ORG 0000H;
AJMP QIUI;
ORG 0003H;
ORG 000BH;
ORG 0013H;
ORG 001BH;
ORG 0023H;
QIUI:
MOV A,#0FFH;
MOV P1,A;
MOV R2,P1;
MOV P2,R2;
AJMP QIUI;
END;