int
dck_reset( void )
{
utils_file file;
size_t num_block = 0;
libspectrum_dck *dck;
int error;
dck_active = 0;
if( !settings_current.dck_file ) {
ui_menu_activate( UI_MENU_ITEM_MEDIA_CARTRIDGE_DOCK_EJECT, 0 );
return 0;
}
dck = libspectrum_dck_alloc();
error = utils_read_file( settings_current.dck_file, &file );
if( error ) { libspectrum_dck_free( dck, 0 ); return error; }
error = libspectrum_dck_read2( dck, file.buffer, file.length,
settings_current.dck_file );
if( error ) {
utils_close_file( &file ); libspectrum_dck_free( dck, 0 ); return error;
}
utils_close_file( &file );
while( dck->dck[num_block] != NULL ) {
memory_page *page;
int i;
libspectrum_dck_bank dck_bank = dck->dck[num_block]->bank;
if( dck_bank != LIBSPECTRUM_DCK_BANK_HOME &&
dck_bank != LIBSPECTRUM_DCK_BANK_DOCK &&
dck_bank != LIBSPECTRUM_DCK_BANK_EXROM ) {
ui_error( UI_ERROR_INFO, "Sorry, bank ID %i is unsupported",
dck->dck[num_block]->bank );
libspectrum_dck_free( dck, 0 );
return 1;
}
for( i = 0; i < 8; i++ ) {
libspectrum_byte *data;
int j;
switch( dck->dck[num_block]->access[i] ) {
case LIBSPECTRUM_DCK_PAGE_NULL:
break;
case LIBSPECTRUM_DCK_PAGE_ROM:
data = memory_pool_allocate( 0x2000 );
memcpy( data, dck->dck[num_block]->pages[i], 0x2000 );
for( j = 0; j < MEMORY_PAGES_IN_8K; j++ ) {
page = dck_get_memory_page( dck_bank, i * MEMORY_PAGES_IN_8K + j);
page->offset = j * MEMORY_PAGE_SIZE;
page->writable = 0;
page->save_to_snapshot = 1;
page->page = data + page->offset;
}
break;
case LIBSPECTRUM_DCK_PAGE_RAM_EMPTY:
case LIBSPECTRUM_DCK_PAGE_RAM:
/* Because the scr and snapshot code depends on the standard
memory map being in the RAM[] array, we just copy RAM
blocks from the HOME bank into the appropriate page; in
other cases, we allocate ourselves a new page to store the
contents in */
if( dck_bank == LIBSPECTRUM_DCK_BANK_HOME && i>1 ) {
for( j = 0; j < MEMORY_PAGES_IN_8K; j++ ) {
page = dck_get_memory_page( dck_bank, i * MEMORY_PAGES_IN_8K + j);
if( dck->dck[num_block]->access[i] == LIBSPECTRUM_DCK_PAGE_RAM ) {
memcpy( page->page,
dck->dck[num_block]->pages[i] + j * MEMORY_PAGE_SIZE,
MEMORY_PAGE_SIZE );
} else {
memset( page->page, 0, MEMORY_PAGE_SIZE );
}
}
} else {
data = memory_pool_allocate( 0x2000 );
if( dck->dck[num_block]->access[i] == LIBSPECTRUM_DCK_PAGE_RAM ) {
memcpy( data, dck->dck[num_block]->pages[i], 0x2000 );
} else {
memset( data, 0, 0x2000 );
}
for( j = 0; j < MEMORY_PAGES_IN_8K; j++ ) {
page = dck_get_memory_page( dck_bank, i * MEMORY_PAGES_IN_8K + j);
page->offset = j * MEMORY_PAGE_SIZE;
page->writable = 1;
page->save_to_snapshot = 1;
page->page = data + page->offset;
}
}
break;
}
}
num_block++;
}
dck_active = 1;
/* Reset contention for pages */
scld_set_exrom_dock_contention();
/* Make the menu item to eject the cartridge active */
ui_menu_activate( UI_MENU_ITEM_MEDIA_CARTRIDGE_DOCK_EJECT, 1 );
return libspectrum_dck_free( dck, 0 );
}
int
dck_reset( void )
{
utils_file file;
size_t num_block = 0;
libspectrum_dck *dck;
int error;
dck_active = 0;
if( !settings_current.dck_file ) {
ui_menu_activate( UI_MENU_ITEM_MEDIA_CARTRIDGE_DOCK_EJECT, 0 );
return 0;
}
dck = libspectrum_dck_alloc();
error = utils_read_file( settings_current.dck_file, &file );
if( error ) { libspectrum_dck_free( dck, 0 ); return error; }
error = libspectrum_dck_read2( dck, file.buffer, file.length,
settings_current.dck_file );
if( error ) {
utils_close_file( &file ); libspectrum_dck_free( dck, 0 ); return error;
}
if( utils_close_file( &file ) ) {
libspectrum_dck_free( dck, 0 );
return 1;
}
while( dck->dck[num_block] != NULL ) {
memory_page **mem;
int i;
switch( dck->dck[num_block]->bank ) {
case LIBSPECTRUM_DCK_BANK_HOME:
mem = memory_map_home;
break;
case LIBSPECTRUM_DCK_BANK_DOCK:
mem = memory_map_dock;
break;
case LIBSPECTRUM_DCK_BANK_EXROM:
mem = memory_map_exrom;
break;
default:
ui_error( UI_ERROR_INFO, "Sorry, bank ID %i is unsupported",
dck->dck[num_block]->bank );
libspectrum_dck_free( dck, 0 );
return 1;
}
for( i = 0; i < 8; i++ ) {
switch( dck->dck[num_block]->access[i] ) {
case LIBSPECTRUM_DCK_PAGE_NULL:
break;
case LIBSPECTRUM_DCK_PAGE_ROM:
mem[i]->page = memory_pool_allocate( MEMORY_PAGE_SIZE );
if( !mem[i]->page ) return 1;
memcpy( mem[i]->page, dck->dck[num_block]->pages[i],
MEMORY_PAGE_SIZE );
mem[i]->writable = 0;
mem[i]->source = MEMORY_SOURCE_CARTRIDGE;
break;
case LIBSPECTRUM_DCK_PAGE_RAM_EMPTY:
case LIBSPECTRUM_DCK_PAGE_RAM:
/* Because the scr and snapshot code depends on the standard
memory map being in the RAM[] array, we just copy RAM
blocks from the HOME bank into the appropriate page; in
other cases, we allocate ourselves a new page to store the
contents in */
if( !(dck->dck[num_block]->bank == LIBSPECTRUM_DCK_BANK_HOME && i>1) ) {
mem[i]->page = memory_pool_allocate( MEMORY_PAGE_SIZE );
if( !mem[i]->page ) return 1;
mem[i]->writable = 1;
}
mem[i]->source = MEMORY_SOURCE_CARTRIDGE;
memcpy( mem[i]->page, dck->dck[num_block]->pages[i],
MEMORY_PAGE_SIZE );
break;
}
}
num_block++;
}
dck_active = 1;
/* Make the menu item to eject the cartridge active */
ui_menu_activate( UI_MENU_ITEM_MEDIA_CARTRIDGE_DOCK_EJECT, 1 );
return libspectrum_dck_free( dck, 0 );
}
