internal static void configure(int min_version, int max_version)
{
// buffer = new zbyte_t[tx_h.PAGE_SIZE];
int i;
buffer = new zbyte_t[gfp.Length];
gfp.Read(buffer, 0, buffer.Length);
//#if !defined(lint)
// assert (sizeof (zheader_t) == 64);
// assert (sizeof (zheader_t) <= PAGE_SIZE);
//#endif /* !defined(lint) */
// read_page(0, buffer);
tx_h.datap = buffer;
header = new tx_h.zheader_t();
header.version = tx_h.get_byte(tx_h.H_VERSION);
header.config = tx_h.get_byte(tx_h.H_CONFIG);
header.release = tx_h.get_word(tx_h.H_RELEASE);
header.resident_size = tx_h.get_word(tx_h.H_RESIDENT_SIZE);
header.start_pc = tx_h.get_word(tx_h.H_START_PC);
header.dictionary = tx_h.get_word(tx_h.H_DICTIONARY);
header.objects = tx_h.get_word(tx_h.H_OBJECTS);
header.globals = tx_h.get_word(tx_h.H_GLOBALS);
header.dynamic_size = tx_h.get_word(tx_h.H_DYNAMIC_SIZE);
header.flags = tx_h.get_word(tx_h.H_FLAGS);
for (i = 0; i < header.serial.Length; i++)
header.serial[i] = tx_h.get_byte(tx_h.H_SERIAL + i);
header.abbreviations = tx_h.get_word(tx_h.H_ABBREVIATIONS);
header.file_size = tx_h.get_word(tx_h.H_FILE_SIZE);
header.checksum = tx_h.get_word(tx_h.H_CHECKSUM);
header.interpreter_number = tx_h.get_byte(tx_h.H_INTERPRETER_NUMBER);
header.interpreter_version = tx_h.get_byte(tx_h.H_INTERPRETER_VERSION);
header.screen_rows = tx_h.get_byte(tx_h.H_SCREEN_ROWS);
header.screen_columns = tx_h.get_byte(tx_h.H_SCREEN_COLUMNS);
header.screen_width = tx_h.get_word(tx_h.H_SCREEN_WIDTH);
header.screen_height = tx_h.get_word(tx_h.H_SCREEN_HEIGHT);
if (header.version != tx_h.V6)
{
header.font_width = (byte)tx_h.get_word(tx_h.H_FONT_WIDTH);
header.font_height = tx_h.get_byte(tx_h.H_FONT_HEIGHT);
}
else
{
header.font_width = (byte)tx_h.get_word(tx_h.H_FONT_HEIGHT);
header.font_height = tx_h.get_byte(tx_h.H_FONT_WIDTH);
}
header.routines_offset = tx_h.get_word(tx_h.H_ROUTINES_OFFSET);
header.strings_offset = tx_h.get_word(tx_h.H_STRINGS_OFFSET);
header.default_background = tx_h.get_byte(tx_h.H_DEFAULT_BACKGROUND);
header.default_foreground = tx_h.get_byte(tx_h.H_DEFAULT_FOREGROUND);
header.terminating_keys = tx_h.get_word(tx_h.H_TERMINATING_KEYS);
header.line_width = tx_h.get_word(tx_h.H_LINE_WIDTH);
header.specification_hi = tx_h.get_byte(tx_h.H_SPECIFICATION_HI);
header.specification_lo = tx_h.get_byte(tx_h.H_SPECIFICATION_LO);
header.alphabet = tx_h.get_word(tx_h.H_ALPHABET);
header.mouse_table = tx_h.get_word(tx_h.H_MOUSE_TABLE);
for (i = 0; i < header.name.Length; i++)
header.name[i] = tx_h.get_byte(tx_h.H_NAME + i);
if ((uint)header.version < (uint)min_version ||
(uint)header.version > (uint)max_version ||
((uint)header.config & tx_h.CONFIG_BYTE_SWAPPED) != 0)
{
throw new ArgumentException("\nFatal: wrong game or version\n");
}
if ((uint)header.version < tx_h.V4)
{
story_scaler = 2;
story_shift = 1;
code_scaler = 2;
code_shift = 1;
property_mask = tx_h.P3_MAX_PROPERTIES - 1;
property_size_mask = 0xe0;
}
else if ((uint)header.version < tx_h.V6)
{
story_scaler = 4;
story_shift = 2;
code_scaler = 4;
code_shift = 2;
property_mask = tx_h.P4_MAX_PROPERTIES - 1;
property_size_mask = 0x3f;
}
else if ((uint)header.version < tx_h.V8)
{
story_scaler = 8;
story_shift = 3;
code_scaler = 4;
code_shift = 2;
property_mask = tx_h.P4_MAX_PROPERTIES - 1;
property_size_mask = 0x3f;
}
else
{
story_scaler = 8;
story_shift = 3;
code_scaler = 8;
code_shift = 3;
property_mask = tx_h.P4_MAX_PROPERTIES - 1;
property_size_mask = 0x3f;
}
/* Calculate the file size */
if ((uint)header.file_size == 0)
{
throw new ArgumentException("Can't handle files with no length. Giving up!");
// file_size = get_story_size();
}
else if ((uint)header.version <= tx_h.V3)
file_size = header.file_size * 2;
else if ((uint)header.version <= tx_h.V5)
file_size = header.file_size * 4;
else
file_size = header.file_size * 8;
}/* configure */
