gsm controlled robot car

[osamarizwan]

hi guys i am working on a project"gsm controlled robot car" on at89s52 and here is the program

org 0010h
mov p1,#0000h ;Make P1 as i/p port
mov p2,#0000h
L1: mov a,p1
cjne a,#0b0h,L2 ;DTMF o/p=2
mov p2,#08ah ; M1 & M2 both forward
ljmp L1
L2: cjne a,#0e0h,L3 ;DTMF o/p=8
mov p2,#85h ;M1 & M2 both reverse
ljmp L1
L3: cjne a,#50h,L4 ;DTMF o/p=5
mov p2,#80h ;M1 & M2 both off
ljmp L1
L4: cjne a,#0d0h,L5 ;DTMF o/p=4
mov p2,#86h ;M1 --reverse, M2--forward
ljmp L1
L5: cjne a,#90h,L1 ;DTMF o/p=6
mov p2,#89h ;M1 --forward, M2--resverse
ljmp L1
end

but i dont know why is it not working .it is working on protues but i think my mt8870 dtmf decoder is not working can any one help me in this
here is the diagram
View attachment 64651

 

[mib348]

hi can i have complete data of your project............i also want to try this project...........And i m also looking for my final project.
thanx in advance

 

[meowth08]

      org 0010h 
      mov p1,#0000h               ;Make P1 as i/p port 
      mov p2,#0000h

L1:  mov a,p1 
      cjne a,#0b0h,L2              ;DTMF o/p=2 
      mov p2,#08ah                 ; M1 & M2 both forward 
      ljmp L1  

L2:  cjne a,#0e0h,L3              ;DTMF o/p=8 
      mov p2,#85h                  ;M1 & M2 both reverse 
      ljmp L1
L3: cjne a,#50h,L4                ;DTMF o/p=5 
      mov p2,#80h                  ;M1 & M2 both off 
      ljmp L1 

L4:  cjne a,#0d0h,L5             ;DTMF o/p=4 
      mov p2,#86h                 ;M1 --reverse, M2--forward 
      ljmp L1 

L5:  cjne a,#90h,L1              ;DTMF o/p=6 
      mov p2,#89h                 ;M1 --forward, M2--resverse 
      ljmp L1 
      end

Hi,
Use the "#" posting your codes. This will be helpful in maintaining spacing.

 

[BioniC187]

This was posted sometime ago. I wonder if he had any luck figuring out why it was not working