1.1 --- a/src/Makefile.am	Tue Jan 16 09:18:32 2007 +0000
     1.2 +++ b/src/Makefile.am	Tue Jan 16 10:34:46 2007 +0000
     1.3 @@ -23,7 +23,7 @@
     1.4          aica/aica.c aica/aica.h aica/audio.c aica/audio.h \
     1.5  	pvr2/pvr2.c pvr2/pvr2.h pvr2/pvr2mem.c \
     1.6  	pvr2/tacore.c pvr2/render.c pvr2/rendcore.c pvr2/rendbkg.c pvr2/rendsort.c \
     1.7 -	pvr2/texcache.c pvr2/yuv.c \
     1.8 +	pvr2/texcache.c pvr2/yuv.c pvr2/rendsave.c \
     1.9          maple/maple.c maple/maple.h \
    1.10          maple/controller.c maple/controller.h \
    1.11          gui/support.c gui/support.h \

     2.1 --- a/src/Makefile.in	Tue Jan 16 09:18:32 2007 +0000
     2.2 +++ b/src/Makefile.in	Tue Jan 16 10:34:46 2007 +0000
     2.3 @@ -157,7 +157,7 @@
     2.4          aica/aica.c aica/aica.h aica/audio.c aica/audio.h \
     2.5  	pvr2/pvr2.c pvr2/pvr2.h pvr2/pvr2mem.c \
     2.6  	pvr2/tacore.c pvr2/render.c pvr2/rendcore.c pvr2/rendbkg.c pvr2/rendsort.c \
     2.7 -	pvr2/texcache.c pvr2/yuv.c \
     2.8 +	pvr2/texcache.c pvr2/yuv.c pvr2/rendsave.c \
     2.9          maple/maple.c maple/maple.h \
    2.10          maple/controller.c maple/controller.h \
    2.11          gui/support.c gui/support.h \
    2.12 @@ -195,13 +195,13 @@
    2.13  	aica.$(OBJEXT) audio.$(OBJEXT) pvr2.$(OBJEXT) pvr2mem.$(OBJEXT) \
    2.14  	tacore.$(OBJEXT) render.$(OBJEXT) rendcore.$(OBJEXT) \
    2.15  	rendbkg.$(OBJEXT) rendsort.$(OBJEXT) texcache.$(OBJEXT) \
    2.16 -	yuv.$(OBJEXT) maple.$(OBJEXT) controller.$(OBJEXT) \
    2.17 -	support.$(OBJEXT) interface.$(OBJEXT) callbacks.$(OBJEXT) \
    2.18 -	gui.$(OBJEXT) mmr_win.$(OBJEXT) debug_win.$(OBJEXT) \
    2.19 -	dump_win.$(OBJEXT) loader.$(OBJEXT) bootstrap.$(OBJEXT) \
    2.20 -	util.$(OBJEXT) display.$(OBJEXT) audio_null.$(OBJEXT) \
    2.21 -	audio_esd.$(OBJEXT) video_null.$(OBJEXT) video_gtk.$(OBJEXT) \
    2.22 -	video_x11.$(OBJEXT) video_gl.$(OBJEXT)
    2.23 +	yuv.$(OBJEXT) rendsave.$(OBJEXT) maple.$(OBJEXT) \
    2.24 +	controller.$(OBJEXT) support.$(OBJEXT) interface.$(OBJEXT) \
    2.25 +	callbacks.$(OBJEXT) gui.$(OBJEXT) mmr_win.$(OBJEXT) \
    2.26 +	debug_win.$(OBJEXT) dump_win.$(OBJEXT) loader.$(OBJEXT) \
    2.27 +	bootstrap.$(OBJEXT) util.$(OBJEXT) display.$(OBJEXT) \
    2.28 +	audio_null.$(OBJEXT) audio_esd.$(OBJEXT) video_null.$(OBJEXT) \
    2.29 +	video_gtk.$(OBJEXT) video_x11.$(OBJEXT) video_gl.$(OBJEXT)
    2.30  lxdream_OBJECTS = $(am_lxdream_OBJECTS)
    2.31  lxdream_DEPENDENCIES =
    2.32  lxdream_LDFLAGS =
    2.33 @@ -227,16 +227,16 @@
    2.34  @AMDEP_TRUE@	./$(DEPDIR)/mmr_win.Po ./$(DEPDIR)/nrg.Po \
    2.35  @AMDEP_TRUE@	./$(DEPDIR)/pvr2.Po ./$(DEPDIR)/pvr2mem.Po \
