-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathztypes.h
815 lines (657 loc) · 18.7 KB
/
ztypes.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
/* $Id: ztypes.h,v 1.4 2000/10/04 23:07:57 jholder Exp $
* --------------------------------------------------------------------
* see doc/License.txt for License Information
* --------------------------------------------------------------------
*
* File name: $Id: ztypes.h,v 1.4 2000/10/04 23:07:57 jholder Exp $
*
* Description:
*
* Modification history:
* $Log: ztypes.h,v $
* Revision 1.4 2000/10/04 23:07:57 jholder
* fixed redirect problem with isolatin1 range chars
*
* Revision 1.3 2000/07/05 15:20:34 jholder
* Updated code to remove warnings.
*
* Revision 1.2 2000/05/25 22:28:56 jholder
* changes routine names to reflect zmachine opcode names per spec 1.0
*
* Revision 1.1.1.1 2000/05/10 14:21:34 jholder
*
* imported
*
*
* --------------------------------------------------------------------
*/
/*
* ztypes.h
*
* Any global stuff required by the C modules.
*
*/
#if !defined(__ZTYPES_INCLUDED)
#define __ZTYPES_INCLUDED
/* AIX likes to see this define... */
#if defined(AIX)
#define _POSIX_SOURCE
#define POSIX
#endif
/* for Turbo C & MSC */
#if defined(__MSDOS__)
#ifndef MSDOS
#define MSDOS
#endif
#define LOUSY_RANDOM
#define Z_FILENAME_MAX FILENAME_MAX
#endif
#if defined OS2
#define LOUSY_RANDOM
#define Z_FILENAME_MAX FILENAME_MAX
#endif
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#if defined(MSDOS)
#include <malloc.h>
#endif /* MSDOS */
/* Set Version of JZIP */
#include "jzip.h"
extern unsigned char JTERP;
/* Configuration options */
#ifdef USE_ZLIB
#include <zlib.h>
#define jz_rewind gzrewind
#define jz_seek gzseek
#define jz_open gzopen
#define jz_close gzclose
#define jz_getc gzgetc
#else
#define jz_rewind rewind
#define jz_seek fseek
#define jz_open fopen
#define jz_close fclose
#define jz_getc getc
#endif
#define USE_QUETZAL
#define DEFAULT_ROWS 24 /* Default screen height */
#define DEFAULT_COLS 80 /* Deafult screen width */
#define DEFAULT_RIGHT_MARGIN 1 /* # of characters in rt margin (UNIX likes 1)*/
#define DEFAULT_TOP_MARGIN 0 /* # of lines on screen before [MORE] message */
#ifdef LOUSY_RANDOM
#define RANDOM_FUNC rand
#define SRANDOM_FUNC srand
#else
#define RANDOM_FUNC random
#define SRANDOM_FUNC srandom
#endif
/* Perform stricter z-code error checking. If STRICTZ is #defined,
* the interpreter will check for common opcode errors, such as reading
* or writing properties of the "nothing" (0) object. When such an
* error occurs, the opcode will call report_zstrict_error() and
* then continue in some safe manner. This may mean doing nothing,
* returning 0, or something like that.
*
* See osdepend.c for the definition of report_zstrict_error(). Note that
* this function may call fatal() to shut down the interpreter.
*
* If STRICTZ is not #defined, the STRICTZ patch has no effect at all.
* It does not even check to continue safely when an error occurs;
* it just behaves the way ZIP has always behaved. This typically
* means calling get_property_addr(0) or get_object_address(0),
* which will return a meaningless value, and continuing on with
* that.
