glint.asm

单片机最小系统程序

ORG 0000H
 LJMP START

ORG 040H
START:

LOOP:
 SETB P1.0
 CLR P1.1
 LCALL DELAY
 CLR P1.0
 SETB P1.1
 LCALL DELAY
 AJMP LOOP

DELAY:
 MOV R7,#250
 D1:MOV R6,#250
 D2:MOV R5,#4
 D3:DJNZ R5,D3
 DJNZ R6,D2
 DJNZ R7,D1
 RET

 END