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NES: support worthless garbage

This commit is contained in:
goyuken 2014-01-31 04:15:18 +00:00
parent 4f65c621e5
commit a9e4baa380
1 changed files with 9 additions and 4 deletions
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9
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/ExROM.cs
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@ -122,7 +122,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
}
prg_bank_mask_8k = Cart.prg_size / 8 - 1;
if (Cart.chr_size > 0)
chr_bank_mask_1k = Cart.chr_size - 1;
else
chr_bank_mask_1k = Cart.vram_size - 1;
wram_bank_mask_8k = Cart.wram_size / 8 - 1;
PoweronState();
@ -225,7 +229,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
if (addr < 0x2000)
{
addr = MapCHR(addr);
return VROM[addr];
return (VROM ?? VRAM)[addr];
}
else
{
@ -281,7 +285,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
if (addr < 0x2000)
{
// no vram or anything here ever
if (VRAM != null)
VRAM[MapCHR(addr)] = value;
}
else
{