hd6301: RTI after TRAP returns to the address where the trap error oc…

…cured
mamedev · Dec 4, 2023 · 6a2b6f5 · 6a2b6f5
1 parent 18b8bfd
commit 6a2b6f5
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/devices/cpu/m6800/6800ops.hxx b/src/devices/cpu/m6800/6800ops.hxx
@@ -41,6 +41,7 @@ OP_HANDLER( illegl3 )
 OP_HANDLER( trap )
 {
 	logerror("m6800: illegal opcode: address %04X, op %02X\n",PC-1,(int) M_RDOP_ARG(PC-1)&0xFF);
+	PC--;
 	take_trap();
 }