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attempt to apply changes to MMC5 specified by https://sourceforge.net/p/fceultra/bugs/787/

This commit is contained in:
zeromus 2017-04-28 21:33:26 -05:00
parent c696195ad0
commit d8fd403ea2
1 changed files with 13 additions and 13 deletions
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20
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/ExROM.cs
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@ -258,24 +258,24 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
goto MAPPED; goto MAPPED;
} }
//wish this logic could be smaller.. if (NES.ppu.reg_2000.obj_size_16)
//how does this KNOW that its in 8x16 sprites? the pattern of reads... emulate it that way..
if (NES.ppu.reg_2000.obj_size_16
//zero 03-aug-2014 - added this to fix Uchuu Keibitai SDF. The game reads NT entries from CHR rom while PPU is disabled.
//obviously we have enormous numbers of bugs springing from our terrible emulation of ppu-disabled states, but this does the job for fixing this one
&& NES.ppu.show_obj_new
)
{ {
if (NES.ppu.ppuphase == PPU.PPUPHASE.OBJ) if (NES.ppu.ppuphase == PPU.PPUPHASE.OBJ && NES.ppu.show_obj_new)
bank_1k = a_banks_1k[bank_1k]; bank_1k = a_banks_1k[bank_1k];
else else if (NES.ppu.ppuphase == PPU.PPUPHASE.BG && NES.ppu.show_bg_new)
bank_1k = b_banks_1k[bank_1k]; bank_1k = b_banks_1k[bank_1k];
}
else else
{
if (ab_mode == 0) if (ab_mode == 0)
bank_1k = a_banks_1k[bank_1k]; bank_1k = a_banks_1k[bank_1k];
else else
bank_1k = b_banks_1k[bank_1k]; bank_1k = b_banks_1k[bank_1k];
}
}
else
{
bank_1k = a_banks_1k[bank_1k];
}
MAPPED: MAPPED:
bank_1k &= chr_bank_mask_1k; bank_1k &= chr_bank_mask_1k;