NEC单片机 UPD78F9234 16位定时器使用例程(汇编)

NEC单片机 UPD78F9234 16位定时器使用例程(汇编)
;*************************************************
; Lable def
;*************************************************
LED8_MODE    EQU        PM2.1
LED7_MODE    EQU        PM2.0
LED6_MODE    EQU        PM12.0
LED5_MODE    EQU        PM0.3
LED4_MODE    EQU        PM0.2
LED3_MODE    EQU        PM0.1
LED2_MODE    EQU        PM0.0
LED1_MODE    EQU        PM12.3
LED8    EQU        P2.1
LED7    EQU        P2.0
LED6    EQU        P12.0
LED5    EQU     P0.3
LED4    EQU        P0.2
LED3    EQU        P0.1
LED2    EQU        P0.0
LED1    EQU        P12.3

;=========================(debug  resource)======================================={
;*************************************************
; VAR DEF
;*************************************************

DATA_SEGMENT1  DSEG  SADDR      ;  (AT 0FE20H)

VAR_1:   DS  1

ORG 018H
DB 0FFH,0FFH;
ORG 07EH
DB 0FFH,0FFH;

ORG 81H
DB 0FFH;

ORG    01ED0H
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
;=================================================================================

;*************************************************
;INTERRUPT VECT
;*************************************************

ORG 0000H
DW   START_PROGRAM

ORG 000EH
DW   INTTM000_VECT

;*************************************************
;CODE
;*************************************************
     CSEG   ;(AT  XXXXH)
   
START_PROGRAM:

DI
MOVW AX,#0FE20H;
MOVW SP,AX;

MOV PCC,#00H;
MOV PPCC,#00H;

CALL  !DELAY_1MS;
CALL  !DELAY_1MS;
CALL  !DELAY_1MS;
CALL  !DELAY_1MS;
CALL  !DELAY_1MS;

MOV PMC2,#00H
MOV PM2,#0FFH

; SET TM00
MOV TMC00,#00H

MOV PRM00,#02H    ;31.25KHz    32us

MOVW AX,#31250;9800    ;313.6ms    15625
MOVW CR000,AX

CLR1 TMIF000    ;clear sign
CLR1 TMMK000    ;allow interrupt

MOV TMC00,#0CH    ;clear the CR000 when TM00=CR000

EI

CLR1  LED1_MODE
CLR1  LED2_MODE
CLR1  LED3_MODE
CLR1  LED4_MODE
CLR1  LED5_MODE
CLR1  LED6_MODE
CLR1  LED7_MODE
CLR1  LED8_MODE

SET1    LED1
SET1    LED2
SET1    LED3
SET1    LED4
SET1    LED5
SET1    LED6
SET1    LED7
SET1    LED8

CLR1  LED1

MAIN:

MOV WDTE,#0ACH;

BR   !MAIN

;*************************************************
; SUB PROGRAM
;*************************************************
CSEG
DELAY_1MS:

     MOV  B,#0FFH
BBBB:
     DBNZ B,$BBBB;
RET

;*************************************************
;INTERRUPT FUNCTION
;*************************************************
CSEG
INTTM000_VECT:

BT   LED1,$LED22    ;jump if LED1=1
SET1    LED1
CLR1    LED2
BR        !backtrack

LED22:
BT    LED2,$LED33
SET1    LED2
CLR1    LED3
BR        !backtrack

LED33:
BT    LED3,$LED44
SET1    LED3
CLR1    LED4
BR        !backtrack

LED44:
BT    LED4,$LED55
SET1    LED4
CLR1    LED5
BR        !backtrack

LED55:
BT    LED5,$LED66
SET1    LED5
CLR1    LED6
BR        !backtrack

LED66:
BT    LED6,$LED77
SET1    LED6
CLR1    LED7
BR        !backtrack

LED77:
BT    LED7,$LED88
SET1    LED7
CLR1    LED8
BR        !backtrack

LED88:
BT    LED8,$INTTM000_VECT
SET1    LED8
CLR1    LED1
BR        !backtrack

backtrack:

RETI

END