static int
machine_load_rom_bank_from_file( memory_page* bank_map, size_t which,
int page_num, const char *filename,
size_t expected_length, int custom )
{
compat_fd fd;
int error;
utils_file rom;
fd = utils_find_auxiliary_file( filename, UTILS_AUXILIARY_ROM );
if( fd == COMPAT_FILE_OPEN_FAILED ) {
ui_error( UI_ERROR_ERROR, "couldn't find ROM '%s'", filename );
return 1;
}
error = utils_read_fd( fd, filename, &rom );
if( error ) return error;
if( rom.length != expected_length ) {
ui_error( UI_ERROR_ERROR,
"ROM '%s' is %ld bytes long; expected %ld bytes",
filename, (unsigned long)rom.length,
(unsigned long)expected_length );
utils_close_file( &rom );
return 1;
}
error = machine_load_rom_bank_from_buffer( bank_map, which, page_num,
rom.buffer, rom.length, custom );
error |= utils_close_file( &rom );
return error;
}
void
menu_help_keyboard( int action )
{
int error, fd;
utils_file file;
widget_picture_data info;
static const char *filename = "keyboard.scr";
fd = utils_find_auxiliary_file( filename, UTILS_AUXILIARY_LIB );
if( fd == -1 ) {
ui_error( UI_ERROR_ERROR, "couldn't find keyboard picture ('%s')",
filename );
return;
}
error = utils_read_fd( fd, filename, &file ); if( error ) return;
if( file.length != 6912 ) {
ui_error( UI_ERROR_ERROR, "keyboard picture ('%s') is not 6912 bytes long",
filename );
utils_close_file( &file );
return;
}
info.filename = filename;
info.screen = file.buffer;
info.border = 0;
widget_do( WIDGET_TYPE_PICTURE, &info );
if( utils_close_file( &file ) ) return;
}
/* Load a snap to start the current tape autoloading */
static int
tape_autoload( libspectrum_machine hardware )
{
int error; const char *id; compat_fd fd;
char filename[80];
utils_file snap;
libspectrum_id_t type;
id = machine_get_id( hardware );
if( !id ) {
ui_error( UI_ERROR_ERROR, "Unknown machine type %d!", hardware );
return 1;
}
/* Look for an autoload snap. Try .szx first, then .z80 */
type = LIBSPECTRUM_ID_SNAPSHOT_SZX;
snprintf( filename, sizeof(filename), "tape_%s.szx", id );
fd = utils_find_auxiliary_file( filename, UTILS_AUXILIARY_LIB );
if( fd == COMPAT_FILE_OPEN_FAILED ) {
type = LIBSPECTRUM_ID_SNAPSHOT_Z80;
snprintf( filename, sizeof(filename), "tape_%s.z80", id );
fd = utils_find_auxiliary_file( filename, UTILS_AUXILIARY_LIB );
}
/* If we couldn't find either, give up */
if( fd == COMPAT_FILE_OPEN_FAILED ) {
ui_error( UI_ERROR_ERROR,
"Couldn't find autoload snap for machine type '%s'", id );
return 1;
}
error = utils_read_fd( fd, filename, &snap );
if( error ) return error;
error = snapshot_read_buffer( snap.buffer, snap.length, type );
if( error ) { utils_close_file( &snap ); return error; }
if( utils_close_file( &snap ) ) {
ui_error( UI_ERROR_ERROR, "Couldn't close '%s': %s", filename,
strerror( errno ) );
return 1;
}
return 0;
}
