Add missing files from last commit.
This commit is contained in:
TomW
parent
9312de19ac
commit
f822488656
89 changed files with 18428 additions and 6383 deletions
487
src/vid_svga_render.c
Normal file
487
src/vid_svga_render.c
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#include "ibm.h"
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#include "video.h"
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#include "vid_svga.h"
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#include "vid_svga_render.h"
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void svga_render_blank()
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{
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int x, xx;
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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for (x=0;x<svga_hdisp;x++)
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{
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switch (seqregs[1]&9)
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{
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case 0:
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for (xx=0;xx<9;xx++) ((uint32_t *)buffer32->line[displine])[(x*9)+xx+32]=0;
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break;
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case 1:
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for (xx=0;xx<8;xx++) ((uint32_t *)buffer32->line[displine])[(x*8)+xx+32]=0;
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break;
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case 8:
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for (xx=0;xx<18;xx++) ((uint32_t *)buffer32->line[displine])[(x*18)+xx+32]=0;
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break;
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case 9:
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for (xx=0;xx<16;xx++) ((uint32_t *)buffer32->line[displine])[(x*16)+xx+32]=0;
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break;
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}
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}
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}
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void svga_render_text_40()
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{
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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if (fullchange)
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{
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int x, xx;
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int drawcursor;
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uint8_t chr, attr, dat;
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uint32_t charaddr;
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int fg, bg;
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int xinc = (seqregs[1] & 1) ? 16 : 18;
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for (x=0;x<svga_hdisp;x+=xinc)
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{
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drawcursor=((ma==ca) && con && cursoron);
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chr=vram[(ma<<1)];
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attr=vram[(ma<<1)+4];
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if (attr&8) charaddr=charsetb+(chr*128);
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else charaddr=charseta+(chr*128);
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if (drawcursor)
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{
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bg=pallook[egapal[attr&15]];
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fg=pallook[egapal[attr>>4]];
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}
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else
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{
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fg=pallook[egapal[attr&15]];
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bg=pallook[egapal[attr>>4]];
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if (attr&0x80 && attrregs[0x10]&8)
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{
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bg=pallook[egapal[(attr>>4)&7]];
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if (cgablink&16) fg=bg;
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}
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}
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dat=vram[charaddr+(sc<<2)];
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if (seqregs[1]&1)
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{
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for (xx=0;xx<8;xx++)
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((uint32_t *)buffer32->line[displine])[(x+32+(xx<<1))&2047]=((uint32_t *)buffer32->line[displine])[(x+33+(xx<<1))&2047]=(dat&(0x80>>xx))?fg:bg;
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}
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else
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{
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for (xx=0;xx<8;xx++)
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((uint32_t *)buffer32->line[displine])[(x+32+(xx<<1))&2047]=((uint32_t *)buffer32->line[displine])[(x+33+(xx<<1))&2047]=(dat&(0x80>>xx))?fg:bg;
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if ((chr&~0x1F)!=0xC0 || !(attrregs[0x10]&4))
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((uint32_t *)buffer32->line[displine])[(x+32+16)&2047]=((uint32_t *)buffer32->line[displine])[(x+32+17)&2047]=bg;
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else
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((uint32_t *)buffer32->line[displine])[(x+32+16)&2047]=((uint32_t *)buffer32->line[displine])[(x+32+17)&2047]=(dat&1)?fg:bg;
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}
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ma+=4; ma&=vrammask;