    2.36  @AMDEP_TRUE@	./$(DEPDIR)/rendbkg.Po ./$(DEPDIR)/rendcore.Po \
    2.37 -@AMDEP_TRUE@	./$(DEPDIR)/render.Po ./$(DEPDIR)/rendsort.Po \
    2.38 -@AMDEP_TRUE@	./$(DEPDIR)/scif.Po ./$(DEPDIR)/sh4core.Po \
    2.39 -@AMDEP_TRUE@	./$(DEPDIR)/sh4dasm.Po ./$(DEPDIR)/sh4mem.Po \
    2.40 -@AMDEP_TRUE@	./$(DEPDIR)/sh4mmio.Po ./$(DEPDIR)/support.Po \
    2.41 -@AMDEP_TRUE@	./$(DEPDIR)/syscall.Po ./$(DEPDIR)/tacore.Po \
    2.42 -@AMDEP_TRUE@	./$(DEPDIR)/texcache.Po ./$(DEPDIR)/timer.Po \
    2.43 -@AMDEP_TRUE@	./$(DEPDIR)/util.Po ./$(DEPDIR)/video_gl.Po \
    2.44 -@AMDEP_TRUE@	./$(DEPDIR)/video_gtk.Po ./$(DEPDIR)/video_null.Po \
    2.45 -@AMDEP_TRUE@	./$(DEPDIR)/video_x11.Po ./$(DEPDIR)/watch.Po \
    2.46 -@AMDEP_TRUE@	./$(DEPDIR)/yuv.Po
    2.47 +@AMDEP_TRUE@	./$(DEPDIR)/render.Po ./$(DEPDIR)/rendsave.Po \
    2.48 +@AMDEP_TRUE@	./$(DEPDIR)/rendsort.Po ./$(DEPDIR)/scif.Po \
    2.49 +@AMDEP_TRUE@	./$(DEPDIR)/sh4core.Po ./$(DEPDIR)/sh4dasm.Po \
    2.50 +@AMDEP_TRUE@	./$(DEPDIR)/sh4mem.Po ./$(DEPDIR)/sh4mmio.Po \
    2.51 +@AMDEP_TRUE@	./$(DEPDIR)/support.Po ./$(DEPDIR)/syscall.Po \
    2.52 +@AMDEP_TRUE@	./$(DEPDIR)/tacore.Po ./$(DEPDIR)/texcache.Po \
    2.53 +@AMDEP_TRUE@	./$(DEPDIR)/timer.Po ./$(DEPDIR)/util.Po \
    2.54 +@AMDEP_TRUE@	./$(DEPDIR)/video_gl.Po ./$(DEPDIR)/video_gtk.Po \
    2.55 +@AMDEP_TRUE@	./$(DEPDIR)/video_null.Po ./$(DEPDIR)/video_x11.Po \
    2.56 +@AMDEP_TRUE@	./$(DEPDIR)/watch.Po ./$(DEPDIR)/yuv.Po
    2.57  COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
    2.58  	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
    2.59  CCLD = $(CC)
    2.60 @@ -325,6 +325,7 @@
    2.61  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rendbkg.Po@am__quote@
    2.62  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rendcore.Po@am__quote@
    2.63  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/render.Po@am__quote@
    2.64 +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rendsave.Po@am__quote@
    2.65  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rendsort.Po@am__quote@
    2.66  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/scif.Po@am__quote@
    2.67  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sh4core.Po@am__quote@
    2.68 @@ -960,6 +961,28 @@
    2.69  @AMDEP_TRUE@@am__fastdepCC_FALSE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
    2.70  @am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o yuv.obj `if test -f 'pvr2/yuv.c'; then $(CYGPATH_W) 'pvr2/yuv.c'; else $(CYGPATH_W) '$(srcdir)/pvr2/yuv.c'; fi`
    2.71  
    2.72 +rendsave.o: pvr2/rendsave.c
    2.73 +@am__fastdepCC_TRUE@	if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT rendsave.o -MD -MP -MF "$(DEPDIR)/rendsave.Tpo" \