*/
#define STRICTZ
/* Global defines */
#ifndef UNUSEDVAR
#define UNUSEDVAR(a) a=a;
#endif
/* number of bits in a byte. needed by AIX!!! ;^) */
#ifndef NBBY
#define NBBY 8
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef Z_FILENAME_MAX
#define Z_FILENAME_MAX 255
#endif
#ifndef Z_PATHNAME_MAX
#define Z_PATHNAME_MAX 1024
#endif
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
#ifndef SEEK_END
#define SEEK_END 2
#endif
#ifdef unix
#ifndef __STDC_VERSION__
#if defined (HAVE_BCOPY)
#define memmove(a, b, c) bcopy (b, a, c)
#else
#define memmove(a, b, c) memcpy ((a), (b), (c))
#endif
#ifndef const
#define const
#endif
#endif
#endif /* unix */
/* Z types */
typedef unsigned char zbyte_t; /* unsigned 1 byte quantity */
typedef unsigned short zword_t; /* unsigned 2 byte quantity */
typedef short ZINT16; /* signed 2 byte quantity */
/* Data file header format */
typedef struct zheader
{
zbyte_t type;
zbyte_t config;
zword_t version;
zword_t data_size;
zword_t start_pc;
zword_t words_offset;
zword_t objects_offset;
zword_t globals_offset;
zword_t restart_size;
zword_t flags;
zbyte_t release_date[6];
zword_t synonyms_offset;
zword_t file_size;
zword_t checksum;
zbyte_t interpreter;
zbyte_t interpreter_version;
zbyte_t screen_rows;
zbyte_t screen_columns;
zbyte_t screen_left;
zbyte_t screen_right;
zbyte_t screen_top;
zbyte_t screen_bottom;
zbyte_t max_char_width;
zbyte_t max_char_height;
zword_t filler1[3];
zword_t function_keys_offset;
zword_t filler2[2];
zword_t alternate_alphabet_offset;
// zword_t mouse_position_offset;
zword_t extension_offset;
zword_t filler3[4];
}
zheader_t;
#define H_TYPE 0
#define H_CONFIG 1
#define CONFIG_BYTE_SWAPPED 0x01 /* Game data is byte swapped - V3 */
#define CONFIG_TIME 0x02 /* Status line displays time - V3 */
#define CONFIG_MAX_DATA 0x04 /* Data area should 64K if possible - V3 */
#define CONFIG_TANDY 0x08 /* Tandy licensed game - V3 */
#define CONFIG_NOSTATUSLINE 0x10 /* Interp can't support a status line - V3 */
#define CONFIG_WINDOWS 0x20 /* Interpr supports split screen mode - V3 */
#define CONFIG_COLOUR 0x01 /* Game supports colour - V5+ */
#define CONFIG_PICTURES 0x02 /* Picture displaying available? - V4+ */
#define CONFIG_BOLDFACE 0x04 /* Interpr supports boldface style - V4+ */
#define CONFIG_EMPHASIS 0x08 /* Interpreter supports text emphasis - V4+ */
#define CONFIG_FIXED 0x10 /* Interpr supports fixed width style - V4+ */
#define CONFIG_SFX 0x20 /* Interpr supports sound effects - V4+ */
#define CONFIG_TIMEDINPUT 0x80 /* Interpr supports timed input - V4+ */
#define CONFIG_PROPORTIONAL 0x40 /* Interpr uses proportional font - V3+ */
#define H_VERSION 2
#define H_DATA_SIZE 4
#define H_START_PC 6
#define H_WORDS_OFFSET 8
#define H_OBJECTS_OFFSET 10
#define H_GLOBALS_OFFSET 12
#define H_RESTART_SIZE 14
#define H_FLAGS 16
#define SCRIPTING_FLAG 0x01
#define FIXED_FONT_FLAG 0x02
#define REFRESH_FLAG 0x04
#define GRAPHICS_FLAG 0x08
#define SOUND_FLAG 0x10 /* V4 */
#define UNDO_AVAILABLE_FLAG 0x10 /* V5 */
#define COLOUR_FLAG 0x40
#define NEW_SOUND_FLAG 0x80
#define H_RELEASE_DATE 18
#define H_SYNONYMS_OFFSET 24
#define H_FILE_SIZE 26
#define H_CHECKSUM 28
#define H_INTERPRETER 30
//#define H_UNICODE_TABLE 34
#define INTERP_GENERIC 0
#define INTERP_DEC_20 1
#define INTERP_APPLE_IIE 2
#define INTERP_MACINTOSH 3
#define INTERP_AMIGA 4
#define INTERP_ATARI_ST 5
#define INTERP_MSDOS 6
#define INTERP_CBM_128 7
#define INTERP_CBM_64 8
#define INTERP_APPLE_IIC 9
#define INTERP_APPLE_IIGS 10
#define INTERP_TANDY 11
#define INTERP_UNIX 12
#define INTERP_VMS 13
#define H_INTERPRETER_VERSION 31
#define H_SCREEN_ROWS 32
#define H_SCREEN_COLUMNS 33
#define H_SCREEN_LEFT 34
#define H_SCREEN_RIGHT 35
#define H_SCREEN_TOP 36
#define H_SCREEN_BOTTOM 37
#define H_MAX_CHAR_WIDTH 38
