\r
static int HighCacheA[41+1]; // caches for high layers\r
static int HighCacheB[41+1];\r
-static int HighCacheS[80+1]; // and sprites\r
-static int HighPreSpr[80*2+1]; // slightly preprocessed sprites\r
-int *HighCacheS_ptr;\r
+int HighPreSpr[80*2+1]; // slightly preprocessed sprites\r
+\r
+#define SPRL_HAVE_HI 0x80 // have hi priority sprites\r
+#define SPRL_HAVE_LO 0x40 // *lo*\r
+#define SPRL_MAY_HAVE_OP 0x20 // may have operator sprites on the line\r
+#define SPRL_LO_ABOVE_HI 0x10 // low priority sprites may be on top of hi\r
+unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES]; // sprite_count, ^flags, tile_count, [spritep]...\r
\r
int rendstatus = 0;\r
int DrawScanline = 0;\r
+int PicoDrawMask = -1;\r
\r
-static int SpriteBlocks;\r
static int skip_next_line=0;\r
\r
//unsigned short ppt[] = { 0x0f11, 0x0ff1, 0x01f1, 0x011f, 0x01ff, 0x0f1f, 0x0f0e, 0x0e7c };\r
\r
-static void (*DrawAllSpritesLoPri)(int *hcache, int maxwidth, int prio, int sh) = NULL;\r
-static void (*DrawAllSpritesHiPri)(int *hcache, int maxwidth, int prio, int sh) = NULL;\r
-\r
struct TileStrip\r
{\r
int nametab; // Position in VRAM of name table (for this tile line)\r
#ifdef _ASM_DRAW_C\r
void DrawWindow(int tstart, int tend, int prio, int sh);\r
void BackFill(int reg7, int sh);\r
-void DrawSprite(int *sprite, int sh, int as);\r
+void DrawAllSprites(unsigned char *sprited, int prio, int sh);\r
void DrawTilesFromCache(int *hc, int sh, int rlim);\r
-void DrawSpritesFromCache(int *hc, int maxwidth, int prio, int sh);\r
+void DrawSpritesSHi(unsigned char *sprited);\r
void DrawLayer(int plane_sh, int *hcache, int cellskip, int maxcells);\r
void FinalizeLineBGR444(int sh);\r
void FinalizeLineRGB555(int sh);\r
\r
#endif\r
\r
+#ifndef _ASM_DRAW_C\r
+\r
// draw a sprite pixel, process operator colors\r
#define pix_sh(x) \\r
if (!t); \\r
TileNormMaker(TileNormSH, pix_sh)\r
TileFlipMaker(TileFlipSH, pix_sh)\r
\r
-#ifndef _ASM_DRAW_C\r
// draw a sprite pixel ignoring operator colors\r
#define pix_sh_noop(x) \\r
if (t && t < 0xe) \\r
\r
TileNormMaker(TileNormSH_noop, pix_sh_noop)\r
TileFlipMaker(TileFlipSH_noop, pix_sh_noop)\r
-#endif\r
\r
// process operator pixels only, apply only on low pri tiles\r
#define pix_sh_onlyop(x) \\r
TileNormMaker(TileNormSH_onlyop_lp, pix_sh_onlyop)\r
TileFlipMaker(TileFlipSH_onlyop_lp, pix_sh_onlyop)\r
\r
+#endif\r
+\r
// draw a sprite pixel (AS)\r
#define pix_as(x) \\r
if (t && !(pd[x]&0x80)) pd[x]=pal|t\r
switch (rlim-dx+8)\r
{\r
case 7: t=pack&0x00f00000; if (t) pd[6]=(unsigned char)(pal|(t>>20));\r
- case 6: t=pack&0x0f000000; if (t) pd[5]=(unsigned char)(pal|(t>>24));\r
- case 5: t=pack&0xf0000000; if (t) pd[4]=(unsigned char)(pal|(t>>28));\r
- case 4: t=pack&0x0000000f; if (t) pd[3]=(unsigned char)(pal|(t ));\r
- case 3: t=pack&0x000000f0; if (t) pd[2]=(unsigned char)(pal|(t>> 4));\r
- case 2: t=pack&0x00000f00; if (t) pd[1]=(unsigned char)(pal|(t>> 8));\r
- case 1: t=pack&0x0000f000; if (t) pd[0]=(unsigned char)(pal|(t>>12));\r
- default: break;\r
+ case 6: t=pack&0x0f000000; if (t) pd[5]=(unsigned char)(pal|(t>>24));\r
+ case 5: t=pack&0xf0000000; if (t) pd[4]=(unsigned char)(pal|(t>>28));\r
+ case 4: t=pack&0x0000000f; if (t) pd[3]=(unsigned char)(pal|(t ));\r
+ case 3: t=pack&0x000000f0; if (t) pd[2]=(unsigned char)(pal|(t>> 4));\r
+ case 2: t=pack&0x00000f00; if (t) pd[1]=(unsigned char)(pal|(t>> 8));\r
+ case 1: t=pack&0x0000f000; if (t) pd[0]=(unsigned char)(pal|(t>>12));\r
+ default: break;\r
}\r
}\r
}\r
