1017 lines
19 KiB
PHP
1017 lines
19 KiB
PHP
func color_24_to_4_bits
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begin
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push edx
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mov dl,0
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cmp al,85 ; blue
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jbe .p13green
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or dl,0x01
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cmp al,170
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jbe .p13green
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or dl,0x08
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.p13green:
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shr eax,8
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cmp al,85 ; green
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jbe .p13red
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or dl,0x02
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cmp al,170
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jbe .p13red
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or dl,0x08
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.p13red:
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cmp ah,85 ; red
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jbe .p13cont
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or dl,0x04
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cmp ah,170
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jbe .p13cont
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or dl,0x08
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.p13cont:
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mov eax,edx
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pop edx
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ret
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endf
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;-----------------------------------------------------------------------------
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func vm_mike_draw_rect.04 ;///////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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; eax - x start
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; ebx - y start
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; ecx - x end
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; edx - y end
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; edi - color
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;-----------------------------------------------------------------------------
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;- eax(ebx) [x start]*65536 + [x size]
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;- ebx(ecx) [y start]*65536 + [y size]
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;- ecx(edx) color 0x00RRGGBB
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;-----------------------------------------------------------------------------
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begin
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pushad
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cli
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jif eax,e,ecx,.exit
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jif ebx,e,edx,.exit
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call get_cursor_rect
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push eax
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mov eax,edi
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call color_24_to_4_bits
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mov edi,eax
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pop eax
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mov ebp,[TASK_BASE]
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movsx esi,word[ebp-CURRENT_TASK+0]
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add eax,esi
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add ecx,esi
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movsx esi,word[ebp-CURRENT_TASK+4]
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add ebx,esi
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add edx,esi
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; add eax,[ebp-CURRENT_TASK+0]
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; add ebx,[ebp-CURRENT_TASK+4]
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; add ecx,[ebp-CURRENT_TASK+0]
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; add edx,[ebp-CURRENT_TASK+4]
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mov esi,[CURRENT_TASK]
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mov esi,[CLIP_RECTS+esi*4]
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mov ebp,[esi]
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or ebp,ebp
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jz .exit
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add esi,4
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.nx: jif ecx,le,[rr.left],.skip
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jif eax,ge,[rr.right],.skip
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jif edx,le,[rr.top],.skip
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jif ebx,ge,[rr.bottom],.skip
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pushad
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jif eax,ge,[rr.left],@f
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mov eax,[rr.left]
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@@: jif ebx,ge,[rr.top],@f
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mov ebx,[rr.top]
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@@: jif ecx,l,[rr.right],@f
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mov ecx,[rr.right]
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@@: jif edx,l,[rr.bottom],@f
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mov edx,[rr.bottom]
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@@: call is_intersect_rc
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jc .put
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cmp byte[MOUSE_VISIBLE],0
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je .put
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call [SF.draw_mouse_under]
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mov byte[MOUSE_VISIBLE],0
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.put: sub edx,ebx
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push edx edi ebx eax
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mov edi,ebx
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shl edi,6
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shl ebx,4
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add edi,ebx
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shr eax,3
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add edi,eax
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add edi,VGABasePtr
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pop eax ebx
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mov ebx,eax
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mov esi,ecx
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sub esi,eax
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mov dx,0x03CE
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;edi = Offset in VMem
