EM78P156e控制1621显示的汇编例子

                    BS      PORT5,2    ;DATA=1
                    JMP     WXG
            WXD:
                    BC      PORT5,2    ;DATA=0
            WXG:
                    BC      PORT5,1
                    CALL    YSA
                    BS      PORT5,1
                    RLC     XS2
                    DJZ     XS1
                    JMP     WXC
                    RET
            MAIN:  
                    MOV     A,@0X0
                    IOW     0X0E
                    MOV     A,@0B11000000
                    CONTW
                    CLR     0X0F
                    MOV     A,@0X01
                    IOW     0X0F
                    ENI
                    MOV     A,@0X10
                    MOV     0X4,A
            LOPKN:
                    MOV     A,@0
                    MOV     0X0,A
                    JBS     0X4,6
                    JMP     KOL
                    JMP     KIL
            KOL:
                    NOP
                    INC     0X4
                    JMP     LOPKN
            KIL:
                    BS      0X4,6
                    MOV     A,@0B11110000
                    IOW     PORT5
                    CLR     PORT5
                    MOV     A,@0B11111111
                    IOW     PORT6
                    CLR     PORT6
                    NOP
                    MOV     A,@0x0F
                    MOV     PORT5,A
                    MOV     A,@8
                    MOV     JP1,A
                    MOV     A,@8
                    MOV     JP2,A
                    MOV     A,@0
                    MOV     JP3,A
                    MOV     A,@9
                    MOV     JP4,A
                    CALL    XSZW
                    BC      PORT5,0   ;CS=0
                    CALL    YSA

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