HT48R50A的 AT24C02 IIC 示例程序

COMPARE_34_D:
                         MOV      A,KEY_DATA
                        SUB     A,0DH
                        SZ      ACC
                        JMP     COMPARE_34_3
                        JMP     SELECT_56
COMPARE_34_3:
                         MOV      A,KEY_DATA
                        SUB     A,03H
                        SZ      ACC
                        JMP     COMPARE_34_4
                        JMP     FUNCTION_3
COMPARE_34_4:
                         MOV      A,KEY_DATA
                        SUB     A,04H
                        SZ      ACC
                        JMP     AGAIN_34
                        JMP     FUNCTION_4
                        RET
;--------------------------------------------------------------------
SELECT_56:
                        CALL    MESSAGE_04
                         MOV      A,4FH
                        CALL    LCD_CURSOR
AGAIN_56:
                        CALL    KEY_GET
                         MOV      A,KEY_DATA
                        SUB     A,0CH
                        SZ      ACC
                        JMP     COMPARE_56_D
                        JMP     SELECT_34
COMPARE_56_D:
                         MOV      A,KEY_DATA
                        SUB     A,0DH
                        SZ      ACC
                        JMP     COMPARE_56_5
                        JMP     SELECT_7
COMPARE_56_5:
                         MOV      A,KEY_DATA
                        SUB     A,05H
                        SZ      ACC
                        JMP     COMPARE_56_6
                        JMP     FUNCTION_5
COMPARE_56_6:
                         MOV      A,KEY_DATA
                        SUB     A,06H
                        SZ      ACC
                        JMP     AGAIN_56
                        JMP     FUNCTION_6
                        RET

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