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;esi = Length
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;ebx = x
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; dx = Graphix Controller
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mov cl,bl ; Get StartBit
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and ecx,07h
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mov eax,esi
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add eax,ecx
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cmp eax,8 ; Is x+Length<One Byte
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jb .D_One
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mov ax,0xff08 ; 11111111b | BitMask Register
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shr ah,cl ; BitMask
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out dx,ax ; Write BitMask
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push ecx
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mov ah,[esp+4]
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mov ecx,[esp+4+4]
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push edi
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.D_LL: ; Draw Left of Box
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mov al,[edi]
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mov [edi],ah
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add edi,80 ; edi:=edi+80
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dec ecx
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jnz .D_LL
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pop edi
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inc edi
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pop ecx
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mov ax,0xFF08 ; BitMask Register
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out dx,ax ; Write BitMask
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mov eax,esi
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mov ch,8
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sub ch,cl
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movzx ecx,ch
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sub eax,ecx
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shr eax,3 ; Length div 8
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push edi ebx
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mov ebx,[esp+8+4]
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mov edx,eax
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mov al,[esp+8]
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.D_LC:
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mov ecx,edx
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rep stosb
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add edi,80
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sub edi,edx
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dec ebx
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jnz .D_LC
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pop ebx edi
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add edi,edx
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mov ecx,ebx ; ecx:=x+Length
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add ecx,esi
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and ecx,07h ; ecx and 07
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mov ah,0ffh
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shr ah,cl ; BitMask
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jz .D_End
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not ah
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mov al,8 ; BitMask Register
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mov dx,03ceh ; Graphics Controller
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out dx,ax ; Write BitMask
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mov ecx,[esp+4]
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mov al,[esp]
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.D_LR:
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mov ah,[edi]
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mov [edi],al
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add edi,80
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dec ecx
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jnz .D_LR
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jmp .D_End
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.D_One:
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mov ah,0ffh
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shr ah,cl ; Left BitMask
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add ebx,esi
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dec ebx
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and ebx,07h
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mov ecx,7
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sub ecx,ebx
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mov bl,0ffh
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shl bl,cl ; Right BitMask
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and ah,bl ; Full BitMask
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mov al,8 ; BitMask Register
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out dx,ax ; Write BitMask
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mov ecx,[esp+4]
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mov al,[esp]
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.D_L:
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mov dl,[edi] ; Fill Latches
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mov [edi],al ; Write Pixel
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add edi,80
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dec ecx
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jnz .D_L
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.D_End:
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pop edi
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add esp,4
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popad
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.skip:
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add esi,SR
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dec ebp
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jnz .nx
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.exit:
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sti
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popad
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retn
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endf
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;-----------------------------------------------------------------------------
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func vm_mike_draw_line.04 ;///////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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; eax(ebx) [x start] shl 16 + [x end]
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; ebx(ecx) [y start] shl 16 + [y end]
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; ecx(edx) colour 0x00RRGGBB
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; edi = 0x00000001 force
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;-----------------------------------------------------------------------------
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begin