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}
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}
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}
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void svga_render_text_80()
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{
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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if (fullchange)
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{
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int x, xx;
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int drawcursor;
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uint8_t chr, attr, dat;
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uint32_t charaddr;
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int fg, bg;
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int xinc = (seqregs[1] & 1) ? 8 : 9;
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for (x=0;x<svga_hdisp;x+=xinc)
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{
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drawcursor=((ma==ca) && con && cursoron);
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chr=vram[(ma<<1)];
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attr=vram[(ma<<1)+4];
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if (attr&8) charaddr=charsetb+(chr*128);
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else charaddr=charseta+(chr*128);
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if (drawcursor)
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{
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bg=pallook[egapal[attr&15]];
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fg=pallook[egapal[attr>>4]];
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}
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else
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{
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fg=pallook[egapal[attr&15]];
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bg=pallook[egapal[attr>>4]];
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if (attr&0x80 && attrregs[0x10]&8)
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{
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bg=pallook[egapal[(attr>>4)&7]];
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if (cgablink&16) fg=bg;
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}
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}
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dat=vram[charaddr+(sc<<2)];
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if (seqregs[1]&1)
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{
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for (xx=0;xx<8;xx++)
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((uint32_t *)buffer32->line[displine])[(x+32+xx)&2047]=(dat&(0x80>>xx))?fg:bg;
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}
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else
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{
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for (xx=0;xx<8;xx++)
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((uint32_t *)buffer32->line[displine])[(x+32+xx)&2047]=(dat&(0x80>>xx))?fg:bg;
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if ((chr&~0x1F)!=0xC0 || !(attrregs[0x10]&4))
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((uint32_t *)buffer32->line[displine])[(x+32+8)&2047]=bg;
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else
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((uint32_t *)buffer32->line[displine])[(x+32+8)&2047]=(dat&1)?fg:bg;
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}
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ma+=4; ma&=vrammask;
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}
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}
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}
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void svga_render_4bpp_lowres()
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{
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int x, offset;
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uint8_t edat[4], dat;
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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offset=((8-scrollcache)<<1)+16;
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for (x = 0; x <= svga_hdisp; x += 16)
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{
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edat[0]=vram[ma];
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edat[1]=vram[ma|0x1];
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edat[2]=vram[ma|0x2];
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edat[3]=vram[ma|0x3];
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ma+=4; ma&=vrammask;
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dat=edatlookup[edat[0]&3][edat[1]&3]|(edatlookup[edat[2]&3][edat[3]&3]<<2);
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((uint32_t *)buffer32->line[displine])[x+14+offset]=((uint32_t *)buffer32->line[displine])[x+15+offset]=pallook[egapal[dat&0xF]];
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((uint32_t *)buffer32->line[displine])[x+12+offset]=((uint32_t *)buffer32->line[displine])[x+13+offset]=pallook[egapal[dat>>4]];
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dat=edatlookup[(edat[0]>>2)&3][(edat[1]>>2)&3]|(edatlookup[(edat[2]>>2)&3][(edat[3]>>2)&3]<<2);
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((uint32_t *)buffer32->line[displine])[x+10+offset]=((uint32_t *)buffer32->line[displine])[x+11+offset]=pallook[egapal[dat&0xF]];
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((uint32_t *)buffer32->line[displine])[x+8+offset]= ((uint32_t *)buffer32->line[displine])[x+9+offset]=pallook[egapal[dat>>4]];
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dat=edatlookup[(edat[0]>>4)&3][(edat[1]>>4)&3]|(edatlookup[(edat[2]>>4)&3][(edat[3]>>4)&3]<<2);
