?? s7-4.asm
字號:
ORG 0000H
LJMP MAIN
ORG 030H
MAIN: MOV 20H,#00H
GOON: MOV A,20H
ANL A,#0FH
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
MOV A,20H
SWAP A
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
ACALL DEL
INC 20H
AJMP GOON
DEL: MOV R7,#014H
DEL1: MOV R6,#0FFH
DEL2: MOV R5,#01FH
DEL3: DJNZ R5,DEL3
DJNZ R6,DEL2
DJNZ R7,DEL1
RET
ORG 0100H
TAB: DB 0C0H,0F9H,0A4H,0B0H,099H,092H,082H,0F8H
DB 080H,090H,088H,083H,0C6H,0A1H,086H,08EH
END
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