startup.as

来自「PIC16F877入门程序和仿真原理图」· AS 代码 · 共 121 行

	; HI-TECH C PRO for the PIC10/12/16 MCU family V9.65
	; Copyright (C) 1984-2009 HI-TECH Software
	;Licensed for evaluation purposes only.
	;This licence will expire on Fri, 22 May 2009

	; Auto-generated runtime startup code for final link stage.

	;
	; Compiler options:
	;
	; -Elesson1.lde E:\PIC\lesson1\lesson1.obj -Q -MPLAB --chip=16F877A \
	; -Olesson1.cof -Olesson1.hex
	;


	processor	16F877A

	global	_main,start,_exit,reset_vec
	fnroot	_main
	psect	config,class=CONFIG,delta=2
	psect	idloc,class=IDLOC,delta=2
	psect	rbss_0,class=BANK0,space=1
	psect	rbss_1,class=BANK1,space=1
	psect	rbss_2,class=BANK2,space=1
	psect	rbss_3,class=BANK3,space=1
	psect	rdata_0,class=BANK0,space=1
	psect	rdata_1,class=BANK1,space=1
	psect	rdata_2,class=BANK2,space=1
	psect	rdata_3,class=BANK3,space=1
	psect	nvram,class=BANK0,space=1
	psect	nvram_1,class=BANK1,space=1
	psect	nvram_2,class=BANK2,space=1
	psect	nvram_3,class=BANK3,space=1
	psect	nvbit_0,class=BANK0,bit,space=1
	psect	nvbit_1,class=BANK1,bit,space=1
	psect	nvbit_2,class=BANK2,bit,space=1
	psect	nvbit_3,class=BANK3,bit,space=1
	psect	temp,ovrld,class=BANK0,space=1
	psect	struct,ovrld,class=BANK0,space=1
	psect	code,class=CODE,delta=2
	psect	rbit_0,class=BANK0,bit,space=1
	psect	ptbit_0,class=BANK0,bit,space=1
	psect	rbit_1,class=BANK1,bit,space=1
	psect	rbit_2,class=BANK2,bit,space=1
	psect	rbit_3,class=BANK3,bit,space=1
	psect	pstrings,class=CODE,delta=2
	psect	powerup,class=CODE,delta=2
	psect	reset_vec,class=CODE,delta=2
	psect	maintext,class=CODE,delta=2
	C	set	0
	Z	set	2
	PCL	set	2
	INDF	set	0

	psect	fnautoc,class=COMMON,space=1
	psect	common,class=COMMON,space=1
	psect	fnauto0,class=BANK0,space=1
	psect	fnauto1,class=BANK1,space=1
	psect	fnauto2,class=BANK2,space=1
	psect	fnauto3,class=BANK3,space=1
	STATUS	equ	3
	PCLATH	equ	0Ah

	psect	eeprom_data,class=EEDATA,delta=2,space=2
	psect	idata,class=CODE,delta=2
	psect	idata_0,class=CODE,delta=2
	psect	idata_1,class=CODE,delta=2
	psect	idata_2,class=CODE,delta=2
	psect	idata_3,class=CODE,delta=2
	psect	intcode,class=CODE,delta=2
	psect	intret,class=CODE,delta=2
	psect	intentry,class=CODE,delta=2
	global	intlevel0,intlevel1,intlevel2, intlevel3, intlevel4, intlevel5
intlevel0:
intlevel1:
intlevel2:
intlevel3:
intlevel4:
intlevel5:
	psect	intsave,class=BANK0,space=1
	psect	intsave_1,class=BANK1,space=1
	psect	intsave_2,class=BANK2,space=1
	psect	intsave_3,class=BANK3,space=1
	psect	init,class=CODE,delta=2
	psect	init23,class=CODE,delta=2
	psect	text,class=CODE,delta=2
	psect	end_init,class=CODE,delta=2
	psect	clrtext,class=CODE,delta=2
	psect	float_text0,class=CODE,delta=2,size=2048
	psect	float_text1,class=CODE,delta=2,size=2048
	psect	float_text2,class=CODE,delta=2,size=2048
	psect	float_text3,class=CODE,delta=2,size=2048
	psect	float_text4,class=CODE,delta=2,size=2048
	FSR	set	4
	psect	strings,class=CODE,delta=2,reloc=256

	psect	reset_vec
reset_vec:
	; No powerup routine
	; No interrupt routine


	psect	init
start
_exit

;-------------------------------------------------------------------------------
;		Clear (zero) uninitialized global variables

;	No RAM objects to clear in bank 0
;	No RAM objects to clear in bank 1
;	No RAM objects to clear in bank 2
;	No RAM objects to clear in bank 3
;	No RAM objects to clear in common bank

;-------------------------------------------------------------------------------
	psect	end_init
	ljmp _main
	end	start