private void CheckFetch(UInt16 expectedContents, UInt16 expectedPr, String message)
{
Word word = Fetcher.Fetch(m_pr, m_memory);
WordTest.Check(word, expectedContents, "Contents: " + message);
CpuRegisterTest.Check(m_pr, expectedPr, "PR: " + message);
}
private void CheckJump(
CpuInstruction instruction, Boolean overflowFlag, Boolean signFlag, Boolean zeroFlag,
Boolean jump, String message)
{
m_registerSet.FR.SetFlags(overflowFlag, signFlag, zeroFlag);
ExecuteEaContentsInstruction(instruction, DontCareUInt16, DontCareUInt16);
UInt16 expected = jump ? EffectiveAddress : NextAddressPlusOne;
CpuRegisterTest.Check(m_registerSet.PR, expected, message);
}
public void CallSubroutine()
{
SP.Value = SpValue;
ExecuteEaContentsInstruction(CpuInstruction.CallSubroutine, DontCareUInt16, DontCareUInt16);
CpuRegisterTest.Check(
SP, SpValueMinusOne, "SP の値が 1 減る");
MemoryTest.Check(
m_memory, SpValueMinusOne, NextAddressPlusOne, "SP の指すアドレスに PR の値を書き込む");
CpuRegisterTest.Check(
PR, EffectiveAddress, "PR に実効アドレスの値が設定される");
}
public void Push()
{
SP.Value = SpValue;
ExecuteEaContentsInstruction(CpuInstruction.Push, DontCareUInt16, DontCareUInt16);
CpuRegisterTest.Check(
SP, SpValueMinusOne, "SP の値が 1 減る");
MemoryTest.Check(
m_memory, SpValueMinusOne, EffectiveAddress,
"SP の指すアドレスに実効アドレスの値を書き込む");
}
public void Pop()
{
const UInt16 PopValue = 0xbcde;
SP.Value = SpValue;
m_memory.Write(SpValue, PopValue);
ExecuteRegisterInstruction(CpuInstruction.Pop, DontCareUInt16, DontCareUInt16);
CpuRegisterTest.Check(
m_registerSet.GR[R1], PopValue, "SP の指すアドレスの値がレジスタに読み込まれる");
CpuRegisterTest.Check(
SP, SpValuePlusOne, "SP の値が 1 増える");
}
public void CallSubroutine()
{
const UInt16 PrValue = 0x1357;
const UInt16 OprValue = 0x9bdf;
SP.Value = SpValue;
PR.Value = PrValue;
Operate(Operator.CallSubroutine, DontCareUInt16, OprValue);
CpuRegisterTest.Check(SP, SpValueMinusOne, "SP の値が 1 減る");
MemoryTest.Check(m_memory, SpValueMinusOne, PrValue, "(SP - 1) に PR の値が書き込まれる");
CpuRegisterTest.Check(PR, OprValue, "PR にオペランドの値が設定される");
}
public void ReturnFromSubroutine_Cancel()
{
const UInt16 PrValue = 0xcdef;
PR.Value = PrValue;
SP.Value = SpValue;
m_cancelRet = true;
Operate(Operator.ReturnFromSubroutine, DontCareUInt16, DontCareUInt16);
CpuRegisterTest.Check(PR, PrValue, "PR の値はそのまま");
CpuRegisterTest.Check(SP, SpValue, "SP の値はそのまま");
String expectedLog = TestLogger.ExpectedLog("OnReturningFromSubroutine: 'SP: 9320 (0x2468)'");
String actualLog = m_logger.Log;
Assert.AreEqual(expectedLog, actualLog, "ReturningFromSubroutine イベントが発生する");
}
public void ReturnFromSubroutine_NotCancel()
{
const UInt16 MemValue = 0xace0;
SP.Value = SpValue;
m_memory.Write(SpValue, MemValue);
m_cancelRet = false;
Operate(Operator.ReturnFromSubroutine, DontCareUInt16, DontCareUInt16);
CpuRegisterTest.Check(PR, MemValue, "PR に SP の指すアドレスの値が設定される");
CpuRegisterTest.Check(SP, SpValuePlusOne, "SP の値が 1 増える");
String expectedLog = TestLogger.ExpectedLog("OnReturningFromSubroutine: 'SP: 9320 (0x2468)'");
String actualLog = m_logger.Log;
Assert.AreEqual(expectedLog, actualLog, "ReturningFromSubroutine イベントが発生する");
}
public void ReturnFromSubroutine()
{
const UInt16 MemValue = 0x9876;
SP.Value = SpValue;
m_memory.Write(SpValue, MemValue);
ExecuteRegisterInstruction(CpuInstruction.ReturnFromSubroutine, DontCareUInt16, DontCareUInt16);
CpuRegisterTest.Check(
PR, MemValue, "SP の指すアドレスの値が PR に読み込まれる");
CpuRegisterTest.Check(
SP, SpValuePlusOne, "SP の値が 1 増える");
String expectedLog = TestLogger.ExpectedLog("OnReturningFromSubroutine: 'SP: 30874 (0x789a)'");
String actualLog = m_logger.Log;
Assert.AreEqual(expectedLog, actualLog, "ReturningFromSubroutine イベントが発生する");
}
private void CheckRegisterRegister(
CpuInstruction instruction, UInt16 reg1Value, UInt16 reg2Value, UInt16 expected, String message)
{
ExecuteRegisterInstruction(instruction, reg1Value, reg2Value);
CpuRegisterTest.Check(m_registerSet.GR[R1], expected, message);
}
private void CheckEaContentsRegister(
CpuInstruction instruction, UInt16 regValue, UInt16 eaContents, UInt16 expected, String message)
{
ExecuteEaContentsInstruction(instruction, regValue, eaContents);
CpuRegisterTest.Check(m_registerSet.GR[R], expected, message);
}
private void CheckRegister(CpuRegister reg, UInt16 expected, String message)
{
CpuRegisterTest.Check(reg, expected, message);
}
