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authorDavid 'Digit' Turner <digit@google.com>2009-06-04 16:07:01 +0200
committerDavid 'Digit' Turner <digit@google.com>2009-06-08 17:43:17 +0200
commit46be48730333120a7b939116cef075e61c12c703 (patch)
tree92bde033dd93fc14e0e2565a52293b59787b8859 /distrib/sdl-1.2.12/src/video/xbios
parentb72269abe4a75736c09b0ee8797b736f49c058c8 (diff)
downloadexternal_qemu-46be48730333120a7b939116cef075e61c12c703.zip
external_qemu-46be48730333120a7b939116cef075e61c12c703.tar.gz
external_qemu-46be48730333120a7b939116cef075e61c12c703.tar.bz2
Add our modified SDL sources under distrib/sdl-1.2.12
Fix distrib/make-distrib.sh script to work with git Fix distrib/build-emulator.sh to accomodate for new SDL configure script Handle Tiger SDK usage in SDL configure script
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/xbios')
-rw-r--r--distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c953
-rw-r--r--distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h131
-rw-r--r--distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_blowup.c70
-rw-r--r--distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_blowup.h86
-rw-r--r--distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_centscreen.c103
-rw-r--r--distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_centscreen.h118
-rw-r--r--distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_sb3.c86
-rw-r--r--distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_sb3.h82
8 files changed, 1629 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c
new file mode 100644
index 0000000..9cbb4a8
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c
@@ -0,0 +1,953 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2006 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/*
+ * Xbios SDL video driver
+ *
+ * Patrice Mandin
+ */
+
+#include <sys/stat.h>
+#include <unistd.h>
+
+/* Mint includes */
+#include <mint/cookie.h>
+#include <mint/osbind.h>
+#include <mint/falcon.h>
+
+#include "SDL_video.h"
+#include "SDL_mouse.h"
+#include "../SDL_sysvideo.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+
+#include "../ataricommon/SDL_ataric2p_s.h"
+#include "../ataricommon/SDL_atarievents_c.h"
+#include "../ataricommon/SDL_atarimxalloc_c.h"
+#include "../ataricommon/SDL_atarigl_c.h"
+#include "SDL_xbios.h"
+#include "SDL_xbios_blowup.h"
+#include "SDL_xbios_centscreen.h"
+#include "SDL_xbios_sb3.h"
+#include "SDL_xbios_tveille.h"
+
+#define XBIOS_VID_DRIVER_NAME "xbios"
+
+/* Debug print info */
+#if 0
+#define DEBUG_PRINT(what) \
+ { \
+ printf what; \
+ }
+#define DEBUG_VIDEO_XBIOS 1
+#else
+#define DEBUG_PRINT(what)
+#undef DEBUG_VIDEO_XBIOS
+#endif
+
+/* Initialization/Query functions */
+static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat);
+static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
+static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
+static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
+static void XBIOS_VideoQuit(_THIS);
+
+/* Hardware surface functions */
+static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface);
+static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface);
+static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface);
+static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface);
+static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface);
+static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
+
+#if SDL_VIDEO_OPENGL
+/* OpenGL functions */
+static void XBIOS_GL_SwapBuffers(_THIS);
+#endif
+
+/* To setup palette */
+
+static unsigned short TT_palette[256];
+static unsigned long F30_palette[256];
+
+/* Xbios driver bootstrap functions */
+
+static int XBIOS_Available(void)
+{
+ unsigned long cookie_vdo, cookie_mil, cookie_hade, cookie_scpn;
+
+ /* Milan/Hades Atari clones do not have an Atari video chip */
+ if ( (Getcookie(C__MIL, &cookie_mil) == C_FOUND) ||
+ (Getcookie(C_hade, &cookie_hade) == C_FOUND) ) {
+ return 0;
+ }
+
+ /* Cookie _VDO present ? if not, assume ST machine */
+ if (Getcookie(C__VDO, &cookie_vdo) != C_FOUND) {
+ cookie_vdo = VDO_ST << 16;
+ }
+
+ /* Test if we have a monochrome monitor plugged in */
+ switch( cookie_vdo >>16) {
+ case VDO_ST:
+ case VDO_STE:
+ if ( Getrez() == (ST_HIGH>>8) )
+ return 0;
+ break;
+ case VDO_TT:
+ if ( (EgetShift() & ES_MODE) == TT_HIGH)
+ return 0;
+ break;
+ case VDO_F30:
+ if ( VgetMonitor() == MONITOR_MONO)
+ return 0;
+ if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) {
+ if (!SDL_XBIOS_SB3Usable((scpn_cookie_t *)cookie_scpn)) {
+ return 0;
+ }
+ }
+ break;
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+static void XBIOS_DeleteDevice(SDL_VideoDevice *device)
+{
+ SDL_free(device->hidden);
+ SDL_free(device);
+}
+
+static SDL_VideoDevice *XBIOS_CreateDevice(int devindex)
+{
+ SDL_VideoDevice *device;
+
+ /* Initialize all variables that we clean on shutdown */
