--- nono/util/runx/m680x0.cpp	2026/04/29 17:05:27	1.1
+++ nono/util/runx/m680x0.cpp	2026/04/29 17:05:36	1.1.1.2
@@ -277,7 +277,7 @@ exec_op(pid_t pid, struct reg *reg, int
 		oplen = 4;
 		break;
 
-	 case 0xf200 ... 0xf23f:	// FPU
+	 case 0xf200 ... 0xf3ff:	// FPU
 		if (signo == SIGILL) {
 			inst2 = readmem2(RegPC + 2);
 			TRACE(RegPC, "Illegal FP instruction %04x %04x", inst, inst2);