| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| [extern _AllocMem] |
| [extern _AllocSelector] |
| [extern _FreeSelector] |
| [extern _GetPhysicalMapping] |
| [extern _FreePhysicalMapping] |
| [extern _LockArea] |
| |
| _AllocMem_arglen equ 4 |
| _AllocSelector_arglen equ 4 |
| _FreeSelector_arglen equ 2 |
| _GetPhysicalMapping_arglen equ 16 |
| _FreePhysicalMapping_arglen equ 8 |
| _LockArea_arglen equ 10 |
| |
| |
| |
| |
| |
| [extern _OpenFile] |
| [extern _CloseFile] |
| [extern _ReadFile] |
| [extern _ReadFile_Sel] |
| [extern _WriteFile] |
| [extern _WriteFile_Sel] |
| [extern _SeekFile] |
| |
| _OpenFile_arglen equ 6 |
| _CloseFile_arglen equ 4 |
| _ReadFile_arglen equ 12 |
| _ReadFile_Sel_arglen equ 14 |
| _WriteFile_arglen equ 12 |
| _WriteFile_Sel_arglen equ 14 |
| _SeekFile_arglen equ 10 |
| |
| [bits 32] |
| |
| |
| [extern ___sbrk] |
| [extern _getenv] |
| |
| ___sbrk_arglen equ 4 |
| _getenv_arglen equ 4 |
| |
| |
| [extern _djgpp_es] |
| [extern _djgpp_fs] |
| [extern _djgpp_gs] |
| |
| |
| [extern ___dos_argv0] |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| afHaveMultiBuffer equ 0001h |
| afHaveVirtualScroll equ 0002h |
| afHaveBankedBuffer equ 0004h |
| afHaveLinearBuffer equ 0008h |
| afHaveAccel2D equ 0010h |
| afHaveDualBuffers equ 0020h |
| afHaveHWCursor equ 0040h |
| afHave8BitDAC equ 0080h |
| afNonVGAMode equ 0100h |
| afHaveDoubleScan equ 0200h |
| afHaveInterlaced equ 0400h |
| afHaveTripleBuffer equ 0800h |
| afHaveStereo equ 1000h |
| afHaveROP2 equ 2000h |
| afHaveHWStereoSync equ 4000h |
| afHaveEVCStereoSync equ 8000h |
| |
| |
| [absolute 0] |
| AF_MODE_INFO: |
| .Attributes resw 1 |
| .XResolution resw 1 |
| .YResolution resw 1 |
| .BytesPerScanLine resw 1 |
| .BitsPerPixel resw 1 |
| .MaxBuffers resw 1 |
| .RedMaskSize resb 1 |
| .RedFieldPosition resb 1 |
| .GreenMaskSize resb 1 |
| .GreenFieldPosition resb 1 |
| .BlueMaskSize resb 1 |
| .BlueFieldPosition resb 1 |
| .RsvdMaskSize resb 1 |
| .RsvdFieldPosition resb 1 |
| .MaxBytesPerScanLine resw 1 |
| .MaxScanLineWidth resw 1 |
| |
| .LinBytesPerScanLine resw 1 |
| .BnkMaxBuffers resb 1 |
| .LinMaxBuffers resb 1 |
| .LinRedMaskSize resb 1 |
| .LinRedFieldPosition resb 1 |
| .LinGreenMaskSize resb 1 |
| .LinGreenFieldPosition resb 1 |
| .LinBlueMaskSize resb 1 |
| .LinBlueFieldPosition resb 1 |
| .LinRsvdMaskSize resb 1 |
| .LinRsvdFieldPosition resb 1 |
| .MaxPixelClock resd 1 |
| .VideoCapabilities resd 1 |
| .VideoMinXScale resw 1 |
| .VideoMinYScale resw 1 |
| .VideoMaxXScale resw 1 |
| .VideoMaxYScale resw 1 |
| .Reserved resb 76 |
| AF_MODE_INFO_size: |
| [section .text] |
| |
| |
| [absolute 0] |
| AF_DRIVER: |
| |
| .Signature resb 12 |
| .Version resd 1 |
| .DriverRev resd 1 |
| .OemVendorName resb 80 |
| .OemCopyright resb 80 |
| .AvailableModes resd 1 |
| .TotalMemory resd 1 |
| .Attributes resd 1 |
| .BankSize resd 1 |
| .BankedBasePtr resd 1 |
| .LinearSize resd 1 |
| .LinearBasePtr resd 1 |
| .LinearGranularity resd 1 |
| .IOPortsTable resd 1 |
| .IOMemoryBase resd 4 |
| .IOMemoryLen resd 4 |
| .LinearStridePad resd 1 |
