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/*
* extern.c
*
* Global data.
*
*/
#include "ztypes.h"
/* Game header data */
zbyte_t h_type = 0;
zbyte_t h_config = 0;
zword_t h_version = 0;
zword_t h_data_size = 0;
zword_t h_start_pc = 0;
zword_t h_words_offset = 0;
zword_t h_objects_offset = 0;
zword_t h_globals_offset = 0;
zword_t h_restart_size = 0;
zword_t h_flags = 0;
zword_t h_synonyms_offset = 0;
zword_t h_file_size = 0;
zword_t h_checksum = 0;
zbyte_t h_interpreter = INTERP_MSDOS;
zbyte_t h_interpreter_version = 'B'; /* Interpreter version 2 */
zword_t h_alternate_alphabet_offset = 0;
/* Game version specific data */
int story_scaler = 0;
int story_shift = 0;
int property_mask = 0;
int property_size_mask = 0;
/* Stack and PC data */
zword_t stack[STACK_SIZE];
zword_t sp = STACK_SIZE;
zword_t fp = STACK_SIZE - 1;
zword_t frame_count = 0; /* frame pointer for get_fp */
unsigned long pc = 0;
int interpreter_state = RUN;
int interpreter_status = 0;
/* Data region data */
unsigned int data_size = 0;
zbyte_t *datap = NULL;
zbyte_t *undo_datap = NULL;
/* Screen size data */
int screen_rows = 0;
int screen_cols = 0;
/* Current window data */
int screen_window = TEXT_WINDOW;
/* Formatting and output control data */
int formatting = ON;
int outputting = ON;
int redirect_depth = 0; /* 1 or higher means ON */
int scripting_disable = OFF;
int scripting = OFF;
int recording = OFF;
int replaying = OFF;
int font = 1;
/* Status region data */
int status_active = OFF;
int status_size = 0;
/* Text output buffer data */
int lines_written = 0;
int status_pos = 0;
/* Dynamic buffer data */
/*char *line = NULL;*/
char *status_line = NULL;
/* Character translation tables */
char lookup_table[3][26];
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