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Merge branch 'master' of https://github.com/AnonymusRaccoon/ComSquare into APU

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This commit is contained in:
Melefo
2020-02-12 14:31:16 +01:00
parent 8fced75d85 7bc5d61d18
commit 05052037e5
4 changed files with 41 additions and 4 deletions
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27
sources/APU/APU.cpp
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@@ -157,18 +157,34 @@ namespace ComSquare::APU
switch (opcode) {
case 0x00:
return this->NOP();
case 0x02:
return SET1(_getDirectAddr(), 0);
case 0x20:
return this->CLRP();
case 0x22:
return SET1(_getDirectAddr(), 1);
case 0x40:
return this->SETP();
case 0x42:
return SET1(_getDirectAddr(), 2);
case 0x60:
return this->CLRC();
case 0x62:
return SET1(_getDirectAddr(), 3);
case 0x80:
return this->SETC();
case 0x82:
return SET1(_getDirectAddr(), 4);
case 0xA0:
return this->EI();
case 0xA2:
return SET1(_getDirectAddr(), 5);
case 0xC0:
return this->DI();
case 0xC2:
return SET1(_getDirectAddr(), 6);
case 0x32:
return SET1(_getDirectAddr(), 7);
case 0xED:
return this->NOTC();
case 0xEF:
@@ -190,4 +206,13 @@ namespace ComSquare::APU
if (this->_state == Running)
this->_paddingCycles = total - cycles;
}
}
uint24_t APU::_getDirectAddr()
{
uint8_t addr = read(this->_internalRegisters.pc++);
if (this->_internalRegisters.p)
addr += 0x100;
return addr;
}
}