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Correct interrupt flag checks in Gameboy checker

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This commit is contained in:
Adrian Conlon
2025-08-14 11:18:02 +01:00
parent a4e704fef4
commit 4da07a8fa2
2 changed files with 19 additions and 6 deletions
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23
LR35902/SM83.HarteTest/Checker.cs
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@@ -70,6 +70,11 @@
this.Raise("L", final.L, cpu.L);
this.Raise("IME", final.IME, (byte)(cpu.IME ? 1 : 0));
if (final.IE is not null)
{
this.Raise("IE", final.IE.Value, cpu.IE);
}
if (test.Cycles is null)
{
throw new InvalidOperationException("test cycles cannot be null");
@@ -206,10 +211,12 @@
var e_good = this.Check("E", final.E, cpu.E);
var h_good = this.Check("H", final.H, cpu.H);
var l_good = this.Check("L", final.L, cpu.L);
var ime_good = true;
if (final.EI is not null)
var ime_good = this.Check("IME", final.IME, (byte)(cpu.IME ? 1 : 0));
var ie_good = true;
if (final.IE is not null)
{
ime_good = this.Check("IME", final.EI.Value, (byte)(cpu.IME ? 1 : 0));
ie_good = this.Check("IE", final.IE.Value, cpu.IE);
}
if (!f_good)
@@ -247,7 +254,8 @@
&& b_good && c_good
&& d_good && e_good
&& h_good && l_good
&& ime_good;
&& ime_good
&& ie_good;
}
private void Raise(string what, ushort expected, ushort actual) => this.Messages.Add($"{what}: expected: {expected:X4}, actual: {actual:X4}");
@@ -291,7 +299,12 @@
cpu.H = state.H;
cpu.L = state.L;
cpu.IME = state.IME != 0;
cpu.IE = state.IE;
if (state.IE is not null)
cpu.IE = state.IE.Value;
if (state.EI is not null)
throw new InvalidOperationException("Initial EI state should be null");
var initialRAM = state.RAM ?? throw new InvalidOperationException("Initial test state cannot have invalid RAM");
foreach (var entry in initialRAM)

2
LR35902/SM83.HarteTest/State.cs
View File

@@ -19,7 +19,7 @@
public byte L { get; set; }
public byte IME { get; set; }
public byte IE { get; set; }
public byte? IE { get; set; }
public byte? EI { get; set; }
public int[][]? RAM { get; set; }