Updates and new folder structure

Source/COMMAND.A86

@@ -26,7 +26,7 @@ SYSTEM:	EQU	5
 
 	MOV	SP,STACK
 	CLD
-	MOV	DL,0		;Start with A:
+	MOV	DL,0		;Start with drive A
 SETDRV:
 	MOV	CL,SELDRV
 	CALL	SYSTEM
@@ -60,7 +60,7 @@ GETCOM:
 	CALL	SYSTEM		;Print drive letter
 	MOV	DL,":"
 	MOV	CL,OUTCH
-	CALL	SYSTEM		;Print :
+	CALL	SYSTEM		;Print ":"
 	MOV	DX,LINBUF
 	MOV	CL,INBUF
 	CALL	SYSTEM
@@ -199,7 +199,7 @@ FILEDRV:
 	JZ	NOMATCH
 	CMP	B,[SI],":"
 	JNZ	NOMATCH
-	SUB	AL,40H		;A => 1, B => 2
+	SUB	AL,40H		;Convert to drive number
 	INC	SI
 	RET
 
@@ -476,4 +476,4 @@ COMTAB:
 	DB	0
 
 TPA:
-
+