// Index + 0 : hhhhvvvv ab--hhvv yyyyyyyy yyyyyyyy // a: offscreen h, b: offs. v, h: horiz. size\r
// Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8\r
\r
-static void DrawSprite(int *sprite, int sh, int as)\r
+static void DrawSprite(int *sprite, int sh)\r
{\r
int width=0,height=0;\r
int row=0,code=0;\r
if (code&0x0800) { tile+=delta*(width-1); delta=-delta; } // Flip X\r
\r
tile &= 0x7ff; tile<<=4; tile+=(row&7)<<1; // Tile address\r
+ delta<<=4; // Delta of address\r
\r
pal=(code>>9)&0x30;\r
-\r
- // assume there will be no sprites with both normal and operator pixels..\r
- if ((code&0x8000) || (sh && pal == 0x30) || as) {\r
- *HighCacheS_ptr++ = ((code&0x8000)<<16)|(tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|pal|((sprite[0]>>16)&0xf);\r
- // we need all for accurate sprites, cached will be used to do proper priorities\r
- if (!as && (code&0x8000)) return;\r
- }\r
-\r
- delta<<=4; // Delta of address\r
- pal|=((sh|as)<<6);\r
+ pal|=sh<<6;\r
\r
if (sh && (code&0x6000) == 0x6000) {\r
if(code&0x0800) fTileFunc=TileFlipSH_noop;\r
}\r
\r
\r
-static void DrawAllSpritesInterlace(int *hcache, int maxwidth, int pri, int sh)\r
+static void DrawAllSpritesInterlace(int pri, int sh)\r
{\r
struct PicoVideo *pvid=&Pico.video;\r
int i,u,table,link=0,sline=DrawScanline<<1;\r
// check if sprite is not hidden offscreen\r
sx = (sx>>16)&0x1ff;\r
sx -= 0x78; // Get X coordinate + 8\r
- if(sx <= -8*3 || sx >= maxwidth) goto nextsprite;\r
+ if(sx <= -8*3 || sx >= 328) goto nextsprite;\r
\r
// sprite is good, save it's pointer\r
sprites[i++]=sprite;\r
// Go through sprites backwards:\r
for (i-- ;i>=0; i--)\r
DrawSpriteInterlace(sprites[i]);\r
-\r
- HighCacheS[0] = 1; // just to fool main code\r
}\r
\r
\r
#ifndef _ASM_DRAW_C\r
-static void DrawSpritesFromCache(int *hc, int maxwidth, int prio, int sh)\r
+// Index + 0 : hhhhvvvv ----hhvv yyyyyyyy yyyyyyyy // v, h: vert./horiz. size\r
+// Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8\r
+static void DrawSpritesSHi(unsigned char *sprited)\r
{\r
- int code, tile, sx, delta, width;\r
- int pal;\r
int (*fTileFunc)(int sx,int addr,int pal);\r
+ unsigned char *p;\r
+ int cnt;\r
\r
- // prio[31]:tile[30:17]:flipx[16]:sx[15:6]:pal[5:4]:delta_width[3:0]\r
+ cnt = sprited[0] & 0x7f;\r
+ if (cnt == 0) return;\r
\r
- while ((code=*hc++))\r
+ p = &sprited[3];\r
+\r
+ // Go through sprites backwards:\r
+ for (cnt--; cnt >= 0; cnt--)\r
{\r
- pal=(code&0x30);\r
- delta=code&0xf;\r
- width=delta>>2; delta&=3;\r
- width++; delta++; // Width and height in tiles\r
- if (code&0x10000) delta=-delta; // Flip X\r
- delta<<=4;\r
- tile=((unsigned int)code>>17)<<1; // also has prio\r
- sx=(code<<16)>>22; // sx can be negative (start offscreen), so sign extend\r
+ int *sprite, code, pal, tile, sx, sy;\r
+ int offs, delta, width, height, row;\r
\r
- if (sh && pal == 0x30)\r
+ offs = (p[cnt] & 0x7f) * 2;\r
+ sprite = HighPreSpr + offs;\r
+ code = sprite[1];\r
+ pal = (code>>9)&0x30;\r
+\r
+ if (pal == 0x30)\r
{\r
- if (code & 0x80000000) // hi priority\r
+ if (code & 0x8000) // hi priority\r
{\r
- if(code&0x10000) fTileFunc=TileFlipSH;\r
- else fTileFunc=TileNormSH;\r
+ if (code&0x800) fTileFunc=TileFlipSH;\r
+ else fTileFunc=TileNormSH;\r
} else {\r
- if(code&0x10000) fTileFunc=TileFlipSH_onlyop_lp;\r
- else fTileFunc=TileNormSH_onlyop_lp;\r
+ if (code&0x800) fTileFunc=TileFlipSH_onlyop_lp;\r
+ else fTileFunc=TileNormSH_onlyop_lp;\r
}\r
} else {\r
- if(code&0x10000) fTileFunc=TileFlip;\r
- else fTileFunc=TileNorm;\r
