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@@ -1,667 +0,0 @@
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-// This is part of Pico Library
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-
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-// (c) Copyright 2004 Dave, All rights reserved.
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-// (c) Copyright 2006 notaz, All rights reserved.
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-// Free for non-commercial use.
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-
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-// For commercial use, separate licencing terms must be obtained.
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-
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-
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-#include "../../Pico/PicoInt.h"
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-#undef blockcpy
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-
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-extern unsigned short DefOutBuff[320*2];
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-extern unsigned char HighCol[8+320+8];
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-extern char HighSprZ[320+8+8]; // Z-buffer for accurate sprites and shadow/hilight mode
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- // (if bit 7 == 0, sh caused by tile; if bit 6 == 0 pixel must be shadowed, else hilighted, if bit5 == 1)
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-// lsb->msb: moved sprites, all window tiles don't use same priority, accurate sprites (copied from PicoOpt), interlace
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-// dirty sprites, sonic mode
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-extern int rendstatus;
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-extern int Scanline; // Scanline
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-
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-
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-struct TileStrip
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-{
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- int nametab; // Position in VRAM of name table (for this tile line)
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- int line; // Line number in pixels 0x000-0x3ff within the virtual tilemap
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- int hscroll; // Horizontal scroll value in pixels for the line
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- int xmask; // X-Mask (0x1f - 0x7f) for horizontal wraparound in the tilemap
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- int *hc; // cache for high tile codes and their positions
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- int cells; // cells (tiles) to draw (32 col mode doesn't need to update whole 320)
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-};
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-
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-// utility
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-void *blockcpy(void *dst, const void *src, size_t n)
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-{
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- return memcpy(dst, src, n);
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-}
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-
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-void blockcpy_or(void *dst, void *src, size_t n, int pat)
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-{
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- unsigned char *pd = dst, *ps = src;
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- for (; n; n--)
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- *pd++ = (unsigned char) (*ps++ | pat);
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-}
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-
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-
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-static int TileNorm(int sx,int addr,int pal)
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-{
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- unsigned char *pd = 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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- if (pack)
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- {
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- t=pack&0x0000f000; if (t) pd[0]=(unsigned char)(pal|(t>>12));
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- t=pack&0x00000f00; if (t) pd[1]=(unsigned char)(pal|(t>> 8));
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- t=pack&0x000000f0; if (t) pd[2]=(unsigned char)(pal|(t>> 4));
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- t=pack&0x0000000f; if (t) pd[3]=(unsigned char)(pal|(t ));
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- t=pack&0xf0000000; if (t) pd[4]=(unsigned char)(pal|(t>>28));
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- t=pack&0x0f000000; if (t) pd[5]=(unsigned char)(pal|(t>>24));
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- t=pack&0x00f00000; if (t) pd[6]=(unsigned char)(pal|(t>>20));
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- t=pack&0x000f0000; if (t) pd[7]=(unsigned char)(pal|(t>>16));
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- return 0;
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- }
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-
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- return 1; // Tile blank
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-}
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-
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-static int TileFlip(int sx,int addr,int pal)
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-{
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- unsigned char *pd = 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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- if (pack)
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- {
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- t=pack&0x000f0000; if (t) pd[0]=(unsigned char)(pal|(t>>16));
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- t=pack&0x00f00000; if (t) pd[1]=(unsigned char)(pal|(t>>20));
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- t=pack&0x0f000000; if (t) pd[2]=(unsigned char)(pal|(t>>24));
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- t=pack&0xf0000000; if (t) pd[3]=(unsigned char)(pal|(t>>28));
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- t=pack&0x0000000f; if (t) pd[4]=(unsigned char)(pal|(t ));
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- t=pack&0x000000f0; if (t) pd[5]=(unsigned char)(pal|(t>> 4));
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- t=pack&0x00000f00; if (t) pd[6]=(unsigned char)(pal|(t>> 8));
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- t=pack&0x0000f000; if (t) pd[7]=(unsigned char)(pal|(t>>12));
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- return 0;
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- }
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- return 1; // Tile blank
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-}
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-
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-
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-// tile renderers for hacky operator sprite support
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-#define sh_pix(x) \
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- if(!t); \
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- else if(t==0xe) pd[x]=(unsigned char)((pd[x]&0x3f)|0x80); /* hilight */ \
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- else if(t==0xf) pd[x]=(unsigned char)((pd[x]&0x3f)|0xc0); /* shadow */ \
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- else pd[x]=(unsigned char)(pal|t);
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-
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-static int TileNormSH(int sx,int addr,int pal)
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-{
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- unsigned int pack=0; unsigned int t=0;
