1 ; Copyright (C) 2008-2009
2 ; Philipp Klaus Krause, Marco Bodrato
4 ; This file is part of the sdcc Library. This library is free
5 ; software; you can redistribute it and/or modify it under the
6 ; terms of the GNU General Public License as published by the
7 ; Free Software Foundation; either version 2, or (at your option)
10 ; This library is distributed in the hope that it will be useful,
11 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ; GNU General Public License for more details.
15 ; You should have received a copy of the GNU General Public License along
16 ; with this library; see the file COPYING. If not, write to the Free
17 ; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
20 ; As a special exception, you may use this file as part of a free software
21 ; library without restriction. Specifically, if other files instantiate
22 ; templates or use macros or inline functions from this file, or you compile
23 ; this file and link it with other files to produce an executable, this
24 ; file does not by itself cause the resulting executable to be covered by
25 ; the GNU General Public License. This exception does not however
26 ; invalidate any other reasons why the executable file might be covered by
27 ; the GNU General Public License.
33 ; The Z80 has the ldir and lddr instructions, which are perfect for implementing memmove().
48 sbc hl, de ; or above cleared carry.
49 add hl, de ; same carry as the line before