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Implementing missing addressings modes inside the debugger

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This commit is contained in:
Anonymus Raccoon
2020-04-03 14:32:18 +02:00
parent b090a7d036
commit 7407c3cfaa
11 changed files with 659 additions and 231 deletions
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16
sources/CPU/AddressingModes.cpp
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@@ -126,22 +126,6 @@ namespace ComSquare::CPU
return lng + this->_registers.x;
}
uint24_t CPU::_getProgramCounterRelativeAddr()
{
uint24_t pc = this->_registers.pac;
int8_t mod = this->readPC();
return pc + mod;
}
uint24_t CPU::_getProgramCounterRelativeLongAddr()
{
uint24_t pc = this->_registers.pac;
uint8_t val1 = this->readPC();
uint8_t val2 = this->readPC();
int16_t mod = val2 > 0x7F ? (static_cast<char>(val2) * 256 - val1) : (val1 | val2 << 8u);
return pc + mod;
}
uint24_t CPU::_getAbsoluteIndirectAddr()
{
uint16_t abs = this->readPC();