zilasm/header.h

   1 /*
   2  * header.h -- part of ZilUtils/ZilAsm
   3  *
   4  * Copyright (C) 2016 Jason Self <j@jxself.org>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as
   8  * published by the Free Software Foundation, either version 3 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  18  */
  19
  20 #ifndef ZILASM_HEADER
  21 #define ZILASM_HEADER 1
  22
  23 #include "zmem.h"
  24
  25 typedef unsigned long   Byte_address;
  26 typedef unsigned long   Word_address;
  27 typedef unsigned long Packed_address;
  28 typedef unsigned long        Offset8;
  29 typedef unsigned int            Word;
  30 typedef   signed char           Byte;
  31 typedef          int            Bool;
  32
  33 typedef struct {
  34         unsigned version;  // 1..6
  35         // [$01] V1..V3: Flags1
  36         Bool  statusline_type;      // bit1: 0=score/turns, 1=hh:mm
  37         Bool  split_two_discs;      // bit2
  38         Bool  statusline_notavail;  // bit4
  39         Bool  screensplit_avail;    // bit5
  40         Bool  varpitchfont_default; // bit6
  41         // [$01] V4: Flags1
  42         Bool  colors_avail;         // v5: bit0
  43         Bool  pics_avail;           // v6: bit1
  44         Bool  bold_avail;           // v4: bit2
  45         Bool  italic_avail;         // v4: bit3
  46         Bool  fixedspace_avail;     // v4: bit4
  47         Bool  sound_avail;          // v6: bit5
  48         Bool  timedkeyb_avail;      // v4: bit7
  49         // Addresses
  50         Byte_address   highmem_base;  // [$04]
  51         Byte_address   start_pc;      //  [$06], v1
  52         Packed_address start_routine; //  [$06], v6
  53         Byte_address   dictionary;    // [$08]
  54         Byte_address   objects;       // [$0A]
  55         Byte_address   globals;       // [$0C]
  56         Byte_address   static_base;   // [$0E]
  57         // [$10] Flags2
  58         Bool  transcript_on;        // v1: bit0
  59         Bool  print_fixedfont;      // v3: bit1
  60         Bool  request_redraw;       // v6: bit2
  61         Bool  want_pics;            // v5: bit3
  62         Bool  want_undo;            // v5: bit4
  63         Bool  want_mouse;           // v5: bit5
  64         Bool  want_colors;          // v5: bit6
  65         Bool  want_sound;           // v5: bit7
  66         Bool  want_menus;           // v5: bit8
  67         //
  68         Byte_address  abbrevs;        // [$18], v2
  69         Word  file_length;            // [$1A], v3
  70         Word  checksum;               // [$1C], v3
  71         Byte  interpreter_number;     // [$1E], v4
  72         Byte  interpreter_version;    // [$1F], v4
  73         // Screen
  74         Byte  screen_lines;           // [$20], v4 ($FF = infinite)
  75         Byte  screen_chars;           // [$21], v4
  76         Word  screen_width;           // [$22], v5
  77         Word  screen_height;          // [$24], v5
  78         Byte  font_width;             // [$26], v5/v6
  79         Byte  font_height;            // [$27], v5/v6
  80         // Tables
  81         Offset8  routines;            // [$28], v6
  82         Offset8  strings;             // [$2A], v6
  83         Byte     backcolor;           // [$2C], v5
  84         Byte     forecolor;           // [$2D], v5
  85         Byte_address  term_chartable; // [$2E], v5
  86         Word     width3;              // [$30], v6
  87         Word     revnumber;           // [$32], v1
  88         Byte_address  alphabet;       // [$34], v5
  89         Byte_address  header_ext;     // [$36], v5
  90 } Program_header_struct;
  91
  92 extern Program_header_struct Program_header;
  93
  94 void program_header_reset(unsigned zversion);
  95 ZMemblock *program_header_build(void);
  96
  97 #endif  /* ifndef ZILASM_HEADER */