#define H_MAX_CHAR_HEIGHT 39
#define H_FILLER1 40
#define H_BG_DEFAULT_COLOR 44
#define H_FG_DEFAULT_COLOR 45
#define H_FUNCTION_KEYS_OFFSET 46
#define H_FILLER2 48
#define H_STANDARD_HIGH 50
#define H_STANDARD_LOW 51
#define H_ALTERNATE_ALPHABET_OFFSET 52
#define H_EXTENSION_OFFSET 54
#define H_MOUSE_POSITION_OFFSET 54
#define H_FILLER3 56
#define V1 1
#define V2 2
/* Version 3 object format */
#define V3 3
typedef struct zobjectv3
{
zword_t attributes[2];
zbyte_t parent;
zbyte_t next;
zbyte_t child;
zword_t property_offset;
}
zobjectv3_t;
#define O3_ATTRIBUTES 0
#define O3_PARENT 4
#define O3_NEXT 5
#define O3_CHILD 6
#define O3_PROPERTY_OFFSET 7
#define O3_SIZE 9
#define PARENT3(offset) (offset + O3_PARENT)
#define NEXT3(offset) (offset + O3_NEXT)
#define CHILD3(offset) (offset + O3_CHILD)
#define P3_MAX_PROPERTIES 0x20
/* Version 4 object format */
#define V4 4
typedef struct zobjectv4
{
zword_t attributes[3];
zword_t parent;
zword_t next;
zword_t child;
zword_t property_offset;
}
zobjectv4_t;
#define O4_ATTRIBUTES 0
#define O4_PARENT 6
#define O4_NEXT 8
#define O4_CHILD 10
#define O4_PROPERTY_OFFSET 12
#define O4_SIZE 14
#define PARENT4(offset) (offset + O4_PARENT)
#define NEXT4(offset) (offset + O4_NEXT)
#define CHILD4(offset) (offset + O4_CHILD)
#define P4_MAX_PROPERTIES 0x40
#define V5 5
#define V6 6
#define V7 7
#define V8 8
/* Interpreter states */
#define STOP 0
#define RUN 1
/* Call types */
#define FUNCTION 0x0000
#if defined(USE_QUETZAL)
#define PROCEDURE 0x1000
#define ASYNC 0x2000
#else
#define PROCEDURE 0x0100
#define ASYNC 0x0200
#endif
#if defined(USE_QUETZAL)
#define ARGS_MASK 0x00FF
#define VARS_MASK 0x0F00
#define TYPE_MASK 0xF000
#define VAR_SHIFT 8
#else
#define ARGS_MASK 0x00ff
#define TYPE_MASK 0xff00
#endif
/* Local defines */
#define PAGE_SIZE 0x200
#define PAGE_MASK 0x1FF
#define PAGE_SHIFT 9
#define STACK_SIZE 1024
#define ON 1
#define OFF 0
#define RESET -1
#define Z_SCREEN 255
#define TEXT_WINDOW 0
#define STATUS_WINDOW 1
#define MIN_ATTRIBUTE 0
#define NORMAL 0
#define REVERSE 1
#define BOLD 2
#define EMPHASIS 4
#define FIXED_FONT 8
#define MAX_ATTRIBUTE 15
#define TEXT_FONT 1
#define GRAPHICS_FONT 3
#define FOREGROUND 0
#define BACKGROUND 1
#define GAME_RESTORE 0
#define GAME_SAVE 1
#define GAME_SCRIPT 2
#define GAME_RECORD 3
#define GAME_PLAYBACK 4
#define UNDO_SAVE 5
#define UNDO_RESTORE 6
#define GAME_SAVE_AUX 7
#define GAME_LOAD_AUX 8
#define MAX_TEXT_SIZE 8
/* Data access macros */
#define get_byte(offset) ((zbyte_t) datap[offset])
#define get_word(offset) ((zword_t) (((zword_t) datap[offset] << 8) + (zword_t) datap[offset + 1]))
#define set_byte(offset,value) datap[offset] = (zbyte_t) (value)
#define set_word(offset,value) datap[offset] = (zbyte_t) ((zword_t) (value) >> 8), datap[offset + 1] = (zbyte_t) ((zword_t) (value) & 0xff)
/* External data */
extern int GLOBALVER;
extern zbyte_t h_type;
extern zbyte_t h_config;
extern zword_t h_version;
extern zword_t h_data_size;
extern zword_t h_start_pc;
extern zword_t h_words_offset;
extern zword_t h_objects_offset;
extern zword_t h_globals_offset;
extern zword_t h_restart_size;
extern zword_t h_flags;
extern zword_t h_synonyms_offset;
extern zword_t h_file_size;
extern zword_t h_checksum;
extern zbyte_t h_interpreter;
extern zbyte_t h_interpreter_version;
extern zword_t h_alternate_alphabet_offset;
extern zword_t h_extension_offset;
extern zword_t h_unicode_table;
extern int story_scaler;
extern int story_shift;
extern int property_mask;
extern int property_size_mask;
extern zword_t stack[STACK_SIZE];
extern zword_t sp;
extern zword_t fp;
extern zword_t frame_count;
extern unsigned long pc;
extern int interpreter_state;
extern int interpreter_status;
extern unsigned int data_size;
extern zbyte_t *datap;
extern zbyte_t **undo_datap;
