NEC 78K0S/KA1+ User Manual page 304

MOV FLAPHC,#07H
MOV FLAPLC,#0FFH
MOV WDTE,#0ACH
HALT
MOV A,PFS
CMP A,#00H
BNZ $StatusError
ModeOffLoop:
MOV PFS,#00H
MOV PFCMD,#0A5H
MOV FLPMC,#00H
MOV FLPMC,#0FFH
MOV FLPMC,#00H
MOV A,PFS
CMP A,#00H
BNZ $ModeOffLoop
MOV MK0,#INT_MK0
MOV MK1,#INT_MK1
EI
BR StatusNormal
;---------------------------------------------------------------------
;END (abnormal termination processing); Perform processing to shift to
normal mode in order to return to normal processing
;---------------------------------------------------------------------
StatusError:
;---------------------------------------------------------------------
;END (normal termination processing)
;---------------------------------------------------------------------
StatusNormal:
304
CHAPTER 18 FLASH MEMORY
; Sets blank check block compare number (same value as of
; FLAPH)
; Fixes FLAPLC to "FFH"
; Clears & restarts WDT
; Self programming is started
; Checks blank check error
; Performs abnormal termination processing when an error
; occurs.
; Clears flash status register
; PFCMD register control
; FLPMC register control (sets value)
; FLPMC register control (inverts set value)
; Sets normal mode via FLPMC register control (sets value)
; Checks completion of write to specific registers
; Repeats the same processing when an error occurs
; Restores interrupt mask flag
User's Manual U16898EJ3V0UD