shithub: sms

Download patch

ref: fe0669d2c79cadd91c4b0d171641e84c9a8b9344
parent: e1dfe664672f3520ecfccefd0fe6a9c1a8d38c0f
author: Jean-André Santoni <jean.andre.santoni@gmail.com>
date: Sat Mar 7 16:32:12 EST 2026

Add missing x/y flag updates

--- a/z80.c
+++ b/z80.c
@@ -439,6 +439,10 @@
 		s[rF] |= FLAGS;
 	if(!parity(s[rA]))
 		s[rF] |= FLAGV;
+	if((s[rA] & 0x08) != 0)
+		s[rF] |= FLAGX;
+	if((s[rA] & 0x20) != 0)
+		s[rF] |= FLAGY;
 	return 18;
 }
 
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