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((uint32_t *)buffer32->line[displine])[x+6+offset]= ((uint32_t *)buffer32->line[displine])[x+7+offset]=pallook[egapal[dat&0xF]];
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((uint32_t *)buffer32->line[displine])[x+4+offset]= ((uint32_t *)buffer32->line[displine])[x+5+offset]=pallook[egapal[dat>>4]];
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dat=edatlookup[edat[0]>>6][edat[1]>>6]|(edatlookup[edat[2]>>6][edat[3]>>6]<<2);
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((uint32_t *)buffer32->line[displine])[x+2+offset]= ((uint32_t *)buffer32->line[displine])[x+3+offset]=pallook[egapal[dat&0xF]];
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((uint32_t *)buffer32->line[displine])[x+offset]= ((uint32_t *)buffer32->line[displine])[x+1+offset]=pallook[egapal[dat>>4]];
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}
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}
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void svga_render_4bpp_highres()
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{
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int x, offset;
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uint8_t edat[4], dat;
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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offset=(8-scrollcache)+24;
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for (x = 0; x <= svga_hdisp; x += 8)
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{
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edat[0]=vram[ma];
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edat[1]=vram[ma|0x1];
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edat[2]=vram[ma|0x2];
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edat[3]=vram[ma|0x3];
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ma+=4; ma&=vrammask;
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dat=edatlookup[edat[0]&3][edat[1]&3]|(edatlookup[edat[2]&3][edat[3]&3]<<2);
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((uint32_t *)buffer32->line[displine])[x+7+offset]=pallook[egapal[dat&0xF]];
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((uint32_t *)buffer32->line[displine])[x+6+offset]=pallook[egapal[dat>>4]];
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dat=edatlookup[(edat[0]>>2)&3][(edat[1]>>2)&3]|(edatlookup[(edat[2]>>2)&3][(edat[3]>>2)&3]<<2);
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((uint32_t *)buffer32->line[displine])[x+5+offset]=pallook[egapal[dat&0xF]];
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((uint32_t *)buffer32->line[displine])[x+4+offset]=pallook[egapal[dat>>4]];
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dat=edatlookup[(edat[0]>>4)&3][(edat[1]>>4)&3]|(edatlookup[(edat[2]>>4)&3][(edat[3]>>4)&3]<<2);
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((uint32_t *)buffer32->line[displine])[x+3+offset]=pallook[egapal[dat&0xF]];
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((uint32_t *)buffer32->line[displine])[x+2+offset]=pallook[egapal[dat>>4]];
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dat=edatlookup[edat[0]>>6][edat[1]>>6]|(edatlookup[edat[2]>>6][edat[3]>>6]<<2);
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((uint32_t *)buffer32->line[displine])[x+1+offset]=pallook[egapal[dat&0xF]];
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((uint32_t *)buffer32->line[displine])[x+offset]= pallook[egapal[dat>>4]];
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}
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}
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void svga_render_2bpp_lowres()
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{
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int x, offset;
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uint8_t edat[4], dat;
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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offset=((8-scrollcache)<<1)+16;
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/*Low res (320) only, though high res (640) should be possible*/
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for (x = 0; x <= svga_hdisp; x += 16)
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{
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if (sc&1 && !(crtc[0x17]&1))
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{
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edat[0]=vram[(ma<<1)+0x8000];
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edat[1]=vram[(ma<<1)+0x8004];
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}
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else
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{
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edat[0]=vram[(ma<<1)];
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edat[1]=vram[(ma<<1)+4];
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}
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ma+=4; ma&=vrammask;
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((uint32_t *)buffer32->line[displine])[x+14+offset]=((uint32_t *)buffer32->line[displine])[x+15+offset]=pallook[egapal[edat[1]&3]];
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((uint32_t *)buffer32->line[displine])[x+12+offset]=((uint32_t *)buffer32->line[displine])[x+13+offset]=pallook[egapal[(edat[1]>>2)&3]];
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dat=edatlookup[(edat[0]>>2)&3][(edat[1]>>2)&3]|(edatlookup[(edat[2]>>2)&3][(edat[3]>>2)&3]<<2);
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((uint32_t *)buffer32->line[displine])[x+10+offset]=((uint32_t *)buffer32->line[displine])[x+11+offset]=pallook[egapal[(edat[1]>>4)&3]];
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((uint32_t *)buffer32->line[displine])[x+8+offset]= ((uint32_t *)buffer32->line[displine])[x+9+offset]=pallook[egapal[(edat[1]>>6)&3]];
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dat=edatlookup[(edat[0]>>4)&3][(edat[1]>>4)&3]|(edatlookup[(edat[2]>>4)&3][(edat[3]>>4)&3]<<2);
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((uint32_t *)buffer32->line[displine])[x+6+offset]= ((uint32_t *)buffer32->line[displine])[x+7+offset]=pallook[egapal[(edat[0]>>0)&3]];
