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Solving a bug with the ADC

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This commit is contained in:
AnonymusRaccoon
2020-02-17 11:26:46 +01:00
parent 1bbf9cfe77
commit f6466f63f0
1 changed files with 1 additions and 1 deletions
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sources/CPU/Instructions/MathematicalOperations.cpp
+1 -1
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@@ -12,7 +12,7 @@ namespace ComSquare::CPU
unsigned value = this->_bus->read(valueAddr) + this->_registers.p.c; unsigned value = this->_bus->read(valueAddr) + this->_registers.p.c;
if (this->_registers.p.m) if (this->_registers.p.m)
value += this->_bus->read(valueAddr + 1) << 8u; value += this->_bus->read(valueAddr + 1) << 8u;
unsigned negativeMask = this->_isEmulationMode ? 0xF0u : 0xF000u; unsigned negativeMask = this->_isEmulationMode ? 0x80u : 0x8000u;
unsigned maxValue = this->_isEmulationMode ? UINT8_MAX : UINT16_MAX; unsigned maxValue = this->_isEmulationMode ? UINT8_MAX : UINT16_MAX;
this->_registers.p.c = static_cast<unsigned>(this->_registers.a) + value > maxValue; this->_registers.p.c = static_cast<unsigned>(this->_registers.a) + value > maxValue;