diff options
| -rw-r--r-- | engines/cge/vga13h.cpp | 137 |
1 files changed, 5 insertions, 132 deletions
diff --git a/engines/cge/vga13h.cpp b/engines/cge/vga13h.cpp index 7c11653c4e..51be2ed1e8 100644 --- a/engines/cge/vga13h.cpp +++ b/engines/cge/vga13h.cpp @@ -100,92 +100,13 @@ static void Video() { uint16 *SaveScreen() { - /* - uint16 cxy, cur, siz, * scr = NULL, * sav; - - // horizontal size of text mode screen - asm mov ah,0x0F // get current video mode - Video(); // BIOS video service - asm xchg ah,al // answer in ah - asm push ax // preserve width - - // vertical size of text mode screen - asm mov dl,24 // last row on std screen - asm xor bx,bx // valid request in BH - asm mov ax,0x1130 // get EGA's last row # - Video(); // BIOS video service - asm inc dl // # of rows = last+1 - - // compute screen size in words - asm pop ax // restore width - asm mul dl // width * height - - siz = _AX; - - asm mov ax,0x40 // system data segment - asm mov es,ax - asm mov ax,0B000H // Mono - asm cmp byte ptr es:[0x49],0x07 - asm je sto - asm mov ax,0B800H // Color - sto: // store screen address - asm mov word ptr scr+2,ax - - _AH = 0x0F; Video(); // active page - - // take cursor shape - _AH = 0x03; Video(); // get cursor size - cur = _CX; - - // take cursor position - _DH = 0; - _AH = 0x03; Video(); // get cursor - cxy = _DX; - - sav = farnew(uint16, siz+3); // +3 extra uint16s for size and cursor - if (sav) - { - sav[0] = siz; - sav[1] = cur; - sav[2] = cxy; - memcpy(sav+3, scr, siz * 2); - } - return sav; - */ - warning("STUB: SaveScreen"); + // In ScummVM, we don't need to worry about saving the original screen mode return 0; } void RestoreScreen(uint16 * &sav) { - /* - uint16 * scr = NULL; - - asm mov ax,0x40 // system data segment - asm mov es,ax - asm mov ax,0B000H // Mono - asm cmp byte ptr es:[0x49],0x07 - asm je sto - asm mov ax,0B800H // Color - sto: // store screen address - asm mov word ptr scr+2,ax - - memcpy(scr, sav+3, sav[0] * 2); - - _AH = 0x0F; Video(); // active page - - // set cursor shape - _CX = sav[1]; - _AH = 0x01; Video(); // set cursor size - - // set cursor position - _DX = sav[2]; - _AH = 0x02; Video(); // set cursor - - free(sav); - sav = NULL; - */ - warning("STUB: RestoreScreen"); + // In ScummVM, we don't need to restore the original text screen when the game exits } @@ -830,7 +751,7 @@ Vga::Vga(int mode) for (int i = 10; i < 20; i++) { char *text = _text->getText(i); if (text) { - debugN("%s\n", text); + debugN(1, "%s\n", text); std = false; } } @@ -879,17 +800,7 @@ Vga::~Vga() { void Vga::setStatAdr() { - /* - asm mov dx,VGAMIr_ - asm in al,dx - asm test al,1 // CGA addressing mode flag - asm mov ax,VGAST1_ // CGA addressing - asm jnz set_mode_adr - asm xor al,0x60 // MDA addressing - set_mode_adr: - StatAdr = _AX; - */ - warning("STUB: VGA::setStatADR"); + // No implementation needed for ScummVM } @@ -902,45 +813,7 @@ void Vga::waitVR(bool on) { void Vga::setup(VgaRegBlk *vrb) { - /* - waitVR(); // *--LOOK!--* resets VGAATR logic - asm cld - asm mov si, vrb // take address of parameter table - asm mov dh,0x03 // higher byte of I/O address is always 3 - - s: - asm lodsw // take lower byte of I/O address and index - asm or ah,ah // 0 = end of table - asm jz xit // no more: exit - asm or al,al // indexed register? - asm js single // 7th bit set means single register - asm mov dl,ah // complete I/O address - asm out dx,al // put index into control register - asm inc dx // data register is next to control - asm in al,dx // take old data - - write: - asm mov cl,al // preserve old data - asm lodsw // take 2 masks from table - asm xor al,0xFF // invert mask bits - asm and al,cl // clear bits with "clr" mask - asm or al,ah // set bits with "set" mask - asm cmp dl,0xC1 // special case? - asm jne std2 // no: standard job, otherwise... - asm dec dx // data out reg shares address with index - std2: - asm out dx,al // write new value to register - asm jmp s - - single: // read address in al, write address in ah - asm mov dl,al // complete I/O read address - asm in al,dx // take old data - asm mov dl,ah // complete I/O write address - asm jmp write // continue standard routine - - xit: - */ - warning("STUB: VGA::setup"); + // No direct VGA setup required, since ScummVM provides it's own graphics interface } |