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fix somari

This commit is contained in:
alyosha-tas 2016-08-31 10:53:15 -04:00 committed by GitHub
parent 8570b50a4e
commit 92f2959e43
1 changed files with 7 additions and 4 deletions
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11
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper015.cs
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@ -44,17 +44,20 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
int mode = addr & 3;
int prg_high = value & 0x3F;
bool prg_low = value.Bit(7);
int prg_low_val = prg_low ? 1 : 0;
int prg_low_val = 0;
if (mode==2)
prg_low_val = prg_low ? 1 : 0;
bool mirror = value.Bit(6);
SetMirrorType(mirror ? EMirrorType.Horizontal : EMirrorType.Vertical);
SetMirrorType(!mirror ? EMirrorType.Horizontal : EMirrorType.Vertical);
switch(mode)
{
case 0:
prg_banks_8k[0] = (byte)((prg_high * 2 + 0) ^ prg_low_val);
prg_banks_8k[1] = (byte)((prg_high * 2 + 1) ^ prg_low_val);
prg_banks_8k[2] = (byte)((prg_high * 2 + 2) ^ prg_low_val);
prg_banks_8k[3] = (byte)((prg_high * 2 + 3) ^ prg_low_val);
prg_high = prg_high | 0x01;
prg_banks_8k[2] = (byte)((prg_high * 2 + 0) ^ prg_low_val);
prg_banks_8k[3] = (byte)((prg_high * 2 + 1) ^ prg_low_val);
break;
case 1:
prg_banks_8k[0] = (byte)((prg_high*2+0) ^ prg_low_val);