pputile098.h

   1         uint8 *C;
   2         register uint8 cc;
   3         uint32 vadr;
   4
   5         #ifndef PPUT_MMC5SP
   6         register uint8 zz;
   7         #else
   8         uint8 xs,ys;
   9         xs=X1;
  10         ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
  11         if(ys>=0x1E) ys-=0x1E;
  12         #endif
  13
  14         if(X1>=2)
  15         {
  16          uint8 *S=PALRAM;
  17          uint32 pixdata;
  18
  19          pixdata=ppulut1[(pshift[0]>>(8-XOffset))&0xFF]|ppulut2[(pshift[1]>>(8-XOffset))&0xFF];
  20
  21          pixdata|=ppulut3[XOffset|(atlatch<<3)];
  22          //printf("%02x ",ppulut3[XOffset|(atlatch<<3)]);
  23
  24          #ifdef C80x86
  25          asm volatile(
  26          "movl %%ebx,%%eax\n\t"
  27          "andl $15,%%eax\n\t"
  28          "movb (%%esi,%%eax),%%cl\n\t"
  29          "shrl $4, %%ebx\n\t"
  30          "movb %%cl, (%%edi)\n\t"
  31
  32          "movl %%ebx,%%eax\n\t"
  33          "andl $15,%%eax\n\t"
  34          "movb (%%esi,%%eax),%%cl\n\t"
  35          "shrl $4, %%ebx\n\t"
  36          "movb %%cl, 1(%%edi)\n\t"
  37
  38          "movl %%ebx,%%eax\n\t"
  39          "andl $15,%%eax\n\t"
  40          "movb (%%esi,%%eax),%%cl\n\t"
  41          "shrl $4, %%ebx\n\t"
  42          "movb %%cl, 2(%%edi)\n\t"
  43
  44          "movl %%ebx,%%eax\n\t"
  45          "andl $15,%%eax\n\t"
  46          "movb (%%esi,%%eax),%%cl\n\t"
  47          "shrl $4, %%ebx\n\t"
  48          "movb %%cl, 3(%%edi)\n\t"
  49
  50          "movl %%ebx,%%eax\n\t"
  51          "andl $15,%%eax\n\t"
  52          "movb (%%esi,%%eax),%%cl\n\t"
  53          "shrl $4, %%ebx\n\t"
  54          "movb %%cl, 4(%%edi)\n\t"
  55
  56          "movl %%ebx,%%eax\n\t"
  57          "andl $15,%%eax\n\t"
  58          "movb (%%esi,%%eax),%%cl\n\t"
  59          "shrl $4, %%ebx\n\t"
  60          "movb %%cl, 5(%%edi)\n\t"
  61
  62          "movl %%ebx,%%eax\n\t"
  63          "andl $15,%%eax\n\t"
  64          "movb (%%esi,%%eax),%%cl\n\t"
  65          "shrl $4, %%ebx\n\t"
  66          "movb %%cl, 6(%%edi)\n\t"
  67
  68          //"movl %%ebx,%%eax\n\t"
  69          //"andl $15,%%eax\n\t"
  70          //"movb (%%esi,%%eax),%%cl\n\t"
  71          //"movb %%cl, 7(%%edi)\n\t"
  72          "movb (%%esi, %%ebx),%%cl\n\t"
  73          "movb %%cl, 7(%%edi)\n\t"
  74          :
  75          : "S" (S), "D" (P), "b" (pixdata)
  76          : "eax", "cl" );
  77          #else
  78          P[0]=S[pixdata&0xF];
  79          pixdata>>=4;
  80          P[1]=S[pixdata&0xF];
  81          pixdata>>=4;
  82          P[2]=S[pixdata&0xF];
  83          pixdata>>=4;
  84          P[3]=S[pixdata&0xF];
  85          pixdata>>=4;
  86          P[4]=S[pixdata&0xF];
  87          pixdata>>=4;
  88          P[5]=S[pixdata&0xF];
  89          pixdata>>=4;
  90          P[6]=S[pixdata&0xF];
  91          pixdata>>=4;
  92          P[7]=S[pixdata&0xF];
  93          #endif
  94          P+=8;
  95         }
  96
  97         #ifdef PPUT_MMC5SP
  98         vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
  99         #else
 100         zz=RefreshAddr&0x1F;
 101         C=vnapage[(RefreshAddr>>10)&3];
 102         vadr=(C[RefreshAddr&0x3ff]<<4)+vofs;   /* Fetch name table byte. */
 103         #endif
 104
 105         #ifdef PPUT_HOOK
 106         PPU_hook(0x2000|(RefreshAddr&0xfff));
 107         #endif
 108
 109         #ifdef PPUT_MMC5SP
 110          cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
 111          cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3);
 112         #else
 113          #ifdef PPUT_MMC5CHR1
 114          cc=(MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>>6;
 115          #else
 116          cc=C[0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];  /* Fetch attribute table byte. */
 117          cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3);
 118          #endif
 119         #endif
 120
 121         atlatch>>=2;
 122         atlatch|=cc<<2;
 123
 124         pshift[0]<<=8;
 125         pshift[1]<<=8;
 126
 127         #ifdef PPUT_MMC5SP
 128          C = MMC5HackVROMPTR+vadr;
 129          C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
 130         #else
 131          #ifdef PPUT_MMC5CHR1
 132          C = MMC5HackVROMPTR;
 133          C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
 134                  MMC5HackVROMMask) << 12) + (vadr & 0xfff);
 135          #elif defined(PPUT_MMC5)
 136          C=MMC5BGVRAMADR(vadr);
 137          #else
 138          C = VRAMADR(vadr);
 139          #endif
 140         #endif
 141
 142         #ifdef PPUT_HOOK
 143         PPU_hook(vadr);
 144         #endif
 145
 146         pshift[0]|=C[0];
 147         pshift[1]|=C[8];
 148
 149         if((RefreshAddr&0x1f)==0x1f)
 150          RefreshAddr^=0x41F;
 151         else
 152          RefreshAddr++;
 153
 154         #ifdef PPUT_HOOK
 155         PPU_hook(0x2000|(RefreshAddr&0xfff));
 156         #endif
 157