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📄 off.asm

📁 一款MP3 Player Firmware 的原代码,非常有参考价值
💻 ASM
字号:
; MP3 Player, Turn Off Power, http://www.pjrc.com/tech/mp3; Copyright (c) 2000, PJRC.COM, LLC; This program is free software; you can redistribute it and/or; modify it under the terms of the GNU General Public License; as published by the Free Software Foundation; either version 2; of the License, or (at your option) any later version.; This program is distributed in the hope that it will be useful,; but WITHOUT ANY WARRANTY; without even the implied warranty of; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the; GNU General Public License for more details.; You should have received a copy of the GNU General Public License; along with this program; if not, write to the Free Software; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA..equ    location, 0xFD00        ;where this program will exist.equ    pstr, 0x0038            ;Print string pointed to by DPTR,.equ	call_bank1, 0x0FE0.equ	shutdown, 0x3000 + 70.org    location.db     0xA5,0xE5,0xE0,0xA5     ;signiture bytes.db     254,'Q',0,0             ;id.db     0,0,0,0                 ;reserved.db     0,0,0,0                 ;reserved.db     0,0,0,0                 ;reserved.db     0,0,0,0                 ;reserved.db     0,0,0,0                 ;user defined.db     255,255,255,255         ;length and checksum (255=unused).db     "Quit, Shut Off Power",0.org    location+64             ;executable code begins herebegin:	mov	dptr, #shutdown	lcall	call_bank1	ret

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