Updating to reflect the latest work.

[zilutils.git] / zilasm / header.h

diff --git a/zilasm/header.h b/zilasm/header.h
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+++ b/zilasm/header.h
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+/*
+ * header.h -- part of ZilUtils/ZilAsm
+ *
+ * Copyright (C) 2016 Jason Self <j@jxself.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+#ifndef ZILASM_HEADER
+#define ZILASM_HEADER 1
+
+#include "zmem.h"
+
+typedef unsigned long   Byte_address;
+typedef unsigned long   Word_address;
+typedef unsigned long Packed_address;
+typedef unsigned long        Offset8;
+typedef unsigned int            Word;
+typedef   signed char           Byte;
+typedef          int            Bool;
+
+typedef struct {
+       unsigned version;  // 1..6
+       // [$01] V1..V3: Flags1
+       Bool  statusline_type;      // bit1: 0=score/turns, 1=hh:mm
+       Bool  split_two_discs;      // bit2
+       Bool  statusline_notavail;  // bit4
+       Bool  screensplit_avail;    // bit5
+       Bool  varpitchfont_default; // bit6
+       // [$01] V4: Flags1
+       Bool  colors_avail;         // v5: bit0
+       Bool  pics_avail;           // v6: bit1
+       Bool  bold_avail;           // v4: bit2
+       Bool  italic_avail;         // v4: bit3
+       Bool  fixedspace_avail;     // v4: bit4
+       Bool  sound_avail;          // v6: bit5
+       Bool  timedkeyb_avail;      // v4: bit7
+       // Addresses
+       Byte_address   highmem_base;  // [$04]
+       Byte_address   start_pc;      //  [$06], v1
+       Packed_address start_routine; //  [$06], v6
+       Byte_address   dictionary;    // [$08]
+       Byte_address   objects;       // [$0A]
+       Byte_address   globals;       // [$0C]
+       Byte_address   static_base;   // [$0E]
+       // [$10] Flags2
+       Bool  transcript_on;        // v1: bit0
+       Bool  print_fixedfont;      // v3: bit1
+       Bool  request_redraw;       // v6: bit2
+       Bool  want_pics;            // v5: bit3
+       Bool  want_undo;            // v5: bit4
+       Bool  want_mouse;           // v5: bit5
+       Bool  want_colors;          // v5: bit6
+       Bool  want_sound;           // v5: bit7
+       Bool  want_menus;           // v5: bit8
+       //
+       Byte_address  abbrevs;        // [$18], v2
+       Word  file_length;            // [$1A], v3
+       Word  checksum;               // [$1C], v3
+       Byte  interpreter_number;     // [$1E], v4
+       Byte  interpreter_version;    // [$1F], v4
+       // Screen
+       Byte  screen_lines;           // [$20], v4 ($FF = infinite)
+       Byte  screen_chars;           // [$21], v4
+       Word  screen_width;           // [$22], v5
+       Word  screen_height;          // [$24], v5
+       Byte  font_width;             // [$26], v5/v6
+       Byte  font_height;            // [$27], v5/v6
+       // Tables
+       Offset8  routines;            // [$28], v6
+       Offset8  strings;             // [$2A], v6
+       Byte     backcolor;           // [$2C], v5
+       Byte     forecolor;           // [$2D], v5
+       Byte_address  term_chartable; // [$2E], v5
+       Word     width3;              // [$30], v6
+       Word     revnumber;           // [$32], v1
+       Byte_address  alphabet;       // [$34], v5
+       Byte_address  header_ext;     // [$36], v5
+} Program_header_struct;
+
+extern Program_header_struct Program_header;
+
+void program_header_reset(unsigned zversion);
+ZMemblock *program_header_build(void);
+
+#endif  /* ifndef ZILASM_HEADER */