+ if (!(code & 0x8000)) continue; // non-operator low sprite, already drawn\r
+ if (code&0x800) fTileFunc=TileFlip;\r
+ else fTileFunc=TileNorm;\r
}\r
\r
+ // parse remaining sprite data\r
+ sy=sprite[0];\r
+ sx=code>>16; // X\r
+ width=sy>>28;\r
+ height=(sy>>24)&7; // Width and height in tiles\r
+ sy=(sy<<16)>>16; // Y\r
+\r
+ row=DrawScanline-sy; // Row of the sprite we are on\r
+\r
+ if (code&0x1000) row=(height<<3)-1-row; // Flip Y\r
+\r
+ tile=code + (row>>3); // Tile number increases going down\r
+ delta=height; // Delta to increase tile by going right\r
+ if (code&0x0800) { tile+=delta*(width-1); delta=-delta; } // Flip X\r
+\r
+ tile &= 0x7ff; tile<<=4; tile+=(row&7)<<1; // Tile address\r
+ delta<<=4; // Delta of address\r
+\r
for (; width; width--,sx+=8,tile+=delta)\r
{\r
if(sx<=0) continue;\r
}\r
}\r
}\r
-#endif\r
+#endif // !_ASM_DRAW_C\r
\r
-static void DrawSpritesFromCacheAS(int *hc, int maxwidth, int prio, int sh)\r
+static void DrawSpritesHiAS(unsigned char *sprited, int sh)\r
{\r
- int code, tile, sx, delta, width;\r
- int pal, *hce, *hco;\r
int (*fTileFunc)(int sx,int addr,int pal);\r
+ unsigned char *p;\r
+ int entry, cnt, sh_cnt = 0;\r
+\r
+ cnt = sprited[0] & 0x7f;\r
+ if (cnt == 0) return;\r
+\r
+ rendstatus |= PDRAW_SPR_LO_ON_HI;\r
\r
- // prio[31]:tile[30:17]:flipx[16]:sx[15:6]:pal[5:4]:delta_width[3:0]\r
+ p = &sprited[3];\r
\r
- /* walk the sprite cache backwards.. */\r
- hco = hce = HighCacheS_ptr;\r
- while (hce > hc)\r
+ // Go through sprites:\r
+ for (entry = 0; entry < cnt; entry++)\r
{\r
- code=*(--hce);\r
- pal=(code&0x30);\r
- delta=code&0xf;\r
- width=delta>>2; delta&=3;\r
- width++; delta++; // Width and height in tiles\r
- if (code&0x10000) delta=-delta; // Flip X\r
- delta<<=4;\r
- tile=((unsigned int)code>>17)<<1;\r
- sx=(code<<16)>>22; // sx can be negative (start offscreen), so sign extend\r
-\r
- if (code & 0x80000000) // hi priority\r
+ int *sprite, code, pal, tile, sx, sy;\r
+ int offs, delta, width, height, row;\r
+\r
+ offs = (p[entry] & 0x7f) * 2;\r
+ sprite = HighPreSpr + offs;\r
+ code = sprite[1];\r
+ pal = (code>>9)&0x30;\r
+\r
+ if (code & 0x8000) // hi priority\r
{\r
if (sh && pal == 0x30)\r
{\r
- if(code&0x10000) fTileFunc=TileFlipAS_noop;\r
- else fTileFunc=TileNormAS_noop;\r
+ if (code&0x800) fTileFunc=TileFlipAS_noop;\r
+ else fTileFunc=TileNormAS_noop;\r
} else {\r
- if(code&0x10000) fTileFunc=TileFlipAS;\r
- else fTileFunc=TileNormAS;\r
+ if (code&0x800) fTileFunc=TileFlipAS;\r
+ else fTileFunc=TileNormAS;\r
}\r
} else {\r
- if(code&0x10000) fTileFunc=TileFlipAS_onlymark;\r
- else fTileFunc=TileNormAS_onlymark;\r
+ if (code&0x800) fTileFunc=TileFlipAS_onlymark;\r
+ else fTileFunc=TileNormAS_onlymark;\r
}\r
if (sh && pal == 0x30)\r
- *(--hco) = code; /* save for later */\r
+ p[sh_cnt++] = offs / 2; // re-save for sh/hi pass\r
+\r
+ // parse remaining sprite data\r
+ sy=sprite[0];\r
+ sx=code>>16; // X\r
+ width=sy>>28;\r
+ height=(sy>>24)&7; // Width and height in tiles\r
+ sy=(sy<<16)>>16; // Y\r
+\r
+ row=DrawScanline-sy; // Row of the sprite we are on\r
+\r
+ if (code&0x1000) row=(height<<3)-1-row; // Flip Y\r
+\r
+ tile=code + (row>>3); // Tile number increases going down\r
+ delta=height; // Delta to increase tile by going right\r
+ if (code&0x0800) { tile+=delta*(width-1); delta=-delta; } // Flip X\r
+\r
+ tile &= 0x7ff; tile<<=4; tile+=(row&7)<<1; // Tile address\r
+ delta<<=4; // Delta of address\r
\r
pal |= 0x80;\r
for (; width; width--,sx+=8,tile+=delta)\r
}\r
}\r
\r
- if (!sh) return;\r