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((uint32_t *)buffer32->line[displine])[x+4+offset]= ((uint32_t *)buffer32->line[displine])[x+5+offset]=pallook[egapal[(edat[0]>>2)&3]];
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dat=edatlookup[edat[0]>>6][edat[1]>>6]|(edatlookup[edat[2]>>6][edat[3]>>6]<<2);
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((uint32_t *)buffer32->line[displine])[x+2+offset]= ((uint32_t *)buffer32->line[displine])[x+3+offset]=pallook[egapal[(edat[0]>>4)&3]];
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((uint32_t *)buffer32->line[displine])[x+offset]= ((uint32_t *)buffer32->line[displine])[x+1+offset]=pallook[egapal[(edat[0]>>6)&3]];
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}
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}
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void svga_render_8bpp_lowres()
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{
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int x, offset;
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uint8_t edat[4];
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if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
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{
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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offset=(8-(scrollcache&6))+24;
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for (x = 0; x <= svga_hdisp; x += 8)
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{
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edat[0]=vram[ma];
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edat[1]=vram[ma|0x1];
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edat[2]=vram[ma|0x2];
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edat[3]=vram[ma|0x3];
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ma+=4; ma&=vrammask;
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((uint32_t *)buffer32->line[displine])[x+6+offset]= ((uint32_t *)buffer32->line[displine])[x+7+offset]=pallook[edat[3]];
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((uint32_t *)buffer32->line[displine])[x+4+offset]= ((uint32_t *)buffer32->line[displine])[x+5+offset]=pallook[edat[2]];
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((uint32_t *)buffer32->line[displine])[x+2+offset]= ((uint32_t *)buffer32->line[displine])[x+3+offset]=pallook[edat[1]];
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((uint32_t *)buffer32->line[displine])[x+offset]= ((uint32_t *)buffer32->line[displine])[x+1+offset]=pallook[edat[0]];
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}
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}
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}
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void svga_render_8bpp_highres()
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{
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int x, offset;
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uint8_t edat[4];
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if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
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{
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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offset = (8 - ((scrollcache & 6) >> 1)) + 24;
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for (x = 0; x <= svga_hdisp; x += 8)
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{
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edat[0]=vram[ma];
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edat[1]=vram[ma|0x1];
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edat[2]=vram[ma|0x2];
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edat[3]=vram[ma|0x3];
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ma+=4; ma&=vrammask;
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((uint32_t *)buffer32->line[displine])[x+3+offset] = pallook[edat[3]];
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((uint32_t *)buffer32->line[displine])[x+2+offset] = pallook[edat[2]];
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((uint32_t *)buffer32->line[displine])[x+1+offset] = pallook[edat[1]];
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((uint32_t *)buffer32->line[displine])[x+offset] = pallook[edat[0]];
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edat[0]=vram[ma];
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edat[1]=vram[ma|0x1];
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edat[2]=vram[ma|0x2];
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edat[3]=vram[ma|0x3];
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ma+=4; ma&=vrammask;
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((uint32_t *)buffer32->line[displine])[x+7+offset] = pallook[edat[3]];
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((uint32_t *)buffer32->line[displine])[x+6+offset] = pallook[edat[2]];
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((uint32_t *)buffer32->line[displine])[x+5+offset] = pallook[edat[1]];
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((uint32_t *)buffer32->line[displine])[x+4+offset] = pallook[edat[0]];
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}
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}
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}
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void svga_render_15bpp_lowres()
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{
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int x, offset;
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uint16_t fg, bg;
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if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
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{
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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offset=(8-(scrollcache&6))+24;
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for (x = 0; x <= svga_hdisp; x += 4)
