N76E003-ASSEMBLY-EXAMPLE-master.zip
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- ORG 00H
-
- P0M1 EQU 0B1H
- P0M2 EQU 0B2H
- P1M1 EQU 0B3H
- P1M2 EQU 0B4H
-
- MOV P0M1, #00H
- MOV P0M2, #0FFH
- MOV P1M1, #00H
- MOV P1M2, #0FFH
-
- RS EQU P1.0
- RW EQU P1.1
- E EQU P1.2
-
- MAIN: MOV P0, #38H
- ACALL SEND_INSTRUCTION ;2 line and 5x7 matrix
-
- MOV P0, #0EH ;display on cursor blink
- ACALL SEND_DATA
-
- MOV P0, #01H ;clear display screen
- ACALL SEND_INSTRUCTION
- HERE: MOV P0, #80H ;FIRST LINE
- ACALL SEND_INSTRUCTION
-
- MOV P0, #'M'
- ACALL SEND_DATA
- MOV P0, #'A'
- ACALL SEND_DATA
- MOV P0, #'Y'
- ACALL SEND_DATA
- MOV P0, #'U'
- ACALL SEND_DATA
- MOV P0, #'R'
- ACALL SEND_DATA
-
- MOV P0, #0C0H ;FORCE CURSOR TO 2ND LINE
- ACALL SEND_DATA
-
- MOV P0, #'P'
- ACALL SEND_DATA
- MOV P0, #'A'
- ACALL SEND_DATA
- MOV P0, #'T'
- ACALL SEND_DATA
- MOV P0, #'I'
- ACALL SEND_DATA
- MOV P0, #'L'
- ACALL SEND_DATA
- SJMP HERE
-
- SEND_INSTRUCTION: CLR RW
- CLR RS
- SETB E
- ACALL DELAY
- CLR E
- RET
-
- SEND_DATA: CLR RW
- SETB RS
- SETB E
- ACALL DELAY
- CLR E
- RET
-
- DELAY: MOV R0, #10
- Here2: MOV R1, #255
- Here1: DJNZ R1, Here1
- DJNZ R0, Here2
- RET
- END
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