Mercurial > sdl-ios-xcode
diff src/video/xbios/SDL_xbios_sb3.h @ 1040:c6ed27c7d47d
Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
author | Patrice Mandin <patmandin@gmail.com> |
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date | Tue, 22 Feb 2005 17:57:40 +0000 |
parents | |
children | d910939febfa |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/xbios/SDL_xbios_sb3.h Tue Feb 22 17:57:40 2005 +0000 @@ -0,0 +1,81 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2004 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@libsdl.org +*/ + +/* + ScreenBlaster 3 definitions + + Patrice Mandin +*/ + +#ifndef _SDL_xbios_sb3_h_ +#define _SDL_xbios_sb3_h_ + +/*--- Defines ---*/ + +#ifndef C_SCPN +#define C_SCPN 0x5343504EL +#endif + +#define SCPN_DEV_1BPP 0 +#define SCPN_DEV_2BPP 1 +#define SCPN_DEV_4BPP 2 +#define SCPN_DEV_8BPP 3 +#define SCPN_DEV_16BPP 4 + +extern const int SDL_XBIOS_scpn_planes_device[]; + +/*--- Types ---*/ + +typedef struct { + unsigned short virtual_width; /* Virtual screen width */ + unsigned short virtual_height; /* Virtual screen height */ + unsigned short visible_width; /* Visible width */ + unsigned short visible_height; /* Visible height */ + unsigned short h_pos; /* Horizontal position in virtual screen */ + unsigned short v_pos; /* Vertical position in virtual screen */ + unsigned short dummy; + unsigned long size; /* Size of screen in bytes */ + unsigned short device; /* Device number to find planes = getRez() */ + /* = Index in scpn_planes_device[] */ +} __attribute__((packed)) scpn_screeninfo_t; + +typedef struct { + unsigned long magic; /* just a BRA assembler jump */ + unsigned short version; + void *dummy1; + unsigned short ptsout0_1; + unsigned short ptsout0_2; + unsigned short dummy3; + unsigned char date[8]; /* Date of program build */ + unsigned char asm_string[30]; /* 10 times the 'ASM' string */ + unsigned short dummy4; + scpn_screeninfo_t *screen_info; + unsigned short dummy6; +} __attribute__((packed)) scpn_cookie_t; + +/*--- Function prototypes ---*/ + +int SDL_XBIOS_SB3Usable(scpn_cookie_t *cookie_scpn); + +void SDL_XBIOS_SB3Init(_THIS, scpn_cookie_t *cookie_scpn); + +#endif /* _SDL_xbios_sb3_h_ */