From: ian <ian>
Date: Sat, 17 Dec 2005 14:58:31 +0000 (+0000)
Subject: actually compute correct bit value address
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=48a51c3193ada65d949179978b9a39c698bb6a5e;p=trains.git

actually compute correct bit value address
---

diff --git a/detpic/points.asm b/detpic/points.asm
index 7dfcd50..3632255 100644
--- a/detpic/points.asm
+++ b/detpic/points.asm
@@ -193,7 +193,8 @@ points_init_portbit_if_used
 	mov_fw	TABLAT
 	bra_n	point_initing_bad_point
 	
-	and_wff	FSR1L		; FSR1 -> bit value for bit
+	ior_wff	0xf0		; W -> bit value for bit
+	mov_wf	FSR1L		; FSR1 -> bit value for bit
 
 	swap_fw	TABLAT		; W = bitnum4 || portnum4
 	and_lw	0x0f		; W = portnum4