extern zbyte_t **undo_stack;
extern int undo_size;
extern int screen_rows;
extern int screen_cols;
extern int right_margin;
extern int top_margin;
extern int screen_window;
extern int interp_initialized;
extern int formatting;
extern int outputting;
extern int redirect_depth;
extern int redirecting;
extern int scripting;
extern int scripting_disable;
extern int recording;
extern int replaying;
extern int font;
extern int status_active;
extern int status_size;
extern char fTandy;
extern char line_editing;
extern char fIBMGraphics;
extern int lines_written;
extern int status_pos;
extern unsigned short *line;
extern char *style;
extern unsigned short *status_line;
extern char lookup_table[3][26];
extern char monochrome;
extern char unicode;
extern int hist_buf_size;
extern char bigscreen;
extern ZINT16 default_fg;
extern ZINT16 default_bg;
extern unsigned short zscii2unicode[2][69];
extern char *zscii2txt[2][69];
#ifdef STRICTZ
/* Definitions for STRICTZ functions and error codes. */
void report_strictz_error( int, const char * );
/* Error codes */
#define STRZERR_NO_ERROR (0)
#define STRZERR_JIN (1)
#define STRZERR_GET_CHILD (2)
#define STRZERR_GET_PARENT (3)
#define STRZERR_GET_SIBLING (4)
#define STRZERR_GET_PROP_ADDR (5)
#define STRZERR_GET_PROP (6)
#define STRZERR_PUT_PROP (7)
#define STRZERR_CLEAR_ATTR (8)
#define STRZERR_SET_ATTR (9)
#define STRZERR_TEST_ATTR (10)
#define STRZERR_MOVE_OBJECT (11)
#define STRZERR_MOVE_OBJECT_2 (12)
#define STRZERR_REMOVE_OBJECT (13)
#define STRZERR_GET_NEXT_PROP (14)
#define STRZERR_DIV_ZERO (15)
#define STRZERR_MOV_CURSOR (16)
#define STRICTZ_NUM_ERRORS (17)
#endif /* STRICTZ */
/* Global routines */
/* control.c */
void z_check_arg_count( zword_t );
int z_call( int, zword_t *, int );
void z_jump( zword_t );
void z_restart( void );
void restart_interp( int );
void z_ret( zword_t );
void z_catch( void );
void z_throw( zword_t, zword_t );
/* fileio.c */
void z_verify( void );
int z_restore( int, zword_t, zword_t, zword_t );
int z_save( int, zword_t, zword_t, zword_t );
void z_restore_undo( void );
void z_save_undo( void );
void z_open_playback( int );
int check_blorb( void );
void close_record( void );
void close_script( void );
void close_story( void );
void flush_script( void );
unsigned int get_story_size( void );
void open_record( void );
void open_script( void );
void open_story( const char * );
int playback_key( void );
int playback_line( int, char *, int * );
void read_page( int, void * );
void record_key( int );
void record_line( const char * );
void script_char( int );
void script_string( const char * );
void script_line( const char * );
void script_new_line( void );
/* getopt.c */
#ifndef HAVE_GETOPT
int getopt( int, char *[], const char * );
#endif
/* input.c */
int get_line( char *, zword_t, zword_t );
void z_read_char( int, zword_t * );
void z_sread_aread( int, zword_t * );
void z_tokenise( int, zword_t * );
/* interpre.c */
int interpret( void );
/* license.c */
void print_license( void );
/* math.c */
void z_add( zword_t, zword_t );
void z_div( zword_t, zword_t );
void z_mul( zword_t, zword_t );
void z_sub( zword_t, zword_t );
void z_mod( zword_t, zword_t );
void z_or( zword_t, zword_t );
void z_and( zword_t, zword_t );
void z_not( zword_t );
void z_art_shift( zword_t, zword_t );
void z_log_shift( zword_t, zword_t );
void z_je( int, zword_t * );
void z_jg( zword_t, zword_t );
void z_jl( zword_t, zword_t );
void z_jz( zword_t );
void z_random( zword_t );
void z_test( zword_t, zword_t );
/* memory.c */
void load_cache( void );
void unload_cache( void );
zbyte_t read_code_byte( void );
zbyte_t read_data_byte( unsigned long * );
zword_t read_code_word( void );
zword_t read_data_word( unsigned long * );
/* object.c */
zword_t get_object_address( zword_t );
