EM78P156e+1621显示汇编例子

            ;HT1621 ,3.58,OUT 20001  /6/22

            INDI    EQU     0X0
            RTCC    EQU     0X1
            PC      EQU     0X2
            STATUS  EQU     0X3
            FSR     EQU     0X4
            PORT5   EQU     0X5
            PORT6   EQU     0X6
            STACK_A EQU     0X10
            STACK_S EQU     0X11
            XS1     EQU     0X12
            XS2     EQU     0X13
            XS3     EQU     0X15
            XS4     EQU     0X16
            XS5     EQU     0X17
            XS6     EQU     0X18
            XS7     EQU     0X19
            XS8     EQU     0X1A
            JP1     EQU     0X1B
            JP2     EQU     0X1C
            JP3     EQU     0X1D
            JP4     EQU     0X1E
            XS9     EQU     0X20
            XS10    EQU     0X21
                    ORG     0
                    JMP     MAIN
                    ORG     8
                    MOV     STACK_A,A
                    SWAP    STACK_A
                    SWAPA   STATUS
                    MOV     STACK_S,A
                    CLR     0XF
                    SWAPA   STACK_S
                    MOV     STATUS,A
                    SWAPA   STACK_A
                    RETI
            BIA
                    ADD     0X2,A
                    RETL    @0B11101110     ;0
                    RETL    @0B01001000     ;1
                    RETL    @0B10111010     ;2
                    RETL    @0B11011010     ;3
                    RETL    @0B01011100     ;4
                    RETL    @0B11010110     ;5
                    RETL    @0B11110110     ;6
                    RETL    @0B01001010     ;7
                    RETL    @0B11111110     ;8
                    RETL    @0B01011110     ;9
                    RETL    @0B00000000     ;A
            XSZW:
                    MOV     A,JP1
                    CALL    BIAO
                    MOV     XS3,A
                    MOV     A,JP2
                    CALL    BIAO
                    MOV     XS4,A
                    MOV     A,JP3
                    CALL    BIAO
                    MOV     XS5,A
                    MOV     A,JP4
                    CALL    BIAO
                    MOV     XS6,A
                    MOV     A,@7
                    MOV     XS1,A
            AWS:
                    RLC     XS10
                    RLC     XS9
                    RLC     XS8
                    RLC     XS7
                    JBS     XS6,1
                    JMP     ASD1
                    BS      XS10,4
                    JMP     ASG1
            ASD1:
                    BC      XS10,4
            ASG1:
                    RRC     XS6
                    RLC     XS10
                    RLC     XS9
                    RLC     XS8
                    RLC     XS7
                    JBS     XS5,1
                    JMP     ASD2
                    BS      XS10,4
                    JMP     ASG2
            ASD2:
                    BC      XS10,4
            ASG2:
                    RRC     XS5
                    RLC     XS10
                    RLC     XS9
                    RLC     XS8
                    RLC     XS7
                    JBS     XS4,1
                    JMP     ASD3
                    BS      XS10,4
                    JMP     ASG3
            ASD3:
                    BC      XS10,4
            ASG3:
                    RRC     XS4
                    RLC     XS10
                    RLC     XS9
                    RLC     XS8
                    RLC     XS7
                    JBS     XS3,1
                    JMP     ASD4
                    BS      XS10,4
                    JMP     ASG4
            ASD4:
                    BC      XS10,4
            ASG4:
                    RRC     XS3
                    DJZ     XS1
                    JMP     AWS
                    RET
            YSA:
                    MOV     A,@2
                    MOV     XS3,A
            LOP1:
                    NOP
                    DJZ     XS3,A
                    JMP     LOP1
                    RET
            XSS:                     ;HT1621 XS 8-BITS  COMMAND MODE
                    BS      PORT5,1
                    BC      PORT5,0    ;CS=0
                    CALL    YSA
                    BC      PORT5,1
                    CALL    YSA
                    BS      PORT5,1   ;DATA=1
                    BC      PORT5,2
                    BC      PORT5,1
                    CALL    YSA
                    BS      PORT5,1   ;DATA=0
                    BC      PORT5,1
                    CALL    YSA
                    BS      PORT5,1  ;DATA=0
                    MOV     A,@8
                    MOV     XS1,A
            XSC:
                    JBS     XS2,7
                    JMP     XSD
                    BS      PORT5,2   ;DATA=1
                    JMP     XSG
            XSD:
                    BC      PORT5,2    ;DATA=0
            XSG:
                    BC      PORT5,1
                    CALL    YSA
                    BS      PORT5,1
                    RLC     XS2
                    DJZ     XS1
                    JMP     XSC
                    BC      PORT5,1
                    CALL    YSA
                    BS      PORT5,1     ;DATA=?
                    BS      PORT5,0    ;CS=1
                    RET
            XSA:            ;HT1621XS WRITE MODE
                    MOV     A,@8
                    MOV     XS1,A
            WXC:
                    JBS     XS2,7
                    JMP     WXD
                    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
                    BS      PORT5,0   ;CS=1
                    CALL    YSA
                    BC      PORT5,0   ;CS=0
                    CALL    YSA
                    BS      PORT5,0   ;CS=1
                    CALL    YSA
                    MOV     A,@0B11100011 ;COMMAND NORAML MODE
                    MOV     XS2,A
                    CALL    XSS
                    MOV     A,@0B00011000   ;SYSTEM RC 256K
                    MOV     XS2,A
                    CALL    XSS
                    MOV     A,@0B00101001   ;BIAS 1/3 4 COMMONS
                    MOV     XS2,A
                    CALL    XSS
                    MOV     A,@0B00000001   ;SYS EN
                    MOV     XS2,A
                    CALL    XSS
                    MOV     A,@0B00001001   ;TONE ON
                    MOV     XS2,A
                    CALL    XSS
                    MOV     A,@0B01000000   ;WRITE
                    MOV     XS2,A
                    BC      PORT5,0         ;CS=0
                    CALL    YSA
                    BS      PORT5,2
                    BC      PORT5,1
                    CALL    YSA
                    BS      PORT5,1         ;DATA=1
                    CALL    XSA
                    MOV     A,XS7     ;1
                    MOV     XS2,A
                    CALL    XSA
                    MOV     A,XS8       ;2
                    MOV     XS2,A
                    CALL    XSA
                    MOV     A,XS9     ;3
                    MOV     XS2,A
                    CALL    XSA
                    MOV     A,XS10       ;4
                    MOV     XS2,A
                    CALL    XSA
                    MOV     A,@0XFF        ;5
                    MOV     XS2,A
                    CALL    XSA
                    BS      PORT5,0   ;CS=1
                    MOV     A,@0B00000011   ;LCD ON
                    MOV     XS2,A
                    CALL    XSS
                    NOP
            KK:
                    NOP
                    NOP
                    NOP
                    NOP
                    NOP
                    JMP     KK
                    EOP