89 lines
3 KiB
C
89 lines
3 KiB
C
/*
|
|
* Copyright (c) 2007, Takahide Matsutsuka.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $Id: libconio_arch.h,v 1.2 2007/09/09 13:41:50 matsutsuka Exp $
|
|
*
|
|
*/
|
|
/*
|
|
* \file
|
|
* Arcitecture-depend libconio module, which supposes
|
|
* the machine has character VRAM and optional attribute VRAM
|
|
* on the main memory.
|
|
* \author
|
|
* Takahide Matsutsuka <markn@markn.org>
|
|
*/
|
|
|
|
#ifndef __LIBCONIO_ARCH_H__
|
|
#define __LIBCONIO_ARCH_H__
|
|
|
|
#ifndef LIBCONIO_VRAM_CHAR
|
|
#error "must specify vram address for characters!"
|
|
#endif /* LIBCONIO_VRAM_CHAR */
|
|
|
|
#ifdef LIBCONIO_CONF_ATTRIBUTES_ENABLED
|
|
#ifndef LIBCONIO_VRAM_ATTR
|
|
#error "must specify vram address for attributes!"
|
|
#endif /* LIBCONIO_VRAM_ATTR */
|
|
#endif /* LIBCONIO_CONF_ATTRIBUTES_ENABLED */
|
|
|
|
#ifndef LIBCONIO_CONF_SCREEN_WIDTH
|
|
#define LIBCONIO_CONF_SCREEN_WIDTH 32
|
|
#endif /* LIBCONIO_CONF_SCREEN_WIDTH */
|
|
|
|
#ifndef LIBCONIO_CONF_SCREEN_HEIGHT
|
|
#define LIBCONIO_CONF_SCREEN_HEIGHT 16
|
|
#endif /* LIBCONIO_CONF_SCREEN_HEIGHT */
|
|
|
|
#ifndef LIBCONIO_COLOR_REVERSED
|
|
#define LIBCONIO_COLOR_REVERSED 0x21
|
|
#endif /* LIBCONIO_COLOR_REVERSED */
|
|
|
|
#ifndef LIBCONIO_COLOR_NORMAL
|
|
#define LIBCONIO_COLOR_NORMAL 0x20
|
|
#endif /* LIBCONIO_COLOR_NORMAL */
|
|
|
|
/*
|
|
* An offset caluclation logic.
|
|
* The default supposes the VRAM is sequential
|
|
*/
|
|
#ifndef LIBCONIO_VRAM_OFFSET
|
|
#define LIBCONIO_VRAM_OFFSET(x, y) (y) * LIBCONIO_CONF_SCREEN_WIDTH + (x)
|
|
#endif /* VRAM_OFFSET */
|
|
|
|
/*
|
|
* A maximum offset + 1.
|
|
* If offset is equal or more than this maximum, the screen will scroll.
|
|
*/
|
|
#ifndef LIBCONIO_VRAM_OFFSET_MAX
|
|
#define LIBCONIO_VRAM_OFFSET_MAX \
|
|
(LIBCONIO_CONF_SCREEN_HEIGHT * LIBCONIO_CONF_SCREEN_WIDTH)
|
|
#endif /* VRAM_MAX */
|
|
|
|
#endif /* __LIBCONIO_ARCH_H__ */
|