hi all,
i have a problem regarding interrupt0,when an interrupt occur it is disabled inside interrupt service routine and enabled after two second now if an interrupt occur again within two second cpu recognise it after interrupt is enabled again although interrupt occured when it was disabled it should not recognise interrupt,below is the code,please tell me where is problem.



port0 data 080h
port1 data 090h
port2 data 0a0h
port3 data 0b0h
sp data 081h
ie data 0a8h
tcon data 088h
psw data 0d0h
b data 0f0h
acc data 0e0h
dpl data 082h
dph data 083h
tmod data 89h
tl1 data 8bh
th1 data 8dh
tl0 data 8ah
th0 data 8ch
scon data 98h
sbuf data 99h
status data 20h
org 0000h
ljmp program_start ;bypass interupt table
org 0003h
ljmp interrupt0
org 0030h
program_start:
clr status.1
setb tcon.0
mov ie,#10000011b
here:
jnb status.1,here
lcall two_second_delay ;two second delay
sjmp program_start


interrupt0:
clr ie.0
setb status.1
reti
two_second_delay:
push 07h
push acc
push b
mov a,#0a3h
mov b,#1eh
two_second_delay_timer:
mov r7,#0ffh
two_second_delay_onemil:
nop
nop
nop
nop
djnz r7,two_second_delay_onemil
nop
nop
dec a
cjne a,#0ffh,two_second_delay_noroll
dec b
two_second_delay_noroll:
cjne a,#00h,two_second_delay_timer
cjne a,b,two_second_delay_timer
pop b
pop acc
pop 07h
ret
thanks