+ device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
+ if ( device ) {
+ SDL_memset(device, 0, (sizeof *device));
+ device->hidden = (struct SDL_PrivateVideoData *)
+ SDL_malloc((sizeof *device->hidden));
+ device->gl_data = (struct SDL_PrivateGLData *)
+ SDL_malloc((sizeof *device->gl_data));
+ }
+ if ( (device == NULL) || (device->hidden == NULL) ) {
+ SDL_OutOfMemory();
+ if ( device ) {
+ SDL_free(device);
+ }
+ return(0);
+ }
+ SDL_memset(device->hidden, 0, (sizeof *device->hidden));
+ SDL_memset(device->gl_data, 0, sizeof(*device->gl_data));
+
+ /* Video functions */
+ device->VideoInit = XBIOS_VideoInit;
+ device->ListModes = XBIOS_ListModes;
+ device->SetVideoMode = XBIOS_SetVideoMode;
+ device->SetColors = XBIOS_SetColors;
+ device->UpdateRects = NULL;
+ device->VideoQuit = XBIOS_VideoQuit;
+ device->AllocHWSurface = XBIOS_AllocHWSurface;
+ device->LockHWSurface = XBIOS_LockHWSurface;
+ device->UnlockHWSurface = XBIOS_UnlockHWSurface;
+ device->FlipHWSurface = XBIOS_FlipHWSurface;
+ device->FreeHWSurface = XBIOS_FreeHWSurface;
+
+#if SDL_VIDEO_OPENGL
+ /* OpenGL functions */
+ device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary;
+ device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress;
+ device->GL_GetAttribute = SDL_AtariGL_GetAttribute;
+ device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent;
+ device->GL_SwapBuffers = XBIOS_GL_SwapBuffers;
+#endif
+
+ /* Events */
+ device->InitOSKeymap = Atari_InitOSKeymap;
+ device->PumpEvents = Atari_PumpEvents;
+
+ device->free = XBIOS_DeleteDevice;
+
+ return device;
+}
+
+VideoBootStrap XBIOS_bootstrap = {
+ XBIOS_VID_DRIVER_NAME, "Atari Xbios driver",
+ XBIOS_Available, XBIOS_CreateDevice
+};
+
+void SDL_XBIOS_AddMode(_THIS, Uint16 modecode, Uint16 width, Uint16 height,
+ Uint16 depth, SDL_bool flags)
+{
+ int i, curpos;
+ xbiosmode_t *current_mode;
+
+ /* Check if mode already exists */
+ if (XBIOS_modelist) {
+ current_mode = XBIOS_modelist;
+ for (i=0;i<XBIOS_nummodes; i++, current_mode++) {
+ if (current_mode->width != width)
+ continue;
+ if (current_mode->height != height)
+ continue;
+ if (current_mode->depth != depth)
+ continue;
+ return;
+ }
+ }
+
+ ++XBIOS_nummodes;
+ XBIOS_modelist = (xbiosmode_t *) SDL_realloc(XBIOS_modelist, XBIOS_nummodes * sizeof(xbiosmode_t));
+
+ /* Keep the list sorted: bpp, width, height */
+ curpos=0;
+
+ for(i=0; i<XBIOS_nummodes-1; i++) {
+ if (XBIOS_modelist[i].depth <= depth) {
+ if (XBIOS_modelist[i].width < width) {
+ break;
+ } else if (XBIOS_modelist[i].width == width) {
+ if (XBIOS_modelist[i].height <= height) {
+ break;
+ }
+ }
+ }
+ curpos++;
+ }
+
+ /* Push remaining modes further */
+ for(i=XBIOS_nummodes-1; i>curpos; i--) {
+ SDL_memcpy(&XBIOS_modelist[i], &XBIOS_modelist[i-1], sizeof(xbiosmode_t));
+ }
+
+ XBIOS_modelist[curpos].number = modecode;
+ XBIOS_modelist[curpos].width = width;
+ XBIOS_modelist[curpos].height = height;
+ XBIOS_modelist[curpos].depth = depth;
+ XBIOS_modelist[curpos].doubleline = flags;
+}
+
+static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
+{
+ int i,j8,j16;
+ xbiosmode_t *current_mode;
+ unsigned long cookie_blow, cookie_scpn, cookie_cnts;
+
+ /* Initialize all variables that we clean on shutdown */
+ memset (SDL_modelist, 0, sizeof(SDL_modelist));
+
+ /* Cookie _VDO present ? if not, assume ST machine */
+ if (Getcookie(C__VDO, &XBIOS_cvdo) != C_FOUND) {
+ XBIOS_cvdo = VDO_ST << 16;
+ }
+
+ /* Allocate memory for old palette */
+ XBIOS_oldpalette = (void *)SDL_malloc(256*sizeof(long));
+ if ( !XBIOS_oldpalette ) {
+ SDL_SetError("Unable to allocate memory for old palette\n");
+ return(-1);
+ }
+
+ /* Initialize video mode list */
+ /* and save current screen status (palette, screen address, video mode) */
+ XBIOS_nummodes = 0;
+ XBIOS_modelist = NULL;
+ XBIOS_centscreen = SDL_FALSE;
+
+ switch (XBIOS_cvdo >>16) {
+ case VDO_ST:
+ case VDO_STE:
+ {
+ short *oldpalette;
+
+ SDL_XBIOS_AddMode(this, ST_LOW>>8,320,200,4,SDL_FALSE);
+
+ XBIOS_oldvbase=Physbase();
+ XBIOS_oldvmode=Getrez();
+ switch(XBIOS_oldvmode << 8) {
+ case ST_LOW:
+ XBIOS_oldnumcol=16;
+ break;
+ case ST_MED:
+ XBIOS_oldnumcol=4;
+ break;
+ case ST_HIGH:
+ XBIOS_oldnumcol=2;
+ break;
+ default:
+ XBIOS_oldnumcol=0;
+ break;
+ }
+
+ oldpalette= (short *) XBIOS_oldpalette;
+ for (i=0;i<XBIOS_oldnumcol;i++) {
+ *oldpalette++=Setcolor(i,-1);
+ }
+
+ vformat->BitsPerPixel = 8;
+ }
+ break;
+ case VDO_TT:
+
+ SDL_XBIOS_AddMode(this, TT_LOW,320,480,8,SDL_FALSE);
+ /* Software double-lined mode */
+ SDL_XBIOS_AddMode(this, TT_LOW,320,240,8,SDL_TRUE);
+
+ XBIOS_oldvbase=Logbase();
+ XBIOS_oldvmode=EgetShift();
+
+ switch(XBIOS_oldvmode & ES_MODE) {
+ case TT_LOW:
+ XBIOS_oldnumcol=256;
+ break;
+ case ST_LOW:
+ case TT_MED:
+ XBIOS_oldnumcol=16;
+ break;
+ case ST_MED:
+ XBIOS_oldnumcol=4;
+ break;
+ case ST_HIGH:
+ case TT_HIGH:
+ XBIOS_oldnumcol=2;
+ break;
+ default:
+ XBIOS_oldnumcol=0;
+ break;
+ }
+ if (XBIOS_oldnumcol) {
+ EgetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette);
+ }
+
+ vformat->BitsPerPixel = 8;
+ break;
+ case VDO_F30:
+ switch (VgetMonitor())
+ {
+ case MONITOR_MONO:
+ /* Not usable */
+ break;
+ case MONITOR_RGB:
+ case MONITOR_TV:
+ SDL_XBIOS_AddMode(this, BPS16|COL80|OVERSCAN|VERTFLAG,768,480,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS16|COL80|OVERSCAN,768,240,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS16|COL80|VERTFLAG,640,400,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS16|COL80,640,200,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS16|OVERSCAN|VERTFLAG,384,480,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS16|OVERSCAN,384,240,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS16|VERTFLAG,320,400,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS16,320,200,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|COL80|OVERSCAN|VERTFLAG,768,480,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|COL80|OVERSCAN,768,240,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|COL80|VERTFLAG,640,400,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|COL80,640,200,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|OVERSCAN|VERTFLAG,384,480,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|OVERSCAN,384,240,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|VERTFLAG,320,400,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8,320,200,8,SDL_FALSE);
+ break;
+ case MONITOR_VGA:
+ SDL_XBIOS_AddMode(this, BPS16,320,480,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS16|VERTFLAG,320,240,16,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|COL80,640,480,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|COL80|VERTFLAG,640,240,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8,320,480,8,SDL_FALSE);
+ SDL_XBIOS_AddMode(this, BPS8|VERTFLAG,320,240,8,SDL_FALSE);
+ break;
+ }
+ XBIOS_oldvbase=Logbase();
+ XBIOS_oldvmode=VsetMode(-1);
+
+ XBIOS_oldnumcol= 1<< (1 << (XBIOS_oldvmode & NUMCOLS));
+ if (XBIOS_oldnumcol > 256) {
+ XBIOS_oldnumcol = 0;
+ }
+ if (XBIOS_oldnumcol) {
+ VgetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);
+ }
+
+ vformat->BitsPerPixel = 16;
+
+ /* Keep vga/rvb, and pal/ntsc bits */
+ current_mode = XBIOS_modelist;
+ for (i=0;i<XBIOS_nummodes;i++) {
+ Uint16 newvmode;
+
+ newvmode = current_mode->number;
+ newvmode &= ~(VGA|PAL);
+ newvmode |= XBIOS_oldvmode & (VGA|PAL);
+ current_mode->number = newvmode;
+
+ current_mode++;
+ }
+
+ /* Initialize BlowUp/SB3/Centscreen stuff if present */
+ if (Getcookie(C_BLOW, &cookie_blow) == C_FOUND) {
+ SDL_XBIOS_BlowupInit(this, (blow_cookie_t *)cookie_blow);
+ } else if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) {
+ SDL_XBIOS_SB3Init(this, (scpn_cookie_t *)cookie_scpn);
+ } else if (Getcookie(C_CNTS, &cookie_cnts) == C_FOUND) {
+ XBIOS_oldvmode = SDL_XBIOS_CentscreenInit(this);
+ XBIOS_centscreen = SDL_TRUE;
+ }
+
+ break;
+ }
+
+ /* Determine the current screen size */
+ if ( XBIOS_nummodes > 0 ) {
+ /* FIXME: parse video mode list to search for current mode */
+ this->info.current_w = XBIOS_modelist[0].width;
+ this->info.current_h = XBIOS_modelist[0].height;
+ }
+
+ current_mode = XBIOS_modelist;
+ j8 = j16 = 0;
+ for (i=0; i<XBIOS_nummodes; i++, current_mode++) {
+ switch (current_mode->depth) {
+ case 4:
+ case 8:
+ SDL_modelist[0][j8] = SDL_malloc(sizeof(SDL_Rect));
+ SDL_modelist[0][j8]->x = SDL_modelist[0][j8]->y = 0;
+ SDL_modelist[0][j8]->w = current_mode->width;
+ SDL_modelist[0][j8]->h = current_mode->height;
+ XBIOS_videomodes[0][j8]=current_mode;
+ j8++;
+ break;
+ case 16:
+ SDL_modelist[1][j16] = SDL_malloc(sizeof(SDL_Rect));
+ SDL_modelist[1][j16]->x = SDL_modelist[1][j16]->y = 0;
+ SDL_modelist[1][j16]->w = current_mode->width;
+ SDL_modelist[1][j16]->h = current_mode->height;
+ XBIOS_videomodes[1][j16]=current_mode;
+ j16++;
+ break;
+ }
+ }
+ SDL_modelist[0][j8] = NULL;
+ SDL_modelist[1][j16] = NULL;
+
+ XBIOS_screens[0]=NULL;
+ XBIOS_screens[1]=NULL;
+ XBIOS_shadowscreen=NULL;
+
+ /* Update hardware info */
+ this->info.hw_available = 1;
+ this->info.video_mem = (Uint32) Atari_SysMalloc(-1L, MX_STRAM);
+
+ /* Init chunky to planar routine */
+ SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8;
+
+#if SDL_VIDEO_OPENGL
+ SDL_AtariGL_InitPointers(this);
+#endif
+
+ /* Disable screensavers */
+ if (SDL_XBIOS_TveillePresent(this)) {
+ SDL_XBIOS_TveilleDisable(this);
+ }
+
+ /* We're done! */
+ return(0);
+}
+
+static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
+{
+ /* 8 bits -> list 0 */
+ /* 16 bits -> list 1 */
+ if ((format->BitsPerPixel != 8) && (format->BitsPerPixel !=16)) {
+ return NULL;
+ }
+
+ return(SDL_modelist[(format->BitsPerPixel)>>4]);
+}
+
+static void XBIOS_FreeBuffers(_THIS)
+{
+ int i;
+
+ for (i=0;i<2;i++) {
+ if (XBIOS_screensmem[i]!=NULL) {
+ Mfree(XBIOS_screensmem[i]);
+ XBIOS_screensmem[i]=NULL;
+ }
+ }
+
+ if (XBIOS_shadowscreen!=NULL) {