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- unsigned char *pd = HighCol+sx;
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-
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- pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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- if (pack)
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- {
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- t=(pack&0x0000f000)>>12; sh_pix(0);
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- t=(pack&0x00000f00)>> 8; sh_pix(1);
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- t=(pack&0x000000f0)>> 4; sh_pix(2);
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- t=(pack&0x0000000f) ; sh_pix(3);
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- t=(pack&0xf0000000)>>28; sh_pix(4);
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- t=(pack&0x0f000000)>>24; sh_pix(5);
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- t=(pack&0x00f00000)>>20; sh_pix(6);
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- t=(pack&0x000f0000)>>16; sh_pix(7);
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- return 0;
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- }
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-
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- return 1; // Tile blank
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-}
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-
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-static int TileFlipSH(int sx,int addr,int pal)
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-{
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- unsigned int pack=0; unsigned int t=0;
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- unsigned char *pd = HighCol+sx;
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-
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- pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels
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- if (pack)
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- {
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- t=(pack&0x000f0000)>>16; sh_pix(0);
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- t=(pack&0x00f00000)>>20; sh_pix(1);
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- t=(pack&0x0f000000)>>24; sh_pix(2);
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- t=(pack&0xf0000000)>>28; sh_pix(3);
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- t=(pack&0x0000000f) ; sh_pix(4);
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- t=(pack&0x000000f0)>> 4; sh_pix(5);
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- t=(pack&0x00000f00)>> 8; sh_pix(6);
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- t=(pack&0x0000f000)>>12; sh_pix(7);
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- return 0;
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- }
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- return 1; // Tile blank
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-}
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-
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-
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-// --------------------------------------------
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-
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-static void DrawStrip(struct TileStrip *ts, int sh)
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-{
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- int tilex=0,dx=0,ty=0,code=0,addr=0,cells;
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- int oldcode=-1,blank=-1; // The tile we know is blank
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- int pal=0;
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-
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- // Draw tiles across screen:
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- tilex=(-ts->hscroll)>>3;
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- ty=(ts->line&7)<<1; // Y-Offset into tile
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- dx=((ts->hscroll-1)&7)+1;
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- cells = ts->cells;
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- if(dx != 8) cells++; // have hscroll, need to draw 1 cell more
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-
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- for (; cells; dx+=8,tilex++,cells--)
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- {
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- int zero=0;
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-
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- code=Pico.vram[ts->nametab+(tilex&ts->xmask)];
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- if (code==blank) continue;
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- if (code>>15) { // high priority tile
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- int cval = code | (dx<<16) | (ty<<25);
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- if(code&0x1000) cval^=7<<26;
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- *ts->hc++ = cval; // cache it
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- continue;
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- }
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-continue;
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- if (code!=oldcode) {
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- oldcode = code;
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- // Get tile address/2:
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- addr=(code&0x7ff)<<4;
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- addr+=ty;
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- if (code&0x1000) addr^=0xe; // Y-flip
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-
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-// pal=Pico.cram+((code>>9)&0x30);
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- pal=((code>>9)&0x30)|(sh<<6);
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- }
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-
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- if (code&0x0800) zero=TileFlip(dx,addr,pal);
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- else zero=TileNorm(dx,addr,pal);
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-
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- if (zero) blank=code; // We know this tile is blank now
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- }
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-
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- // terminate the cache list
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- *ts->hc = 0;
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-}
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-
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-static void DrawStripVSRam(struct TileStrip *ts, int plane)
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-{
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- int tilex=0,dx=0,ty=0,code=0,addr=0,cell=0,nametabadd=0;
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- int oldcode=-1,blank=-1; // The tile we know is blank
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- int pal=0,scan=Scanline;
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-
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- // Draw tiles across screen:
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- tilex=(-ts->hscroll)>>3;
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- dx=((ts->hscroll-1)&7)+1;
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- if(dx != 8) {
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- int vscroll, line;
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- cell--; // have hscroll, start with negative cell
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- // also calculate intial VS stuff
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- vscroll=Pico.vsram[plane];
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-
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- // Find the line in the name table
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- line=(vscroll+scan)&ts->line&0xffff; // ts->line is really ymask ..
