mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 15:27:46 -04:00
eliminate texrels (wip2)
This commit is contained in:
parent
ea38612fad
commit
99bdfd31b8
13 changed files with 102 additions and 147 deletions
68
pico/draw.c
68
pico/draw.c
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@ -35,18 +35,16 @@ int (*PicoScanBegin)(unsigned int num) = NULL;
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int (*PicoScanEnd) (unsigned int num) = NULL;
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static unsigned char DefHighCol[8+320+8];
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unsigned char *HighCol = DefHighCol;
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static unsigned char *HighColBase = DefHighCol;
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static int HighColIncrement;
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static unsigned int DefOutBuff[320*2/2];
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void *DrawLineDest = DefOutBuff; // pointer to dest buffer where to draw this line to
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void *DrawLineDestBase = DefOutBuff;
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int DrawLineDestIncrement;
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static int HighCacheA[41+1]; // caches for high layers
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static int HighCacheB[41+1];
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int HighPreSpr[80*2+1]; // slightly preprocessed sprites
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static int HighPreSpr[80*2+1]; // slightly preprocessed sprites
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#define SPRL_HAVE_HI 0x80 // have hi priority sprites
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#define SPRL_HAVE_LO 0x40 // *lo*
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@ -100,7 +98,7 @@ void blockcpy_or(void *dst, void *src, size_t n, int pat)
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#define TileNormMaker(funcname,pix_func) \
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static int funcname(int sx,int addr,int pal) \
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{ \
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unsigned char *pd = HighCol+sx; \
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unsigned char *pd = Pico.est.HighCol+sx; \
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unsigned int pack=0; unsigned int t=0; \
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\
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pack=*(unsigned int *)(Pico.vram+addr); /* Get 8 pixels */ \
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@ -124,7 +122,7 @@ static int funcname(int sx,int addr,int pal) \
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#define TileFlipMaker(funcname,pix_func) \
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static int funcname(int sx,int addr,int pal) \
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{ \
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unsigned char *pd = HighCol+sx; \
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unsigned char *pd = Pico.est.HighCol+sx; \
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unsigned int pack=0; unsigned int t=0; \
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\
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pack=*(unsigned int *)(Pico.vram+addr); /* Get 8 pixels */ \
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@ -515,7 +513,7 @@ static void DrawWindow(int tstart, int tend, int prio, int sh,
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pal=((code>>9)&0x30);
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if (prio) {
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int *zb = (int *)(HighCol+8+(tilex<<3));
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int *zb = (int *)(est->HighCol+8+(tilex<<3));
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*zb++ &= 0xbfbfbfbf;
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*zb &= 0xbfbfbfbf;
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} else {
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@ -541,7 +539,7 @@ static void DrawTilesFromCacheShPrep(void)
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// as some layer has covered whole line with hi priority tiles,
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// we can process whole line and then act as if sh/hi mode was off,
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// but leave lo pri op sprite markers alone
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int c = 320/4, *zb = (int *)(HighCol+8);
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int c = 320/4, *zb = (int *)(Pico.est.HighCol+8);
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Pico.est.rendstatus |= PDRAW_SHHI_DONE;
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while (c--)
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{
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@ -591,7 +589,7 @@ static void DrawTilesFromCache(int *hc, int sh, int rlim, struct PicoEState *est
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addr=(code&0x7ff)<<4;
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addr+=(unsigned int)code>>25; // y offset into tile
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dx=(code>>16)&0x1ff;
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zb = HighCol+dx;
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zb = est->HighCol+dx;
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*zb++ &= 0xbf; *zb++ &= 0xbf; *zb++ &= 0xbf; *zb++ &= 0xbf;
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*zb++ &= 0xbf; *zb++ &= 0xbf; *zb++ &= 0xbf; *zb++ &= 0xbf;
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@ -607,7 +605,7 @@ static void DrawTilesFromCache(int *hc, int sh, int rlim, struct PicoEState *est
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last_cut_tile:
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{
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unsigned int t, pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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unsigned char *pd = HighCol+dx;
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unsigned char *pd = est->HighCol+dx;
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if (!pack) return;
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if (code&0x0800)
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{
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@ -812,7 +810,7 @@ static void DrawSpritesSHi(unsigned char *sprited, const struct PicoEState *est)
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int offs, delta, width, height, row;
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offs = (p[cnt] & 0x7f) * 2;
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sprite = HighPreSpr + offs;
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sprite = est->HighPreSpr + offs;
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code = sprite[1];
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pal = (code>>9)&0x30;
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@ -936,7 +934,7 @@ static void DrawSpritesHiAS(unsigned char *sprited, int sh)
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/* nasty 1: remove 'sprite' flags */
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{
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int c = 320/4/4, *zb = (int *)(HighCol+8);
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int c = 320/4/4, *zb = (int *)(Pico.est.HighCol+8);
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while (c--)
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{
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*zb++ &= 0x7f7f7f7f; *zb++ &= 0x7f7f7f7f;
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@ -1147,7 +1145,7 @@ static void DrawAllSprites(unsigned char *sprited, int prio, int sh,
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// --------------------------------------------
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void BackFill(int reg7, int sh)
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void BackFill(int reg7, int sh, struct PicoEState *est)
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{
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unsigned int back;
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@ -1157,7 +1155,7 @@ void BackFill(int reg7, int sh)
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back|=back<<8;
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back|=back<<16;
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memset32((int *)(HighCol+8), back, 320/4);
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memset32((int *)(est->HighCol+8), back, 320/4);
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}
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#endif
