mirror of
https://github.com/cc65/cc65.git
synced 2024-12-25 02:29:52 +00:00
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* Atari VCS 7800 TIA & RIOT registers addresses */
|
|
/* */
|
|
/* Karri Kaksonen (karri@sipo.fi), 2022 */
|
|
/* */
|
|
/* */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
#ifndef _ATARI7800_H
|
|
#define _ATARI7800_H
|
|
|
|
/* Check for errors */
|
|
#if !defined(__ATARI7800__)
|
|
# error This module may only be used when compiling for the Atari 7800!
|
|
#endif
|
|
|
|
/*****************************************************************************/
|
|
/* Data */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
/* Color defines */
|
|
#define COLOR_BLACK 0x00
|
|
#define COLOR_GREY 0x01
|
|
#define COLOR_LIGHTGREY 0x02
|
|
#define COLOR_WHITE 0x03
|
|
|
|
/* TGI color defines (default palette) */
|
|
#define TGI_COLOR_BLACK COLOR_BLACK
|
|
#define TGI_COLOR_GREY COLOR_GREY
|
|
#define TGI_COLOR_LIGHTGREY COLOR_LIGHTGREY
|
|
#define TGI_COLOR_WHITE COLOR_WHITE
|
|
|
|
/* Masks for joy_read */
|
|
#define JOY_RIGHT_MASK 0x80
|
|
#define JOY_LEFT_MASK 0x40
|
|
#define JOY_DOWN_MASK 0x20
|
|
#define JOY_UP_MASK 0x10
|
|
#define JOY_BTN_1_MASK 0x01
|
|
#define JOY_BTN_2_MASK 0x02
|
|
|
|
#define JOY_BTN_A_MASK JOY_BTN_1_MASK
|
|
#define JOY_BTN_B_MASK JOY_BTN_2_MASK
|
|
|
|
#define JOY_BTN_A(v) ((v) & JOY_BTN_A_MASK)
|
|
#define JOY_BTN_B(v) ((v) & JOY_BTN_B_MASK)
|
|
|
|
/* No support for dynamically loadable drivers */
|
|
#define DYN_DRV 0
|
|
|
|
extern unsigned char get_tv(void); /* get TV system */
|
|
|
|
#include <_tia.h>
|
|
#define TIA (*(struct __tia*)0x0000)
|
|
|
|
#include <_riot.h>
|
|
#define RIOT (*(struct __riot*)0x0280)
|
|
|
|
#include <_maria.h>
|
|
#define MARIA (*(struct __maria*)0x0020)
|
|
|
|
/* End of atari7800.h */
|
|
#endif
|