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- nametabadd=(line>>3)<<(ts->line>>24); // .. and shift[width]
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- ty=(line&7)<<1; // Y-Offset into tile
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- }
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-
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- for (; cell < ts->cells; dx+=8,tilex++,cell++)
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- {
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- int zero=0;
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-
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- if((cell&1)==0) {
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- int line,vscroll;
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- vscroll=Pico.vsram[plane+(cell&~1)];
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-
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- // Find the line in the name table
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- line=(vscroll+scan)&ts->line&0xffff; // ts->line is really ymask ..
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- nametabadd=(line>>3)<<(ts->line>>24); // .. and shift[width]
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- ty=(line&7)<<1; // Y-Offset into tile
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- }
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-
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- code=Pico.vram[ts->nametab+nametabadd+(tilex&ts->xmask)];
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- if (code==blank) continue;
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- if (code>>15) { // high priority tile
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- int cval = code | (dx<<16) | (ty<<25);
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- if(code&0x1000) cval^=7<<26;
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- *ts->hc++ = cval; // cache it
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- continue;
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- }
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-
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- if (code!=oldcode) {
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- oldcode = code;
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- // Get tile address/2:
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- addr=(code&0x7ff)<<4;
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- if (code&0x1000) addr+=14-ty; else addr+=ty; // Y-flip
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-
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-// pal=Pico.cram+((code>>9)&0x30);
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- pal=((code>>9)&0x30);
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- }
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-
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- if (code&0x0800) zero=TileFlip(dx,addr,pal);
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- else zero=TileNorm(dx,addr,pal);
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-
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- if (zero) blank=code; // We know this tile is blank now
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- }
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-
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- // terminate the cache list
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- *ts->hc = 0;
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-}
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-
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-static void DrawStripInterlace(struct TileStrip *ts)
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-{
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- int tilex=0,dx=0,ty=0,code=0,addr=0,cells;
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- int oldcode=-1,blank=-1; // The tile we know is blank
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- int pal=0;
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-
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- // Draw tiles across screen:
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- tilex=(-ts->hscroll)>>3;
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- ty=(ts->line&15)<<1; // Y-Offset into tile
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- dx=((ts->hscroll-1)&7)+1;
