1.1 --- a/src/dreamcast.c	Wed Jun 24 06:06:40 2009 +0000
     1.2 +++ b/src/dreamcast.c	Thu Jun 25 21:21:18 2009 +0000
     1.3 @@ -19,6 +19,7 @@
     1.4  
     1.5  #include <errno.h>
     1.6  #include <glib.h>
     1.7 +#include <unistd.h>
     1.8  #include "lxdream.h"
     1.9  #include "dream.h"
    1.10  #include "mem.h"
    1.11 @@ -48,6 +49,7 @@
    1.12  static sh4addr_t dreamcast_entry_point = 0xA0000000;
    1.13  static uint32_t timeslice_length = DEFAULT_TIMESLICE_LENGTH;
    1.14  static uint64_t run_time_nanosecs = 0;
    1.15 +static unsigned int quick_save_state = -1;
    1.16  
    1.17  #define MAX_MODULES 32
    1.18  static int num_modules = 0;
    1.19 @@ -118,7 +120,7 @@
    1.20      dreamcast_register_module( &aica_module );
    1.21      dreamcast_register_module( &maple_module );
    1.22      dreamcast_register_module( &ide_module );
    1.23 -    
    1.24 +
    1.25      g_free(bios_path);
    1.26      g_free(flash_path);
    1.27  }
    1.28 @@ -502,6 +504,77 @@
    1.29      return 0;
    1.30  }
    1.31  
    1.32 +/********************** Quick save state support ***********************/
    1.33 +/* This section doesn't necessarily belong here, but it probably makes the
    1.34 + * most sense here next to the regular save/load functions
    1.35 + */
    1.36 +
    1.37 +static gchar *get_quick_state_filename( int state )
    1.38 +{
    1.39 +    gchar *path = lxdream_get_global_config_path_value(CONFIG_SAVE_PATH);
    1.40 +    gchar *str = g_strdup_printf( QUICK_STATE_FILENAME, path, state );
    1.41 +    g_free( path );
    1.42 +    return str;
    1.43 +}
    1.44 +
    1.45 +
    1.46 +static void dreamcast_quick_state_init()
    1.47 +{
    1.48 +    const char *state = lxdream_get_global_config_value(CONFIG_QUICK_STATE);
    1.49 +    if( state != NULL ) {
    1.50 +        quick_save_state = atoi(state);
    1.51 +        if( quick_save_state > MAX_QUICK_STATE ) {
    1.52 +            quick_save_state = 0;
    1.53 +        }
    1.54 +    } else {
    1.55 +        quick_save_state = 0;
    1.56 +    }
    1.57 +}
    1.58 +
    1.59 +void dreamcast_quick_save()
    1.60 +{
    1.61 +    if( quick_save_state == -1 ) 
    1.62 +        dreamcast_quick_state_init();
    1.63 +    gchar *str = get_quick_state_filename(quick_save_state);
    1.64 +    dreamcast_save_state(str);
    1.65 +    g_free(str);
    1.66 +}
    1.67 +
    1.68 +void dreamcast_quick_load()
    1.69 +{
    1.70 +    if( quick_save_state == -1 ) 
    1.71 +        dreamcast_quick_state_init();
    1.72 +    gchar *str = get_quick_state_filename(quick_save_state);
    1.73 +    dreamcast_load_state(str);
    1.74 +    g_free(str);
    1.75 +}
    1.76 +
    1.77 +unsigned int dreamcast_get_quick_state( )
    1.78 +{
    1.79 +    if( quick_save_state == -1 ) 
    1.80 +        dreamcast_quick_state_init();
    1.81 +    return quick_save_state;
    1.82 +}
    1.83 +
    1.84 +void dreamcast_set_quick_state( unsigned int state )
    1.85 +{
    1.86 +    if( state <= MAX_QUICK_STATE && state != quick_save_state ) {
    1.87 +        quick_save_state = state;
    1.88 +        char buf[3];
    1.89 +        sprintf( buf, "%d", quick_save_state );
    1.90 +        lxdream_set_global_config_value(CONFIG_QUICK_STATE, buf);
    1.91 +        lxdream_save_config();
    1.92 +    }
    1.93 +}
    1.94 +
    1.95 +gboolean dreamcast_has_quick_state( unsigned int state )
    1.96 +{
    1.97 +    gchar *str = get_quick_state_filename(state);
    1.98 +    int result = access(str, R_OK);
    1.99 +    g_free(str);
   1.100 +    return result == 0 ? TRUE : FALSE;
   1.101 +}
   1.102 +
   1.103  /********************* The Boot ROM address space **********************/
   1.104  static int32_t FASTCALL ext_bootrom_read_long( sh4addr_t addr )
   1.105  {