e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 Sam Lantinga |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Library General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2 of the License, or (at your option) any later version. |
9 | |
10 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Library General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Library General Public |
16 | License along with this library; if not, write to the Free |
17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
18 | |
19 | Sam Lantinga |
20 | slouken@libsdl.org |
21 | */ |
22 | #include "SDL_config.h" |
23 | |
24 | /* |
25 | ScreenBlaster 3 definitions |
26 | |
27 | Patrice Mandin |
28 | */ |
29 | |
30 | #ifndef _SDL_xbios_sb3_h_ |
31 | #define _SDL_xbios_sb3_h_ |
32 | |
33 | /*--- Defines ---*/ |
34 | |
35 | #ifndef C_SCPN |
36 | #define C_SCPN 0x5343504EL |
37 | #endif |
38 | |
39 | #define SCPN_DEV_1BPP 0 |
40 | #define SCPN_DEV_2BPP 1 |
41 | #define SCPN_DEV_4BPP 2 |
42 | #define SCPN_DEV_8BPP 3 |
43 | #define SCPN_DEV_16BPP 4 |
44 | |
45 | extern const int SDL_XBIOS_scpn_planes_device[]; |
46 | |
47 | /*--- Types ---*/ |
48 | |
49 | typedef struct { |
50 | unsigned short virtual_width; /* Virtual screen width */ |
51 | unsigned short virtual_height; /* Virtual screen height */ |
52 | unsigned short visible_width; /* Visible width */ |
53 | unsigned short visible_height; /* Visible height */ |
54 | unsigned short h_pos; /* Horizontal position in virtual screen */ |
55 | unsigned short v_pos; /* Vertical position in virtual screen */ |
56 | unsigned short dummy; |
57 | unsigned long size; /* Size of screen in bytes */ |
58 | unsigned short device; /* Device number to find planes = getRez() */ |
59 | /* = Index in scpn_planes_device[] */ |
60 | } __attribute__((packed)) scpn_screeninfo_t; |
61 | |
62 | typedef struct { |
63 | unsigned long magic; /* just a BRA assembler jump */ |
64 | unsigned short version; |
65 | void *dummy1; |
66 | unsigned short ptsout0_1; |
67 | unsigned short ptsout0_2; |
68 | unsigned short dummy3; |
69 | unsigned char date[8]; /* Date of program build */ |
70 | unsigned char asm_string[30]; /* 10 times the 'ASM' string */ |
71 | unsigned short dummy4; |
72 | scpn_screeninfo_t *screen_info; |
73 | unsigned short dummy6; |
74 | } __attribute__((packed)) scpn_cookie_t; |
75 | |
76 | /*--- Function prototypes ---*/ |
77 | |
78 | int SDL_XBIOS_SB3Usable(scpn_cookie_t *cookie_scpn); |
79 | |
80 | void SDL_XBIOS_ListSB3Modes(_THIS, int actually_add, scpn_cookie_t *cookie_scpn); |
81 | |
82 | #endif /* _SDL_xbios_sb3_h_ */ |