+ Mfree(XBIOS_shadowscreen);
+ XBIOS_shadowscreen=NULL;
+ }
+}
+
+static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current,
+ int width, int height, int bpp, Uint32 flags)
+{
+ int mode, new_depth;
+ int i;
+ xbiosmode_t *new_video_mode;
+ Uint32 new_screen_size;
+ Uint32 modeflags;
+
+ /* Free current buffers */
+ XBIOS_FreeBuffers(this);
+
+ /* Limit bpp */
+ if (bpp>16) {
+ bpp = 16;
+ }
+ bpp >>= 4;
+
+ /* Search if the mode exists (width, height, bpp) */
+ for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) {
+ if ( (SDL_modelist[bpp][mode]->w == width) &&
+ (SDL_modelist[bpp][mode]->h == height) ) {
+
+ break;
+ }
+ }
+ if ( SDL_modelist[bpp][mode] == NULL ) {
+ SDL_SetError("Couldn't find requested mode in list");
+ return(NULL);
+ }
+
+ modeflags = SDL_FULLSCREEN | SDL_PREALLOC;
+
+ /* Allocate needed buffers: simple/double buffer and shadow surface */
+ new_video_mode = XBIOS_videomodes[bpp][mode];
+ new_depth = new_video_mode->depth;
+ if (new_depth == 4) {
+ SDL_Atari_C2pConvert = SDL_Atari_C2pConvert4;
+ new_depth=8;
+ modeflags |= SDL_SWSURFACE|SDL_HWPALETTE;
+ } else if (new_depth == 8) {
+ SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8;
+ modeflags |= SDL_SWSURFACE|SDL_HWPALETTE;
+ } else {
+ modeflags |= SDL_HWSURFACE;
+ }
+
+ new_screen_size = width * height * ((new_depth)>>3);
+ new_screen_size += 256; /* To align on a 256 byte adress */
+
+ if (new_depth == 8) {
+ XBIOS_shadowscreen = Atari_SysMalloc(new_screen_size, MX_PREFTTRAM);
+
+ if (XBIOS_shadowscreen == NULL) {
+ SDL_SetError("Can not allocate %d KB for shadow buffer", new_screen_size>>10);
+ return (NULL);
+ }
+ SDL_memset(XBIOS_shadowscreen, 0, new_screen_size);
+ }
+
+ /* Output buffer needs to be twice in size for the software double-line mode */
+ XBIOS_doubleline = SDL_FALSE;
+ if (new_video_mode->doubleline) {
+ new_screen_size <<= 1;
+ XBIOS_doubleline = SDL_TRUE;
+ }
+
+ XBIOS_screensmem[0] = Atari_SysMalloc(new_screen_size, MX_STRAM);
+
+ if (XBIOS_screensmem[0]==NULL) {
+ XBIOS_FreeBuffers(this);
+ SDL_SetError("Can not allocate %d KB for frame buffer", new_screen_size>>10);
+ return (NULL);
+ }
+ SDL_memset(XBIOS_screensmem[0], 0, new_screen_size);
+
+ XBIOS_screens[0]=(void *) (( (long) XBIOS_screensmem[0]+256) & 0xFFFFFF00UL);
+
+#if SDL_VIDEO_OPENGL
+ if (flags & SDL_OPENGL) {
+ if (this->gl_config.double_buffer) {
+ flags |= SDL_DOUBLEBUF;
+ }
+ }
+#endif
+
+ /* Double buffer ? */
+ if (flags & SDL_DOUBLEBUF) {
+ XBIOS_screensmem[1] = Atari_SysMalloc(new_screen_size, MX_STRAM);
+
+ if (XBIOS_screensmem[1]==NULL) {
+ XBIOS_FreeBuffers(this);
+ SDL_SetError("Can not allocate %d KB for double buffer", new_screen_size>>10);
+ return (NULL);
+ }
+ SDL_memset(XBIOS_screensmem[1], 0, new_screen_size);
+
+ XBIOS_screens[1]=(void *) (( (long) XBIOS_screensmem[1]+256) & 0xFFFFFF00UL);
+ modeflags |= SDL_DOUBLEBUF;
+ }
+
+ /* Allocate the new pixel format for the screen */
+ if ( ! SDL_ReallocFormat(current, new_depth, 0, 0, 0, 0) ) {
+ XBIOS_FreeBuffers(this);
+ SDL_SetError("Couldn't allocate new pixel format for requested mode");
+ return(NULL);
+ }
+
+ current->w = XBIOS_width = width;
+ current->h = XBIOS_height = height;
+ current->pitch = (width * new_depth)>>3;
+
+ /* this is for C2P conversion */
+ XBIOS_pitch = (new_video_mode->width * new_video_mode->depth)>>3;
+
+ if (new_depth == 8)
+ current->pixels = XBIOS_shadowscreen;
+ else
+ current->pixels = XBIOS_screens[0];
+
+ XBIOS_fbnum = 0;
+
+#if SDL_VIDEO_OPENGL
+ if (flags & SDL_OPENGL) {
+ if (!SDL_AtariGL_Init(this, current)) {
+ XBIOS_FreeBuffers(this);
+ SDL_SetError("Can not create OpenGL context");
+ return NULL;
+ }
+
+ modeflags |= SDL_OPENGL;
+ }
+#endif
+
+ current->flags = modeflags;
+
+ /* Now set the video mode */
+#ifndef DEBUG_VIDEO_XBIOS
+ Setscreen(-1,XBIOS_screens[0],-1);
+#endif
+
+ switch(XBIOS_cvdo >> 16) {
+ case VDO_ST:
+#ifndef DEBUG_VIDEO_XBIOS
+ Setscreen(-1,-1,new_video_mode->number);
+#endif
+ /* Reset palette */
+ for (i=0;i<16;i++) {
+ TT_palette[i]= ((i>>1)<<8) | (((i*8)/17)<<4) | (i>>1);
+ }
+#ifndef DEBUG_VIDEO_XBIOS
+ Setpalette(TT_palette);
+#endif
+ break;
+ case VDO_STE:
+#ifndef DEBUG_VIDEO_XBIOS
+ Setscreen(-1,-1,new_video_mode->number);
+#endif
+ /* Reset palette */
+ for (i=0;i<16;i++)
+ {
+ int c;
+
+ c=((i&1)<<3)|((i>>1)&7);
+ TT_palette[i]=(c<<8)|(c<<4)|c;
+ }
+#ifndef DEBUG_VIDEO_XBIOS
+ Setpalette(TT_palette);
+#endif
+ break;
+ case VDO_TT:
+#ifndef DEBUG_VIDEO_XBIOS
+ EsetShift(new_video_mode->number);
+#endif
+ break;
+ case VDO_F30:
+#ifndef DEBUG_VIDEO_XBIOS
+ if (XBIOS_centscreen) {
+ SDL_XBIOS_CentscreenSetmode(this, width, height, new_depth);
+ } else {
+ VsetMode(new_video_mode->number);
+ }
+#endif
+ /* Set hardware palette to black in True Colour */
+ if (new_depth == 16) {
+ SDL_memset(F30_palette, 0, sizeof(F30_palette));
+ VsetRGB(0,256,F30_palette);
+ }
+ break;
+ }
+
+ Vsync();
+
+ this->UpdateRects = XBIOS_UpdateRects;
