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fixed read access to write port if write port uses upper address range (fixes #878)

This commit is contained in:
Thomas Jentzsch 2022-02-23 21:53:32 +01:00
parent 81556892fa
commit d658d72871
1 changed files with 1 additions and 1 deletions
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2
src/emucore/CartEnhanced.cxx
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@ -178,7 +178,7 @@ uInt8 CartridgeEnhanced::peek(uInt16 address)
{ {
// This is a read access to a write port! // This is a read access to a write port!
// Reading from the write port triggers an unwanted write // Reading from the write port triggers an unwanted write
return peekRAM(myRAM[address], peekAddress); return peekRAM(myRAM[address - myWriteOffset], peekAddress);
} }
return myImage[romAddressSegmentOffset(peekAddress) + (peekAddress & myBankMask)]; return myImage[romAddressSegmentOffset(peekAddress) + (peekAddress & myBankMask)];