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Solving bugs with the immediate addressing mode

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This commit is contained in:
AnonymusRaccoon
2020-02-28 15:52:46 +01:00
parent ddaee43189
commit 258194dba7
7 changed files with 103 additions and 68 deletions
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sources/CPU/Instructions/InternalInstruction.cpp
+8 -8
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@@ -41,32 +41,32 @@ namespace ComSquare::CPU
this->_registers.p.v = false;
}
void CPU::SEP(uint24_t valueAddr)
void CPU::SEP(uint24_t value)
{
this->_registers.p.flags |= this->_bus->read(valueAddr);
this->_registers.p.flags |= value;
}
void CPU::REP(uint24_t valueAddr)
void CPU::REP(uint24_t value)
{
this->_registers.p.flags &= ~this->_bus->read(valueAddr);
this->_registers.p.flags &= ~value;
if (this->_isEmulationMode) {
this->_registers.p.x_b = true;
this->_registers.p.m = true;
}
}
void CPU::JSR(uint24_t valueAddr)
void CPU::JSR(uint24_t value)
{
this->_push(--this->_registers.pc);
this->_registers.pc = this->_bus->read(valueAddr) + (this->_bus->read(valueAddr + 1) << 8u);
this->_registers.pc = value;
}
void CPU::JSL(uint24_t valueAddr)
void CPU::JSL(uint24_t value)
{
this->_registers.pac--;
this->_push(this->_registers.pbr);
this->_push(this->_registers.pc);
this->_registers.pc = this->_bus->read(valueAddr) + (this->_bus->read(valueAddr + 1) << 8u);
this->_registers.pac = value;
}
void CPU::PHA()