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Code Issues Projects Releases Wiki Activity

Fix a bunch of analysis issues

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This commit is contained in:
Adrian Conlon
2025-04-01 09:32:29 +01:00
parent 820fb707b9
commit 973590690c
4 changed files with 28 additions and 20 deletions
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LR35902/Disassembler.cs
+17 -2
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@@ -25,6 +25,8 @@ namespace LR35902
public static string AsFlag(byte value, StatusBits flag, string represents) => AsFlag(value, (byte)flag, represents);
public static string AsFlag(byte value, Interrupts flag, string represents) => AsFlag(value, (byte)flag, represents);
public static string AsFlag(byte value, Bits flag, string represents) => AsFlag(value, (byte)flag, represents);
public static string AsFlags(byte value) =>
@@ -37,6 +39,13 @@ namespace LR35902
+ $"{AsFlag(value, Bits.Bit1, "+")}"
+ $"{AsFlag(value, Bits.Bit0, "+")}";
public static string AsInterrupt(byte value) =>
$"{AsFlag(value, Interrupts.KeypadPressed, "K")}"
+ $"{AsFlag(value, Interrupts.SerialTransfer, "S")}"
+ $"{AsFlag(value, Interrupts.TimerOverflow, "T")}"
+ $"{AsFlag(value, Interrupts.DisplayControlStatus, "D")}"
+ $"{AsFlag(value, Interrupts.VerticalBlank, "V")}";
public static string State(LR35902 cpu)
{
ArgumentNullException.ThrowIfNull(cpu);
@@ -56,12 +65,18 @@ namespace LR35902
var h = cpu.H;
var l = cpu.L;
var ime = cpu.IME?1:0;
var ie = cpu.IE;
var i_f = cpu.IF;
var masked = cpu.MaskedInterrupts;
return
$"PC={pc.Word:x4} SP={sp.Word:x4} "
$"PC={pc.Word:x4} SP={sp.Word:x4} "
+ $"A={a:x2} F={AsFlags(f)} "
+ $"B={b:x2} C={c:x2} "
+ $"D={d:x2} E={e:x2} "
+ $"H={h:x2} L={l:x2}";
+ $"H={h:x2} L={l:x2} "
+ $"IME={ime} IE={AsInterrupt(ie)} IF={AsInterrupt(i_f)} Masked={AsInterrupt(masked)}";
}
public string Disassemble(LR35902 cpu)