Help:serial interrupt can't work (assembly)

[jamesa]

please help me check which part of my code got wrong??
and why my serial intterupt can't work ??
thx

ORG 0000H
LJMP MAIN
;====================================
;INT INTERRUPT
;====================================
ORG 0013H
CJNE R2, #14,KK1
CLR P2.1
RETI
KK1: RETI

ORG 0023H
LJMP SERIAL
;============================
;MAIN ROUTINE
;============================
ORG 30H
MAIN: MOV P1, #0FFH
MOV P0, #000H
CLR P2.1
CLR P2.2
MOV R2, #0
MOV R3, #0

MOV TMOD, #20H
MOV TH1, #-24
MOV SCON, #50H
MOV IE, #10010100B
SETB R1

B1: JB P1.1, B2
CLR P2.1
LCALL DELAY
CLR P2.2
SJMP B1

B2: JB P1.2, M1
SETB P2.2
LCALL DELAY
LJMP B1

M1: JNB P3.3 B1
INC R2
INC R3
MOV A,R3
MOV SBUF,A
LJMP B1

;==========================
;SERIAL INTERRUPT
;=========================
ORG 100H
SERIAL: JB TI,MM2
MOV A,SBUF

POW1: CJNE A,#41H,POW2
SETB P2.1
LCALL DELAY
LJMP MM1

POW2: CJNE A,#42H,CW
CLR P2.1
LCALL DELAY
LJMP MM1

CW: CJNE A,#43H,CWW
SETB P2.2
LCALL DELAY
LJMP MM1

CWW: CLR P2.2
LCALL DELAY
LJMP MM1

MM1: CLR RI
RETI

MM2: CLR TI
RETI



DELAY: MOV R5,#250
LOOP:
NOP
NOP
NOP
DJNZ R5,LOOP

RET
END

 

[budhy]

You haven't enable the interrupt mechanism

     SETB EA
     SETB ES

 

[~E3016~]

You haven't enable the interrupt mechanism

     SETB EA
     SETB ES

I think jamesa have do it with the syntax

MOV IE, #10010100B

jamesa, you should check the syntax

SETB R1 ( it is byte not bit)

and also

M1: JNB P3.3 B1

the comma is forgotten