--- z80pack-1.25/z80sim/sim6.c	2015-02-18 13:48:55.000000000 +0100
+++ z80pack-1.26/z80sim/sim6.c	2015-02-21 21:55:14.000000000 +0100
@@ -948,7 +948,7 @@
 	//*p >>= 1;
 	memwrt(p, *p >> 1);
 	//*p |= i;
-	memwrt(p, *p | 1);
+	memwrt(p, *p | i);
 	F &= ~(H_FLAG |	N_FLAG);
 	(*p) ? (F &= ~Z_FLAG) :	(F |= Z_FLAG);
 	(*p & 128) ? (F	|= S_FLAG) : (F	&= ~S_FLAG);