diff options
Diffstat (limited to 'source/c4emu.c')
| -rw-r--r-- | source/c4emu.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/source/c4emu.c b/source/c4emu.c index 924afa2..6fce00f 100644 --- a/source/c4emu.c +++ b/source/c4emu.c @@ -12,9 +12,6 @@ void S9xInitC4() { - // Stupid zsnes code, we can't do the logical thing without breaking - // savestates - // Memory.C4RAM = &Memory.FillRAM [0x6000]; memset(Memory.C4RAM, 0, 0x2000); } @@ -190,10 +187,6 @@ static void C4DoScaleRotate(int row_padding) uint8_t w = Memory.C4RAM[0x1f89] & ~7; uint8_t h = Memory.C4RAM[0x1f8c] & ~7; - // printf("%dx%d XScale=%04x YScale=%04x angle=%03x\n", w, h, XScale, YScale, READ_WORD(Memory.C4RAM+0x1f80)&0x1ff); - // printf("Matrix: [%10g %10g] [%04x %04x]\n", A/4096.0, B/4096.0, A&0xffff, B&0xffff); - // printf(" [%10g %10g] [%04x %04x]\n", C/4096.0, D/4096.0, C&0xffff, D&0xffff); - // Clear the output RAM memset(Memory.C4RAM, 0, (w + row_padding / 4)*h / 2); @@ -292,9 +285,8 @@ static void C4DrawLine(int32_t X1, int32_t Y1, int16_t Z1, //.loop if (X1 > 0xff && Y1 > 0xff && X1 < 0x6000 && Y1 < 0x6000) { - uint16_t addr = ((X1 & ~0x7ff) + (Y1 & ~0x7ff) * 12 + (Y1 & 0x700)) >> 7; - addr = (((Y1 >> 8) >> 3) << 8) - (((Y1 >> 8) >> 3) << 6) + ((( - X1 >> 8) >> 3) << 4) + ((Y1 >> 8) & 7) * 2; + uint16_t addr = (((Y1 >> 8) >> 3) << 8) - (((Y1 >> 8) >> 3) << 6) + ((( + X1 >> 8) >> 3) << 4) + ((Y1 >> 8) & 7) * 2; uint8_t bit = 0x80 >> ((X1 >> 8) & 7); Memory.C4RAM[addr + 0x300] &= ~bit; Memory.C4RAM[addr + 0x301] &= ~bit; @@ -699,9 +691,7 @@ void S9xSetC4(uint8_t byte, uint16_t Address) case 0x54: // Square { int64_t a = SAR64((int64_t)READ_3WORD(Memory.C4RAM + 0x1f80) << 40, 40); - // printf("%08X%08X\n", (uint32_t)(a>>32), (uint32_t)(a&0xFFFFFFFF)); a *= a; - // printf("%08X%08X\n", (uint32_t)(a>>32), (uint32_t)(a&0xFFFFFFFF)); WRITE_3WORD(Memory.C4RAM + 0x1f83, a); WRITE_3WORD(Memory.C4RAM + 0x1f86, (a >> 24)); } |