    2.74 +@am__fastdepCC_TRUE@	  -c -o rendsave.o `test -f 'pvr2/rendsave.c' || echo '$(srcdir)/'`pvr2/rendsave.c; \
    2.75 +@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/rendsave.Tpo" "$(DEPDIR)/rendsave.Po"; \
    2.76 +@am__fastdepCC_TRUE@	else rm -f "$(DEPDIR)/rendsave.Tpo"; exit 1; \
    2.77 +@am__fastdepCC_TRUE@	fi
    2.78 +@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pvr2/rendsave.c' object='rendsave.o' libtool=no @AMDEPBACKSLASH@
    2.79 +@AMDEP_TRUE@@am__fastdepCC_FALSE@	depfile='$(DEPDIR)/rendsave.Po' tmpdepfile='$(DEPDIR)/rendsave.TPo' @AMDEPBACKSLASH@
    2.80 +@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
    2.81 +@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o rendsave.o `test -f 'pvr2/rendsave.c' || echo '$(srcdir)/'`pvr2/rendsave.c
    2.82 +
    2.83 +rendsave.obj: pvr2/rendsave.c
    2.84 +@am__fastdepCC_TRUE@	if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT rendsave.obj -MD -MP -MF "$(DEPDIR)/rendsave.Tpo" \
    2.85 +@am__fastdepCC_TRUE@	  -c -o rendsave.obj `if test -f 'pvr2/rendsave.c'; then $(CYGPATH_W) 'pvr2/rendsave.c'; else $(CYGPATH_W) '$(srcdir)/pvr2/rendsave.c'; fi`; \
    2.86 +@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/rendsave.Tpo" "$(DEPDIR)/rendsave.Po"; \
    2.87 +@am__fastdepCC_TRUE@	else rm -f "$(DEPDIR)/rendsave.Tpo"; exit 1; \
    2.88 +@am__fastdepCC_TRUE@	fi
    2.89 +@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pvr2/rendsave.c' object='rendsave.obj' libtool=no @AMDEPBACKSLASH@
    2.90 +@AMDEP_TRUE@@am__fastdepCC_FALSE@	depfile='$(DEPDIR)/rendsave.Po' tmpdepfile='$(DEPDIR)/rendsave.TPo' @AMDEPBACKSLASH@
    2.91 +@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
    2.92 +@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o rendsave.obj `if test -f 'pvr2/rendsave.c'; then $(CYGPATH_W) 'pvr2/rendsave.c'; else $(CYGPATH_W) '$(srcdir)/pvr2/rendsave.c'; fi`
    2.93 +
    2.94  maple.o: maple/maple.c
    2.95  @am__fastdepCC_TRUE@	if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT maple.o -MD -MP -MF "$(DEPDIR)/maple.Tpo" \
    2.96  @am__fastdepCC_TRUE@	  -c -o maple.o `test -f 'maple/maple.c' || echo '$(srcdir)/'`maple/maple.c; \

     3.1 --- a/src/dreamcast.c	Tue Jan 16 09:18:32 2007 +0000
     3.2 +++ b/src/dreamcast.c	Tue Jan 16 10:34:46 2007 +0000
     3.3 @@ -1,5 +1,5 @@
     3.4  /**
     3.5 - * $Id: dreamcast.c,v 1.20 2007-01-12 10:16:02 nkeynes Exp $
     3.6 + * $Id: dreamcast.c,v 1.21 2007-01-16 10:34:46 nkeynes Exp $
     3.7   * Central switchboard for the system. This pulls all the individual modules
     3.8   * together into some kind of coherent structure. This is also where you'd
     3.9   * add Naomi support, if I ever get a board to play with...