+
+ return (current);
+}
+
+/* We don't actually allow hardware surfaces other than the main one */
+static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface)
+{
+ return(-1);
+}
+
+static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface)
+{
+ return;
+}
+
+static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface)
+{
+ return(0);
+}
+
+static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface)
+{
+ return;
+}
+
+static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
+{
+ SDL_Surface *surface;
+
+ surface = this->screen;
+
+ if ((surface->format->BitsPerPixel) == 8) {
+ int i;
+
+ for (i=0;i<numrects;i++) {
+ void *source,*destination;
+ int x1,x2;
+
+ x1 = rects[i].x & ~15;
+ x2 = rects[i].x+rects[i].w;
+ if (x2 & 15) {
+ x2 = (x2 | 15) +1;
+ }
+
+ source = surface->pixels;
+ source += surface->pitch * rects[i].y;
+ source += x1;
+
+ destination = XBIOS_screens[XBIOS_fbnum];
+ destination += XBIOS_pitch * rects[i].y;
+ destination += x1;
+
+ /* Convert chunky to planar screen */
+ SDL_Atari_C2pConvert(
+ source,
+ destination,
+ x2-x1,
+ rects[i].h,
+ XBIOS_doubleline,
+ surface->pitch,
+ XBIOS_pitch
+ );
+ }
+ }
+
+#ifndef DEBUG_VIDEO_XBIOS
+ Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1);
+#endif
+ Vsync();
+
+ if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) {
+ XBIOS_fbnum ^= 1;
+ if ((surface->format->BitsPerPixel) > 8) {
+ surface->pixels=XBIOS_screens[XBIOS_fbnum];
+ }
+ }
+}
+
+static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface)
+{
+ if ((surface->format->BitsPerPixel) == 8) {
+ void *destscr;
+ int destx;
+
+ /* Center on destination screen */
+ destscr = XBIOS_screens[XBIOS_fbnum];
+ destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1);
+ destx = (XBIOS_width - surface->w) >> 1;
+ destx &= ~15;
+ destscr += destx;
+
+ /* Convert chunky to planar screen */
+ SDL_Atari_C2pConvert(
+ surface->pixels,
+ destscr,
+ surface->w,
+ surface->h,
+ XBIOS_doubleline,
+ surface->pitch,
+ XBIOS_pitch
+ );
+ }
+
+#ifndef DEBUG_VIDEO_XBIOS
+ Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1);
+#endif
+ Vsync();
+
+ if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) {
+ XBIOS_fbnum ^= 1;
+ if ((surface->format->BitsPerPixel) > 8) {
+ surface->pixels=XBIOS_screens[XBIOS_fbnum];
+ }
+ }
+
+ return(0);
+}
+
+static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
+{
+ int i;
+ int r,v,b;
+
+ switch( XBIOS_cvdo >> 16) {
+ case VDO_ST:
+ case VDO_STE:
+ for (i=0;i<ncolors;i++)
+ {
+ r = colors[i].r;
+ v = colors[i].g;
+ b = colors[i].b;
+
+ TT_palette[firstcolor+i]=((r*30)+(v*59)+(b*11))/100;
+ }
+ SDL_Atari_C2pConvert4_pal(TT_palette); /* convert the lighting */
+ break;
+ case VDO_TT:
+ for(i = 0; i < ncolors; i++)
+ {
+ r = colors[i].r;
+ v = colors[i].g;
+ b = colors[i].b;
+
+ TT_palette[i]=((r>>4)<<8)|((v>>4)<<4)|(b>>4);
+ }
+#ifndef DEBUG_VIDEO_XBIOS
+ EsetPalette(firstcolor,ncolors,TT_palette);
+#endif
+ break;
+ case VDO_F30:
+ for(i = 0; i < ncolors; i++)
+ {
+ r = colors[i].r;
+ v = colors[i].g;
+ b = colors[i].b;
+
+ F30_palette[i]=(r<<16)|(v<<8)|b;
+ }
+#ifndef DEBUG_VIDEO_XBIOS
+ VsetRGB(firstcolor,ncolors,F30_palette);
+#endif
+ break;
+ }
+
+ return(1);
+}
+
+/* Note: If we are terminated, this could be called in the middle of
+ another SDL video routine -- notably UpdateRects.
+*/
+static void XBIOS_VideoQuit(_THIS)
+{
+ int i,j;
+
+ Atari_ShutdownEvents();
+
+ /* Restore video mode and palette */
+#ifndef DEBUG_VIDEO_XBIOS
+ switch(XBIOS_cvdo >> 16) {
+ case VDO_ST:
+ case VDO_STE:
+ Setscreen(-1,XBIOS_oldvbase,XBIOS_oldvmode);
+ if (XBIOS_oldnumcol) {
+ Setpalette(XBIOS_oldpalette);
+ }
+ break;
+ case VDO_TT:
+ Setscreen(-1,XBIOS_oldvbase,-1);
+ EsetShift(XBIOS_oldvmode);
+ if (XBIOS_oldnumcol) {
+ EsetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette);
+ }
+ break;
+ case VDO_F30:
+ Setscreen(-1, XBIOS_oldvbase, -1);
+ if (XBIOS_centscreen) {
+ SDL_XBIOS_CentscreenRestore(this, XBIOS_oldvmode);
+ } else {
+ VsetMode(XBIOS_oldvmode);
+ }
+ if (XBIOS_oldnumcol) {
+ VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);
+ }
+ break;
+ }
+ Vsync();
+#endif
+
+
+#if SDL_VIDEO_OPENGL
+ if (gl_active) {
+ SDL_AtariGL_Quit(this, SDL_TRUE);
+ }
+#endif
+
+ if (XBIOS_oldpalette) {
+ SDL_free(XBIOS_oldpalette);
+ XBIOS_oldpalette=NULL;
+ }
+ XBIOS_FreeBuffers(this);
+
+ /* Free mode list */
+ for (j=0;j<NUM_MODELISTS;j++) {
+ for (i=0;i<SDL_NUMMODES;i++) {
+ if (SDL_modelist[j][i]!=NULL) {
+ SDL_free(SDL_modelist[j][i]);
+ SDL_modelist[j][i]=NULL;
+ }
+ }
+ }
+
+ if (XBIOS_modelist) {
+ SDL_free(XBIOS_modelist);
+ XBIOS_nummodes=0;
+ XBIOS_modelist=NULL;
+ }
+
+ this->screen->pixels = NULL;
+
+ /* Restore screensavers */
+ if (SDL_XBIOS_TveillePresent(this)) {
+ SDL_XBIOS_TveilleRestore(this);
+ }
+}
+
+#if SDL_VIDEO_OPENGL
+
+static void XBIOS_GL_SwapBuffers(_THIS)
+{
+ SDL_AtariGL_SwapBuffers(this);
+ XBIOS_FlipHWSurface(this, this->screen);