internal static void configure(int min_version, int max_version)
{
// buffer = new zbyte_t[tx_h.PAGE_SIZE];
int i;
buffer = new zbyte_t[gfp.Length];
gfp.Read(buffer, 0, buffer.Length);
//#if !defined(lint)
// assert (sizeof (zheader_t) == 64);
// assert (sizeof (zheader_t) <= PAGE_SIZE);
//#endif /* !defined(lint) */
// read_page(0, buffer);
tx_h.datap = buffer;
header = new tx_h.zheader_t();
header.version = tx_h.get_byte(tx_h.H_VERSION);
header.config = tx_h.get_byte(tx_h.H_CONFIG);
header.release = tx_h.get_word(tx_h.H_RELEASE);
header.resident_size = tx_h.get_word(tx_h.H_RESIDENT_SIZE);
header.start_pc = tx_h.get_word(tx_h.H_START_PC);
header.dictionary = tx_h.get_word(tx_h.H_DICTIONARY);
header.objects = tx_h.get_word(tx_h.H_OBJECTS);
header.globals = tx_h.get_word(tx_h.H_GLOBALS);
header.dynamic_size = tx_h.get_word(tx_h.H_DYNAMIC_SIZE);
header.flags = tx_h.get_word(tx_h.H_FLAGS);
for (i = 0; i < header.serial.Length; i++)
{
header.serial[i] = tx_h.get_byte(tx_h.H_SERIAL + i);
}
header.abbreviations = tx_h.get_word(tx_h.H_ABBREVIATIONS);
header.file_size = tx_h.get_word(tx_h.H_FILE_SIZE);
header.checksum = tx_h.get_word(tx_h.H_CHECKSUM);
header.interpreter_number = tx_h.get_byte(tx_h.H_INTERPRETER_NUMBER);
header.interpreter_version = tx_h.get_byte(tx_h.H_INTERPRETER_VERSION);
header.screen_rows = tx_h.get_byte(tx_h.H_SCREEN_ROWS);
header.screen_columns = tx_h.get_byte(tx_h.H_SCREEN_COLUMNS);
header.screen_width = tx_h.get_word(tx_h.H_SCREEN_WIDTH);
header.screen_height = tx_h.get_word(tx_h.H_SCREEN_HEIGHT);
if (header.version != tx_h.V6)
{
header.font_width = (byte)tx_h.get_word(tx_h.H_FONT_WIDTH);
header.font_height = tx_h.get_byte(tx_h.H_FONT_HEIGHT);
}
else
{
header.font_width = (byte)tx_h.get_word(tx_h.H_FONT_HEIGHT);
header.font_height = tx_h.get_byte(tx_h.H_FONT_WIDTH);
}
header.routines_offset = tx_h.get_word(tx_h.H_ROUTINES_OFFSET);
header.strings_offset = tx_h.get_word(tx_h.H_STRINGS_OFFSET);
header.default_background = tx_h.get_byte(tx_h.H_DEFAULT_BACKGROUND);
header.default_foreground = tx_h.get_byte(tx_h.H_DEFAULT_FOREGROUND);
header.terminating_keys = tx_h.get_word(tx_h.H_TERMINATING_KEYS);
header.line_width = tx_h.get_word(tx_h.H_LINE_WIDTH);
header.specification_hi = tx_h.get_byte(tx_h.H_SPECIFICATION_HI);
header.specification_lo = tx_h.get_byte(tx_h.H_SPECIFICATION_LO);
header.alphabet = tx_h.get_word(tx_h.H_ALPHABET);
header.mouse_table = tx_h.get_word(tx_h.H_MOUSE_TABLE);
for (i = 0; i < header.name.Length; i++)
{
header.name[i] = tx_h.get_byte(tx_h.H_NAME + i);
}
if ((uint)header.version < (uint)min_version ||
(uint)header.version > (uint)max_version ||
((uint)header.config & tx_h.CONFIG_BYTE_SWAPPED) != 0)
{
throw new ArgumentException("\nFatal: wrong game or version\n");
}
if ((uint)header.version < tx_h.V4)
{
story_scaler = 2;
story_shift = 1;
code_scaler = 2;
code_shift = 1;
property_mask = tx_h.P3_MAX_PROPERTIES - 1;
property_size_mask = 0xe0;
}
else if ((uint)header.version < tx_h.V6)
{
story_scaler = 4;
story_shift = 2;
code_scaler = 4;
code_shift = 2;
property_mask = tx_h.P4_MAX_PROPERTIES - 1;
property_size_mask = 0x3f;
}
else if ((uint)header.version < tx_h.V8)
{
story_scaler = 8;
story_shift = 3;
code_scaler = 4;
code_shift = 2;
property_mask = tx_h.P4_MAX_PROPERTIES - 1;
property_size_mask = 0x3f;
}
else
{
story_scaler = 8;
story_shift = 3;
code_scaler = 8;
code_shift = 3;
property_mask = tx_h.P4_MAX_PROPERTIES - 1;
property_size_mask = 0x3f;
}
/* Calculate the file size */
if ((uint)header.file_size == 0)
{
throw new ArgumentException("Can't handle files with no length. Giving up!");
// file_size = get_story_size();
}
else if ((uint)header.version <= tx_h.V3)
{
file_size = header.file_size * 2;
}
else if ((uint)header.version <= tx_h.V5)
{
file_size = header.file_size * 4;
}
else
{
file_size = header.file_size * 8;
}
}/* configure */