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Adding the program counter relative addressing mode

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This commit is contained in:
AnonymusRaccoon
2020-02-11 11:45:22 +01:00
parent 3f45f99991
commit 7d51bc623e
3 changed files with 27 additions and 0 deletions
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18
tests/CPU/testAddressingMode.cpp
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@@ -162,4 +162,22 @@ Test(AddrMode, AbsoluteLongIndexByX)
pair.second.cpu->_registers.x = 0x0005;
cr_assert_eq(pair.second.cpu->_getAbsoluteLongIndexedByXAddr(), 0xEFAC15, "Returned address was %x but was expecting 0xEFAC15.", pair.second.cpu->_getAbsoluteLongIndexedByXAddr());
cr_assert_eq(pair.second.cpu->_registers.pac, 0x808003);
}
Test(AddrMode, ProgramCounterRelativePositive)
{
auto pair = Init();
pair.second.cpu->_registers.pac = 0x808010;
pair.second.cartridge->_data[0x10] = 0x15;
cr_assert_eq(pair.second.cpu->_getProgramCounterRelativeAddr(), 0x808025, "Returned address was %x but was expecting 0x808025.", pair.second.cpu->_getProgramCounterRelativeAddr());
cr_assert_eq(pair.second.cpu->_registers.pac, 0x808011);
}
Test(AddrMode, ProgramCounterRelativeNegative)
{
auto pair = Init();
pair.second.cpu->_registers.pac = 0x808010;
pair.second.cartridge->_data[0x10] = -0x15;
cr_assert_eq(pair.second.cpu->_getProgramCounterRelativeAddr(), 0x807FFB, "Returned address was %x but was expecting 0x807FFB.", pair.second.cpu->_getProgramCounterRelativeAddr());
cr_assert_eq(pair.second.cpu->_registers.pac, 0x808011);
}