void z_insert_obj( zword_t, zword_t );
void z_remove_obj( zword_t );
void z_get_child( zword_t );
void z_get_sibling( zword_t );
void z_get_parent( zword_t );
void z_jin( zword_t, zword_t );
void z_clear_attr( zword_t, zword_t );
void z_set_attr( zword_t, zword_t );
void z_test_attr( zword_t, zword_t );
/* operand.c */
void z_piracy( int );
void z_store( int, zword_t );
void conditional_jump( int );
void store_operand( zword_t );
zword_t load_operand( int );
zword_t load_variable( int );
/* osdepend.c */
void fatal( const char * );
void file_cleanup( const char *, int );
int fit_line( const unsigned short *, int, int );
int get_file_name( char *, char *, int );
int print_status( int, unsigned short *[] );
void process_arguments( int, char *[] );
void set_colours( zword_t, zword_t );
void set_font( int );
void sound( int, zword_t * );
/* property.c */
void z_get_next_prop( zword_t, zword_t );
void z_get_prop( zword_t, zword_t );
void z_get_prop_addr( zword_t, zword_t );
void z_get_prop_len( zword_t );
void z_put_prop( zword_t, zword_t, zword_t );
void z_copy_table( zword_t, zword_t, zword_t );
void z_scan_table( int, zword_t * );
void z_loadb( zword_t, zword_t );
void z_loadw( zword_t, zword_t );
void z_storeb( zword_t, zword_t, zword_t );
void z_storew( zword_t, zword_t, zword_t );
/* quetzal.c */
#ifdef USE_ZLIB
int save_quetzal( FILE *, gzFile );
int restore_quetzal( FILE *, gzFile );
#else
int save_quetzal( FILE *, FILE * );
int restore_quetzal( FILE *, FILE * );
#endif
/* screen.c */
void z_show_status( void );
void z_set_cursor( zword_t, zword_t );
void z_set_font( zword_t );
void z_split_window( zword_t );
void z_set_window( zword_t );
void z_set_colour( zword_t, zword_t );
void z_erase_line( zword_t );
void z_erase_window( zword_t );
void z_print_table( int, zword_t * );
void blank_status_line( void );
void output_char( int );
void output_new_line( void );
void output_string( const char * );
void output_line( const char * );
/* screenio.c */
int input_character( int );
int check_font_char( int );
void clear_line( void );
void clear_screen( void );
void clear_status_window( void );
void clear_text_window( void );
void create_status_window( void );
void delete_status_window( void );
void display_char( int );
int fit_line( const unsigned short *, int, int );
void get_cursor_position( int *, int * );
void initialize_screen( void );
int input_line( int, char *, int, int *, int );
void move_cursor( int, int );
int print_status( int, unsigned short *[] );
void reset_screen( void );
void restart_screen( void );
void restore_cursor_position( void );
void save_cursor_position( void );
void scroll_line( void );
void select_status_window( void );
void select_text_window( void );
void set_attribute( int );
/* text.c */
void z_encode( zword_t, zword_t, zword_t, zword_t );
void z_new_line( void );
void z_print_char( zword_t );
void z_print_num( zword_t );
void z_print( void );
void z_print_addr( zword_t );
void z_print_paddr( zword_t );
void z_print_obj( zword_t );
void z_print_ret( void );
void z_buffer_mode( zword_t );
void z_output_stream( zword_t, zword_t );
void z_input_stream( int );
void z_set_text_style( zword_t );
void z_print_unicode( zword_t );
void z_check_unicode( zword_t );
void decode_text( unsigned long * );
void encode_text( int, const char *, ZINT16 * );
void flush_buffer( void );
void print_time( int, int );
int translate_from_zscii( int );
int translate_to_zscii( int );
void write_char( int );
void write_string( const char * );
void write_zchar( int );
/* variable.c */
void z_inc( zword_t );
void z_dec( zword_t );
void z_inc_chk( zword_t, zword_t );
void z_dec_chk( zword_t, zword_t );
void z_load( zword_t );
void z_pull( zword_t );
void z_push( zword_t );
#endif /* !defined(__ZTYPES_INCLUDED) */