mirror of
https://github.com/cc65/cc65.git
synced 2024-06-01 13:41:34 +00:00
106 lines
3.2 KiB
C
106 lines
3.2 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_WHITE 0x0F
|
|
|
|
/* TGI color defines (default palette) */
|
|
#define TGI_COLOR_BLACK COLOR_BLACK
|
|
#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
|
|
|
|
#include <_tia.h>
|
|
#define TIA (*(struct __tia*)0x0000)
|
|
|
|
#include <_riot.h>
|
|
#define RIOT (*(struct __riot*)0x0280)
|
|
|
|
#include <_maria.h>
|
|
#define MARIA (*(struct __maria*)0x0020)
|
|
|
|
/*
|
|
* Alternative MARIA register definitions.
|
|
*/
|
|
#define BKGRND MARIA.bkgrnd
|
|
#define BACKGRND MARIA.bkgrnd
|
|
#define P0C1 MARIA.p0c1
|
|
#define P0C2 MARIA.p0c2
|
|
#define P0C3 MARIA.p0c3
|
|
#define WSYNC MARIA.wsync
|
|
#define P1C1 MARIA.p1c1
|
|
#define P1C2 MARIA.p1c2
|
|
#define P1C3 MARIA.p1c3
|
|
#define MSTAT MARIA.mstat
|
|
#define P2C1 MARIA.p2c1
|
|
#define P2C2 MARIA.p2c2
|
|
#define P2C3 MARIA.p2c3
|
|
#define DPPH MARIA.dpph
|
|
#define DPH MARIA.dpph
|
|
#define P3C1 MARIA.p3c1
|
|
#define P3C2 MARIA.p3c2
|
|
#define P3C3 MARIA.p3c3
|
|
#define DPPL MARIA.dppl
|
|
#define DPL MARIA.dppl
|
|
#define P4C1 MARIA.p4c1
|
|
#define P4C2 MARIA.p4c2
|
|
#define P4C3 MARIA.p4c3
|
|
#define CHBASE MARIA.chbase
|
|
#define P5C1 MARIA.p5c1
|
|
#define P5C2 MARIA.p5c2
|
|
#define P5C3 MARIA.p5c3
|
|
#define OFFSET MARIA.offset
|
|
#define P6C1 MARIA.p6c1
|
|
#define P6C2 MARIA.p6c2
|
|
#define P6C3 MARIA.p6c3
|
|
#define CTRL MARIA.ctrl
|
|
#define P7C1 MARIA.p7c1
|
|
#define P7C2 MARIA.p7c2
|
|
#define P7C3 MARIA.p7c3
|
|
|
|
/*
|
|
* MSTAT register constants
|
|
*/
|
|
#define MSTAT_VBLANK 0x80 /* vblank is on when bit 7 is set */
|
|
|
|
/* End of atari7800.h */
|
|
#endif
|