i have this code for sle4442 psc verification with 11.059mhz crystal clock but cards locked.can anybody help me?

the assembly 51 code.:
CMPVD: MOV r0, #1
MOV @r0, #31H
LCALL TRBYTES
MOV r0, #1
MOV r2, #4
LCALL RCBYTES; READ EC note:READ 4
MOV r0, #1
MOV a, @R0
ANL a, #07H
JNZ permit
MOV R3,#1
LCALL LOCKEDCARD

RET
PERMIT:
JNB acc.0, WR0A
CLR acc.0
SJMP wr0c
WR0A: JNB acc.1, WR0B
CLR acc.1
SJMP wr0c
WR0B: CLR acc.2
WR0C: MOV r0, #1 ; ---------------------
MOV @r0, #39H
INC r0
MOV @r0, #0
INC r0
MOV @r0, a
MOV r0, #1
LCALL TRBYTES
LCALL process; UPDATA EC

MOV r0, #1 ; --------------------------
MOV @r0, #33H
INC r0
MOV @r0, #1
INC r0
MOV a, #0ffh
MOV @R0,A
;MOV @r0, 0ffH
MOV r0, #1
LCALL TRBYTES
LCALL process; COMPARE FIRST

MOV r0, #1; -------------
MOV @r0, #33H
INC r0
MOV @r0, #2
INC r0
;INC r1
MOV a, #0ffh
MOV @R0,A
;MOV @r0, 0ffH
MOV r0, #1
LCALL TRBYTES
LCALL process; COMPARE SECOND

MOV r0, #1; --------------
MOV @r0, #33H
INC r0
MOV @r0, #3
INC r0
;INC r1
;MOV @r0, 0ffH
MOV a, #0ffh
MOV @R0,A
MOV r0, #1
LCALL TRBYTES; COMPARE THIRD
LCALL process; ---------------------------

MOV r0, #1
MOV @r0, #39H
INC r0
MOV @r0, #0
INC r0
MOV @r0, #07H
MOV r0, #1
LCALL TRBYTES
LCALL process; UPDATA EC

; MOV r0, #1; ------------------
; MOV @r0, #39H
; INC r0
; MOV @r0, #1
; INC r0
; MOV @r0, #00H
; MOV r0, #1
; LCALL TRbytes
; LCALL process; UPDATA THE FIRST BYTE OF PSC

MOV R0,#1 ;------------------
MOV @R0,#31H
LCALL trbytes
MOV R0,#1
MOV R2,#4
LCALL RCbytes ;READ EC
MOV R0,#1
MOV A,@R0
ANL a, #7
CJNE a, #7,CMPFAIL
MOV r3, #0
;lcall ok
RET
;--------------------------------
CMPFAIL:
LCALL ERROR
MOV R3,#1
;lcall ChK_CARD
ret