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- cells = ts->cells;
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- if(dx != 8) cells++; // have hscroll, need to draw 1 cell more
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-
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- for (; cells; dx+=8,tilex++,cells--)
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- {
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- int zero=0;
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-
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- code=Pico.vram[ts->nametab+(tilex&ts->xmask)];
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- if (code==blank) continue;
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- if (code>>15) { // high priority tile
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- int cval = (code&0xfc00) | (dx<<16) | (ty<<25);
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- cval|=(code&0x3ff)<<1;
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- if(code&0x1000) cval^=0xf<<26;
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- *ts->hc++ = cval; // cache it
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- continue;
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- }
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-
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- if (code!=oldcode) {
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- oldcode = code;
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- // Get tile address/2:
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- addr=(code&0x7ff)<<5;
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- if (code&0x1000) addr+=30-ty; else addr+=ty; // Y-flip
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-
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-// pal=Pico.cram+((code>>9)&0x30);
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- pal=((code>>9)&0x30);
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- }
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-
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- if (code&0x0800) zero=TileFlip(dx,addr,pal);
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- else zero=TileNorm(dx,addr,pal);
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-
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- if (zero) blank=code; // We know this tile is blank now
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- }
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-
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- // terminate the cache list
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- *ts->hc = 0;
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-}
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-
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-// --------------------------------------------
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-
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-void DrawLayer(int plane, int *hcache, int maxcells, int sh)
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-{
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- struct PicoVideo *pvid=&Pico.video;
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- const char shift[4]={5,6,5,7}; // 32,64 or 128 sized tilemaps (2 is invalid)
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- struct TileStrip ts;
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- int width, height, ymask;
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- int vscroll, htab;
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-
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- ts.hc=hcache;
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- ts.cells=maxcells;
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-
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- // Work out the TileStrip to draw
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-
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- // Work out the name table size: 32 64 or 128 tiles (0-3)
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- width=pvid->reg[16];
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- height=(width>>4)&3; width&=3;
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-
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- ts.xmask=(1<<shift[width])-1; // X Mask in tiles (0x1f-0x7f)
