NEC 78K0S/KB1+ User Manual page 312

MOV
MOV
MOV
HALT
MOV
CMP
BNZ
<R> MOV
ModeOffLoop:
MOV
MOV
MOV
MOV
MOV
BT
<R>
MOV
MOV
EI
BR
;---------------------------------------------------------------------
;END (abnormal termination processing); Perform processing to shift to
normal mode in order to return to normal processing
;---------------------------------------------------------------------
StatusError:
;---------------------------------------------------------------------
;END (normal termination processing)
;---------------------------------------------------------------------
StatusNormal:
312
CHAPTER 19 FLASH MEMORY
FLAPHC,#07H ; Sets blank check block compare number (same value as of
; FLAPH)
FLAPLC,#0FFH ; Fixes FLAPLC to "FFH"
WDTE,#0ACH ; Clears & restarts WDT
; Self programming is started
A,PFS
A,#00H
$StatusError ; Checks blank check error
; Performs abnormal termination processing when an error
; occurs
FLCMD,#00H ; Clears FLCMD register
PFS,#00H ; Clears flash status register
PFCMD,#0A5H ; PFCMD register control
FLPMC,#00H ; FLPMC register control (sets value)
FLPMC,#0FFH ; FLPMC register control (inverts set value)
FLPMC,#00H ; Sets normal mode via FLPMC register control (sets value)
PFS.0,$ModeOffLoop ; Checks completion of write to specific registers
; Repeats the same processing when an error occurs
; Restore the CPU clock to its setting before the self
; programming, after normal completion of the specific
; sequence
MK0,#INT_MK0 ; Restores interrupt mask flag
MK1,#INT_MK1
StatusNormal
User's Manual U17446EJ3V1UD