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push 0
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pushad
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cli
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test ecx,0x01000000
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jnz .exit
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call get_cursor_rect
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mov eax,ecx
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call color_24_to_4_bits
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; mov [esp+4*8],ecx
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mov [esp+4*8],al
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movsx eax,word[esp+4*7] ; x end
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cmp ax,[esp+4*7+2] ; x start
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je dl.vert_line
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movsx eax,word[esp+4*4] ; y end
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cmp ax,[esp+4*4+2] ; y start
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je dl.horz_line
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.exit:
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sti
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popad
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add esp,4
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retn
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dl.vert_line:
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push eax
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mov cl,al
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and cl,7
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mov ax,0x8008
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shr ah,cl
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mov dx,0x03CE
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out dx,ax
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pop eax
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mov ecx,[esp+4*8]
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test edi,1
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jnz .forced
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mov esi,[CURRENT_TASK]
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mov esi,[CLIP_RECTS+esi*4]
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mov edi,[esi]
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or edi,edi
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jz .exit
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add esi,4
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.nx: movsx ebx,word[esp+4*4+2] ; y start
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movsx edx,word[esp+4*4] ; y end
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cmp ebx,edx
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je .exit
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jl @f
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xchg ebx,edx
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@@: jif eax,l,[rr.left],.skip
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jif eax,ge,[rr.right],.skip
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jif edx,l,[rr.top],.skip
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jif ebx,ge,[rr.bottom],.skip
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jif ebx,ge,[rr.top],@f
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mov ebx,[rr.top]
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@@: jif edx,l,[rr.bottom],@f
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mov edx,[rr.bottom]
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dec edx
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.draw:
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@@: call is_intersect_vln
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jc .put
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cmp byte[MOUSE_VISIBLE],0
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je .put
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call [SF.draw_mouse_under]
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mov byte[MOUSE_VISIBLE],0
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.put: push ebx eax
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mov ebp,ebx
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shl ebp,6
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shl ebx,4
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add ebp,ebx
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shr eax,3
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add ebp,eax
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add ebp,VGABasePtr
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pop eax ebx
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@@: mov ch,[ebp]
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mov [ebp],cl
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add ebp,80
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inc ebx
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cmp ebx,edx
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jle @b
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.skip:
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add esi,SR
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dec edi
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jnz .nx
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.exit:
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sti
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popad
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add esp,4
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retn
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.forced:
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jif eax,l,[viewport.left],.exit
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jif eax,ge,[viewport.right],.exit
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movsx ebx,word[esp+4*4+2] ; y start
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movsx edx,word[esp+4*4] ; y end
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jif ebx,e,edx,.exit
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jl @f
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xchg ebx,edx
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@@: jif edx,l,[viewport.top],.exit
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jif ebx,ge,[viewport.bottom],.exit
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jif ebx,ge,[viewport.top],@f
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mov ebx,[viewport.top]
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@@: jif edx,l,[viewport.bottom],@f
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mov edx,[viewport.bottom]
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dec edx
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@@: mov edi,1
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jmp .draw
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dl.horz_line:
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cld
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mov ecx,[esp+4*8]
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test edi,1
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jnz .forced
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mov esi,[CURRENT_TASK]
