; FUNCTION Func0 (BEGIN)
    R     MOV     R7,b
    R     INC     b
          XCH     A,R0
          MOV     A,R7
          XCH     A,R0
          MOV     A,@R0
    R     MOV     R6,a
    R     INC     a
          XCH     A,R0
          MOV     A,R6
          XCH     A,R0
          MOV     @R0,A
          RET
; FUNCTION Func0 (END)

; FUNCTION Func1 (BEGIN)
    R     MOV     R0,b
          MOV     A,@R0
    R     MOV     R0,a
          MOV     @R0,A
    R     INC     a
    R     INC     b
          RET
; FUNCTION Func1 (END)