    3.10 @@ -371,9 +371,6 @@
    3.11  
    3.12  /********************************* Save States *****************************/
    3.13  
    3.14 -#define DREAMCAST_SAVE_MAGIC "%!-lxDream!Save\0"
    3.15 -#define DREAMCAST_SAVE_VERSION 0x00010000
    3.16 -
    3.17  struct save_state_header {
    3.18      char magic[16];
    3.19      uint32_t version;

     4.1 --- a/src/dreamcast.h	Tue Jan 16 09:18:32 2007 +0000
     4.2 +++ b/src/dreamcast.h	Tue Jan 16 10:34:46 2007 +0000
     4.3 @@ -1,5 +1,5 @@
     4.4  /**
     4.5 - * $Id: dreamcast.h,v 1.11 2006-07-02 04:59:00 nkeynes Exp $
     4.6 + * $Id: dreamcast.h,v 1.12 2007-01-16 10:34:46 nkeynes Exp $
     4.7   *
     4.8   * Public interface for dreamcast.c -
     4.9   * Central switchboard for the system. This pulls all the individual modules
    4.10 @@ -58,9 +58,15 @@
    4.11  gboolean dreamcast_load_config( const gchar *filename );
    4.12  gboolean dreamcast_save_config( const gchar *filename );
    4.13  
    4.14 +#define DREAMCAST_SAVE_MAGIC "%!-lxDream!Save\0"
    4.15 +#define DREAMCAST_SAVE_VERSION 0x00010000
    4.16 +
    4.17  int dreamcast_save_state( const gchar *filename );
    4.18  int dreamcast_load_state( const gchar *filename );
    4.19  
    4.20 +#define SCENE_SAVE_MAGIC "%!-lxDream!Scene"
    4.21 +#define SCENE_SAVE_VERSION 0x00010000
    4.22 +
    4.23  extern struct dreamcast_config_group dreamcast_config_root[];
    4.24  
    4.25  /* Global config values */

     5.1 --- a/src/pvr2/pvr2.c	Tue Jan 16 09:18:32 2007 +0000
     5.2 +++ b/src/pvr2/pvr2.c	Tue Jan 16 10:34:46 2007 +0000
     5.3 @@ -1,5 +1,5 @@
     5.4  /**
     5.5 - * $Id: pvr2.c,v 1.39 2007-01-15 08:32:09 nkeynes Exp $
     5.6 + * $Id: pvr2.c,v 1.40 2007-01-16 10:34:46 nkeynes Exp $
     5.7   *
     5.8   * PVR2 (Video) Core module implementation and MMIO registers.
     5.9   *
    5.10 @@ -69,7 +69,7 @@
    5.11      uint32_t irq_vpos1;
    5.12      uint32_t irq_vpos2;
    5.13      uint32_t odd_even_field; /* 1 = odd, 0 = even */
    5.14 -
    5.15 +    gchar *save_next_render_filename;
    5.16      /* timing */
    5.17      uint32_t dot_clock;
    5.18      uint32_t total_lines;
    5.19 @@ -123,6 +123,7 @@
    5.20      texcache_init();
    5.21      pvr2_reset();
    5.22      pvr2_ta_reset();
    5.23 +    pvr2_state.save_next_render_filename = NULL;
    5.24  }
    5.25  
    5.26  static void pvr2_reset( void )
    5.27 @@ -150,13 +151,17 @@
    5.28  {
    5.29      fwrite( &pvr2_state, sizeof(pvr2_state), 1, f );
    5.30      pvr2_ta_save_state( f );
    5.31 +    pvr2_yuv_save_state( f );
    5.32  }
    5.33  
    5.34  static int pvr2_load_state( FILE *f )
    5.35  {
    5.36      if( fread( &pvr2_state, sizeof(pvr2_state), 1, f ) != 1 )
    5.37  	return 1;
    5.38 -    return pvr2_ta_load_state(f);
    5.39 +    if( pvr2_ta_load_state(f) ) {
    5.40 +	return 1;
    5.41 +    }
    5.42 +    return pvr2_yuv_load_state(f);
    5.43  }
    5.44  
    5.45  /**
    5.46 @@ -202,6 +207,17 @@
    5.47      return pvr2_state.frame_count;
    5.48  }
