From 6b7298cf8d03df44ec36a880d82270ee63498801 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rados=C5=82aw=20Kujawa?= <radoslaw.kujawa@c0ff33.net>
Date: Mon, 23 Jan 2017 14:45:46 +0100
Subject: [PATCH] Avoid intermediate variable in AND emulation.

---
 src/emulation.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/emulation.c b/src/emulation.c
index 206b4ac..0430cb5 100644
--- a/src/emulation.c
+++ b/src/emulation.c
@@ -6,10 +6,7 @@
 void
 emul_and(rk65c02emu_t *e, void *id, instruction_t *i)
 {
-	uint8_t rv;
-
-	rv = e->regs.A & (instruction_data_read_1(e, (instrdef_t *) id, i));
-	e->regs.A = rv;
+	e->regs.A &= (instruction_data_read_1(e, (instrdef_t *) id, i));
 
 	instruction_status_adjust_zero(e, e->regs.A);
 	instruction_status_adjust_negative(e, e->regs.A);