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Fixed undefined order of startup vector peeks 

Added ELF test ROMs
This commit is contained in:
thrust26 2024-07-30 20:52:04 +02:00
parent 08257941b8
commit 5d1f4a2a0e
3 changed files with 4 additions and 1 deletions
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5
src/emucore/M6502.cxx
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@ -81,7 +81,9 @@ void M6502::reset()
icycles = 0; icycles = 0;
// Load PC from the reset vector // Load PC from the reset vector
PC = static_cast<uInt16>(mySystem->peek(0xfffc)) | (static_cast<uInt16>(mySystem->peek(0xfffd)) << 8); // Note: ELF needs the correct order here!
PC = static_cast<uInt16>(mySystem->peek(0xfffc));
PC |= (static_cast<uInt16>(mySystem->peek(0xfffd)) << 8);
myLastAddress = myLastPeekAddress = myLastPokeAddress = myLastAddress = myLastPeekAddress = myLastPokeAddress =
myLastPeekBaseAddress = myLastPokeBaseAddress = 0; myLastPeekBaseAddress = myLastPokeBaseAddress = 0;
@ -415,6 +417,7 @@ inline void M6502::_execute(uInt64 cycles, DispatchResult& result)
#endif #endif
} }
// JTZ, TODO: This code seems to be superfluous for a 6507:
// See if we need to handle an interrupt // See if we need to handle an interrupt
if((myExecutionStatus & MaskableInterruptBit) || if((myExecutionStatus & MaskableInterruptBit) ||
(myExecutionStatus & NonmaskableInterruptBit)) (myExecutionStatus & NonmaskableInterruptBit))

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test/roms/bankswitching/ELF/MattressMonkeys20240530rc4.bin Normal file
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test/roms/bankswitching/ELF/raycaster.bin Normal file
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