+ SDL_AtariGL_MakeCurrent(this);
+}
+
+#endif
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h
new file mode 100644
index 0000000..fce1326
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h
@@ -0,0 +1,131 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2006 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifndef _SDL_xbios_h
+#define _SDL_xbios_h
+
+#include "SDL_stdinc.h"
+#include "../SDL_sysvideo.h"
+
+/* Hidden "this" pointer for the video functions */
+#define _THIS SDL_VideoDevice *this
+
+/* TT video modes: 2
+ Falcon RVB: 16 (could be *2 by adding PAL/NTSC modes)
+ Falcon VGA: 6
+ ST low: 1
+*/
+#define SDL_NUMMODES 16
+
+typedef struct
+{
+ Uint16 number; /* Video mode number */
+ Uint16 width; /* Size */
+ Uint16 height;
+ Uint16 depth; /* bits per plane */
+ SDL_bool doubleline; /* Double the lines ? */
+} xbiosmode_t;
+
+/* Private display data */
+#define NUM_MODELISTS 2 /* 8 and 16 bits-per-pixel */
+
+struct SDL_PrivateVideoData {
+ long cookie_vdo;
+ int old_video_mode; /* Old video mode before entering SDL */
+ void *old_video_base; /* Old pointer to screen buffer */
+ void *old_palette; /* Old palette */
+ Uint32 old_num_colors; /* Nb of colors in saved palette */
+ int num_modes; /* Number of xbios video modes */
+ xbiosmode_t *mode_list; /* List of xbios video modes */
+
+ void *screens[2]; /* Pointers to aligned screen buffer */
+ void *screensmem[2]; /* Pointers to screen buffer */
+ void *shadowscreen; /* Shadow screen for c2p conversion */
+ int doubleline; /* Double line mode ? */
+ int frame_number; /* Number of frame for double buffer */
+ int pitch; /* Destination line width for C2P */
+ int width, height; /* Screen size for centered C2P */
+
+ SDL_bool centscreen; /* Centscreen extension present ? */
+
+ SDL_Rect *SDL_modelist[NUM_MODELISTS][SDL_NUMMODES+1];
+ xbiosmode_t *videomodes[NUM_MODELISTS][SDL_NUMMODES+1];
+};
+
+/* _VDO cookie values */
+enum {
+ VDO_ST=0,
+ VDO_STE,
+ VDO_TT,
+ VDO_F30
+};
+
+/* Monitor types */
+enum {
+ MONITOR_MONO=0,
+ MONITOR_TV,
+ MONITOR_VGA,
+ MONITOR_RGB
+};
+
+/* EgetShift masks */
+#define ES_BANK 0x000f
+#define ES_MODE 0x0700
+#define ES_GRAY 0x1000
+#define ES_SMEAR 0x8000
+
+/* TT shifter modes */
+#define ST_LOW 0x0000
+#define ST_MED 0x0100
+#define ST_HIGH 0x0200
+#define TT_LOW 0x0700
+#define TT_MED 0x0300
+#define TT_HIGH 0x0600
+
+/* Hidden structure -> variables names */
+#define SDL_modelist (this->hidden->SDL_modelist)
+#define XBIOS_mutex (this->hidden->mutex)
+#define XBIOS_cvdo (this->hidden->cookie_vdo)
+#define XBIOS_oldpalette (this->hidden->old_palette)
+#define XBIOS_oldnumcol (this->hidden->old_num_colors)
+#define XBIOS_oldvbase (this->hidden->old_video_base)
+#define XBIOS_oldvmode (this->hidden->old_video_mode)
+#define XBIOS_nummodes (this->hidden->num_modes)
+#define XBIOS_modelist (this->hidden->mode_list)
+#define XBIOS_screens (this->hidden->screens)
+#define XBIOS_screensmem (this->hidden->screensmem)
+#define XBIOS_shadowscreen (this->hidden->shadowscreen)
+#define XBIOS_videomodes (this->hidden->videomodes)
+#define XBIOS_doubleline (this->hidden->doubleline)
+#define XBIOS_fbnum (this->hidden->frame_number)
+#define XBIOS_pitch (this->hidden->pitch)
+#define XBIOS_width (this->hidden->width)
+#define XBIOS_height (this->hidden->height)
+#define XBIOS_centscreen (this->hidden->centscreen)
+
+/*--- Functions prototypes ---*/
+
+void SDL_XBIOS_AddMode(_THIS, Uint16 modecode, Uint16 width, Uint16 height,
+ Uint16 depth, SDL_bool flags);
+
+#endif /* _SDL_xbios_h */
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_blowup.c b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_blowup.c
new file mode 100644
index 0000000..e102a2e
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_blowup.c
@@ -0,0 +1,70 @@
+/*
+ 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
+*/
+#include "SDL_config.h"
+
+/*
+ Blowup extension definitions
+
+ Patrice Mandin
+*/
+
+#include <mint/falcon.h>
+
+#include "SDL_xbios.h"
+#include "SDL_xbios_blowup.h"
+
+void SDL_XBIOS_BlowupInit(_THIS, blow_cookie_t *cookie_blow)
+{
+ int i, num_mode, bank;
+ blow_mode_t *blow_mode;
+
+ /* Add bit 15 for old modes */
+ for (i=0;i<XBIOS_nummodes;i++) {
+ XBIOS_modelist[i].number |= 1<<15;
+ }
+
+ /* Add Blowup modes for 8 and 16 bpp */
+ for (num_mode=3; num_mode<5; num_mode++) {
+ bank = cookie_blow->num_mode[num_mode];
+ blow_mode = &(cookie_blow->blowup_modes[num_mode+(bank*5)]);
+
+ /* Check extended mode enabled */
+ if (blow_mode->enabled == 0) {
+ /* Check monitor needed for this mode */
+ if ((blow_mode->monitor == cookie_blow->montype)
+ || ((blow_mode->monitor == MONITOR_TV)
+ && (cookie_blow->montype == MONITOR_RGB))
+ || ((blow_mode->monitor == MONITOR_RGB)
+ && (cookie_blow->montype == MONITOR_TV)))
+ {
+ /* we can use this extended mode */
+ SDL_XBIOS_AddMode(this,
+ num_mode == 3 ? BPS8 : BPS16,
+ blow_mode->width + 1,
+ blow_mode->height + 1,
