# HG changeset patch
# User Mike Pavone <pavone@retrodev.com>
# Date 1367632216 25200
# Node ID eec7072189a14f5f3711223730d46e465f2bcfc2
# Parent  1a7d0a964ad2f334d887c938d49f2f2aa88c61d2
Fix crash bug in Z80 interrupt support

diff -r 1a7d0a964ad2 -r eec7072189a1 blastem.c
--- a/blastem.c	Fri May 03 18:49:48 2013 -0700
+++ b/blastem.c	Fri May 03 18:50:16 2013 -0700
@@ -133,7 +133,7 @@
 uint8_t busack = 0;
 uint32_t busack_cycle = CYCLE_NEVER;
 uint8_t new_busack = 0;
-
+//#define DO_DEBUG_PRINT
 #ifdef DO_DEBUG_PRINT
 #define dprintf printf
 #define dputs puts
diff -r 1a7d0a964ad2 -r eec7072189a1 zruntime.S
--- a/zruntime.S	Fri May 03 18:49:48 2013 -0700
+++ b/zruntime.S	Fri May 03 18:50:16 2013 -0700
@@ -38,6 +38,7 @@
 	shr $8, %r13w
 	call z_inccycles
 	call z80_write_byte_noinc
+	pop %r14 /*dispose of return address */
 	/* TODO: Support interrupt mode 0 and 2 */
 	mov $0x38, %r13w
 	call z80_native_addr