摇头.txt

SW_BIT_OUT 功能：由KEYIN 6来控制标志位BIT 6

;--------------------------------
; SW_BIT_OUT
;功能：由KEYIN 6来控制标志位BIT 6
;--------------------------------
SW_BIT_OUT   BTFSS    KEYIN,6
             GOTO     SW_OUT
             MOVLW    40H
             XORWF    BIT,1
SW_OUT       BTFSC    BIT,6
             BSF      RB,2
             BTFSS    BIT,6
             BCF      RB,2
             RETLW    0