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mov esi,[CLIP_RECTS+esi*4]
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mov edi,[esi]
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or edi,edi
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jz .exit
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add esi,4
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.nx: movsx ebx,word[esp+4*7+2] ; x start
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movsx edx,word[esp+4*7] ; x end
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cmp ebx,edx
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je .exit
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jl @f
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xchg ebx,edx
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@@: jif eax,l,[rr.top],.skip
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jif eax,ge,[rr.bottom],.skip
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jif edx,l,[rr.left],.skip
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jif ebx,ge,[rr.right],.skip
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jif ebx,ge,[rr.left],@f
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mov ebx,[rr.left]
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@@: jif edx,l,[rr.right],@f
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mov edx,[rr.right]
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dec edx
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.draw:
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@@: call is_intersect_hln
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jc .put
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cmp byte[MOUSE_VISIBLE],0
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je .put
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call [SF.draw_mouse_under]
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mov byte[MOUSE_VISIBLE],0
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.put: push edi ebx eax
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mov edi,eax
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shl edi,6
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shl eax,4
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add edi,eax
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shr ebx,3
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add edi,ebx
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add edi,VGABasePtr
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pop eax ebx
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push eax ebx edx esi ecx
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mov esi,edx
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sub esi,ebx
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inc esi
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mov dx,0x03CE
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;edi = Offset in VMem
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;esi = Length
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;ebx = x
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; dx = Graphix Controller
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mov cl,bl ; Get StartBit
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and ecx,07h
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mov eax,esi
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add eax,ecx
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cmp eax,8 ; Is x+Length<One Byte
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jb .D_One
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mov ax,0xFF08 ; 11111111b | BitMask Register
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shr ah,cl ; BitMask
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out dx,ax ; Write BitMask
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mov al,[edi]
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mov eax,[esp]
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mov [edi],al
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inc edi
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mov ax,0xFF08 ; BitMask | BitMask Register
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out dx,ax ; Write BitMask
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mov eax,esi
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mov ch,8
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sub ch,cl
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mov cl,ch
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xor ch,ch
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sub eax,ecx
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shr eax,3 ; Length div 8
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mov ecx,eax
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mov eax,[esp]
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rep stosb
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mov ecx,ebx ; ecx:=x+Length
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add ecx,esi
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and ecx,07h ; ecx and 07
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mov ah,0ffh
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shr ah,cl ; BitMask
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jz .D_End
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not ah
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mov al,8 ; BitMask Register
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out dx,ax ; Write BitMask
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mov cl,[edi]
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mov eax,[esp]
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mov [edi],al
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jmp .D_End
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.D_One:
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mov ax,0xff08 ; | BitMask Register
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shr ah,cl ; Left BitMask
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add ebx,esi
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dec ebx
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and ebx,07h
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mov ecx,7
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sub ecx,ebx
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mov bl,0ffh
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shl bl,cl ; Right BitMask
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and ah,bl ; Full BitMask
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out dx,ax ; Write BitMask
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mov dl,[edi] ; Fill Latches
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mov eax,[esp]
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mov [edi],al ; Write Pixel
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.D_End:
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pop ecx esi edx ebx eax edi
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; mov ebp,[BytesPerScanLine]
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; imul ebp,eax
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; lea ebp,[ebp+ebx*4]
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; add ebp,[LFBAddress]
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; @@: test ecx,0x01000000
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; jz .dr
