keil中写了这个程序之后运行debug之后第二次点debug按钮keil出现闪退现象,求各位大佬指教!!!!程序已给出,可以打开keil运行debug之后关闭再打开一次,跪求原因!!!!!
ORG 0000H
LJMP MAIN
ORG 0030H
MAIN: MOV A,30H
ANL A,#01H
RR A
CJNE A,#0,LOOP1
MOV A,30H
ANL A,#0FH
MOV 30H,A
SJMP LOOP2
LOOP1: MOV A,30H
ORL A,#0F0H
MOV 30H,A
LOOP2: SJMP $
END
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