sp; SHUZIXIANSHI
SJMP END_P
PR_4: CLR A ; 四次按键
MOV A,58H
SWAP A
MOV 52H,A
SWAP A
MOV ADDR1,#0CH
LCALL SHUZIXIANSHI
SJMP END_P
END_P: RET
SS: LJMP YUZHI
;=============================================================
;结果显示子程序
;=============================================================
CELIANGJIEGUO: LCALL ADC0809 ; 调用0809采样程序
LCALL ZHH ; 调用转换程序
MOV ADDR1,#08H ; 采数据送LCD显示
MOV A,40H
LCALL SHUZIXIANSHI
MOV ADDR1,#09H
MOV A,41H
SWAP A
LCALL SHUZIXIANSHI
MOV ADDR1,#0AH
MOV A,41H
LCALL SHUZIXIANSHI
MOV ADDR1,#0CH
MOV A,43H
&nb