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- ymask=(height<<8)|0xff; // Y Mask in pixels
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- if(width == 1) ymask&=0x1ff;
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- else if(width>1) ymask =0x0ff;
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-
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- // Find name table:
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- if (plane==0) ts.nametab=(pvid->reg[2]&0x38)<< 9; // A
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- else ts.nametab=(pvid->reg[4]&0x07)<<12; // B
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-
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- htab=pvid->reg[13]<<9; // Horizontal scroll table address
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- if ( pvid->reg[11]&2) htab+=Scanline<<1; // Offset by line
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- if ((pvid->reg[11]&1)==0) htab&=~0xf; // Offset by tile
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- htab+=plane; // A or B
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-
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- // Get horizontal scroll value, will be masked later
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- ts.hscroll=Pico.vram[htab&0x7fff];
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-
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- if((pvid->reg[12]&6) == 6) {
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- // interlace mode 2
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- vscroll=Pico.vsram[plane]; // Get vertical scroll value
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-
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- // Find the line in the name table
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- ts.line=(vscroll+(Scanline<<1))&((ymask<<1)|1);
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- ts.nametab+=(ts.line>>4)<<shift[width];
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-
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- DrawStripInterlace(&ts);
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- } else if( pvid->reg[11]&4) {
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- // shit, we have 2-cell column based vscroll
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- // luckily this doesn't happen too often
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- ts.line=ymask|(shift[width]<<24); // save some stuff instead of line
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- DrawStripVSRam(&ts, plane);
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- } else {
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- vscroll=Pico.vsram[plane]; // Get vertical scroll value
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-
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- // Find the line in the name table
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- ts.line=(vscroll+Scanline)&ymask;
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- ts.nametab+=(ts.line>>3)<<shift[width];
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-
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- DrawStrip(&ts, sh);
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- }
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-}
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-
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-
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-// --------------------------------------------
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-
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-// tstart & tend are tile pair numbers
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-void DrawWindow(int tstart, int tend, int prio, int sh) // int *hcache
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-{
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- struct PicoVideo *pvid=&Pico.video;
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- int tilex=0,ty=0,nametab,code=0;
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- int blank=-1; // The tile we know is blank
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-
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- // Find name table line:
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- if (pvid->reg[12]&1)
|
|
|
- {
|
|
|
