5_4.txt

来自「This are the Laboratory programs for the」· 文本 代码 · 共 15 行

;TIMER IN MOD 2
ORG 0000H
MOV TH0,#0FEH
MOV TMOD,#02H
MOV TL0, #0CH
SETB P1.0
SETB TR0
XXX:
JB TF0,CMPL
SJMP XXX
CMPL:
CLR TF0
CPL P1.0
SJMP XXX
END