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; mov ecx,[ebp]
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; not ecx
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; or ecx,0x01000000
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; .dr: mov [ebp],ecx
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; add ebp,4
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; inc ebx
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; cmp ebx,edx
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; jle @b
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.skip:
|
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add esi,SR
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dec edi
|
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jnz .nx
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.exit:
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sti
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popad
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add esp,4
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retn
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.forced:
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jif eax,l,[viewport.top],.exit
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jif eax,ge,[viewport.bottom],.exit
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movsx ebx,word[esp+4*7+2] ; x start
|
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movsx edx,word[esp+4*7] ; x end
|
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cmp ebx,edx
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je .exit
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jl @f
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xchg ebx,edx
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@@: jif edx,l,[viewport.left],.exit
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jif ebx,ge,[viewport.right],.exit
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jif ebx,ge,[viewport.left],@f
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mov ebx,[viewport.left]
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@@: jif edx,l,[viewport.right],@f
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mov edx,[viewport.right]
|
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dec edx
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@@: mov edi,1
|
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jmp .draw
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endf
|
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|
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;-----------------------------------------------------------------------------
|
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func vm_mike_put_pixel.04 ;///////////////////////////////////////////////////
|
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;-----------------------------------------------------------------------------
|
|
; eax = x coordinate
|
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; ebx = y coordinate
|
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; ecx = ?? RR GG BB ; 0x01000000 negation
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; edi = 0x00000001 force
|
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;-----------------------------------------------------------------------------
|
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begin
|
|
pushad
|
|
cli
|
|
; mov edx,[BytesPerScanLine]
|
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; imul edx,ebx
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; lea edx,[edx+eax*4]
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|
; add edx,[LFBAddress]
|
|
; test ecx,0x01000000
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; jz @f
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; mov ecx,[edx]
|
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; not ecx
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@@: test edi,1
|
|
jnz .forced
|
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mov esi,[CURRENT_TASK]
|
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mov esi,[CLIP_RECTS+esi*4]
|
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mov edi,[esi]
|
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or edi,edi
|
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jz .exit
|
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add esi,4
|
|
@@: jif eax,l,[rr.left],.skip
|
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jif eax,ge,[rr.right],.skip
|
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jif ebx,l,[rr.top],.skip
|
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jif ebx,ge,[rr.bottom],.skip
|
|
call get_cursor_rect
|
|
call is_intersect_pt
|
|
jc .put
|
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cmp byte[MOUSE_VISIBLE],0
|
|
je .put
|
|
call [SF.draw_mouse_under]
|
|
mov byte[MOUSE_VISIBLE],0
|
|
.put:;mov [edx],ecx
|
|
; mov ax,SegA000 {Calculate Offset}
|
|
; mov es,ax
|
|
; mov bx,[y]
|
|
mov edi,ebx
|
|
shl edi,6 ; 80*y
|
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shl ebx,4
|
|
add edi,ebx
|
|
|
|
push ecx
|
|
mov cl,al
|
|
shr eax,3 ; /8
|
|
add edi,eax ; 80*y + (x/8)
|
|
|
|
and cl,7 ; Get Bit that Changes
|
|
mov ax,0x8008
|
|
shr ah,cl
|
|
mov dx,0x03CE
|
|
out dx,ax
|
|
add edi,VGABasePtr
|
|
|
|
call color_24_to_4_bits
|
|
mov ah,[edi] ; dummy read
|
|
mov [edi],al
|
|
|
|
.exit:
|
|
sti
|
|
popad
|
|
retn
|
|
.skip:
|
|
add esi,SR
|
|
dec edi
|
|
jnz @b
|
|
jmp .exit
|
|
.forced:
|
|
jif eax,l,[viewport.left],.exit
|
|
jif ebx,l,[viewport.top],.exit
|
|
jif eax,ge,[viewport.right],.exit
|
|
jif ebx,ge,[viewport.bottom],.exit
|
|
|
|
; mov ax,SegA000 {Calculate Offset}
|
|
; mov es,ax
|
|
; mov bx,[y]
|
|
mov edi,ebx
|
|
shl edi,6 ; 80*y
|
|
shl ebx,4
|
|
add edi,ebx
|
|
|
|
push ecx
|
|
mov cl,al
|
|
shr eax,3 ; /8
|
|
add edi,eax ; 80*y + (x/8)
|
|
|
|
and cl,7 ; Get Bit that Changes
|
|
mov ax,0x8008
|
|
shr ah,cl
|
|
mov dx,0x03CE
|
|
out dx,ax
|
|
add edi,VGABasePtr
|
|
|
|
pop eax
|
|
call color_24_to_4_bits
|
|
mov ah,[edi] ; dummy read
|
|
mov [edi],al
|
|
|
|
sti
|
|
popad
|
|
retn
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func vm_mike_get_pixel.04 ;///////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
; eax = x coordinate
|
|
; ebx = y coordinate
|
|
;-----------------------------------------------------------------------------
|
|
|
|
clr_table dd \
|
|
0x00000000,0x00000080,0x00008000,0x00008080,\
|
|
0x00800000,0x00800080,0x00808000,0x00808080,\
|
|
0x00CCCCCC,0x000000FF,0x0000FF00,0x0000FFFF,\
|
|
0x00FF0000,0x00FF00FF,0x00FFFF00,0x00FFFFFF
|
|
|
|
begin
|
|
pushad
|
|
cli
|
|
|
|
mov edi,ebx
|
|
shl edi,6 ; 80*y
|
|
shl ebx,4
|
|
add edi,ebx
|
|
mov cl,al
|
|
shr eax,3 ; /8
|
|
add edi,eax ; 80*y + (x/8)
|
|
add edi,VGABasePtr
|
|
|
|
and ecx,7
|
|
neg ecx
|
|
add cl,7
|
|
mov dx,0x03CE
|
|
xor bl,bl
|
|
mov ah,3
|
|
@1:
|
|
mov al,4
|
|
out dx,al
|
|
inc dx
|
|
mov al,ah
|
|
out dx,al
|
|
dec dx
|
|
mov al,[edi]
|
|
shr al,cl
|
|
and al,1
|
|
xchg cl,ah
|
|
shl al,cl
|
|
xchg cl,ah
|
|
or bl,al
|
|
dec ah
|
|
jns @1
|
|
|
|
and ebx,0x0000000F
|
|
mov eax,[ebx*4+clr_table]
|
|
mov [esp+4*6],eax
|
|
|
|
sti
|
|
popad
|
|
retn
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func vm_mike_put_image.04 ;///////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
; eax(ebx) pointer to image in memory - RRGGBBRRGGBB..