- nametab=(pvid->reg[3]&0x3c)<<9; // 40-cell mode
|
|
|
- nametab+=(Scanline>>3)<<6;
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- nametab=(pvid->reg[3]&0x3e)<<9; // 32-cell mode
|
|
|
- nametab+=(Scanline>>3)<<5;
|
|
|
- }
|
|
|
-
|
|
|
- tilex=tstart<<1;
|
|
|
- tend<<=1;
|
|
|
-
|
|
|
- ty=(Scanline&7)<<1; // Y-Offset into tile
|
|
|
-
|
|
|
- if(!(rendstatus&2)) {
|
|
|
- // check the first tile code
|
|
|
- code=Pico.vram[nametab+tilex];
|
|
|
- // if the whole window uses same priority (what is often the case), we may be able to skip this field
|
|
|
- if((code>>15) != prio) return;
|
|
|
- }
|
|
|
-
|
|
|
- // Draw tiles across screen:
|
|
|
- for (; tilex < tend; tilex++)
|
|
|
- {
|
|
|
- int addr=0,zero=0;
|
|
|
- int pal;
|
|
|
-
|
|
|
- code=Pico.vram[nametab+tilex];
|
|
|
- if(code==blank) continue;
|
|
|
- if((code>>15) != prio) {
|
|
|
- rendstatus|=2;
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- pal=((code>>9)&0x30);
|
|
|
-
|
|
|
- if(sh) {
|
|
|
- int tmp, *zb = (int *)(HighCol+8+(tilex<<3));
|
|
|
- if(prio) {
|
|
|
- tmp = *zb;
|
|
|
- if(!(tmp&0x00000080)) tmp&=~0x000000c0; if(!(tmp&0x00008000)) tmp&=~0x0000c000;
|
|
|
- if(!(tmp&0x00800000)) tmp&=~0x00c00000; if(!(tmp&0x80000000)) tmp&=~0xc0000000;
|
|
|
- *zb++=tmp; tmp = *zb;
|
|
|
- if(!(tmp&0x00000080)) tmp&=~0x000000c0; if(!(tmp&0x00008000)) tmp&=~0x0000c000;
|
|
|
- if(!(tmp&0x00800000)) tmp&=~0x00c00000; if(!(tmp&0x80000000)) tmp&=~0xc0000000;
|
|
|
- *zb++=tmp;
|
|
|
- } else {
|
|
|
- pal |= 0x40;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // Get tile address/2:
|
|
|
- addr=(code&0x7ff)<<4;
|
|
|
- if (code&0x1000) addr+=14-ty; else addr+=ty; // Y-flip
|
|
|
-
|
|
|
- if (code&0x0800) zero=TileFlip(8+(tilex<<3),addr,pal);
|
|
|
- else zero=TileNorm(8+(tilex<<3),addr,pal);
|
|
|
-
|
|
|
- if (zero) blank=code; // We know this tile is blank now
|
|
|
- }
|
|
|
-
|
|
|
- // terminate the cache list
|
|
|
- //*hcache = 0;
|
|
|
-}
|
|
|
-
|
|
|
-// --------------------------------------------
|
|
|
-
|
|
|
-void DrawTilesFromCache(int *hc, int sh)
|
|
|
-{
|
|
|
- int code, addr, zero, dx;
|
|
|
- int pal;
|
|
|
- short blank=-1; // The tile we know is blank
|
|
|
-
|
|
|
- // *ts->hc++ = code | (dx<<16) | (ty<<25); // cache it
|
|
|
-
|
|
|
- while((code=*hc++)) {
|
|
|
- if(!sh && (short)code == blank) continue;
|
|
|
-
|
|
|
- // Get tile address/2:
|
|
|
- addr=(code&0x7ff)<<4;
|
|
|
- addr+=(unsigned int)code>>25; // y offset into tile
|
|
|
- dx=(code>>16)&0x1ff;
|
|
|
- if(sh) {
|
|
|
- unsigned char *zb = HighCol+dx;
|
|
|
- if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
|
|
|
- if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
|
|
|
- if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
|
|
|
- if(!(*zb&0x80)) *zb&=0x3f; zb++; if(!(*zb&0x80)) *zb&=0x3f; zb++;
|
|
|
- }
|
|
|
-
|
|
|
- pal=((code>>9)&0x30);
|
|
|
-
|
|
|
- if (code&0x0800) zero=TileFlip(dx,addr,pal);
|
|
|
- else zero=TileNorm(dx,addr,pal);
|
|
|
-
|
|
|
- if(zero) blank=(short)code;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-// --------------------------------------------
|
|
|
-
|
|
|
-// Index + 0 : hhhhvvvv ab--hhvv yyyyyyyy yyyyyyyy // a: offscreen h, b: offs. v, h: horiz. size
|
|
|
-// Index + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8
|
|
|
-
|
|
|
-void DrawSprite(int *sprite, int **hc, int sh)
|
|
|
-{
|
|
|
- int width=0,height=0;
|
|
|
- int row=0,code=0;
|
|
|
- int pal;
|
|
|
- int tile=0,delta=0;
|
|
|
- int sx, sy;
|
|
|
- int (*fTileFunc)(int sx,int addr,int pal);
|
|
|
-
|
|
|
- // parse the sprite data
|
|
|
- sy=sprite[0];
|
|
|
- code=sprite[1];
|
|
|
- sx=code>>16; // X
|
|
|
- width=sy>>28;
|
|
|
- height=(sy>>24)&7; // Width and height in tiles
|
|
|
- sy=(sy<<16)>>16; // Y
|
|
|
-
|
|
|
- row=Scanline-sy; // Row of the sprite we are on
|
|
|
-
|
|
|
- if (code&0x1000) row=(height<<3)-1-row; // Flip Y
|
|
|
-
|
|
|
- tile=code&0x7ff; // Tile number
|
|
|
- tile+=row>>3; // Tile number increases going down
|
|
|
- delta=height; // Delta to increase tile by going right
|
|
|
- if (code&0x0800) { tile+=delta*(width-1); delta=-delta; } // Flip X
|
|
|
-
|
|
|
- tile<<=4; tile+=(row&7)<<1; // Tile address
|
|
|
-
|
|
|
- if(code&0x8000) { // high priority - cache it
|
|
|
- *(*hc)++ = (tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|((code>>9)&0x30)|((sprite[0]>>16)&0xf);
|
|
|
- } else {
|
|
|
- delta<<=4; // Delta of address
