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comparison src/video/xbios/SDL_xbios.c @ 1040:c6ed27c7d47d

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Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
author Patrice Mandin <patmandin@gmail.com>
date Tue, 22 Feb 2005 17:57:40 +0000
parents 2662da16d668
children 0e7218843cfb
comparison
equal deleted inserted replaced
1039:68f2b997758e 1040:c6ed27c7d47d
53 #include "SDL_ataric2p_s.h" 53 #include "SDL_ataric2p_s.h"
54 #include "SDL_atarievents_c.h" 54 #include "SDL_atarievents_c.h"
55 #include "SDL_atarimxalloc_c.h" 55 #include "SDL_atarimxalloc_c.h"
56 #include "SDL_atarigl_c.h" 56 #include "SDL_atarigl_c.h"
57 #include "SDL_xbios.h" 57 #include "SDL_xbios.h"
58 #include "SDL_xbios_blowup.h"
59 #include "SDL_xbios_sb3.h"
58 60
59 #define XBIOS_VID_DRIVER_NAME "xbios" 61 #define XBIOS_VID_DRIVER_NAME "xbios"
60 62
61 /*#define DEBUG_VIDEO_XBIOS 1*/ 63 /*#define DEBUG_VIDEO_XBIOS 1*/
62 64
136 138
137 /* Xbios driver bootstrap functions */ 139 /* Xbios driver bootstrap functions */
138 140
139 static int XBIOS_Available(void) 141 static int XBIOS_Available(void)
140 { 142 {
141 unsigned long cookie_vdo, cookie_mil, cookie_hade; 143 unsigned long cookie_vdo, cookie_mil, cookie_hade, cookie_scpn;
142 144
143 /* Milan/Hades Atari clones do not have an Atari video chip */ 145 /* Milan/Hades Atari clones do not have an Atari video chip */
144 if ( (Getcookie(C__MIL, &cookie_mil) == C_FOUND) || 146 if ( (Getcookie(C__MIL, &cookie_mil) == C_FOUND) ||
145 (Getcookie(C_hade, &cookie_hade) == C_FOUND) ) { 147 (Getcookie(C_hade, &cookie_hade) == C_FOUND) ) {
146 return 0; 148 return 0;
163 return 0; 165 return 0;
164 break; 166 break;
165 case VDO_F30: 167 case VDO_F30:
166 if ( Montype() == MONITOR_MONO) 168 if ( Montype() == MONITOR_MONO)
167 return 0; 169 return 0;
170 if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) {
171 if (!SDL_XBIOS_SB3Usable((scpn_cookie_t *)cookie_scpn)) {
172 return 0;
173 }
174 }
168 break; 175 break;
169 default: 176 default:
170 return 0; 177 return 0;
171 } 178 }
172 179
240 247
241 static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat) 248 static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
242 { 249 {
243 int i,j8,j16; 250 int i,j8,j16;
244 xbiosmode_t *current_mode; 251 xbiosmode_t *current_mode;
252 unsigned long cookie_blow, cookie_scpn;
245 253
246 /* Initialize all variables that we clean on shutdown */ 254 /* Initialize all variables that we clean on shutdown */
247 memset (SDL_modelist, 0, sizeof(SDL_modelist)); 255 memset (SDL_modelist, 0, sizeof(SDL_modelist));
248 256
249 /* Cookie _VDO present ? if not, assume ST machine */ 257 /* Cookie _VDO present ? if not, assume ST machine */
365 newvmode &= ~(VGA|PAL); 373 newvmode &= ~(VGA|PAL);
366 newvmode |= XBIOS_oldvmode & (VGA|PAL); 374 newvmode |= XBIOS_oldvmode & (VGA|PAL);
367 current_mode->number = newvmode; 375 current_mode->number = newvmode;
368 376
369 current_mode++; 377 current_mode++;
378 }
379
380 /* Initialize BlowUp or SB3 stuff if present */
381 if (Getcookie(C_BLOW, &cookie_blow) == C_FOUND) {
382 SDL_XBIOS_BlowupInit(this, (blow_cookie_t *)cookie_blow);
383 } else if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) {
384 SDL_XBIOS_SB3Init(this, (scpn_cookie_t *)cookie_scpn);
370 } 385 }
371 386
372 break; 387 break;
373 } 388 }
374 389