From 5ca671aecb18e0e2bfa9caba918327652afdb856 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rados=C5=82aw=20Kujawa?= <radoslaw.kujawa@c0ff33.net>
Date: Sat, 21 Jan 2017 09:13:43 +0100
Subject: [PATCH] Print value of PC register when unimplemented opcode
 encountered.

---
 src/rk65c02.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/rk65c02.c b/src/rk65c02.c
index 5a7b041..c59f942 100644
--- a/src/rk65c02.c
+++ b/src/rk65c02.c
@@ -35,7 +35,8 @@ rk65c02_start(rk65c02emu_t *e) {
 		if (id.emul != NULL)
 			id.emul(e, &i);
 		else {
-			printf("unimplemented opcode %X\n", i.opcode);
+			printf("unimplemented opcode %X @ %X\n", i.opcode,
+			    e->regs.PC);
 			e->state = STOPPED;
 		}