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{
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fg=vram[ma]|(vram[ma|0x1]<<8);
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bg=vram[ma|0x2]|(vram[ma|0x3]<<8);
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ma+=4; ma&=vrammask;
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((uint32_t *)buffer32->line[displine])[x+2+offset]=((uint32_t *)buffer32->line[displine])[x+3+offset]=((bg&31)<<3)|(((bg>>5)&31)<<11)|(((bg>>10)&31)<<19);
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((uint32_t *)buffer32->line[displine])[x+0+offset]=((uint32_t *)buffer32->line[displine])[x+1+offset]=((fg&31)<<3)|(((fg>>5)&31)<<11)|(((fg>>10)&31)<<19);
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}
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}
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}
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void svga_render_15bpp_highres()
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{
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int x, offset;
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uint16_t fg, bg;
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if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
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{
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if (firstline_draw == 2000) firstline_draw = displine;
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lastline_draw = displine;
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offset = (8 - ((scrollcache & 6) >> 1)) + 24;
|
||||
|
||||
for (x = 0; x <= svga_hdisp; x += 2)
|
||||
{
|
||||
fg=vram[ma]|(vram[ma|0x1]<<8);
|
||||
bg=vram[ma|0x2]|(vram[ma|0x3]<<8);
|
||||
ma+=4; ma&=vrammask;
|
||||
((uint32_t *)buffer32->line[displine])[x + 1 + offset] = ((bg&31)<<3)|(((bg>>5)&31)<<11)|(((bg>>10)&31)<<19);
|
||||
((uint32_t *)buffer32->line[displine])[x + 0 + offset] = ((fg&31)<<3)|(((fg>>5)&31)<<11)|(((fg>>10)&31)<<19);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void svga_render_16bpp_lowres()
|
||||
{
|
||||
int x, offset;
|
||||
uint16_t fg, bg;
|
||||
|
||||
if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
|
||||
{
|
||||
if (firstline_draw == 2000) firstline_draw = displine;
|
||||
lastline_draw = displine;
|
||||
|
||||
offset=(8-(scrollcache&6))+24;
|
||||
|
||||
for (x = 0; x <= svga_hdisp; x += 4)
|
||||
{
|
||||
fg=vram[ma]|(vram[ma|0x1]<<8);
|
||||
bg=vram[ma|0x2]|(vram[ma|0x3]<<8);
|
||||
ma+=4; ma&=vrammask;
|
||||
((uint32_t *)buffer32->line[displine])[x+2+offset]=((uint32_t *)buffer32->line[displine])[x+3+offset]=((bg&31)<<3)|(((bg>>5)&63)<<10)|(((bg>>11)&31)<<19);
|
||||
((uint32_t *)buffer32->line[displine])[x+0+offset]=((uint32_t *)buffer32->line[displine])[x+1+offset]=((fg&31)<<3)|(((fg>>5)&63)<<10)|(((fg>>11)&31)<<19);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void svga_render_16bpp_highres()
|
||||
{
|
||||
int x, offset;
|
||||
uint16_t fg, bg;
|
||||
|
||||
if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
|
||||
{
|
||||
if (firstline_draw == 2000) firstline_draw = displine;
|
||||
lastline_draw = displine;
|
||||
|
||||
offset = (8 - ((scrollcache & 6) >> 1)) + 24;
|
||||
|
||||
for (x = 0; x <= svga_hdisp; x += 2)
|
||||
{
|
||||
fg=vram[ma]|(vram[ma|0x1]<<8);
|
||||
bg=vram[ma|0x2]|(vram[ma|0x3]<<8);
|
||||
ma+=4; ma&=vrammask;
|
||||
((uint32_t *)buffer32->line[displine])[x + 1 + offset] = ((bg&31)<<3)|(((bg>>5)&63)<<10)|(((bg>>11)&31)<<19);
|
||||
((uint32_t *)buffer32->line[displine])[x + 0 + offset] = ((fg&31)<<3)|(((fg>>5)&63)<<10)|(((fg>>11)&31)<<19);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void svga_render_24bpp_lowres()
|
||||
{
|
||||
int x, offset;
|
||||
uint32_t fg;
|
||||
|
||||
if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
|
||||
{
|
||||
if (firstline_draw == 2000) firstline_draw = displine;
|
||||
lastline_draw = displine;
|
||||
|
||||
offset=(8-(scrollcache&6))+24;
|
||||
|
||||
for (x = 0; x <= svga_hdisp; x++)
|
||||
{
|
||||
fg=vram[ma]|(vram[ma+1]<<8)|(vram[ma+2]<<16);
|
||||
ma+=3; ma&=vrammask;
|
||||
((uint32_t *)buffer32->line[displine])[(x<<1)+offset]=((uint32_t *)buffer32->line[displine])[(x<<1)+1+offset]=fg;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void svga_render_24bpp_highres()
|
||||
{
|
||||
int x, offset;
|
||||
uint32_t fg;
|
||||
|
||||
if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
|
||||
{
|
||||
if (firstline_draw == 2000) firstline_draw = displine;
|
||||
lastline_draw = displine;
|
||||
|
||||
offset = (8 - ((scrollcache & 6) >> 1)) + 24;
|
||||
|
||||
for (x = 0; x <= svga_hdisp; x++)
|
||||
{
|
||||
fg=vram[ma]|(vram[ma+1]<<8)|(vram[ma+2]<<16);
|
||||
ma+=3; ma&=vrammask;
|
||||
((uint32_t *)buffer32->line[displine])[x + offset] = fg;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void svga_render_32bpp_lowres()
|
||||
{
|
||||
int x, offset;
|
||||
uint32_t fg;
|
||||
|
||||
if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
|
||||
{
|
||||
if (firstline_draw == 2000) firstline_draw = displine;
|
||||
lastline_draw = displine;
|
||||
|
||||
offset=(8-(scrollcache&6))+24;
|
||||
|
||||
for (x = 0; x <= svga_hdisp; x++)
|
||||
{
|
||||
fg = vram[ma] | (vram[ma + 1] << 8) | (vram[ma + 2] << 16);
|
||||
ma += 4; ma &= vrammask;
|
||||
((uint32_t *)buffer32->line[displine])[(x << 1) + offset] = ((uint32_t *)buffer32->line[displine])[(x << 1) + 1 + offset] = fg;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void svga_render_32bpp_highres()
|
||||
{
|
||||
int x, offset;
|
||||
uint32_t fg;
|
||||
|
||||
if (changedvram[ma>>10] || changedvram[(ma>>10)+1] || changedvram[(ma>>10)+2] || fullchange)
|
||||
{
|
||||
if (firstline_draw == 2000) firstline_draw = displine;
|
||||
lastline_draw = displine;
|
||||
|
||||
offset = (8 - ((scrollcache & 6) >> 1)) + 24;
|
||||
|
||||
for (x = 0; x <= svga_hdisp; x++)
|
||||
{
|
||||
fg=vram[ma]|(vram[ma+1]<<8)|(vram[ma+2]<<16);
|
||||
ma+=4; ma&=vrammask;
|
||||
((uint32_t *)buffer32->line[displine])[x + offset] = fg;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in a new issue