| .PCIVendorID resw 1 |
| .PCIDeviceID resw 1 |
| .PCISubSysVendorID resw 1 |
| .PCISubSysID resw 1 |
| .Checksum resd 1 |
| .res2 resd 6 |
| |
| .IOMemMaps resd 4 |
| .BankedMem resd 1 |
| .LinearMem resd 1 |
| .res3 resd 5 |
| |
| .BufferEndX resd 1 |
| .BufferEndY resd 1 |
| .OriginOffset resd 1 |
| .OffscreenOffset resd 1 |
| .OffscreenStartY resd 1 |
| .OffscreenEndY resd 1 |
| .res4 resd 10 |
| |
| .SetBank32Len resd 1 |
| .SetBank32 resd 1 |
| |
| .Int86 resd 1 |
| .CallRealMode resd 1 |
| |
| .InitDriver resd 1 |
| |
| .af10Funcs resd 40 |
| |
| .PlugAndPlayInit resd 1 |
| |
| .OemExt resd 1 |
| |
| .SupplementalExt resd 1 |
| |
| .GetVideoModeInfo resd 1 |
| .SetVideoMode resd 1 |
| .RestoreTextMode resd 1 |
| .GetClosestPixelClock resd 1 |
| .SaveRestoreState resd 1 |
| .SetDisplayStart resd 1 |
| .SetActiveBuffer resd 1 |
| .SetVisibleBuffer resd 1 |
| .GetDisplayStartStatus resd 1 |
| .EnableStereoMode resd 1 |
| .SetPaletteData resd 1 |
| .SetGammaCorrectData resd 1 |
| .SetBank resd 1 |
| |
| .SetCursor resd 1 |
| .SetCursorPos resd 1 |
| .SetCursorColor resd 1 |
| .ShowCursor resd 1 |
| |
| .WaitTillIdle resd 1 |
| .EnableDirectAccess resd 1 |
| .DisableDirectAccess resd 1 |
| .SetMix resd 1 |
| .Set8x8MonoPattern resd 1 |
| .Set8x8ColorPattern resd 1 |
| .Use8x8ColorPattern resd 1 |
| .SetLineStipple resd 1 |
| .SetLineStippleCount resd 1 |
| .SetClipRect resd 1 |
| .DrawScan resd 1 |
| .DrawPattScan resd 1 |
| .DrawColorPattScan resd 1 |
| .DrawScanList resd 1 |
| .DrawPattScanList resd 1 |
| .DrawColorPattScanList resd 1 |
| .DrawRect resd 1 |
| .DrawPattRect resd 1 |
| .DrawColorPattRect resd 1 |
| .DrawLine resd 1 |
| .DrawStippleLine resd 1 |
| .DrawTrap resd 1 |
| .DrawTri resd 1 |
| .DrawQuad resd 1 |
| .PutMonoImage resd 1 |
| .PutMonoImageLin resd 1 |
| .PutMonoImageBM resd 1 |
| .BitBlt resd 1 |
| .BitBltSys resd 1 |
| .BitBltLin resd 1 |
| .BitBltBM resd 1 |
| .SrcTransBlt resd 1 |
| .SrcTransBltSys resd 1 |
| .SrcTransBltLin resd 1 |
| .SrcTransBltBM resd 1 |
| .DstTransBlt resd 1 |
| .DstTransBltSys resd 1 |
| .DstTransBltLin resd 1 |
| .DstTransBltBM resd 1 |
| .StretchBlt resd 1 |
| .StretchBltSys resd 1 |
| .StretchBltLin resd 1 |
| .StretchBltBM resd 1 |
| .SrcTransStretchBlt resd 1 |
| .SrcTransStretchBltSys resd 1 |
| .SrcTransStretchBltLin resd 1 |
| .SrcTransStretchBltBM resd 1 |
| .DstTransStretchBlt resd 1 |
| .DstTransStretchBltSys resd 1 |
| .DstTransStretchBltLin resd 1 |
| .DstTransStretchBltBM resd 1 |
| |
| .SetVideoInput resd 1 |
| .SetVideoOutput resd 1 |
| .StartVideoFrame resd 1 |
| .EndVideoFrame resd 1 |
| AF_DRIVER_size: |
| [section .text] |
| |
| |
| [absolute 0] |
| FAF_KEYBOARD_DATA: |
| .INT resb 1 |
| .IRQ resb 1 |
| .Port resw 1 |
| FAF_KEYBOARD_DATA_size: |
| [section .text] |
| |
| [section .bss] |
| |
| DriverOffset resd 1 |
| DriverSize resd 1 |
| InGraphicsMode resb 1 |
| ModeInfo resb AF_MODE_INFO_size |
| Filename resb 256 |
| FreeBEExt resb 1 |
| |
| [section .data] |
| |
| rcsid db '$Id: vbeaf.asm,v 1.1 2001/11/21 08:41:53 peter Exp $',0 |
| |