+ if (!sh || !(sprited[1]&SPRL_MAY_HAVE_OP)) return;\r
\r
/* nasty 1: remove 'sprite' flags */\r
{\r
}\r
}\r
\r
- /* nasty 2: loop once more and do operator colors */\r
- while ((code=*hco++))\r
- {\r
- pal=(code&0x30);\r
- if (pal != 0x30) continue;\r
- delta=code&0xf;\r
- width=delta>>2; delta&=3;\r
- width++; delta++;\r
- if (code&0x10000) delta=-delta; // Flip X\r
- delta<<=4;\r
- tile=((unsigned int)code>>17)<<1;\r
- sx=(code<<16)>>22;\r
-\r
- if (code & 0x80000000)\r
- {\r
- if(code&0x10000) fTileFunc=TileFlipSH;\r
- else fTileFunc=TileNormSH;\r
- } else {\r
- if(code&0x10000) fTileFunc=TileFlipSH_onlyop_lp;\r
- else fTileFunc=TileNormSH_onlyop_lp;\r
- }\r
-\r
- pal |= 0x80;\r
- for (; width; width--,sx+=8,tile+=delta)\r
- {\r
- if(sx<=0) continue;\r
- if(sx>=328) break; // Offscreen\r
-\r
- tile&=0x7fff; // Clip tile address\r
- fTileFunc(sx,tile,pal);\r
- }\r
- }\r
+ /* nasty 2: sh operator pass */\r
+ sprited[0] = sh_cnt;\r
+ DrawSpritesSHi(sprited);\r
}\r
\r
\r
-\r
// Index + 0 : ----hhvv -lllllll -------y yyyyyyyy\r
// Index + 4 : -------x xxxxxxxx pccvhnnn nnnnnnnn\r
// v\r
-// Index + 0 : hhhhvvvv ab--hhvv yyyyyyyy yyyyyyyy // a: offscreen h, b: offs. v, h: horiz. size\r
+// Index + 0 : hhhhvvvv ----hhvv yyyyyyyy yyyyyyyy // v, h: vert./horiz. size\r
// Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8\r
\r
-static void PrepareSprites(int full)\r
+void PrepareSprites(int full)\r
{\r
struct PicoVideo *pvid=&Pico.video;\r
- int u=0,link=0,sblocks=0;\r
+ int u,link=0,sh;\r
int table=0;\r
int *pd = HighPreSpr;\r
+ int max_lines = 224, max_sprites = 80, max_width = 328;\r
+ int max_line_sprites = 20; // 20 sprites, 40 tiles\r
+\r
+ if (!(Pico.video.reg[12]&1))\r
+ max_sprites = 64, max_line_sprites = 16, max_width = 264;\r
+ if (PicoOpt & POPT_DIS_SPRITE_LIM)\r
+ max_line_sprites = MAX_LINE_SPRITES;\r
+\r
+ if (pvid->reg[1]&8) max_lines = 240;\r
+ sh = Pico.video.reg[0xC]&8; // shadow/hilight?\r
\r
table=pvid->reg[5]&0x7f;\r
if (pvid->reg[12]&1) table&=0x7e; // Lowest bit 0 in 40-cell mode\r
{\r
int pack;\r
// updates: tilecode, sx\r
- for (u=0; u < 80 && (pack = *pd); u++, pd+=2)\r
+ for (u=0; u < max_sprites && (pack = *pd); u++, pd+=2)\r
{\r
unsigned int *sprite;\r
- int code, code2, sx, sy, skip=0;\r
+ int code2, sx, sy, height;\r
\r
sprite=(unsigned int *)(Pico.vram+((table+(link<<2))&0x7ffc)); // Find sprite\r
\r
// parse sprite info\r
- code = sprite[0];\r
code2 = sprite[1];\r
- code2 &= ~0xfe000000;\r
- code2 -= 0x00780000; // Get X coordinate + 8 in upper 16 bits\r
- sx = code2>>16;\r
+ sx = (code2>>16)&0x1ff;\r
+ sx -= 0x78; // Get X coordinate + 8\r
+ sy = (pack << 16) >> 16;\r
+ height = (pack >> 24) & 0xf;\r
\r
- if((sx <= 8-((pack>>28)<<3) && sx >= -0x76) || sx >= 328) skip=1<<23;\r
- else if ((sy = (pack<<16)>>16) < 240 && sy > -32) {\r
- int sbl = (2<<(pack>>28))-1;\r
- sblocks |= sbl<<(sy>>3);\r
+ if (sy < max_lines && sy + (height<<3) > DrawScanline && // sprite onscreen (y)?\r
+ (sx > -24 || sx < max_width)) // onscreen x\r
+ {\r
+ int y = (sy >= DrawScanline) ? sy : DrawScanline;\r
+ int entry = ((pd - HighPreSpr) / 2) | ((code2>>8)&0x80);\r
+ for (; y < sy + (height<<3) && y < max_lines; y++)\r
+ {\r
+ int i, cnt;\r
+ cnt = HighLnSpr[y][0] & 0x7f;\r
+ if (cnt >= max_line_sprites) continue; // sprite limit?\r
+\r
+ for (i = 0; i < cnt; i++)\r
+ if (((HighLnSpr[y][3+i] ^ entry) & 0x7f) == 0) goto found;\r
+\r
+ // this sprite was previously missing\r
+ HighLnSpr[y][3+cnt] = entry;\r
+ HighLnSpr[y][0] = cnt + 1;\r
+found:;\r
