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Adding more tests for the data bus

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This commit is contained in:
AnonymusRaccoon
2020-02-10 17:09:12 +01:00
parent aeb1e127f3
commit f516e7ec66
4 changed files with 66 additions and 20 deletions
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sources/CPU/CPU.cpp
+9 -4
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@@ -225,18 +225,18 @@ namespace ComSquare::CPU
/// Addressing modes
////////////////////////////////////////////////////////////////////
uint24_t CPU::_GetImmediateAddr()
uint24_t CPU::_getImmediateAddr()
{
return this->_registers.pac++;
}
uint24_t CPU::_GetDirectAddr()
uint24_t CPU::_getDirectAddr()
{
uint8_t addr = this->_bus->read(this->_registers.pac++);
return this->_registers.d + addr;
}
uint24_t CPU::_GetAbsoluteAddr()
uint24_t CPU::_getAbsoluteAddr()
{
uint24_t addr = this->_registers.dbr << 16u;
addr += this->_bus->read(this->_registers.pac++) << 8u;
@@ -244,7 +244,12 @@ namespace ComSquare::CPU
return addr;
}
uint24_t CPU::_GetAbsoluteLongAddr()
uint24_t CPU::_getAbsoluteLongAddr()
{
return 0;
}
uint24_t CPU::_getDirectIndirectIndexedAddr()
{
return 0;
}