| VBEAFName db 'VBEAF.DRV', 0 |
| VBEAFEnv db 'VBEAF_PATH', 0 |
| |
| [section .text] |
| |
| |
| |
| |
| |
| |
| |
| _LoadGraphicsDriver_arglen equ 4 |
| [global _LoadGraphicsDriver] |
| _LoadGraphicsDriver: push ebp |
| mov ebp, esp |
| |
| |
| .Filename equ 8 |
| |
| |
| |
| .file equ -4 |
| .STACK_FRAME_SIZE equ 4 |
| |
| sub esp, .STACK_FRAME_SIZE |
| push es |
| push fs |
| push gs |
| mov gs, [_djgpp_gs] |
| mov fs, [_djgpp_fs] |
| mov es, [_djgpp_es] |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push word 0 |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [ebp+.Filename] |
| |
| call _OpenFile |
| add esp, byte _OpenFile_arglen |
| cmp eax, -1 |
| je near .error |
| mov [ebp+.file], eax |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push word 2 |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword 0 |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [ebp+.file] |
| |
| call _SeekFile |
| add esp, byte _SeekFile_arglen |
| cmp eax, -1 |
| je near .error |
| mov [DriverSize], eax |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push word 0 |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword 0 |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [ebp+.file] |
| |
| call _SeekFile |
| add esp, byte _SeekFile_arglen |
| cmp eax, -1 |
| je .error |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [DriverSize] |
| |
| call ___sbrk |
| add esp, byte ___sbrk_arglen |
| test eax, eax |
| jz .error |
| mov [DriverOffset], eax |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [DriverSize] |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [DriverOffset] |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [ebp+.file] |
| |
| call _ReadFile |
| add esp, byte _ReadFile_arglen |
| cmp eax, [DriverSize] |
| jne .errorfree |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [ebp+.file] |
| |
| call _CloseFile |
| add esp, byte _CloseFile_arglen |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [DriverSize] |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword [DriverOffset] |
| |
| |
| |
| |
| |
| |
| |
| |
| o16 push cs |
| |
| call _LockArea |
| add esp, byte _LockArea_arglen |
| xor eax, eax |
| jmp short .done |
| |
| .errorfree: |
| mov eax, [DriverSize] |
| neg eax |
| |
| |
| |
| |
| |
| |
| |
| |
| push eax |
| |
| call ___sbrk |
| add esp, byte ___sbrk_arglen |
| mov dword [DriverOffset], 0 |
| .error: |
| xor eax, eax |
| inc eax |
| .done: |
| pop gs |
| pop fs |
| pop es |
| mov esp, ebp |
| mov esp, ebp |
| pop ebp |
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| [global _InitGraphics] |
| _InitGraphics: push ebp |
| mov ebp, esp |
| |
| |
| .kbINT equ 8 |
| |
| |
| .kbIRQ equ 12 |
| |
| |
| .kbPort equ 16 |
| |
| |
| |
| push es |
| push fs |
| push gs |
| mov gs, [_djgpp_gs] |
| mov fs, [_djgpp_fs] |
| mov es, [_djgpp_es] |
| push esi |
| push edi |
| |
| |
| mov esi, [DriverOffset] |
| test esi, esi |
| jnz near .foundit |
| |
| |
| |
| |
| |
| mov ecx, 256 |
| mov esi, [___dos_argv0] |
| mov edi, Filename |
| .argv0copy: |
| mov al, [esi] |
| mov [edi], al |
