crtclear.asm

sdcc是为51等小型嵌入式cpu设计的c语言编译器支持数种不同类型的cpu

; /*-------------------------------------------------------------------------
;
;   crtclear.asm :- C run-time: clear DATA/IDATA
;
;    This library is free software; you can redistribute it and/or modify it
;    under the terms of the GNU Library General Public License as published by the
;    Free Software Foundation; either version 2, or (at your option) any
;    later version.
;
;    This library 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 Library General Public License for more details.
;
;    You should have received a copy of the GNU Library General Public License
;    along with this program; if not, write to the Free Software
;    Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
;
;    In other words, you are welcome to use, share and improve this program.
;    You are forbidden to forbid anyone else to use, share and improve
;    what you give them.   Help stamp out software-hoarding!
; -------------------------------------------------------------------------*/

	.area CSEG    (CODE)
	.area GSINIT0 (CODE)
	.area GSINIT1 (CODE)
	.area GSINIT2 (CODE)
	.area GSINIT3 (CODE)
	.area GSINIT4 (CODE)
	.area GSINIT5 (CODE)
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)

	.area GSINIT4 (CODE)

__mcs51_genRAMCLEAR::
	clr	a
	mov	r0,#(l_IRAM-1)
00005$:	mov	@r0,a
	djnz	r0,00005$
;	_mcs51_genRAMCLEAR() end