x0 equ 30
x1 equ 60
x2 equ 90
x3 equ 120
x4 equ 150
x5 equ 180
x6 equ 210
x7 equ 240
fz equ 10
sw bit p3.2
bz bit 00h
ORG 0000H
aJMP START
ORG 0013H ;int1入口
aJMP int1 //这行有问题
ORG 001bH ;定时器T1入口
aJMP intt1
org 0030h
int1: clr EX1 //这行也有问题
MOV TH1,#3ch ;定时时间约为100ms
MOV TL1,#0b0h
setb tr1 ;启动T1计时
setb et1 ;允许T1中断
mov th0,#0
mov tl0,#0
setb tr0
reti
intt1: clr tr0
mov a,tl0
mov b,x0
acall jspd
jb bz,d01
cpl p1.0
jb sw,d01
mov a,p1
orl a,#0feH
mov p1,a
ajmp d09
d01: mov b,x1
acall jspd
jb bz,d02
cpl p1.1
jb sw,d02
mov a,p1
orl a,#0fdH
mov p1,a
ajmp d09
d02: mov b,x2
acall jspd
jb bz,d03
cpl p1.2
jb sw,d03
mov a,p1
orl a,#0fbH
mov p1,a
ajmp d09
d03: mov b,x3
acall jspd
jb bz,d04
cpl p1.3
jb sw,d04
mov a,p1
orl a,#07H
mov p1,a
ajmp d09
d04: mov b,x4
acall jspd
jb bz,d05
cpl p1.4
jb sw,d05
mov a,p1
orl a,#0efH
mov p1,a
ajmp d09
d05: mov b,x5
acall jspd
jb bz,d06
cpl p1.5
jb sw,d06
mov a,p1
orl a,#0dfH
mov p1,a
ajmp d09
d06: mov b,x6
acall jspd
jb bz,d07
cpl p1.6
jb sw,d07
mov a,p1
orl a,#0bfH
mov p1,a
ajmp d09
d07: mov b,x7
acall jspd
jb bz,d09
cpl p1.7
jb sw,d09
mov a,p1
orl a,#7fH
mov p1,a
d09: setb ex1
reti
jspd: push acc
clr bz
cjne a,b,jspd1
ajmp jspd5
jspd1: jc jspd2
subb a,r2
ajmp jspd3
jspd2: mov r1,b
mov b,a
mov a,r1
clr c
subb a,b
jspd3: cjne a,fz,jspd4
ajmp jspd5
jspd4: jc jspd5
setb bz
pop acc
ret
jspd5: clr bz
pop acc
ret
start: MOV P1,#0FFH
mov p3,#0ffh
clr it1 ;int1中断为电平触发
SETB EX1 ;允许int1中断
MOV TMOD,#15H ;设置T0为计数方式、T1为计时方式1
setb ea ;开所有中断
xh: nop
ajmp xh
end
I:\接收.asm(15): error A45: UNDEFINED SYMBOL (PASS-2)
I:\接收.asm(19): error A8: ATTEMPT TO DEFINE AN ALREADY DEFINED LABEL