From: Anthony Liu <antliu@gmail.com>
Date: Thu, 5 Dec 2013 15:48:36 +0000 (+0800)
Subject: Fix bug when processing interrupts
X-Git-Tag: v2.0.0~30
X-Git-Url: http://gitweb.hugovil.com/?p=emu8051.git;a=commitdiff_plain;h=2407d4a9a8624353b048b732ae4ea350cf4c1296

Fix bug when processing interrupts

Push current PC onto stack and take vector address from parameter.
---

diff --git a/src/cpu8051.c b/src/cpu8051.c
index 6480853..956ae7d 100644
--- a/src/cpu8051.c
+++ b/src/cpu8051.c
@@ -226,8 +226,8 @@ cpu8051_ReadB(uint8_t bit_address)
 static void
 cpu8051_process_interrupt(int pc, int pri)
 {
-	stack_push16(pc);
-	cpu8051.pc = 0x0B;
+	stack_push16(cpu8051.pc);
+	cpu8051.pc = pc;
 	cpu8051.active_priority = pri;
 }