Update ps2iface.inc

Source/HBIOS/ps2iface.inc

@@ -15,7 +15,7 @@
 ;__________________________________________________________________________________________________
 ;
 ;
-KBDQSIZ		.EQU	32		; MUST BE POWER OF TWO, <=128.
+KBDQSIZ		.EQU	32		; MUST BE POWER OF TWO, <=128
 KBDQGETX	.DB	0		; QUEUE INDEX
 KBDQPUTX	.DB	0		; QUEUE INDEX
 ;		.DB	$55		; GUARD BYTE FOR DEBUGGING ; NOTE THAT SCAN CODES ARE BEING
@@ -40,13 +40,8 @@ KBD_INT:
 ;	CALL	KBDQDBG
 	LD	IY,KBDIDAT		; POINT TO PORT TABLE
 ;
-;	LD	C,(IY+KBD_ST)
-;	EZ80_IO
-;	IN	A,(C)			; READ CONTROLLER STATUS
-;	AND	1			; EXIT IF NOTHING
-
-	CALL	KBD_IST_P
-	RET	Z			; TO READ
+	CALL	KBD_IST_P		; READ CONTROLLER STATUS
+	RET	Z			; EXIT IF NOTHINGTO READ
 	LD	C,(IY+KBD_DAT)
 	EZ80_IO				; IF SOMETHING PENDING
 	IN	A,(C)			; READ THE BYTE IN