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CX4: Fixed PB register missing upper 8 bits when pulling from stack

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Sour 2020-02-24 22:00:29 -05:00
parent 1a9fe9baf3
commit f8594b23a7
1 changed files with 3 additions and 3 deletions
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6
Core/Cx4.Instructions.cpp
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@ -291,8 +291,8 @@ void Cx4::PushPC()
void Cx4::PullPC()
{
_state.SP = (_state.SP - 1) & 0x07;
uint16_t value = _state.Stack[_state.SP];
_state.PB = value >> 8;
uint32_t value = _state.Stack[_state.SP];
_state.PB = (value >> 8) & 0x7FFF;
_state.PC = value & 0xFF;
}
@ -365,7 +365,7 @@ void Cx4::Load(uint8_t dest, uint8_t src)
case 0: _state.A = GetSourceValue(src); break;
case 1: _state.MemoryDataReg = GetSourceValue(src); break;
case 2: _state.MemoryAddressReg = GetSourceValue(src); break;
case 3: _state.P = GetSourceValue(src); break;
case 3: _state.P = GetSourceValue(src) & 0x7FFF; break;
}
}