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pce: fix a crash when a HuCard accessing invalid addresses would venture into TurboCD ports (namely, Rastan Saga)

This commit is contained in:
beirich 2012-03-04 19:37:00 +00:00
parent 0cb222f20e
commit a76ea9c520
1 changed files with 6 additions and 0 deletions
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6
BizHawk.Emulation/Consoles/PC Engine/TurboCD.cs
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@ -43,6 +43,9 @@ namespace BizHawk.Emulation.Consoles.TurboGrafx
void WriteCD(int addr, byte value) void WriteCD(int addr, byte value)
{ {
if (!TurboCD && !BramEnabled)
return; // flee if no turboCD hooked up
switch (addr & 0x1FFF) switch (addr & 0x1FFF)
{ {
case 0x1800: // SCSI Drive Control Line case 0x1800: // SCSI Drive Control Line
@ -184,6 +187,9 @@ namespace BizHawk.Emulation.Consoles.TurboGrafx
public byte ReadCD(int addr) public byte ReadCD(int addr)
{ {
if (!TurboCD && !BramEnabled)
return 0xFF; //bail if no TurboCD.
byte returnValue = 0; byte returnValue = 0;
short sample; short sample;