|
|
; ebx(ecx) image size [x]*65536+[y]
|
|
; ecx(edx) image position in window [x]*65536+[y]
|
|
; ret: eax 0 succesful, 1 overlapped
|
|
;-----------------------------------------------------------------------------
|
|
begin
|
|
mov eax,ebx
|
|
mov ebx,ecx
|
|
mov ecx,edx
|
|
.direct:
|
|
pushad
|
|
cli
|
|
jif ebx,z,0x0000FFFF,.exit,test
|
|
jif ebx,z,0xFFFF0000,.exit,test
|
|
|
|
cld
|
|
|
|
call get_cursor_rect
|
|
|
|
mov ebp,eax
|
|
movsx eax,word[esp+4*6+2]
|
|
movsx ebx,word[esp+4*6]
|
|
movsx ecx,word[esp+4*4+2]
|
|
movsx edx,word[esp+4*4]
|
|
lea edi,[ecx*3]
|
|
push edi
|
|
add ecx,eax
|
|
add edx,ebx
|
|
mov edi,[TASK_BASE]
|
|
movsx esi,word[edi-CURRENT_TASK+0]
|
|
add eax,esi
|
|
add ecx,esi
|
|
movsx esi,word[edi-CURRENT_TASK+4]
|
|
add ebx,esi
|
|
add edx,esi
|
|
; add eax,[esi-CURRENT_TASK+0]
|
|
; add ebx,[esi-CURRENT_TASK+4]
|
|
; add ecx,[esi-CURRENT_TASK+0]
|
|
; add edx,[esi-CURRENT_TASK+4]
|
|
|
|
mov esi,[CURRENT_TASK]
|
|
mov esi,[CLIP_RECTS+esi*4]
|
|
mov edi,[esi]
|
|
or edi,edi
|
|
jz .exit
|
|
add esi,4
|
|
cld
|
|
.nx: jif ecx,l,[rr.left],.skip
|
|
jif eax,ge,[rr.right],.skip
|
|
jif edx,l,[rr.top],.skip
|
|
jif ebx,ge,[rr.bottom],.skip
|
|
pushad
|
|
jif eax,ge,[rr.left],@f
|
|
mov eax,[rr.left]
|
|
@@: jif ebx,ge,[rr.top],@f
|
|
mov ebx,[rr.top]
|
|
@@: jif ecx,l,[rr.right],@f
|
|
mov ecx,[rr.right]
|
|
@@: jif edx,l,[rr.bottom],@f
|
|
mov edx,[rr.bottom]
|
|
@@: call is_intersect_rc
|
|
jc .put
|
|
cmp byte[MOUSE_VISIBLE],0
|
|
je .put
|
|
call [SF.draw_mouse_under]
|
|
mov byte[MOUSE_VISIBLE],0
|
|
.put:
|
|
mov esi,ebx
|
|
sub esi,[esp+4*4]
|
|
imul esi,[esp+4*8]
|
|
mov edi,eax
|
|
sub edi,[esp+4*7]
|
|
lea edi,[edi*3]
|
|
add esi,edi
|
|
add esi,ebp
|
|
mov edi,ebx
|
|
mov ebp,ebx
|
|
shl edi,6 ; 80*y
|
|
shl ebp,4
|
|
add edi,ebp
|
|
add edi,VGABasePtr
|
|
.xxx: push eax edx esi edi ebx eax
|
|
or ebp,-1
|
|
mov edx,0x03CE
|
|
@@: mov eax,[esp]
|
|
push ecx edi
|
|
mov cl,al
|
|
shr eax,3 ; /8
|
|
add edi,eax ; 80*y + (x/8)
|
|
|
|
mov eax,0x8008
|
|
and cl,7 ; Get Bit that Changes
|
|
shr ah,cl
|
|
out dx,ax
|
|
|
|
lodsd
|
|
dec esi
|
|