    5.49  
    5.50 +gboolean pvr2_save_next_scene( const gchar *filename )
    5.51 +{
    5.52 +    if( pvr2_state.save_next_render_filename != NULL ) {
    5.53 +	g_free( pvr2_state.save_next_render_filename );
    5.54 +    } 
    5.55 +    pvr2_state.save_next_render_filename = g_strdup(filename);
    5.56 +    return TRUE;
    5.57 +}
    5.58 +
    5.59 +
    5.60 +
    5.61  /**
    5.62   * Display the next frame, copying the current contents of video ram to
    5.63   * the window. If the video configuration has changed, first recompute the
    5.64 @@ -288,9 +304,15 @@
    5.65  	val &= 0x00000007; /* Do stuff? */
    5.66  	MMIO_WRITE( PVR2, reg, val );
    5.67  	break;
    5.68 -    case RENDER_START:
    5.69 -	if( val == 0xFFFFFFFF || val == 0x00000001 )
    5.70 -	    pvr2_render_scene();
    5.71 +    case RENDER_START: /* Don't really care what value */
    5.72 +	if( pvr2_state.save_next_render_filename != NULL ) {
    5.73 +	    if( pvr2_render_save_scene(pvr2_state.save_next_render_filename) == 0 ) {
    5.74 +		INFO( "Saved scene to %s", pvr2_state.save_next_render_filename);
    5.75 +	    }
    5.76 +	    g_free( pvr2_state.save_next_render_filename );
    5.77 +	    pvr2_state.save_next_render_filename = NULL;
    5.78 +	}
    5.79 +	pvr2_render_scene();
    5.80  	break;
    5.81      case RENDER_POLYBASE:
    5.82      	MMIO_WRITE( PVR2, reg, val&0x00F00000 );

     6.1 --- a/src/pvr2/pvr2.h	Tue Jan 16 09:18:32 2007 +0000
     6.2 +++ b/src/pvr2/pvr2.h	Tue Jan 16 10:34:46 2007 +0000
     6.3 @@ -1,5 +1,5 @@
     6.4  /**
     6.5 - * $Id: pvr2.h,v 1.21 2007-01-15 12:58:05 nkeynes Exp $
     6.6 + * $Id: pvr2.h,v 1.22 2007-01-16 10:34:46 nkeynes Exp $
     6.7   *
     6.8   * PVR2 (video chip) functions and macros.
     6.9   *
    6.10 @@ -64,6 +64,7 @@
    6.11  void pvr2_next_frame( void );
    6.12  void pvr2_set_base_address( uint32_t );
    6.13  int pvr2_get_frame_count( void );
    6.14 +gboolean pvr2_save_next_scene( const gchar *filename );
    6.15  
    6.16  #define PVR2_CMD_END_OF_LIST 0x00
    6.17  #define PVR2_CMD_USER_CLIP   0x20

     7.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     7.2 +++ b/src/pvr2/rendsave.c	Tue Jan 16 10:34:46 2007 +0000
     7.3 @@ -0,0 +1,97 @@
     7.4 +/**
     7.5 + * $Id: rendsave.c,v 1.1 2007-01-16 10:34:46 nkeynes Exp $
     7.6 + *
     7.7 + * Scene-save support. This is mainly for test/debug purposes.
     7.8 + *
     7.9 + * Copyright (c) 2005 Nathan Keynes.
    7.10 + *
    7.11 + * This program is free software; you can redistribute it and/or modify
    7.12 + * it under the terms of the GNU General Public License as published by
    7.13 + * the Free Software Foundation; either version 2 of the License, or
    7.14 + * (at your option) any later version.
    7.15 + *
    7.16 + * This program is distributed in the hope that it will be useful,
    7.17 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    7.18 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    7.19 + * GNU General Public License for more details.
