From: ceb <ceb>
Date: Mon, 3 Jan 2005 19:27:27 +0000 (+0000)
Subject: Added debugging macro to nmra-stream.asm, to write debugging info out over
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=35d24814381fffb6718b5394b64e45eba3868193;p=trains.git

Added debugging macro to nmra-stream.asm, to write debugging info out over
the serial port/.
---

diff --git a/cebpic/nmra-stream.asm b/cebpic/nmra-stream.asm
index 6d1592c..63d92f7 100644
--- a/cebpic/nmra-stream.asm
+++ b/cebpic/nmra-stream.asm
@@ -36,6 +36,24 @@ TOTRACKBIT	equ	0x3	; byte 3: bit location of pointer within byte
 
 	code
 
+;*****************************************************************************************
+
+macros
+
+; macro to call subroutine to transmit over serial port for debugging
+; takes 8-bit value, puts in W, invokes debug_serial_transmit
+
+debug macro debugvalue
+	movlw	debugvalue
+	call	debug_serial_transmit
+	endm
+
+debug_serial_transmit
+	movwf	TXREG,0		; move contents of W (i.e. debugvalue) to TXREG for transmission
+	return
+
+;*****************************************************************************************
+
 initialise
 
 ; serial set-up
diff --git a/detpic/nmra-stream.asm b/detpic/nmra-stream.asm
index 6d1592c..63d92f7 100644
--- a/detpic/nmra-stream.asm
+++ b/detpic/nmra-stream.asm
@@ -36,6 +36,24 @@ TOTRACKBIT	equ	0x3	; byte 3: bit location of pointer within byte
 
 	code
 
+;*****************************************************************************************
+
+macros
+
+; macro to call subroutine to transmit over serial port for debugging
+; takes 8-bit value, puts in W, invokes debug_serial_transmit
+
+debug macro debugvalue
+	movlw	debugvalue
+	call	debug_serial_transmit
+	endm
+
+debug_serial_transmit
+	movwf	TXREG,0		; move contents of W (i.e. debugvalue) to TXREG for transmission
+	return
+
+;*****************************************************************************************
+
 initialise
 
 ; serial set-up