0xe000],byte 1        ; multitasking enabled
 745 
 
753 
 
 - 
 
754 
    mov   al, 0xf6         ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå
 746 
; SET KEYBOARD PARAMETERS
Line 755... Line -...
755 
        call  kb_write
 - 
 
756 
 
 747 
        mov   al, 0xf6         ; reset keyboard, scan enabled
757 
        mov     ecx,0
 748 
        call  kb_write
758 
wait_loop_1:       ; variant 2
 749 
 
759 
; ÷èòàåì ïîðò ñîñòîÿíèÿ ïðîöåññîðà 8042
 750 
        ; wait until 8042 is ready
760 
        in      al,64h
751 
        mov    ecx,0
Line 778... Line 769...
778 
        call  kb_read
 769 
        call  kb_read
779 
     ;// mike.dld [
 770 
     ;// mike.dld [
780 
        call  set_lights
 771 
        call  set_lights
781 
     ;// mike.dld ]
 772 
     ;// mike.dld ]
Line -... Line 773...
- 
 
 773 
 
- 
 
 774 
; START MULTITASKING
- 
 
 775 
 
- 
 
 776 
        mov   esi,boot_tasking
- 
 
 777 
        call  boot_log
- 
 
 778 
 
Line 782... Line 779...
782 
 
 779 
        mov   [0xe000],byte 1        ; multitasking enabled
Line 783... Line 780...
783 
 
 780 
 
784 
; UNMASK ALL IRQ'S
 781 
; UNMASK ALL IRQ'S
Line 833... Line 830...
833 
        call   check_fdd_motor_status
 830 
        call   check_fdd_motor_status
834 
        jmp    osloop
 831 
        jmp    osloop
Line 835... Line 832...
835 
 
 832 
 
836 
 
 - 
 
837 
checkidle:
 833 
 
Line 838... Line 834...
838 
 
 834 
checkidle:
839 
        pushad
 835 
        pushad
Line 3022... Line 3018...
3022 
       mov cr4,eax
 3018 
       mov cr4,eax
3023 
       mov [esp+36],eax
 3019 
       mov [esp+36],eax
3024 
ret
 3020 
ret
3025 
;---------------------------------------------------------------------------------------------
 3021 
;---------------------------------------------------------------------------------------------
Line 3026... Line -...
3026 
 
 - 
 
3027 
; check pixel limits
 - 
 
3028 
 
 - 
 
3029 
;cplimit:
 - 
 
3030 
;        push    edi
 - 
 
3031 
 
 - 
 
3032 
;        cmp     byte [0xe000], 1      ; Multitasking enabled?
 - 
 
3033 
;        jnz     .ret0
 - 
 
3034 
;        mov     edi,[0x3010]
 - 
 
3035 
;        add     edi, draw_data-0x3000
 - 
 
3036 
;        mov     ecx, 1
 - 
 
3037 
;        cmp     [edi+0], eax  ; xs
 - 
 
3038 
;        ja      .ret1
 - 
 
3039 
;        cmp     [edi+4], ebx  ; ys
 - 
 
3040 
;        ja      .ret1
 - 
 
3041 
;        cmp     eax, [edi+8]   ; xe
 - 
 
3042 
;        ja      .ret1
 - 
 
3043 
;        cmp     ebx, [edi+12] ; ye
 - 
 
3044 
;        ja      .ret1
 - 
 
3045 
 
 - 
 
3046 
;.ret0:
 - 
 
3047 
;        xor     ecx, ecx
 - 
 
3048 
;.ret1:
 - 
 
3049 
;        pop     edi
 - 
 
3050 
;        ret
 - 
 
Line 3051... Line 3022...
3051 
 
 3022 
 
Line 3052... Line 3023...
3052 
 
 3023 
 
3053 
; check if pixel is allowed to be drawn
 - 
 
3054 
 
 - 
 
3055 
checkpixel:
 - 
 
3056 
 
 3024 
; check if pixel is allowed to be drawn
3057 
        push eax
 - 
 
3058 
        push ebx
 - 
 
3059 
        push edx
 - 
 
3060 
 
 - 
 
3061 
;        mov   ecx,[0x3000]  ; process count
 - 
 
3062 
;        shl   ecx, 6        ; *64
 - 
 
3063 
;        add   ecx,0xc000    ; +window_stack
 - 
 
3064 
;        mov   dx,word [ecx] ; window_stack_value
 - 
 
3065 
 
 - 
 
3066 
;        cmp   dx, word [0x3004] ; is this window active right now?!
 - 
 
3067 
;        jz    .ret0
 - 
 
3068 
 
 - 
 
Line 3069... Line 3025...
3069 
;        call  cplimit
 3025 
 
3070 
;        test  ecx, ecx
 3026 
checkpixel:
3071 
;        jnz   .ret1
 3027 
        push eax edx
3072 
 
 3028 
 
3073 
        mov  edx,[0xfe00]     ; screen x size
 - 
 
Line 3074... Line 3029...
3074 
        inc  edx
 3029 
        mov  edx,[0xfe00]     ; screen x size
3075 
        imul  edx, ebx
 - 
 
3076 
        mov  dl, [eax+edx+display_data] ; lea eax, [...]
 - 
 
3077 
;;;        mov  dl,[eax]
 - 
 
3078 
 
 - 
 
3079 
        mov  eax,[0x3000]
 - 
 
3080 
        shl  eax,5
 - 
 
Line 3081... Line -...
3081 
        add  eax,0x3000+0xe
 - 
 
3082 
 
 3030 
        inc  edx
3083 
        mov  ecx, 1
 - 
 
3084 
        cmp  byte [eax], dl
 3031 
        imul edx, ebx
3085 
        jnz  .ret1
 3032 
        mov  dl, [eax+edx+display_data] ; lea eax, [...]
- 
 
 3033 
 
3086 
 
 3034 
        mov  eax, [0x3010]
3087 
.ret0:
 3035 
 
Line 3088... Line 3036...
3088 
        xor  ecx, ecx
 3036 
        xor  ecx, ecx
3089 
.ret1:
 3037 
        cmp  byte [eax+0xe], dl
3090 
        pop  edx
 3038 
        setne cl