+ num_mode == 3 ? 8 : 16,
+ SDL_FALSE
+ );
+ }
+ }
+ }
+}
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_blowup.h b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_blowup.h
new file mode 100644
index 0000000..ae65c09
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_blowup.h
@@ -0,0 +1,86 @@
+/*
+ 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
+*/
+#include "SDL_config.h"
+
+/*
+ Blowup extension definitions
+
+ Patrice Mandin
+*/
+
+#ifndef _SDL_xbios_blowup_h
+#define _SDL_xbios_blowup_h
+
+#include "SDL_xbios.h"
+
+/*--- Types ---*/
+
+typedef struct {
+ /* 64 bytes */
+ unsigned short enabled; /* Extended mode enabled ? 0=yes, <>0=no */
+ unsigned short dummy10[6];
+ unsigned short registers_0E; /* value for register 0xffff820e */
+ unsigned short registers_10; /* value for register 0xffff8210 */
+ unsigned short dummy11[23];
+
+ /* 64 bytes */
+ unsigned short width; /* width-1 */
+ unsigned short height; /* height-1 */
+ unsigned short dummy20;
+ unsigned long screensize; /* screensize in bytes */
+ unsigned short dummy21[8];
+ unsigned short virtual; /* Virtual screen ? */
+ unsigned short virwidth; /* Virtual screen width */
+ unsigned short virheight; /* Virtual screen height */
+
+ unsigned short dummy22;
+ unsigned short monitor; /* Monitor defined for this mode */
+ unsigned short extension; /* Extended mode defined ? 0=yes, 1=no */
+ unsigned short dummy23[13];
+
+ /* 64 bytes */
+ unsigned short dummy30;
+ unsigned short registers_82[6]; /* values for registers 0xffff8282-8c */
+ unsigned short dummy31[9];
+
+ unsigned short dummy32;
+ unsigned short registers_A2[6]; /* values for registers 0xffff82a2-ac */
+ unsigned short dummy33[9];
+
+ /* 64 bytes */
+ unsigned short registers_C0; /* value for register 0xffff82c0 */
+ unsigned short registers_C2; /* value for register 0xffff82c2 */
+ unsigned short dummy40[30];
+} __attribute__((packed)) blow_mode_t;
+
+typedef struct {
+ blow_mode_t blowup_modes[10];
+ unsigned char num_mode[6];
+ unsigned long dummy;
+ unsigned short montype;
+} __attribute__((packed)) blow_cookie_t;
+
+/*--- Functions prototypes ---*/
+
+void SDL_XBIOS_BlowupInit(_THIS, blow_cookie_t *cookie_blow);
+
+#endif /* _SDL_xbios_blowup_h */
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_centscreen.c b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_centscreen.c
new file mode 100644
index 0000000..96e5d7e
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_centscreen.c
@@ -0,0 +1,103 @@
+/*
+ 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
+*/
+#include "SDL_config.h"
+
+/*
+ Centscreen extension definitions
+
+ Patrice Mandin
+*/
+
+#include <mint/falcon.h>
+
+#include "SDL_xbios.h"
+#include "SDL_xbios_centscreen.h"
+
+int SDL_XBIOS_CentscreenInit(_THIS)
+{
+ centscreen_mode_t curmode, listedmode;
+ unsigned long result;
+ int cur_handle; /* Current Centscreen mode handle */
+
+ /* Reset current mode list */
+ if (XBIOS_modelist) {
+ SDL_free(XBIOS_modelist);
+ XBIOS_nummodes = 0;
+ XBIOS_modelist = NULL;
+ }
+
+ /* Add Centscreen modes */
+ Vread(&curmode);
+ cur_handle = curmode.handle;
+ curmode.mode = curmode.physx = curmode.physy = curmode.plan =
+ curmode.logx = curmode.logy = -1;
+
+ result = Vfirst(&curmode, &listedmode);
+ if (result==0) {
+ while (result==0) {
+ /* Don't add modes with virtual screen */
+ if ((listedmode.mode & CSCREEN_VIRTUAL)==0) {
+ /* Don't add modes with bpp<8 */
+ if (listedmode.plan>=8) {
+ SDL_XBIOS_AddMode(this, listedmode.mode, listedmode.physx,
+ listedmode.physy, listedmode.plan, SDL_FALSE
+ );
+ }
+ }
+ SDL_memcpy(&curmode, &listedmode, sizeof(centscreen_mode_t));
+ curmode.mode = curmode.physx = curmode.physy = curmode.plan =
+ curmode.logx = curmode.logy = -1;
+ result = Vnext(&curmode, &listedmode);
+ }
+ } else {
+ fprintf(stderr, "No suitable Centscreen modes\n");
+ }
+
+ return cur_handle;
+}
+
+void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes)
+{
+ centscreen_mode_t newmode, curmode;
+
+ newmode.handle = newmode.mode = newmode.logx = newmode.logy = -1;
+ newmode.physx = width;
+ newmode.physy = height;
+ newmode.plan = planes;
+ Vwrite(0, &newmode, &curmode);
+
+ /* Disable screensaver */
+ Vread(&newmode);
+ newmode.mode &= ~(CSCREEN_SAVER|CSCREEN_ENERGYSTAR);
+ Vwrite(0, &newmode, &curmode);
+}
+
+void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle)
+{
+ centscreen_mode_t newmode, curmode;
+
+ /* Restore old video mode */
+ newmode.handle = prev_handle;
+ newmode.mode = newmode.physx = newmode.physy = newmode.plan =
+ newmode.logx = newmode.logy = -1;
+ Vwrite(0, &newmode, &curmode);
+}
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_centscreen.h b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_centscreen.h
new file mode 100644
index 0000000..8d23e7e
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_centscreen.h
@@ -0,0 +1,118 @@
+/*
+ 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
