Find the time delay in secs $($Excluding overhead due to instructions in the loop$)$:

MOV TMOD, #$10$H

MOV R$3,$ #$200$

AGAIN: MOV TL$1,$ #$08$H

MOV TH$1,$ #$01$H

SETB TR$1$

BACK: JNB TF$1,$ BACK

CLR TR$1$

CLR TF$1$

DJNZ R$3,$ AGAIN