| inc esi |
| inc edi |
| or al, al |
| jnz .argv0copy |
| |
| .findlastslash: |
| cmp byte [edi], '/' |
| je .lastslashfound |
| cmp byte [edi], '\' |
| je .lastslashfound |
| cmp edi, Filename |
| je .lastslashnotfound |
| dec edi |
| jmp short .findlastslash |
| .lastslashfound: |
| inc edi |
| |
| mov ecx, 10 |
| mov esi, VBEAFName |
| rep movsb |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword Filename |
| |
| call _LoadGraphicsDriver |
| add esp, byte _LoadGraphicsDriver_arglen |
| test eax, eax |
| jz near .foundit |
| |
| .lastslashnotfound: |
| |
| mov edi, Filename |
| mov dword [edi], 'C:\v' |
| add edi, byte 3 |
| mov esi, VBEAFName |
| mov ecx, 10 |
| rep movsb |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword Filename |
| |
| call _LoadGraphicsDriver |
| add esp, byte _LoadGraphicsDriver_arglen |
| test eax, eax |
| jz .foundit |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword VBEAFEnv |
| |
| call _getenv |
| add esp, byte _getenv_arglen |
| test eax, eax |
| jz near .error |
| |
| |
| mov ecx, 256 |
| mov esi, eax |
| mov edi, Filename |
| .envcopy: |
| mov al, [esi] |
| mov [edi], al |
| inc esi |
| inc edi |
| or al, al |
| jnz .envcopy |
| |
| |
| dec edi |
| cmp byte [edi], '/' |
| je .slashpresent |
| cmp byte [edi], '\' |
| je .slashpresent |
| mov byte [edi], '/' |
| .slashpresent: |
| |
| inc edi |
| mov esi, VBEAFName |
| mov ecx, 10 |
| rep movsb |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| push dword Filename |
| |
| call _LoadGraphicsDriver |
| add esp, byte _LoadGraphicsDriver_arglen |
| test eax, eax |
| jz .foundit |
| |
| jmp .error |
| .foundit: |
| mov esi, [DriverOffset] |
| |
| |
| cmp dword [esi+AF_DRIVER.Signature], 'VBEA' |
| jne near .errorfree |
| cmp dword [esi+AF_DRIVER.Signature+4], 'F.DR' |
| jne near .errorfree |
| cmp byte [esi+AF_DRIVER.Signature+8], 'V' |
| jne near .errorfree |
| |
| |
| cmp word [esi+AF_DRIVER.Version], 0200h |
| jb near .errorfree |
| |
| |
| mov edi, [esi+AF_DRIVER.OemExt] |
| add edi, esi |
| push dword (('I'<<24) | ('N'<<16) | ('I'<<8) | 'T') |
| push esi |
| call edi |
| add esp, byte 8 |
| |
| |
| |
| cmp al, '0' |
| jb .noext |
| cmp al, '9' |
| ja .noext |
| cmp ah, '0' |
| jb .noext |
| cmp al, '9' |
| ja .noext |
| |
| and eax, 0FFFF0000h |
| cmp eax, (('E'<<24) | ('X'<<16) | (0<<8) | 0) |
| jne .noext |
| |
| |
| mov byte [FreeBEExt], 1 |
| |
| |
| push dword (('D'<<24) | ('I'<<16) | ('C'<<8) | 'L') |
| push esi |
| call [esi+AF_DRIVER.OemExt] |
| add esp, byte 8 |
| test eax, eax |
| jz .noext |
| |
| mov dword [eax], _DispatchCall |
| |
| .noext: |
| |
| |
| mov edi, [esi+AF_DRIVER.PlugAndPlayInit] |
| add edi, esi |
| mov ebx, esi |
| call edi |
| test eax, eax |
| jnz near .errorfree |
| |
| mov esi, [DriverOffset] |
| |
| |
| |
| |
| mov edi, [esi+AF_DRIVER.InitDriver] |
| add edi, esi |
| mov ebx, esi |
| call edi |
| test eax, eax |
| jnz near .errorfree |
| |
| mov esi, [DriverOffset] |
| |
| |
| cmp byte [FreeBEExt], 0 |
| jz .defaultkb |
| |
| |
| push dword (('K'<<24) | ('E'<<16) | ('Y'<<8) | 'S') |
