From bafbb9ac286125c76d893f2057cf6e94277f0dcc Mon Sep 17 00:00:00 2001
From: Astrid Smith
Date: Wed, 30 Jun 2010 17:41:52 -0700
Subject: foo

---
 ports.asm | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'ports.asm')

diff --git a/ports.asm b/ports.asm
index e183e7a..ddc0bef 100644
--- a/ports.asm
+++ b/ports.asm
@@ -540,10 +540,11 @@ port_out_03:
 port_in_04:
 port_out_04:
 	;; Bank B paging, among other things
-	;; XXX save registers
+	SAVEREG
 	move.b	d1,-(a7)
 	jsr	bankswap_b_write
 	addq	2,a7
+	RESTREG
 	rts
 
 port_in_05:
@@ -551,10 +552,11 @@ port_out_05:
 port_in_06:
 port_out_06:
 	;; Bank A paging
-	;; XXX save registers
+	SAVEREG
 	move.b	d1,-(a7)
 	jsr	bankswap_a_write
 	addq	2,a7
+	RESTREG
 	rts
 
 port_in_07:
@@ -677,16 +679,19 @@ port_out_10_set_row:
 
 port_in_11:
 	;; LCD data
-	;; XXX save registers
+	SAVEREG
 	jsr	video_read
 	move.b	d0,d1		; return value
+	RESTREG
 	rts
 
 port_out_11:
 	;; LCD data
+	SAVEREG
 	move.b	d1,-(a7)
-	;; XXX save registers
 	jsr	video_write
+	addq	#2,a7
+	RESTREG
 	rts
 
 port_in_12:
-- 
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