and eax,0x00FFFFFF
|
|
cmp eax,ebp
|
|
jne .ppp
|
|
mov cl,bl
|
|
jmp .ppp.2
|
|
.ppp:
|
|
mov ebp,eax
|
|
call color_24_to_4_bits
|
|
mov bl,al
|
|
.ppp.2:
|
|
mov al,[edi] ; dummy read
|
|
mov [edi],cl
|
|
pop edi ecx
|
|
inc dword[esp]
|
|
cmp [esp],ecx
|
|
jl @b
|
|
pop eax ebx edi esi edx eax
|
|
inc ebx
|
|
add esi,[esp+4*8]
|
|
add edi,80
|
|
cmp ebx,edx
|
|
jl .xxx
|
|
popad
|
|
.skip:
|
|
add esi,SR
|
|
dec edi
|
|
jnz .nx
|
|
|
|
.exit:
|
|
add esp,4
|
|
sti
|
|
popad
|
|
xor eax,eax
|
|
retn
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func vm_mike_draw_bg.04 ;/////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
begin
|
|
pushad
|
|
|
|
cmp byte[0x460000-12],1
|
|
je .tiled
|
|
|
|
mov eax,[viewport.left]
|
|
mov ebx,[viewport.top]
|
|
mov ecx,[viewport.right]
|
|
mov edx,[viewport.bottom]
|
|
mov edi,[0x00300000]
|
|
|
|
cli
|
|
jif eax,e,ecx,.exit
|
|
jif ebx,e,edx,.exit
|
|
|
|
call get_cursor_rect
|
|
|
|
push eax
|
|
mov eax,edi
|
|
call color_24_to_4_bits
|
|
mov edi,eax
|
|
pop eax
|
|
|
|
mov esi,[CLIP_RECTS+4]
|
|
mov ebp,[esi]
|
|
or ebp,ebp
|
|
jz .exit
|
|
add esi,4
|
|
.nx: jif ecx,le,[rr.left],.skip
|
|
jif eax,ge,[rr.right],.skip
|
|
jif edx,le,[rr.top],.skip
|
|
jif ebx,ge,[rr.bottom],.skip
|
|
pushad
|
|
jif eax,ge,[rr.left],@f
|
|
mov eax,[rr.left]
|
|
@@: jif ebx,ge,[rr.top],@f
|
|
mov ebx,[rr.top]
|
|
@@: jif ecx,l,[rr.right],@f
|
|
mov ecx,[rr.right]
|
|
@@: jif edx,l,[rr.bottom],@f
|
|
mov edx,[rr.bottom]
|
|
@@: call is_intersect_rc
|
|
jc .put
|
|
cmp byte[MOUSE_VISIBLE],0
|
|
je .put
|
|
call [SF.draw_mouse_under]
|
|
mov byte[MOUSE_VISIBLE],0
|
|
.put: sub edx,ebx
|
|
push edx edi ebx eax
|
|
mov edi,ebx
|
|
shl edi,6
|
|
shl ebx,4
|
|
add edi,ebx
|
|
shr eax,3
|
|
add edi,eax
|
|
add edi,VGABasePtr
|
|
pop eax ebx
|
|
|
|
mov ebx,eax
|
|
mov esi,ecx
|
|
sub esi,eax
|
|
mov dx,0x03CE
|
|
|
|
;edi = Offset in VMem
|
|
;esi = Length
|
|
;ebx = x
|
|
; dx = Graphix Controller
|
|
|
|
mov cl,bl ; Get StartBit
|
|
and ecx,07h
|
|
|
|
mov eax,esi
|
|
add eax,ecx
|
|
cmp eax,8 ; Is x+Length<One Byte
|
|
jb .D_One
|
|
|
|
