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NO ERROR DISPLAYED, BUT THE ANSWER NOT OBTAINED

chandra Sekaran

HI ERIK AND DHAVAL SOLANKI

PLEASE CLARIFY ME THE MISTAKE I VE DONE HERE, THIS THE PROGRAM TO INTERFACE FOUR SEVENSEGMENT LEDS (MULTIPLEXING), IN THIS PROGRAM THE DATA WHICH IS STORED IN 90H,91H,92H,93H ARE NOT DISPLAYED IN PORT P1. PLEASE GIVE ME YOUR SUGGESTION, NO ERROR DISPLAYED BUT THE ANSWER IS NOT OBTAINED

;COUNTER PROGRAM
                        ORG 0000H
                        LJMP MAIN
;-------------------------------------
                        ORG 000BH
                        LJMP T_I_CALC
;-------------------------------------
MAIN:           MOV R2,#0
                        MOV R3,#0
                        MOV R4,#0
                        MOV R5,#0
                        MOV TMOD,#00000001B
                        MOV TL0,#00H
                        MOV TH0,#0FFH
                        MOV IE,#10000010B
                        SETB TR0
;-------------------------------------
L1:                     MOV P2,#11110111B
                        MOV R0,93H
                        MOV P1,@R0
                        MOV P2,#11111011B
                        MOV R0,92H
                        MOV P1,@R0
                        MOV P2,#11111101B
                        MOV R0,91H
                        MOV P1,@R0
                        MOV P2,#11111110B
                        MOV R0,90H
                        MOV P1,@R0
;                       MOV R6,#0FFH
;L10:           MOV R7,#0FFH
;L9:                    DJNZ R7,L9
;                       DJNZ R6,L10
                        SJMP L1
;--------------------------------------
T_I_CALC:       CLR TF0
                        CLR TR0
                        CLR A
                        MOV A,R2
                        MOV DPTR,#DAT
                        MOVC A,@A+DPTR
                        MOV 90H,A
                        INC R2
                        CJNE R2,#10,L4
L4:                     JC L5
                        MOV  R2,#0
                        CLR A
                        MOV A,R3
                        MOVC A,@A+DPTR
                        MOV 91H,A
                        INC R3
                        CJNE R3,#10,L6
L6:                     JC L5
                        MOV R3,#0
                        CLR A
                        MOV A, R4
                        MOVC A,@A+DPTR
                        INC R4
                        MOV 92H,A
                        CJNE R4,#10,L7
L7:                     JC L5
                        MOV R4,#0
                        CLR A
                        MOV A,R5
                        MOVC A,@A+DPTR
                        INC R5
                        MOV 93H,A
                        CJNE R5,#10,L8
L8:                     JC L5
                        LJMP MAIN
;---------------------------------------
L5:                     MOV TL0,#000H
                        MOV TH0,#0FFH
                        SETB  TR0
                        RETI
;-----------------------------------------
DAT:            DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H
;-----------------------------------------
                        END
;-----------------------------------------

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