Update md.asm

minors

Source/HBIOS/md.asm

@@ -998,10 +998,10 @@ MD_FREAD:
 	PUSH	HL
 	PUSH	DE
 ;
-	LD	L,0			; CHANGE ADDRESS
-	LD	A,H			; TO SECTOR BOUNDARY
-	AND	$F0			; BY MASKING OFF
-	LD	H,A			; LOWER 12 BITS
+;	LD	L,0			; CHANGE ADDRESS
+;	LD	A,H			; TO SECTOR BOUNDARY
+;	AND	$F0			; BY MASKING OFF
+;	LD	H,A			; LOWER 12 BITS
 ;
 	LD	BC,MD_FREAD_R		; PUT ROUTINE TO CALL
 	JP	FF_FNCALL		; EXECUTE
@@ -1079,10 +1079,10 @@ MD_FWRIT:
 	PUSH	HL
 	PUSH	DE
 ;
-	LD	L,0			; CHANGE ADDRESS
-	LD	A,H			; TO SECTOR BOUNDARY
-	AND	$F0			; BY MASKING OFF
-	LD	H,A			; LOWER 12 BITS
+;	LD	L,0			; CHANGE ADDRESS
+;	LD	A,H			; TO SECTOR BOUNDARY
+;	AND	$F0			; BY MASKING OFF
+;	LD	H,A			; LOWER 12 BITS
 ;
 	LD	BC,MD_FWRIT_R		; PUT ROUTINE TO CALL
 	JP	FF_FNCALL		; EXECUTE