+ if (entry & 0x80)\r
+ HighLnSpr[y][1] |= SPRL_HAVE_HI;\r
+ else HighLnSpr[y][1] |= SPRL_HAVE_LO;\r
+ }\r
}\r
\r
- *pd = (pack&~(1<<23))|skip;\r
- *(pd+1) = code2;\r
+ code2 &= ~0xfe000000;\r
+ code2 -= 0x00780000; // Get X coordinate + 8 in upper 16 bits\r
+ pd[1] = code2;\r
\r
// Find next sprite\r
- link=(code>>16)&0x7f;\r
- if(!link) break; // End of sprites\r
+ link=(sprite[0]>>16)&0x7f;\r
+ if (!link) break; // End of sprites\r
}\r
- SpriteBlocks |= sblocks;\r
}\r
else\r
{\r
- for (; u < 80; u++)\r
+ for (u = 0; u < max_lines; u++)\r
+ *((int *)&HighLnSpr[u][0]) = 0;\r
+\r
+ for (u = 0; u < max_sprites; u++)\r
{\r
unsigned int *sprite;\r
- int code, code2, sx, sy, hv, height, width, skip=0, sx_min;\r
+ int code, code2, sx, sy, hv, height, width;\r
\r
sprite=(unsigned int *)(Pico.vram+((table+(link<<2))&0x7ffc)); // Find sprite\r
\r
hv = (code>>24)&0xf;\r
height = (hv&3)+1;\r
\r
- if (sy > 240 || sy + (height<<3) <= 0) skip|=1<<22; // sprite offscreen (completely, y)\r
-\r
width = (hv>>2)+1;\r
code2 = sprite[1];\r
sx = (code2>>16)&0x1ff;\r
sx -= 0x78; // Get X coordinate + 8\r
- sx_min = 8-(width<<3);\r
-\r
- if ((sx <= sx_min && sx >= -0x76) || sx >= 328) skip|=1<<23; // offscreen x\r
- else if (sx > sx_min && !skip) {\r
- int sbl = (2<<height)-1;\r
- int shi = sy>>3;\r
- if(shi < 0) shi=0; // negative sy\r
- sblocks |= sbl<<shi;\r
+\r
+ if (sy < max_lines && sy + (height<<3) > DrawScanline) // sprite onscreen (y)?\r
+ {\r
+ int entry, y, sx_min, onscr_x, maybe_op = 0;\r
+\r
+ sx_min = 8-(width<<3);\r
+ onscr_x = sx_min < sx && sx < max_width;\r
+ if (sh && (code2 & 0x6000) == 0x6000)\r
+ maybe_op = SPRL_MAY_HAVE_OP;\r
+\r
+ entry = ((pd - HighPreSpr) / 2) | ((code2>>8)&0x80);\r
+ y = (sy >= DrawScanline) ? sy : DrawScanline;\r
+ for (; y < sy + (height<<3) && y < max_lines; y++)\r
+ {\r
+ unsigned char *p = &HighLnSpr[y][0];\r
+ int cnt = p[0];\r
+ if (cnt >= max_line_sprites) continue; // sprite limit?\r
+\r
+ if (p[2] >= max_line_sprites*2) { // tile limit?\r
+ p[0] |= 0x80;\r
+ continue;\r
+ }\r
+ p[2] += width;\r
+\r
+ if (sx == -0x78) {\r
+ if (cnt > 0)\r
+ p[0] |= 0x80; // masked, no more sprites for this line\r
+ continue;\r
+ }\r
+ // must keep the first sprite even if it's offscreen, for masking\r
+ if (cnt > 0 && !onscr_x) continue; // offscreen x\r
+\r
+ p[3+cnt] = entry;\r
+ p[0] = cnt + 1;\r
+ p[1] |= (entry & 0x80) ? SPRL_HAVE_HI : SPRL_HAVE_LO;\r
+ p[1] |= maybe_op; // there might be op sprites on this line\r
+ if (cnt > 0 && (code2 & 0x8000) && !(p[3+cnt-1]&0x80))\r
+ p[1] |= SPRL_LO_ABOVE_HI;\r
+ }\r
}\r
\r
- *pd++ = (width<<28)|(height<<24)|skip|(hv<<16)|((unsigned short)sy);\r
+ *pd++ = (width<<28)|(height<<24)|(hv<<16)|((unsigned short)sy);\r
*pd++ = (sx<<16)|((unsigned short)code2);\r
\r
// Find next sprite\r
link=(code>>16)&0x7f;\r
- if(!link) break; // End of sprites\r
+ if (!link) break; // End of sprites\r
}\r
- SpriteBlocks = sblocks;\r
- *pd = 0; // terminate\r
+ *pd = 0;\r
+\r
+#if 0\r
+ for (u = 0; u < max_lines; u++)\r
+ {\r
+ int y;\r
+ printf("c%03i: %2i, %2i: ", u, HighLnSpr[u][0] & 0x7f, HighLnSpr[u][2]);\r
+ for (y = 0; y < HighLnSpr[u][0] & 0x7f; y++)\r
+ printf(" %i", HighLnSpr[u][y+3]);\r
+ printf("\n");\r
+ }\r
+#endif\r
}\r
}\r
\r
-static void DrawAllSprites(int *hcache, int maxwidth, int prio, int sh)\r
+#ifndef _ASM_DRAW_C\r
+static void DrawAllSprites(unsigned char *sprited, int prio, int sh)\r
{\r
- int i,u,n;\r
- int sx1seen = 0; // sprite with x coord 1 or 0 seen\r