| push esi |
| call [esi+AF_DRIVER.OemExt] |
| add esp, byte 8 |
| |
| |
| test eax, eax |
| jz .defaultkb |
| |
| |
| mov edi, eax |
| mov al, [edi+FAF_KEYBOARD_DATA.INT] |
| mov ebx, [ebp+.kbINT] |
| mov [ebx], al |
| mov al, [edi+FAF_KEYBOARD_DATA.IRQ] |
| mov ebx, [ebp+.kbIRQ] |
| mov [ebx], al |
| mov ax, [edi+FAF_KEYBOARD_DATA.Port] |
| mov ebx, [ebp+.kbPort] |
| mov [ebx], ax |
| |
| jmp short .retokay |
| |
| .defaultkb: |
| |
| mov edi, [ebp+.kbINT] |
| mov byte [edi], 9 |
| mov edi, [ebp+.kbIRQ] |
| mov byte [edi], 1 |
| mov edi, [ebp+.kbPort] |
| mov word [edi], 60h |
| |
| .retokay: |
| xor eax, eax |
| jmp short .done |
| |
| .errorfree: |
| mov eax, [DriverSize] |
| neg eax |
| |
| |
| |
| |
| |
| |
| |
| |
| push eax |
| |
| call ___sbrk |
| add esp, byte ___sbrk_arglen |
| mov dword [DriverOffset], 0 |
| .error: |
| xor eax, eax |
| inc eax |
| .done: |
| pop edi |
| pop esi |
| pop gs |
| pop fs |
| pop es |
| mov esp, ebp |
| pop ebp |
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| [global _ExitGraphics] |
| _ExitGraphics |
| |
| |
| call _UnsetGraphicsMode |
| |
| push es |
| push fs |
| push gs |
| mov gs, [_djgpp_gs] |
| mov fs, [_djgpp_fs] |
| mov es, [_djgpp_es] |
| push esi |
| |
| |
| mov esi, [DriverOffset] |
| test esi, esi |
| jz .notloaded |
| mov eax, [DriverSize] |
| neg eax |
| |
| |
| |
| |
| |
| |
| |
| |
| push eax |
| |
| call ___sbrk |
| add esp, byte ___sbrk_arglen |
| mov dword [DriverOffset], 0 |
| .notloaded: |
| |
| pop esi |
| pop gs |
| pop fs |
| pop es |
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| [global _FindGraphicsMode] |
| _FindGraphicsMode: push ebp |
| mov ebp, esp |
| |
| .Width equ 8 |
| |
| |
| .Height equ 10 |
| |
| |
| .Depth equ 12 |
| |
| |
| .Emulated equ 14 |
| |
| |
| |
| push es |
| push fs |
| push gs |
| mov gs, [_djgpp_gs] |
| mov fs, [_djgpp_fs] |
| mov es, [_djgpp_es] |
| push esi |
| push edi |
| |
| mov esi, [DriverOffset] |
| |
| |
| mov edi, [esi+AF_DRIVER.AvailableModes] |
| .modeloop: |
| cmp word [edi], -1 |
| je .notfound |
| |
| |
| push dword ModeInfo |
| push dword [edi] |
| push esi |
| call [esi+AF_DRIVER.GetVideoModeInfo] |
| add esp, byte 12 |
| test eax, eax |
| jnz .nextmode |
| |
| |
| mov ax, [ebp+.Width] |
| cmp [ModeInfo+AF_MODE_INFO.XResolution], ax |
| jne .nextmode |
| |
| mov ax, [ebp+.Height] |
| cmp [ModeInfo+AF_MODE_INFO.YResolution], ax |
| jne .nextmode |
| |
| mov ax, [ebp+.Depth] |
| cmp [ModeInfo+AF_MODE_INFO.BitsPerPixel], ax |
| jne .nextmode |
| |
| |
| mov eax, [ebp+.Emulated] |
| test eax, eax |
| jnz .foundit |
| |
| |
| mov eax, [ModeInfo+AF_MODE_INFO.VideoCapabilities] |
| cmp eax, (('E'<<24) | ('M'<<16) | ('U'<<8) | 'L') |
| jne .foundit |
| |
| .nextmode: |
| add edi, byte 2 |
| jmp short .modeloop |
| |
| .foundit: |
| movzx eax, word [edi] |
| jmp short .done |
| .notfound: |
| xor eax, eax |
| .done: |
| pop edi |
| pop esi |
| pop gs |
| pop fs |
| pop es |
| mov esp, ebp |
| pop ebp |
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| [global _SetGraphicsMode] |
| _SetGraphicsMode: push ebp |
