1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2004 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 (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 /* 25 Centscreen extension definitions 26 27 Patrice Mandin 28 */ 29 30 #include <mint/falcon.h> 31 32 #include "SDL_xbios.h" 33 #include "SDL_xbios_centscreen.h" 34 35 int SDL_XBIOS_CentscreenInit(_THIS) 36 { 37 centscreen_mode_t curmode, listedmode; 38 unsigned long result; 39 int cur_handle; /* Current Centscreen mode handle */ 40 41 /* Reset current mode list */ 42 if (XBIOS_modelist) { 43 SDL_free(XBIOS_modelist); 44 XBIOS_nummodes = 0; 45 XBIOS_modelist = NULL; 46 } 47 48 /* Add Centscreen modes */ 49 Vread(&curmode); 50 cur_handle = curmode.handle; 51 curmode.mode = curmode.physx = curmode.physy = curmode.plan = 52 curmode.logx = curmode.logy = -1; 53 54 result = Vfirst(&curmode, &listedmode); 55 if (result==0) { 56 while (result==0) { 57 /* Don't add modes with virtual screen */ 58 if ((listedmode.mode & CSCREEN_VIRTUAL)==0) { 59 /* Don't add modes with bpp<8 */ 60 if (listedmode.plan>=8) { 61 SDL_XBIOS_AddMode(this, listedmode.mode, listedmode.physx, 62 listedmode.physy, listedmode.plan, SDL_FALSE 63 ); 64 } 65 } 66 SDL_memcpy(&curmode, &listedmode, sizeof(centscreen_mode_t)); 67 curmode.mode = curmode.physx = curmode.physy = curmode.plan = 68 curmode.logx = curmode.logy = -1; 69 result = Vnext(&curmode, &listedmode); 70 } 71 } else { 72 fprintf(stderr, "No suitable Centscreen modes\n"); 73 } 74 75 return cur_handle; 76 } 77 78 void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes) 79 { 80 centscreen_mode_t newmode, curmode; 81 82 newmode.handle = newmode.mode = newmode.logx = newmode.logy = -1; 83 newmode.physx = width; 84 newmode.physy = height; 85 newmode.plan = planes; 86 Vwrite(0, &newmode, &curmode); 87 88 /* Disable screensaver */ 89 Vread(&newmode); 90 newmode.mode &= ~(CSCREEN_SAVER|CSCREEN_ENERGYSTAR); 91 Vwrite(0, &newmode, &curmode); 92 } 93 94 void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle) 95 { 96 centscreen_mode_t newmode, curmode; 97 98 /* Restore old video mode */ 99 newmode.handle = prev_handle; 100 newmode.mode = newmode.physx = newmode.physy = newmode.plan = 101 newmode.logx = newmode.logy = -1; 102 Vwrite(0, &newmode, &curmode); 103 } 104
