noname2.asm

交流调功器的程序

org 0000h
SJMP MAIN
ORG  0023H
LJMP RXSVE
MAIN:
mov sp,#60h
MOV TMOD ,#20H
MOV TL1,#0F3H
MOV TH1,#0F3H
MOV PCON,#80H
SETB TR1
MOV SCON,#50H
setb p1.7
mov r0,#20h
setb ea
setb es
clr ri


sjmp $

;lcall D500MS
;clr p1.7

RXSVE:
  clr ri
  mov a,sbuf
  mov @r0,a
  inc r0
  clr p1.7
  mov sbuf,a
  setb p1.7
  reti
D500MS:MOV R7,#14H
D5003: MOV R5,#64H
D5002: MOV R6,#0FFH
D5001: DJNZ R6,D5001
       DJNZ R5,D5002
       DJNZ R7,D5003
       RET