+*/
+#include "SDL_config.h"
+
+/*
+ Centscreen extension definitions
+
+ Patrice Mandin
+*/
+
+#ifndef _SDL_xbios_centscreen_h
+#define _SDL_xbios_centscreen_h
+
+#include <mint/falcon.h> /* for trap_14_xxx macros */
+
+#include "SDL_xbios.h"
+
+/*--- Defines ---*/
+
+#ifndef C_CNTS
+#define C_CNTS 0x434e5453L
+#endif
+
+#define CSCREEN_ENERGYSTAR (1<<9)
+#define CSCREEN_SAVER (1<<10)
+#define CSCREEN_VIRTUAL (1<<11)
+#define CSCREEN_EXTCLOCK_CT2 (1<<12)
+#define CSCREEN_EXTCLOCK (1<<13)
+#define CSCREEN_STANDARD (1<<14)
+#define CSCREEN_DEFAULT (1<<15)
+
+/*--- Structures ---*/
+
+typedef struct {
+ unsigned short handle; /* videomode handle */
+ unsigned short mode; /* Falcon videomode code */
+ unsigned short physx; /* visible width */
+ unsigned short physy; /* visible height */
+ unsigned short plan; /* bitplanes */
+ unsigned short logx; /* virtual width */
+ unsigned short logy; /* virtual height */
+ unsigned short eco; /* screen saver delay */
+ unsigned short eco2; /* energy star screen saver delay */
+ unsigned short wsize; /* screen width (mm) */
+ unsigned short hsize; /* screen height (mm) */
+ unsigned short dummy[21];
+ unsigned char name[32]; /* videomode name */
+} __attribute__((packed)) centscreen_mode_t;
+
+/*--- Functions prototypes ---*/
+
+#define Vread(current_mode) \
+ (void)trap_14_wl((short)0x41,(long)(current_mode))
+#define Vwrite(init_vdi, inparam, outparam) \
+ (long)trap_14_wwll((short)0x42,(short)(init_vdi),(long)(inparam),(long)(outparam))
+#define Vattrib(inparam, outparam) \
+ (void)trap_14_wll((short)0x43,(long)(inparam),(long)(outparam))
+#define Vcreate(inparam, outparam) \
+ (void)trap_14_wll((short)0x44,(long)(inparam),(long)(outparam))
+#define Vdelete(handle) \
+ (long)trap_14_ww((short)0x45,(short)(handle))
+#define Vfirst(mask,mode) \
+ (long)trap_14_wll((short)0x46,(long)(mask),(long)(mode))
+#define Vnext(mask,mode) \
+ (long)trap_14_wll((short)0x47,(long)(mask),(long)(mode))
+#define Vvalid(handle) \
+ (long)trap_14_ww((short)0x48,(short)(handle))
+#define Vload() \
+ (long)trap_14_w((short)0x49)
+#define Vsave() \
+ (long)trap_14_w((short)0x4a)
+#define Vopen() \
+ (long)trap_14_w((short)0x4b)
+#define Vclose() \
+ (long)trap_14_w((short)0x4c)
+#define Vscroll(scrollmode) \
+ (long)trap_14_ww((short)0x4d,(short)(scrollmode))
+#define Voffset() \
+ (long)trap_14_w((short)0x4e)
+#define Vseek() \
+ (long)trap_14_w((short)0x4f)
+#define Vlock(cmd) \
+ (long)trap_14_ww((short)0x50,(short)(cmd))
+#define SetMon(montype) \
+ (long)trap_14_ww((short)0x51,(short)(montype))
+#define MultiMon(cmd) \
+ (long)trap_14_ww((short)0x52,(short)(cmd))
+#define VSizeComp() \
+ (long)trap_14_w((short)0x53)
+#define Vsize(mode) \
+ (long)trap_14_wl((short)0x54,(long)(mode))
+
+/*--- Functions prototypes ---*/
+
+int SDL_XBIOS_CentscreenInit(_THIS);
+void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes);
+void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle);
+
+#endif /* _SDL_xbios_centscreen_h */
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_sb3.c b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_sb3.c
new file mode 100644
index 0000000..bcd610a
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_sb3.c
@@ -0,0 +1,86 @@
+/*
+ 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
+*/
+#include "SDL_config.h"
+
+/*
+ ScreenBlaster 3 functions
+
+ Patrice Mandin
+*/
+
+/*--- Includes ---*/
+
+#include "SDL_stdinc.h"
+#include "SDL_xbios.h"
+#include "SDL_xbios_sb3.h"
+
+/*--- Defines ---*/
+
+const int SDL_XBIOS_scpn_planes_device[]={
+ SCPN_DEV_1BPP,
+ SCPN_DEV_4BPP,
+ SCPN_DEV_8BPP,
+ SCPN_DEV_16BPP,
+ SCPN_DEV_2BPP,
+ SCPN_DEV_4BPP,
+ SCPN_DEV_1BPP
+};
+
+/*--- Functions ---*/
+
+int SDL_XBIOS_SB3Usable(scpn_cookie_t *cookie_scpn)
+{
+ scpn_screeninfo_t *scrinfo;
+ int bpp;
+
+ /* Check if current SB3 mode is usable, i.e. 8 or 16bpp */
+ scrinfo = cookie_scpn->screen_info;
+ bpp = 1<<(SDL_XBIOS_scpn_planes_device[scrinfo->device]);
+
+ if ((bpp==8) || (bpp==16)) {
+ return 1;
+ }
+
+ return 0;
+}
+
+void SDL_XBIOS_SB3Init(_THIS, scpn_cookie_t *cookie_scpn)
+{
+ scpn_screeninfo_t *scrinfo;
+
+ /* SB3 prevent changing video modes, we can only use current one */
+ if (XBIOS_modelist) {
+ SDL_free(XBIOS_modelist);
+ XBIOS_nummodes = 0;
+ XBIOS_modelist = NULL;
+ }
+
+ scrinfo = cookie_scpn->screen_info;
+ scrinfo->h_pos = scrinfo->v_pos = 0;
+
+ SDL_XBIOS_AddMode(this,
+ -1,
+ scrinfo->virtual_width, scrinfo->virtual_height,
+ 1<<(SDL_XBIOS_scpn_planes_device[scrinfo->device]),
+ SDL_FALSE
+ );
+}
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_sb3.h b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_sb3.h
new file mode 100644
index 0000000..5179d31
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios_sb3.h
@@ -0,0 +1,82 @@
+/*
+ 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
+*/
+#include "SDL_config.h"
+
+/*
+ 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_ */