| mov ebp, esp |
| |
| .Mode equ 8 |
| |
| |
| |
| push es |
| push fs |
| push gs |
| mov gs, [_djgpp_gs] |
| mov fs, [_djgpp_fs] |
| mov es, [_djgpp_es] |
| |
| mov eax, [DriverOffset] |
| xor ecx, ecx |
| push ecx |
| inc ecx |
| push ecx |
| push dword ModeInfo+AF_MODE_INFO.BytesPerScanLine |
| movzx ecx, word [ModeInfo+AF_MODE_INFO.YResolution] |
| push ecx |
| movzx ecx, word [ModeInfo+AF_MODE_INFO.XResolution] |
| push ecx |
| push dword [ebp+.Mode] |
| push eax |
| call [eax+AF_DRIVER.SetVideoMode] |
| add esp, byte 28 |
| |
| |
| mov byte [InGraphicsMode], 1 |
| |
| |
| |
| pop gs |
| pop fs |
| pop es |
| mov esp, ebp |
| pop ebp |
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| [global _UnsetGraphicsMode] |
| _UnsetGraphicsMode |
| |
| |
| cmp byte [InGraphicsMode], 0 |
| jz .notingraphics |
| |
| push es |
| push fs |
| push gs |
| mov gs, [_djgpp_gs] |
| mov fs, [_djgpp_fs] |
| mov es, [_djgpp_es] |
| push esi |
| push edi |
| |
| |
| mov esi, [DriverOffset] |
| |
| |
| mov edi, [esi+AF_DRIVER.EnableDirectAccess] |
| test edi, edi |
| jz .noEDA |
| push esi |
| call edi |
| add esp, byte 4 |
| .noEDA: |
| |
| mov edi, [esi+AF_DRIVER.WaitTillIdle] |
| test edi, edi |
| jz .noWTI |
| push esi |
| call edi |
| add esp, byte 4 |
| .noWTI: |
| |
| push esi |
| call [esi+AF_DRIVER.RestoreTextMode] |
| add esp, byte 4 |
| |
| |
| mov byte [InGraphicsMode], 0 |
| |
| pop edi |
| pop esi |
| pop gs |
| pop fs |
| pop es |
| |
| .notingraphics: |
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| [global _CopyToScreen] |
| _CopyToScreen: push ebp |
| mov ebp, esp |
| |
| |
| .Source equ 8 |
| |
| |
| .SourcePitch equ 12 |
| |
| |
| .SourceLeft equ 16 |
| |
| |
| .SourceTop equ 20 |
| |
| |
| .Width equ 24 |
| |
| |
| .Height equ 28 |
| |
| |
| .DestLeft equ 32 |
| |
| |
| .DestTop equ 36 |
| |
| |
| |
| push es |
| push fs |
| push gs |
| mov gs, [_djgpp_gs] |
| mov fs, [_djgpp_fs] |
| mov es, [_djgpp_es] |
| push esi |
| |
| mov esi, [DriverOffset] |
| cmp dword [esi+AF_DRIVER.BitBltSys], 0 |
| jz .NoBitBltSys |
| |
| |
| |
| push dword 0 |
| push dword [ebp+.DestTop] |
| push dword [ebp+.DestLeft] |
| push dword [ebp+.Height] |
| push dword [ebp+.Width] |
| push dword [ebp+.SourceTop] |
| push dword [ebp+.SourceLeft] |
| push dword [ebp+.SourcePitch] |
| push dword [ebp+.Source] |
| push esi |
| call [esi+AF_DRIVER.BitBltSys] |
| add esp, byte 40 |
| |
| |
| .NoBitBltSys: |
| |
| |
| .done: |
| pop esi |
| pop gs |
| pop fs |
| pop es |
| mov esp, ebp |
| pop ebp |
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| [global _DispatchCall] |
| _DispatchCall: push ebp |
| mov ebp, esp |
| |
| |
| .Handle equ 8 |
| |
| |
| .Command equ 12 |
| |
| |
| .Data equ 16 |
| |
| |
| |
| push fs |
| push esi |
| |
| mov eax, ds |
| mov fs, eax |
| |
| mov eax, [ebp+.Command] |
| shl eax, 16 |
| mov ax, [ebp+.Handle] |
| clc |
| mov esi, [ebp+.Data] |
| db 0C4h, 0C4h, 058h, 002h |
| salc |
| movsx eax, al |
| |
| pop esi |
| pop fs |
| mov esp, ebp |
| pop ebp |
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
