HT48R50A的 AT24C02 IIC 示例程序

                         MOV      DATA_REGISTER,A
                         MOV      A,HT_DATA_ADD
                         MOV      ADDRESS_REGISTER,A

                         MOV      A,HT_DATA_ADD
                        SUB     A,07H
                        SNZ     ACC.7
                        JMP     SEQ_DATA_ADD_CHANGE
                         MOV      A,HT_DATA_ADD
                        ADD     A,80H
                        SUB     A,07H
                         MOV      HT_DATA_ADD,A
                        JMP     SEQ_DISPLAY_BEGIN
SEQ_DATA_ADD_CHANGE:
                         MOV      A,HT_DATA_ADD
                        SUB     A,07H
                         MOV      HT_DATA_ADD,A

SEQ_DISPLAY_BEGIN:
                         MOV      A,OFFSET SEQUENTIAL_READ_BUFFER
                         MOV      MP1,A
                         MOV      A,08H
                         MOV      SEQ_COUNTER,A
SEQ_LOOP:
                         MOV      A,40H
                        CALL    LCD_CURSOR
                         MOV      A,SEQ_COUNTER
                        ADD     A,30H
                        CALL    LCD_PUT_A_CHAR

                         MOV      A,R1
                         MOV      HT_DATA,A
                        CALL    ADDRESS_DATA_DISPLAY
                        INC     MP1
                         MOV      A,HT_DATA_ADD
                        SUB     A,7FH
                        SZ      ACC
                        JMP     SEQ_NOT_ZERO
                        CLR     HT_DATA_ADD
                        JMP     SEQ_END
SEQ_NOT_ZERO:
                        INC     HT_DATA_ADD
SEQ_END:
                         MOV      A,40H
                        CALL    LCD_CURSOR
                        CALL    KEY_GET
                        CALL    DELAY_LONG
                        SDZ     SEQ_COUNTER

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