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@ -1204,10 +1202,10 @@ void PicoDoHighPal555(int sh, int line, struct PicoEState *est)
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}
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}
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void FinalizeLine555(int sh, int line)
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void FinalizeLine555(int sh, int line, struct PicoEState *est)
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{
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unsigned short *pd=DrawLineDest;
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unsigned char *ps=HighCol+8;
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unsigned short *pd=est->DrawLineDest;
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unsigned char *ps=est->HighCol+8;
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unsigned short *pal=HighPal;
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int len;
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@ -1242,7 +1240,7 @@ void FinalizeLine555(int sh, int line)
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static void FinalizeLine8bit(int sh, int line, struct PicoEState *est)
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{
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unsigned char *pd = DrawLineDest;
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unsigned char *pd = est->DrawLineDest;
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int len, rs = est->rendstatus;
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static int dirty_count;
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@ -1271,12 +1269,12 @@ static void FinalizeLine8bit(int sh, int line, struct PicoEState *est)
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if (!sh && (rs & PDRAW_SONIC_MODE)) {
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if (dirty_count >= 11) {
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blockcpy_or(pd, HighCol+8, len, 0x80);
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blockcpy_or(pd, est->HighCol+8, len, 0x80);
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} else {
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blockcpy_or(pd, HighCol+8, len, 0x40);
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blockcpy_or(pd, est->HighCol+8, len, 0x40);
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}
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} else {
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blockcpy(pd, HighCol+8, len);
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blockcpy(pd, est->HighCol+8, len);
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}
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}
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@ -1403,8 +1401,8 @@ PICO_INTERNAL void PicoFrameStart(void)
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rendstatus_old = Pico.est.rendstatus;
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}
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HighCol = HighColBase + offs * HighColIncrement;
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DrawLineDest = (char *)DrawLineDestBase + offs * DrawLineDestIncrement;
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Pico.est.HighCol = HighColBase + offs * HighColIncrement;
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Pico.est.DrawLineDest = (char *)DrawLineDestBase + offs * DrawLineDestIncrement;
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Pico.est.DrawScanline = 0;
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skip_next_line = 0;
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@ -1421,7 +1419,7 @@ static void DrawBlankedLine(int line, int offs, int sh, int bgc)
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if (PicoScanBegin != NULL)
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PicoScanBegin(line + offs);
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BackFill(bgc, sh);
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BackFill(bgc, sh, &Pico.est);
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if (FinalizeLine != NULL)
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FinalizeLine(sh, line, &Pico.est);
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@ -1429,8 +1427,8 @@ static void DrawBlankedLine(int line, int offs, int sh, int bgc)
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if (PicoScanEnd != NULL)
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PicoScanEnd(line + offs);
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HighCol += HighColIncrement;
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DrawLineDest = (char *)DrawLineDest + DrawLineDestIncrement;
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Pico.est.HighCol += HighColIncrement;
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Pico.est.DrawLineDest = (char *)Pico.est.DrawLineDest + DrawLineDestIncrement;
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}
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static void PicoLine(int line, int offs, int sh, int bgc)
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@ -1452,7 +1450,7 @@ static void PicoLine(int line, int offs, int sh, int bgc)
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}
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// Draw screen:
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BackFill(bgc, sh);
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BackFill(bgc, sh, &Pico.est);
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if (Pico.video.reg[1]&0x40)
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DrawDisplay(sh);
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@ -1462,8 +1460,8 @@ static void PicoLine(int line, int offs, int sh, int bgc)
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if (PicoScanEnd != NULL)
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skip_next_line = PicoScanEnd(line + offs);
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HighCol += HighColIncrement;
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DrawLineDest = (char *)DrawLineDest + DrawLineDestIncrement;
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Pico.est.HighCol += HighColIncrement;
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Pico.est.DrawLineDest = (char *)Pico.est.DrawLineDest + DrawLineDestIncrement;
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}
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void PicoDrawSync(int to, int blank_last_line)
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@ -1539,7 +1537,7 @@ void PicoDrawSetOutBuf(void *dest, int increment)
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{
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DrawLineDestBase = dest;
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DrawLineDestIncrement = increment;
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DrawLineDest = DrawLineDestBase + Pico.est.DrawScanline * increment;
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Pico.est.DrawLineDest = DrawLineDestBase + Pico.est.DrawScanline * increment;
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}
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void PicoDrawSetInternalBuf(void *dest, int increment)
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@ -1547,7 +1545,7 @@ void PicoDrawSetInternalBuf(void *dest, int increment)
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if (dest != NULL) {
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HighColBase = dest;
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HighColIncrement = increment;
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HighCol = HighColBase + Pico.est.DrawScanline * increment;
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Pico.est.HighCol = HighColBase + Pico.est.DrawScanline * increment;
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}
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else {
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HighColBase = DefHighCol;
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@ -1572,4 +1570,12 @@ void PicoDrawSetCallbacks(int (*begin)(unsigned int num), int (*end)(unsigned in
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}
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}
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// vim:ts=4:sw=4:expandtab
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void PicoDrawInit(void)
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{
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Pico.est.DrawLineDest = DefOutBuff;
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Pico.est.HighCol = HighColBase;
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Pico.est.HighPreSpr = HighPreSpr;
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rendstatus_old = -1;
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}
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// vim:ts=2:sw=2:expandtab
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