/usr/share/z88dk/include/sms.h is in z88dk-data 1.8.ds1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Sega Master System
*
* $Id: sms.h,v 1.2 2007/06/02 22:33:59 dom Exp $
*/
#ifndef __SMS_H__
#define __SMS_H__
#define VDP_REG_FLAGS0 0x80
// Screen sync off
#define VDP_REG_FLAGS0_SYNC 0x01
// Normal or enable stretch screen
#define VDP_REG_FLAGS0_STRETCH 0x02
// Causes graphics change (related to screen addr?)
#define VDP_REG_FLAGS0_CHANGE 0x04
// Shift sprites left by 1 character
#define VDP_REG_FLAGS0_SHIFT 0x08
// Horizontal interupts enable
#define VDP_REG_FLAGS0_HINT 0x10
// Display extra column on LHS of screen
#define VDP_REG_FLAGS0_LHS 0x20
// Top 2 rows of screen horizontal non-scrolling
#define VDP_REG_FLAGS0_LOCKTOP 0x40
// Right side of screen vertical non-scrolling
#define VDP_REG_FLAGS0_LOCKRIGHT 0x80
#define VDP_REG_FLAGS1 0x81
// Double sized pixels in sprites
#define VDP_REG_FLAGS1_DOUBLE 0x01
// 8x16 sprites
#define VDP_REG_FLAGS1_8x16 0x02
// 0?
#define VDP_REG_FLAGS1_BIT2 0x04
// Stretch screen by 6 rows
#define VDP_REG_FLAGS1_STRETCH6 0x08
// Stretch screen by 4 rows
#define VDP_REG_FLAGS1_STRETCH4 0x10
// Vertical interrupts enable
#define VDP_REG_FLAGS1_VINT 0x20
// Screen enable
#define VDP_REG_FLAGS1_SCREEN 0x40
// 0?
#define VDP_REG_FLAGS1_BIT7 0x80
#define VDP_REG_HINT_COUNTER 0x8A
// Bkg tile appears in front of the sprites
#define BKG_ATTR_PRIO 0x1000
// Bkg tile uses sprite palette
#define BKG_ATTR_SPRPAL 0x0800
// Bkg tile is vertically flipped
#define BKG_ATTR_VFLIP 0x0400
// Bkg tile is horizontally flipped
#define BKG_ATTR_HFLIP 0x0200
// Bkg tile uses the second tileset
#define BKG_ATTR_2NDTILESET 0x0100
#define JOY_UP 0x01
#define JOY_DOWN 0x02
#define JOY_LEFT 0x04
#define JOY_RIGHT 0x08
#define JOY_FIREA 0x10
#define JOY_FIREB 0x20
typedef char INT8;
typedef unsigned char UINT8;
typedef int INT16;
typedef unsigned int UINT16;
typedef long INT32;
typedef unsigned long UINT32;
typedef INT8 BYTE;
typedef UINT8 UBYTE;
typedef INT16 WORD;
typedef UINT16 UWORD;
typedef INT32 LWORD;
typedef UINT32 ULWORD;
typedef INT32 DWORD;
typedef UINT32 UDWORD;
#ifndef NULL
#define NULL 0
#endif
#ifndef FALSE
#define FALSE 0
#define TRUE 1
#endif
/* Useful definition for fixed point values */
typedef union _fixed {
struct {
UBYTE l;
UBYTE h;
} b;
UWORD w;
} fixed;
extern void __LIB__ load_palette(unsigned char *data, int index, int count);
extern void __LIB__ load_tiles(unsigned char *data, int index, int count, int bpp);
extern void __LIB__ set_bkg_map(unsigned int *data, int x, int y, int w, int h);
extern void __LIB__ scroll_bkg(int x, int y);
extern int __LIB__ get_vcount();
extern int __LIB__ wait_vblank_noint();
extern void __LIB__ set_sprite(int n, int x, int y, int tile);
extern int __LIB__ read_joypad1();
extern int __LIB__ read_joypad2();
extern void __LIB__ set_vdp_reg(int reg, int value);
extern void __LIB__ gotoxy(int x, int y);
extern void __LIB__ aplib_depack(unsigned char *src, unsigned char *dest);
extern void __LIB__ add_raster_int(void *ptr);
extern void __LIB__ add_pause_int(void *ptr);
extern void __LIB__ set_sound_freq(int channel, int freq);
extern void __LIB__ set_sound_volume(int channel, int volume);
extern void __LIB__ standard_font(); /* Actually data *not* a function */
extern unsigned char pause_flag;
#endif
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