c128.h

6502 c compiler free open source

/*****************************************************************************/
/*                                                                           */
/*				    c128.h				     */
/*                                                                           */
/*		       C128 system specific definitions			     */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 1998-2003 Ullrich von Bassewitz                                       */
/*               R鰉erstra遝 52                                              */
/*               D-70794 Filderstadt                                         */
/* EMail:        [e-mail]                                                 */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/



#ifndef _C128_H
#define _C128_H



/* Check for errors */
#if !defined(__C128__)
#  error This module may only be used when compiling for the C128!
#endif



/* Additional key defines */
#define CH_F1			133
#define CH_F2			137
#define CH_F3			134
#define CH_F4			138
#define CH_F5			135
#define CH_F6			139
#define CH_F7			136
#define CH_F8			140



/* Color defines */
#define COLOR_BLACK  	       	0x00
#define COLOR_WHITE  	       	0x01
#define COLOR_RED    	       	0x02
#define COLOR_CYAN      	0x03
#define COLOR_VIOLET 	       	0x04
#define COLOR_GREEN  	       	0x05
#define COLOR_BLUE   	       	0x06
#define COLOR_YELLOW 	       	0x07
#define COLOR_ORANGE 	       	0x08
#define COLOR_BROWN  	       	0x09
#define COLOR_LIGHTRED       	0x0A
#define COLOR_GRAY1  	       	0x0B
#define COLOR_GRAY2  	       	0x0C
#define COLOR_LIGHTGREEN     	0x0D
#define COLOR_LIGHTBLUE      	0x0E
#define COLOR_GRAY3  	       	0x0F



/* Define hardware */
#include <_vic2.h>
#define VIC    	(*(struct __vic2*)0xD000)

#include <_sid.h>
#define	SID	(*(struct __sid*)0xD400)

#include <_vdc.h>
#define VDC     (*(struct __vdc*)0xD600)

#include <_6526.h>
#define CIA1	(*(struct __6526*)0xDC00)
#define CIA2	(*(struct __6526*)0xDD00)



/* Define special memory areas */
#define COLOR_RAM	((unsigned char*)0xD800)



void toggle_videomode (void);
/* Toggle the video mode between 40 and 80 chars (calls SWAPPER) */

void c64mode (void);
/* Switch the C128 into C64 mode. Note: This function will not return! */

void fast (void);
/* Switch the CPU into 2MHz mode. Note: This will disable video when in
 * 40 column mode.
 */

void slow (void);
/* Switch the CPU into 1MHz mode. */



/* End of c128.h */
#endif