- int ntiles = 0; // tile counter for sprite limit emulation\r
- int *sprites[40]; // Sprites to draw in fast mode\r
- int max_line_sprites = 20; // 20 sprites, 40 tiles\r
- int *ps, pack, rs = rendstatus, scan = DrawScanline;\r
+ int rs = rendstatus;\r
+ unsigned char *p;\r
+ int cnt;\r
\r
if (rs & (PDRAW_SPRITES_MOVED|PDRAW_DIRTY_SPRITES)) {\r
- //dprintf("PrepareSprites(%i) [%i]", (rs>>4)&1, scan);\r
+ //elprintf(EL_STATUS, "PrepareSprites(%i)", (rs>>4)&1);\r
PrepareSprites(rs & PDRAW_DIRTY_SPRITES);\r
rendstatus = rs & ~(PDRAW_SPRITES_MOVED|PDRAW_DIRTY_SPRITES);\r
}\r
- if (!(SpriteBlocks & (1<<(scan>>3)))) { *hcache = 0; return; }\r
-\r
- if (PicoOpt & POPT_DIS_SPRITE_LIM)\r
- max_line_sprites = 80;\r
\r
- HighCacheS_ptr = hcache;\r
- ps = HighPreSpr;\r
+ cnt = sprited[0] & 0x7f;\r
+ if (cnt == 0) return;\r
\r
- // Index + 0 : hhhhvvvv ab--hhvv yyyyyyyy yyyyyyyy // a: offscreen h, b: offs. v, h: horiz. size\r
- // Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8\r
+ p = &sprited[3];\r
\r
- for (i=u=n=0; (pack = *ps) && n < max_line_sprites; ps+=2, u++)\r
+ // Go through sprites backwards:\r
+ for (cnt--; cnt >= 0; cnt--)\r
{\r
- int sx, sy, row, pack2;\r
-\r
- if (pack & 0x00400000) continue;\r
-\r
- // get sprite info\r
- pack2 = *(ps+1);\r
- sx = pack2>>16;\r
- sy = (pack <<16)>>16;\r
- row = scan-sy;\r
-\r
- // elprintf(EL_ANOMALY, "x: %4i y: %4i p %i %ix%i", sx, sy, (pack2>>15)&1, (pack>>28)<<3, (pack>>21)&0x38);\r
-\r
- if (sx == -0x77) sx1seen|=1; // for masking mode 2\r
-\r
- // check if it is on this line\r
- if (row < 0 || row >= ((pack>>21)&0x38)) continue; // no\r
-\r
- // masking sprite?\r
- if (sx == -0x78) {\r
- if (n > 0) break; // masked\r
- continue;\r
- }\r
-\r
- n++; // number of sprites on this line (both visible and hidden, except of x=0)\r
-\r
- // sprite limit\r
- ntiles += pack>>28;\r
- if (ntiles > max_line_sprites*2) break;\r
-\r
- if (pack & 0x00800000) continue;\r
-\r
- // sprite is good, save it's pointer\r
- sprites[i++]=ps;\r
+ int offs;\r
+ if ((p[cnt] >> 7) != prio) continue;\r
+ offs = (p[cnt]&0x7f) * 2;\r
+ DrawSprite(HighPreSpr + offs, sh);\r
}\r
-\r
- n = (rs & PDRAW_ACC_SPRITES) ? 1 : 0;\r
-\r
- // Go through sprites backwards:\r
- for (i--; i>=0; i--)\r
- DrawSprite(sprites[i],sh,n);\r
-\r
- // terminate cache list\r
- *HighCacheS_ptr = 0;\r
}\r
\r
\r
// --------------------------------------------\r
\r
-#ifndef _ASM_DRAW_C\r
static void BackFill(int reg7, int sh)\r
{\r
unsigned int back;\r
unsigned short HighPal[0x100];\r
\r
#ifndef _ASM_DRAW_C\r
+void PicoDoHighPal555(int sh)\r
+{\r
+ unsigned short *pal=HighPal;\r
+ int i, t;\r
+\r
+ Pico.m.dirtyPal = 0;\r
+\r
+ {\r
+ unsigned int *spal=(void *)Pico.cram;\r
+ unsigned int *dpal=(void *)HighPal;\r
+ for (i = 0x3f/2; i >= 0; i--)\r
+#ifdef USE_BGR555\r
+ dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);\r
+#else\r
+ dpal[i] = ((spal[i]&0x000f000f)<<12)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)>>7);\r
+#endif\r
+ }\r
+\r
+ if (sh)\r
+ {\r
+ // shadowed pixels\r
+ for (i = 0x3f; i >= 0; i--)\r
+ pal[0x40|i] = pal[0xc0|i] = (unsigned short)((pal[i]>>1)&0x738e);\r
+ // hilighted pixels\r
+ for (i = 0x3f; i >= 0; i--) {\r
+ t=pal[i]&0xe71c;t+=0x4208;if(t&0x20)t|=0x1c;if(t&0x800)t|=0x700;if(t&0x10000)t|=0xe000;t&=0xe71c;\r
+ pal[0x80|i]=(unsigned short)t;\r
+ }\r
+ }\r
+}\r
+\r
static void FinalizeLineBGR444(int sh)\r
{\r
unsigned short *pd=DrawLineDest;\r
}\r
}\r
\r
- if (!sh && (rendstatus & PDRAW_ACC_SPRITES))\r
+ if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r