mov ax,0xff08 ; 11111111b | BitMask Register
|
|
shr ah,cl ; BitMask
|
|
out dx,ax ; Write BitMask
|
|
push ecx
|
|
mov ah,[esp+4]
|
|
mov ecx,[esp+4+4]
|
|
push edi
|
|
.D_LL: ; Draw Left of Box
|
|
mov al,[edi]
|
|
mov [edi],ah
|
|
add edi,80 ; edi:=edi+80
|
|
dec ecx
|
|
jnz .D_LL
|
|
pop edi
|
|
inc edi
|
|
pop ecx
|
|
|
|
mov ax,0xFF08 ; BitMask Register
|
|
out dx,ax ; Write BitMask
|
|
|
|
mov eax,esi
|
|
mov ch,8
|
|
sub ch,cl
|
|
movzx ecx,ch
|
|
sub eax,ecx
|
|
shr eax,3 ; Length div 8
|
|
|
|
push edi ebx
|
|
mov ebx,[esp+8+4]
|
|
mov edx,eax
|
|
mov al,[esp+8]
|
|
.D_LC:
|
|
mov ecx,edx
|
|
rep stosb
|
|
add edi,80
|
|
sub edi,edx
|
|
dec ebx
|
|
jnz .D_LC
|
|
pop ebx edi
|
|
add edi,edx
|
|
|
|
mov ecx,ebx ; ecx:=x+Length
|
|
add ecx,esi
|
|
and ecx,07h ; ecx and 07
|
|
mov ah,0ffh
|
|
shr ah,cl ; BitMask
|
|
jz .D_End
|
|
|
|
not ah
|
|
mov al,8 ; BitMask Register
|
|
mov dx,03ceh ; Graphics Controller
|
|
out dx,ax ; Write BitMask
|
|
mov ecx,[esp+4]
|
|
mov al,[esp]
|
|
.D_LR:
|
|
mov ah,[edi]
|
|
mov [edi],al
|
|
add edi,80
|
|
dec ecx
|
|
jnz .D_LR
|
|
|
|
jmp .D_End
|
|
|
|
.D_One:
|
|
mov ah,0ffh
|
|
shr ah,cl ; Left BitMask
|
|
|
|
add ebx,esi
|
|
dec ebx
|
|
and ebx,07h
|
|
|
|
mov ecx,7
|
|
sub ecx,ebx
|
|
|
|
mov bl,0ffh
|
|
shl bl,cl ; Right BitMask
|
|
|
|
and ah,bl ; Full BitMask
|
|
mov al,8 ; BitMask Register
|
|
out dx,ax ; Write BitMask
|
|
mov ecx,[esp+4]
|
|
mov al,[esp]
|
|
.D_L:
|
|
mov dl,[edi] ; Fill Latches
|
|
mov [edi],al ; Write Pixel
|
|
add edi,80
|
|
dec ecx
|
|
jnz .D_L
|
|
.D_End:
|
|
pop edi
|
|
add esp,4
|
|
popad
|
|
.skip:
|
|
add esi,SR
|
|
dec ebp
|
|
jnz .nx
|
|
|
|
.exit:
|
|
sti
|
|
popad
|
|
retn
|
|
|
|
.tiled:
|
|
mov eax,IMG_BACKGROUND
|
|
mov ebx,[bg_width-2]
|
|
mov bx,word[bg_height]
|
|
xor ecx,ecx
|
|
xor edx,edx
|
|
.lp1: push eax
|
|
call vm_mike_put_image.04.direct
|
|
pop eax
|
|
add edx,[bg_width]
|
|
cmp edx,[ScreenWidth]
|
|
jae @f
|
|
shl edx,16
|
|
add ecx,edx
|
|
shr edx,16
|
|
jmp .lp1
|
|
@@: and ecx,0x0000FFFF
|
|
xor edx,edx
|
|
add ecx,[bg_height]
|
|
cmp ecx,[ScreenHeight]
|
|
jb .lp1
|
|
popad
|
|
retn
|
|
endf |