|
|
|
- pal=((code>>9)&0x30)|(sh<<6);
|
|
|
-
|
|
|
- if(sh && (code&0x6000) == 0x6000) {
|
|
|
- if(code&0x0800) fTileFunc=TileFlipSH;
|
|
|
- else fTileFunc=TileNormSH;
|
|
|
- } else {
|
|
|
- if(code&0x0800) fTileFunc=TileFlip;
|
|
|
- else fTileFunc=TileNorm;
|
|
|
- }
|
|
|
-
|
|
|
- for (; width; width--,sx+=8,tile+=delta)
|
|
|
- {
|
|
|
- if(sx<=0) continue;
|
|
|
- if(sx>=328) break; // Offscreen
|
|
|
-
|
|
|
- tile&=0x7fff; // Clip tile address
|
|
|
- fTileFunc(sx,tile,pal);
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-void DrawSpritesFromCache(int *hc, int sh)
|
|
|
-{
|
|
|
- int code, tile, sx, delta, width;
|
|
|
- int pal;
|
|
|
- int (*fTileFunc)(int sx,int addr,int pal);
|
|
|
-
|
|
|
- // *(*hc)++ = (tile<<16)|((code&0x0800)<<5)|((sx<<6)&0x0000ffc0)|((code>>9)&0x30)|((sprite[0]>>24)&0xf);
|
|
|
-
|
|
|
- while((code=*hc++)) {
|
|
|
- pal=(code&0x30);
|
|
|
- delta=code&0xf;
|
|
|
- width=delta>>2; delta&=3;
|
|
|
- width++; delta++; // Width and height in tiles
|
|
|
- if (code&0x10000) delta=-delta; // Flip X
|
|
|
- delta<<=4;
|
|
|
- tile=((unsigned int)code>>17)<<1;
|
|
|
- sx=(code<<16)>>22; // sx can be negative (start offscreen), so sign extend
|
|
|
-
|
|
|
- if(sh && pal == 0x30) { //
|
|
|
- if(code&0x10000) fTileFunc=TileFlipSH;
|
|
|
- else fTileFunc=TileNormSH;
|
|
|
- } else {
|
|
|
- if(code&0x10000) fTileFunc=TileFlip;
|
|
|
- else fTileFunc=TileNorm;
|
|
|
- }
|
|
|
-
|
|
|
- for (; width; width--,sx+=8,tile+=delta)
|
|
|
- {
|
|
|
- if(sx<=0) continue;
|
|
|
- if(sx>=328) break; // Offscreen
|
|
|
-
|
|
|
- tile&=0x7fff; // Clip tile address
|
|
|
- fTileFunc(sx,tile,pal);
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-void BackFill(int reg7, int sh)
|
|
|
-{
|
|
|
- unsigned int back=0;
|
|
|
- unsigned int *pd=NULL,*end=NULL;
|
|
|
-
|
|
|
- // Start with a blank scanline (background colour):
|
|
|
- back=reg7&0x3f;
|
|
|
- back|=sh<<6;
|
|
|
- back|=back<<8;
|
|
|
- back|=back<<16;
|
|
|
-
|
|
|
- pd= (unsigned int *)(HighCol+8);
|
|
|
- end=(unsigned int *)(HighCol+8+320);
|
|
|
-
|
|
|
- do { pd[0]=pd[1]=pd[2]=pd[3]=back; pd+=4; } while (pd<end);
|
|
|
-}
|
|
|
-
|
|
|
-// --------------------------------------------
|
|
|
-
|
|
|
-extern unsigned short HighPal[0x100];
|
|
|
-
|
|
|
-void FinalizeLineBGR444(int sh)
|
|
|
-{
|
|
|
- unsigned short *pd=DrawLineDest;
|
|
|
- unsigned char *ps=HighCol+8;
|
|
|
- unsigned short *pal=Pico.cram;
|
|
|
- int len, i, t;
|
|
|
-
|
|
|
- if (Pico.video.reg[12]&1) {
|
|
|
- len = 320;
|
|
|
- } else {
|
|
|
- if(!(PicoOpt&0x100)) pd+=32;
|
|
|
- len = 256;
|
|
|
- }
|
|
|
-
|
|
|
- if(sh) {
|
|
|
- pal=HighPal;
|
|
|
- if(Pico.m.dirtyPal) {
|
|
|
- blockcpy(pal, Pico.cram, 0x40*2);
|
|
|
- // shadowed pixels
|
|
|
- for(i = 0x3f; i >= 0; i--)
|
|
|
- pal[0x40|i] = pal[0xc0|i] = (unsigned short)((pal[i]>>1)&0x0777);
|
|
|
- // hilighted pixels
|
|
|
- for(i = 0x3f; i >= 0; i--) {
|
|
|
- t=pal[i]&0xeee;t+=0x444;if(t&0x10)t|=0xe;if(t&0x100)t|=0xe0;if(t&0x1000)t|=0xe00;t&=0xeee;
|
|
|
- pal[0x80|i]=(unsigned short)t;
|
|
|
- }
|
|
|
- Pico.m.dirtyPal = 0;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- for(i = 0; i < len; i++)
|
|
|
- pd[i] = pal[ps[i]];
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-void FinalizeLineRGB555(int sh)
|
|
|
-{
|
|
|
- unsigned short *pd=DrawLineDest;
|
|
|
- unsigned char *ps=HighCol+8;
|
|
|
- unsigned short *pal=HighPal;
|
|
|
- int len, i, t, dirtyPal = Pico.m.dirtyPal;
|
|
|
-
|
|
|
- if(dirtyPal) {
|
|
|
- unsigned short *ppal=Pico.cram;
|
|
|
- for(i = 0x3f; i >= 0; i--)
|
|
|
- pal[i] = (unsigned short) (((ppal[i]&0x00f)<<12)|((ppal[i]&0x0f0)<<3)|((ppal[i]&0xf00)>>7));
|
|
|
- Pico.m.dirtyPal = 0;
|
|
|
- }
|
|
|
-
|
|
|
- if (Pico.video.reg[12]&1) {
|
|
|
- len = 320;
|
|
|
- } else {
|
|
|
- if(!(PicoOpt&0x100)) pd+=32;
|
|
|
- len = 256;
|
|
|
- }
|
|
|
-
|
|
|
- if(sh) {
|
|
|
- if(dirtyPal) {
|
|
|
- // shadowed pixels
|
|
|
- for(i = 0x3f; i >= 0; i--)
|
|
|
- pal[0x40|i] = pal[0xc0|i] = (unsigned short)((pal[i]>>1)&0x738e);
|
|
|
- // hilighted pixels
|
|
|
- for(i = 0x3f; i >= 0; i--) {
|
|
|
- t=pal[i]&0xe71c;t+=0x4208;if(t&0x20)t|=0x1c;if(t&0x800)t|=0x700;if(t&0x10000)t|=0xe000;t&=0xe71c;
|
|
|
- pal[0x80|i]=(unsigned short)t;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- for(i = 0; i < len; i++)
|
|
|
- pd[i] = pal[ps[i]];
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-
|