    7.20 + */
    7.21 +
    7.22 +#include <stdio.h>
    7.23 +#include <errno.h>
    7.24 +#include <time.h>
    7.25 +#include "pvr2/pvr2.h"
    7.26 +#include "dreamcast.h"
    7.27 +
    7.28 +/**
    7.29 + * Size of pages for the purposes of saving - this has nothing to do with the 
    7.30 + * actual page size, of course.
    7.31 + */
    7.32 +#define SAVE_PAGE_SIZE 1024
    7.33 +#define SAVE_PAGE_COUNT 8192
    7.34 +
    7.35 +extern char *video_base;
    7.36 +
    7.37 +/* Determine pages of memory to save. Start walking from the render tilemap
    7.38 + * data and build up a page list
    7.39 + */
    7.40 +static void pvr2_find_referenced_pages( char *pages )
    7.41 +{
    7.42 +    /* Dummy implementation - save everything */
    7.43 +    memset( pages, 1, SAVE_PAGE_COUNT );
    7.44 +}
    7.45 +
    7.46 +/**
    7.47 + * Save the current rendering data to a file for later analysis.
    7.48 + * @return 0 on success, non-zero on failure.
    7.49 + */
    7.50 +int pvr2_render_save_scene( const gchar *filename )
    7.51 +{
    7.52 +    struct header {
    7.53 +	char magic[16];
    7.54 +	uint32_t version;
    7.55 +	uint32_t timestamp;
    7.56 +	uint32_t frame_count;
    7.57 +    } scene_header;
    7.58 +
    7.59 +    char page_map[SAVE_PAGE_COUNT];
    7.60 +    int i,j;
    7.61 +    pvr2_find_referenced_pages(page_map);
    7.62 +    
    7.63 +    FILE *f = fopen( filename, "wo" ); 
    7.64 +    if( f == NULL ) {
    7.65 +	ERROR( "Unable to open file '%s' to write scene data: %s", filename, strerror(errno) );
    7.66 +	return -1;
    7.67 +    }
    7.68 +
    7.69 +    /* Header */
    7.70 +    memcpy( scene_header.magic, SCENE_SAVE_MAGIC, 16 );
    7.71 +    scene_header.version = SCENE_SAVE_VERSION;
    7.72 +    scene_header.timestamp = time(NULL);
    7.73 +    scene_header.frame_count = pvr2_get_frame_count();
    7.74 +    fwrite( &scene_header, sizeof(scene_header), 1, f );
    7.75 +
    7.76 +    /* PVR2 registers - could probably be more specific, but doesn't 
    7.77 +     * really use a lot of space. Loader is assumed to know which
    7.78 +     * registers actually need to be set.
    7.79 +     */
    7.80 +    fwrite( mmio_region_PVR2.mem, 0x1000, 1, f );
    7.81 +    fwrite( mmio_region_PVR2PAL.mem, 0x1000, 1, f );
    7.82 +
    7.83 +    /* Write out the VRAM pages we care about */
    7.84 +    for( i=0; i<SAVE_PAGE_COUNT; i++ ) {
    7.85 +	if( page_map[i] != 0 ) {
    7.86 +	    for( j=i+1; j<SAVE_PAGE_COUNT && page_map[j] != 0; j++ );
    7.87 +	    /* Write region from i..j-1 */
    7.88 +	    uint32_t start = i * SAVE_PAGE_SIZE;
    7.89 +	    uint32_t length = (j-i) * SAVE_PAGE_SIZE;
    7.90 +	    fwrite( &start, sizeof(uint32_t), 1, f );
    7.91 +	    fwrite( &length, sizeof(uint32_t), 1, f );
    7.92 +	    fwrite( video_base + start, 1, length, f );
    7.93 +	    i = j-1;
    7.94 +	}
    7.95 +    }
    7.96 +    /* Write out the EOF marker */
    7.97 +    uint32_t eof = 0xFFFFFFFF;
    7.98 +    fwrite( &eof, sizeof(uint32_t), 1, f );
    7.99 +    fclose( f );
   7.100 +}