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AGCI-50282 \ MAPPER144: Death Race (Unl) (U). this game is a piece of shit

This commit is contained in:
goyuken 2012-10-13 01:29:59 +00:00
parent 30098b0ab1
commit 4510712ada
1 changed files with 17 additions and 0 deletions
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17
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/IC_74x377.cs
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@ -14,6 +14,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
//configuration //configuration
int prg_bank_mask_32k, chr_bank_mask_8k; int prg_bank_mask_32k, chr_bank_mask_8k;
bool bus_conflict = true; bool bus_conflict = true;
bool bus_conflict_50282 = false;
//state //state
int prg_bank_32k, chr_bank_8k; int prg_bank_32k, chr_bank_8k;
@ -31,6 +32,14 @@ namespace BizHawk.Emulation.Consoles.Nintendo
AssertPrg(32,64,128); AssertChr(16,32,64,128); AssertVram(0); AssertWram(0); AssertPrg(32,64,128); AssertChr(16,32,64,128); AssertVram(0); AssertWram(0);
break; break;
case "AGCI-50282": // death race
case "MAPPER144":
bus_conflict_50282 = true;
bus_conflict = false;
SetMirrorType(Cart.pad_h, Cart.pad_v);
break;
default: default:
return false; return false;
} }
@ -56,6 +65,14 @@ namespace BizHawk.Emulation.Consoles.Nintendo
public override void WritePRG(int addr, byte value) public override void WritePRG(int addr, byte value)
{ {
if (bus_conflict_50282)
{
// this is what fceux does
//if (addr == 0)
// return;
// this is what nesdev wiki does. seems to give same results as above?
value = (byte)((value | 1) & ReadPRG(addr));
}
if (bus_conflict) if (bus_conflict)
{ {
byte old_value = value; byte old_value = value;