mask=0x3f; // accurate sprites\r
\r
for(i = 0; i < len; i++)\r
unsigned short *pd=DrawLineDest;\r
unsigned char *ps=HighCol+8;\r
unsigned short *pal=HighPal;\r
- int len, i, t, dirtyPal = Pico.m.dirtyPal;\r
+ int len;\r
\r
- if (dirtyPal)\r
- {\r
- unsigned int *spal=(void *)Pico.cram;\r
- unsigned int *dpal=(void *)HighPal;\r
- for (i = 0x3f/2; i >= 0; i--)\r
-#ifdef USE_BGR555\r
- dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);\r
-#else\r
- dpal[i] = ((spal[i]&0x000f000f)<<12)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)>>7);\r
-#endif\r
- Pico.m.dirtyPal = 0;\r
- }\r
-\r
- if (sh)\r
- {\r
- if (dirtyPal) {\r
- // shadowed pixels\r
- for (i = 0x3f; i >= 0; i--)\r
- pal[0x40|i] = pal[0xc0|i] = (unsigned short)((pal[i]>>1)&0x738e);\r
- // hilighted pixels\r
- for (i = 0x3f; i >= 0; i--) {\r
- t=pal[i]&0xe71c;t+=0x4208;if(t&0x20)t|=0x1c;if(t&0x800)t|=0x700;if(t&0x10000)t|=0xe000;t&=0xe71c;\r
- pal[0x80|i]=(unsigned short)t;\r
- }\r
- }\r
- }\r
+ if (Pico.m.dirtyPal)\r
+ PicoDoHighPal555(sh);\r
\r
if (Pico.video.reg[12]&1) {\r
len = 320;\r
\r
{\r
#ifndef PSP\r
- int mask=0xff;\r
- if (!sh && (rendstatus & PDRAW_ACC_SPRITES))\r
+ int i, mask=0xff;\r
+ if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r
mask=0x3f; // accurate sprites, upper bits are priority stuff\r
\r
for (i = 0; i < len; i++)\r
#else\r
extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);\r
extern void amips_clut_6bit(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);\r
- if (!sh && (rendstatus & PDRAW_ACC_SPRITES))\r
+ if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r
amips_clut_6bit(pd, ps, pal, len);\r
else amips_clut(pd, ps, pal, len);\r
#endif\r
int len, rs = rendstatus;\r
static int dirty_count;\r
\r
- if (!sh && !(rs & PDRAW_ACC_SPRITES) && Pico.m.dirtyPal == 1 && DrawScanline < 222)\r
+ if (!sh && Pico.m.dirtyPal == 1 && DrawScanline < 222)\r
{\r
// a hack for mid-frame palette changes\r
if (!(rs & PDRAW_SONIC_MODE))\r
PicoScanEnd(DrawScanline);\r
}\r
\r
-static int DrawDisplay(int sh, int as)\r
+static int DrawDisplay(int sh)\r
{\r
+ unsigned char *sprited = &HighLnSpr[DrawScanline][0];\r
struct PicoVideo *pvid=&Pico.video;\r
int win=0,edge=0,hvwind=0;\r
- int maxw, maxcells;\r
+ int maxw,maxcells;\r
\r
rendstatus &= ~(PDRAW_SHHI_DONE|PDRAW_PLANE_HI_PRIO);\r
\r
- if(pvid->reg[12]&1) {\r
+ if (pvid->reg[12]&1) {\r
maxw = 328; maxcells = 40;\r
} else {\r
maxw = 264; maxcells = 32;\r
if (win&0x80) { if (DrawScanline>=edge) hvwind=1; }\r
else { if (DrawScanline< edge) hvwind=1; }\r
\r
- if (!hvwind) { // we might have a vertical window here\r
+ if (!hvwind) // we might have a vertical window here\r
+ {\r
win=pvid->reg[0x11];\r
edge=win&0x1f;\r
if (win&0x80) {\r
}\r
}\r
\r
- DrawLayer(1|((sh|as)<<1), HighCacheB, 0, maxcells);\r
- if (hvwind == 1)\r
- DrawWindow(0, maxcells>>1, 0, sh|as);\r
+ /* - layer B low - */\r
+ if (PicoDrawMask & PDRAW_LAYERB_ON)\r
+ DrawLayer(1|(sh<<1), HighCacheB, 0, maxcells);\r
+ /* - layer A low - */\r
+ if (!(PicoDrawMask & PDRAW_LAYERA_ON));\r
+ else if (hvwind == 1)\r
+ DrawWindow(0, maxcells>>1, 0, sh);\r
else if (hvwind == 2) {\r
- // ahh, we have vertical window\r
- DrawLayer(0|((sh|as)<<1), HighCacheA, (win&0x80) ? 0 : edge<<1, (win&0x80) ? edge<<1 : maxcells);\r
- DrawWindow( (win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 0, sh|as);\r
+ DrawLayer(0|(sh<<1), HighCacheA, (win&0x80) ? 0 : edge<<1, (win&0x80) ? edge<<1 : maxcells);\r
