diff --git a/branches/s100/Source/std.asm b/branches/s100/Source/std.asm
index 9dfc86d8..94726232 100644
--- a/branches/s100/Source/std.asm
+++ b/branches/s100/Source/std.asm
@@ -60,17 +60,17 @@ VDADEV_N8V	.EQU	$40		; N8 ONBOARD VDA SUBSYSTEM
 ;
 ; CHARACTER DEVICES
 ;
-CIODEV_UART	.EQU	$00
+CIODEV_UART		.EQU	$00
 ;CIODEV_ASCI	.EQU	$10
-;CIODEV_VDU	.EQU	$20
+;CIODEV_VDU		.EQU	$20
 ;CIODEV_CVDU	.EQU	$30
 ;CIODEV_UPD7220	.EQU	$40
 ;;CIODEV_N8V	.EQU	$50
 ;CIODEV_PRPCON	.EQU	$60
 ;CIODEV_PPPCON	.EQU	$70
-;CIODEV_CRT	.EQU	$D0
-;CIODEV_BAT	.EQU	$E0
-;CIODEV_NUL	.EQU	$F0
+;CIODEV_CRT		.EQU	$D0
+CIODEV_BAT		.EQU	$E0
+;CIODEV_NUL		.EQU	$F0
 
 ;
 ; DISK DEVICES (ONLY FIRST NIBBLE RELEVANT, SECOND NIBBLE RESERVED FOR UNIT)