Fixed the noise channel. Fixed speech in IM. Added 0xED57 to play WBIII

2026-05-15 22:09:20 +01:00
parent f52a5cbfdb
commit 4e745b4fbc
5 changed files with 411 additions and 380 deletions
--- a/Core/Cpu/Z80.cs
+++ b/Core/Cpu/Z80.cs
@@ -1340,6 +1340,18 @@ namespace Core.Cpu
                case 0x56: // IM 1
                    InterruptMode = 1;
                    return 8;
+                case 0x57: // LD A, I
+                    {
+                        AF.High = I; // Copy I into A
+                        byte flags57 = (byte)(AF.Low & 0x01); // Preserve Carry
+
+                        if ((AF.High & 0x80) != 0) flags57 |= 0x80; // S flag
+                        if (AF.High == 0) flags57 |= 0x40;          // Z flag
+                        if (IFF2) flags57 |= 0x04;                  // P/V flag gets IFF2
+                        flags57 |= (byte)(AF.High & 0x28);
+                        AF.Low = flags57;
+                        return 9;
+                    }
                case 0x58: // IN E, (C)
                    byte inVal58 = ReadPort(BC.Word);
                    DE.Low = inVal58;