+ DrawWindow( (win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 0, sh);\r
} else\r
- DrawLayer(0|((sh|as)<<1), HighCacheA, 0, maxcells);\r
- DrawAllSpritesLoPri(HighCacheS, maxw, 0, sh);\r
-\r
- if (HighCacheB[0]) DrawTilesFromCache(HighCacheB, sh, 328);\r
- if (hvwind == 1)\r
+ DrawLayer(0|(sh<<1), HighCacheA, 0, maxcells);\r
+ /* - sprites low - */\r
+ if (!(PicoDrawMask & PDRAW_SPRITES_LOW_ON));\r
+ else if (rendstatus & PDRAW_INTERLACE)\r
+ DrawAllSpritesInterlace(0, sh);\r
+ else if (sprited[1] & SPRL_HAVE_LO)\r
+ DrawAllSprites(sprited, 0, sh);\r
+\r
+ /* - layer B hi - */\r
+ if ((PicoDrawMask & PDRAW_LAYERB_ON) && HighCacheB[0])\r
+ DrawTilesFromCache(HighCacheB, sh, maxw);\r
+ /* - layer A hi - */\r
+ if (!(PicoDrawMask & PDRAW_LAYERA_ON));\r
+ else if (hvwind == 1)\r
DrawWindow(0, maxcells>>1, 1, sh);\r
else if (hvwind == 2) {\r
- if(HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh, (win&0x80) ? edge<<4 : 328);\r
+ if (HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh, (win&0x80) ? edge<<4 : maxw);\r
DrawWindow((win&0x80) ? edge : 0, (win&0x80) ? maxcells>>1 : edge, 1, sh);\r
} else\r
- if (HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh, 328);\r
- if (HighCacheS[0]) DrawAllSpritesHiPri(HighCacheS, maxw, 1, sh);\r
+ if (HighCacheA[0]) DrawTilesFromCache(HighCacheA, sh, maxw);\r
+ /* - sprites hi - */\r
+ if (!(PicoDrawMask & PDRAW_SPRITES_HI_ON));\r
+ else if (rendstatus & PDRAW_INTERLACE)\r
+ DrawAllSpritesInterlace(1, sh);\r
+ // have sprites without layer pri bit ontop of sprites with that bit\r
+ else if ((sprited[1] & 0xd0) == 0xd0 && (PicoOpt & POPT_ACC_SPRITES))\r
+ DrawSpritesHiAS(sprited, sh);\r
+ else if (sh && (sprited[1] & SPRL_MAY_HAVE_OP))\r
+ DrawSpritesSHi(sprited);\r
+ else if (sprited[1] & SPRL_HAVE_HI)\r
+ DrawAllSprites(sprited, 1, 0);\r
\r
#if 0\r
{\r
return 0;\r
}\r
\r
-\r
+// MUST be called every frame\r
PICO_INTERNAL void PicoFrameStart(void)\r
{\r
// prepare to do this frame\r
- rendstatus = (PicoOpt&0x80)>>5; // accurate sprites, clear everything else\r
- if ((Pico.video.reg[12]&6) == 6) {\r
+ rendstatus = 0;\r
+ if ((Pico.video.reg[12]&6) == 6)\r
rendstatus |= PDRAW_INTERLACE; // interlace mode\r
- DrawAllSpritesLoPri = DrawAllSpritesInterlace;\r
- DrawAllSpritesHiPri = DrawAllSpritesInterlace;\r
- }\r
- else\r
- {\r
- DrawAllSpritesLoPri = DrawAllSprites;\r
- DrawAllSpritesHiPri = rendstatus ? DrawSpritesFromCacheAS : DrawSpritesFromCache;\r
- }\r
\r
if (Pico.m.dirtyPal) Pico.m.dirtyPal = 2; // reset dirty if needed\r
\r
+ DrawScanline=0;\r
PrepareSprites(1);\r
skip_next_line=0;\r
- DrawScanline=0;\r
}\r
\r
static void PicoLine(void)\r
{\r
- int sh, as = 0;\r
+ int sh;\r
if (skip_next_line>0) { skip_next_line--; return; } // skip rendering lines\r
\r
sh=(Pico.video.reg[0xC]&8)>>3; // shadow/hilight?\r
- if (rendstatus & PDRAW_ACC_SPRITES) as|=1; // accurate sprites\r
\r
if (PicoScanBegin != NULL)\r
skip_next_line = PicoScanBegin(DrawScanline);\r
\r
// Draw screen:\r
- BackFill(Pico.video.reg[7], sh|as);\r
+ BackFill(Pico.video.reg[7], sh);\r
if (Pico.video.reg[1]&0x40)\r
- DrawDisplay(sh, as);\r
+ DrawDisplay(sh);\r
\r
if (FinalizeLine != NULL)\r
FinalizeLine(sh);\r
\r
if (PicoScanEnd != NULL)\r
- PicoScanEnd(DrawScanline);\r
+ skip_next_line = PicoScanEnd(DrawScanline);\r
}\r
\r
void PicoDrawSync(int to, int blank_last_line)\r
}\r
\r
#if !CAN_HANDLE_240_LINES\r
- if (DrawScanline >= 224) DrawScanline = 240, return;\r
+ if (DrawScanline >= 224) { DrawScanline = 240; return; }\r
#endif\r
\r
// last line\r