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Fix Samurai Spirits (rexsoft)

This commit is contained in:
alyosha-tas 2016-09-13 10:50:19 -04:00 committed by GitHub
parent 0ac114d3a1
commit a96fb11b1d
1 changed files with 13 additions and 10 deletions
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23
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/RexSoftSL1632.cs
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@ -57,9 +57,12 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
}
}
void SinkMirror()
void SinkMirror(bool flip)
{
SetMirrorType(exnmt.Bit(0) ? EMirrorType.Vertical : EMirrorType.Horizontal);
if (flip)
SetMirrorType(exnmt.Bit(0) ? EMirrorType.Vertical : EMirrorType.Horizontal);
else
SetMirrorType(!exnmt.Bit(0) ? EMirrorType.Vertical : EMirrorType.Horizontal);
}
readonly static byte[] modes = { 5, 5, 3, 1 };
@ -91,14 +94,14 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
// this is stupid as hell
public override void WritePRG(int addr, byte value)
{
Console.WriteLine("{0:x4}:{1:x2}", addr, value);
//Console.WriteLine("{0:x4}:{1:x2}", addr, value);
if ((addr & 0x2131) == 0x2131)
if ((addr & 0x2131) == 0x2131 && (exmode != value))
{
exmode = value;
if (!exmode.Bit(1))
{
SinkMirror();
SinkMirror(false);
}
}
@ -108,7 +111,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
case 0x0000: base.WritePRG(0x0000, value); break;
case 0x0001: base.WritePRG(0x0001, value); break;
case 0x2000: SinkMirror(); break;
case 0x2000: SinkMirror(true); break;
case 0x2001: base.WritePRG(0x2001, value); break;
case 0x4000: base.WritePRG(0x4000, value); break;
case 0x4001: base.WritePRG(0x4001, value); break;
@ -117,11 +120,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
}
}
else if (addr >= 3000 && addr <= 0x6003)
else if (addr >= 0x3000 && addr <= 0x6003)
{
int offset = addr << 2 & 4;
int offset = addr << 2 & 0x4;
addr = ((((addr & 0x2) | addr >> 10) >> 1) + 2) & 0x7;
exchr[addr] = (exchr[addr] & 0xf0 >> offset) | ((value & 0x0f) >> offset);
exchr[addr] = (exchr[addr] & 0xf0 >> offset) | ((value & 0x0f) << offset);
// sync chr
}
else
@ -129,7 +132,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
switch (addr & 0x7003)
{
case 0x0000: exprg[0] = value; break;
case 0x1000: exnmt = value; SinkMirror(); break;
case 0x1000: exnmt = value; SinkMirror(false); break;
case 0x2000: exprg[1] = value; break;
}
}