bahf.asm

倒车雷达源代码

       MOVX    @DPTR,A

       MOV     DPTR,#WINSC1
       MOV     A,#60H
       MOVX    @DPTR,A

       MOV     DPTR,#OSDRA    ;DISPLAY ROW ADDRESS
       MOV     A,#05H
       MOVX    @DPTR,A

       MOV     DPTR,#OSDCA    ;DISPLAY COLUMN ADDRESS
       MOV     A,#00H
       MOVX    @DPTR,A

       MOV     DPTR,#OSDDT0  ;DISPLAY "M"
       MOV     A,#4DH
       MOVX    @DPTR,A

       MOV     A,#45H       ;The row and column address will be incremented automatically when the format (c) is applied.
       MOVX    @DPTR,A

       MOV     A,#44H
       MOVX    @DPTR,A

       MOV     A,#49H
       MOVX    @DPTR,A

       MOV     A,#41H
       MOVX    @DPTR,A

       MOV     A,#56H
       MOVX    @DPTR,A

       MOV     A,#49H
       MOVX    @DPTR,A

       MOV     A,#45H
       MOVX    @DPTR,A

       MOV     A,#57H
       MOVX    @DPTR,A

       MOV     A,#30H
       MOVX    @DPTR,A

       MOV     A,#31H
       MOVX    @DPTR,A

       MOV     A,#32H
       MOVX    @DPTR,A

       MOV     A,#33H
       MOVX    @DPTR,A

       MOV     A,#34H
       MOVX    @DPTR,A

       MOV     A,#35H
       MOVX    @DPTR,A

       MOV     A,#36H
       MOVX    @DPTR,A

       MOV     A,#37H
       MOVX    @DPTR,A

       MOV     A,#38H
       MOVX    @DPTR,A

       MOV     A,#39H
       MOVX    @DPTR,A

       MOV     A,#41H
       MOVX    @DPTR,A

       MOV     A,#42H
       MOVX    @DPTR,A

       MOV     A,#43H
       MOVX    @DPTR,A

       MOV     A,#44H
       MOVX    @DPTR,A

       MOV     A,#45H
       MOVX    @DPTR,A

       MOV     A,#46H
       MOVX    @DPTR,A

       MOV     A,#47H
       MOVX    @DPTR,A

       MOV     A,#48H
       MOVX    @DPTR,A

       MOV     A,#49H
       MOVX    @DPTR,A

       MOV     A,#4AH
       MOVX    @DPTR,A

       MOV     A,#4BH
       MOVX    @DPTR,A


       MOV     DPTR,#OSDRA   ;DISPLAY ROW ATTRIBUTE
       MOV     A,#45H
       MOVX    @DPTR,A

       MOV     DPTR,#OSDCA   ;DISPLAY COLUMN ATTRIBUTE
       MOV     A,#00H
       MOVX    @DPTR,A

       MOV     DPTR,#OSDDT0  ;DISPLAY "M",RED BACKGROUND WHITE CHAR
       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     A,#1FH
       MOVX    @DPTR,A

       MOV     DPTR,#OSDRA    ;DISPLAY ROW ADDRESS
       MOV     A,#05H
       MOVX    @DPTR,A

       MOV     DPTR,#OSDCA    ;DISPLAY COLUMN ADDRESS
       MOV     A,#30H
       MOVX    @DPTR,A

       MOV     DPTR,#OSDDT0  ;DISPLAY "M"
       MOV     A,#03H
       MOVX    @DPTR,A
       AJMP    MAIN
DELAY1:
       MOV     R1,#100
DL11:
       MOV     R2,#100
       DJNZ    R2,$
       DJNZ    R1,DL11
       RET
DELAY2:
       MOV     R1,#200
DL21:
       MOV     R2,#200
DL22:
       MOV     R3,#100
       DJNZ    R3,$
       DJNZ    R2,DL22
       DJNZ    R1,DL21
       RET
       END