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073188b50d
This commit includes a (highly) modified version of Chocolate DOOM which can run on NuttX. The majority of the modifications were made to pass the NuttX style check. Some small modifications have been added to support keyboard input, render graphics to frame buffers and directly use the POSIX interfaces NuttX supplies, stripping out Windows/Mac stuff and any references to SDL. NOTE: Sound is currently not supported in any capacity, nor is the networking stuff. A lot of Chocolate DOOM code was stripped out since it was unused. If there is a need/desire to add it back later, the original Chocolate DOOM source can be used as a reference. WARNING: The NuttX keyboard codec is incredibly non-standard and so there are problems translating from X11 keys to NuttX ones to play DOOM. Right now, the CTRL key for firing doesn't work because the NuttX codec has no concept of it. The NuttX codec should be modified (and other input devices supported), but at the time of this port I am not sufficiently comfortable doing so since I am afraid of breaking other things in the kernel. NOTE: This port (and likely the original DOOM) seems to be written with 32-bit computers in mind. As such, most things are given the type of natural `int`, even when a single byte might do. There are significant size optimizations that could be made to make this more suited to embedded devices that NuttX typically runs on. Signed-off-by: Matteo Golin <matteo.golin@gmail.com>
105 lines
6.9 KiB
C
105 lines
6.9 KiB
C
/****************************************************************************
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* apps/games/NXDoom/textscreen/fonts/codepage.h
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*
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* SPDX-License-Identifer: GPLv2
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*
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* Copyright(C) 2017 Simon Howard
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This file contains a #define macro mapping from the characters
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* in the CP437 code page to the equivalent Unicode characters. It
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* therefore defines which Unicode characters can be represented on
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* a text screen using such a code page.
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*
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* If you're changing the textscreen font to show a different code
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* page, you should update the mapping in this file to match. The
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* Wikipedia pages for DOS code pages are a good place to look for
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* this information.
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*
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****************************************************************************/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define CODE_PAGE_TO_UNICODE \
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{ \
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/* CP437 control codes: */ \
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\
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0x0000, 0x263a, 0x263b, 0x2665, /* 00 - 0f */ \
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0x2666, 0x2663, 0x2660, 0x2022, 0x25d8, 0x25cb, 0x25d9, \
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0x2642, 0x2640, 0x266a, 0x266b, 0x263c, \
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\
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0x25ba, 0x25c4, 0x2195, 0x203c, /* 10 - 1f */ \
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0x00b6, 0x00a7, 0x25ac, 0x21a8, 0x2191, 0x2193, 0x2192, \
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0x2190, 0x221f, 0x2194, 0x25b2, 0x25bc, \
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\
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/* Standard ASCII range: */ \
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\
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0x0020, 0x0021, 0x0022, 0x0023, /* 20 - 2f */ \
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0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, \
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0x002b, 0x002c, 0x002d, 0x002e, 0x002f, \
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\
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0x0030, 0x0031, 0x0032, 0x0033, /* 30 - 3f */ \
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0x0034, 0x0035, 0x0036, 0x0037, 0x0038, 0x0039, 0x003a, \
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0x003b, 0x003c, 0x003d, 0x003e, 0x003f, \
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\
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0x0040, 0x0041, 0x0042, 0x0043, /* 40 - 4f */ \
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0x0044, 0x0045, 0x0046, 0x0047, 0x0048, 0x0049, 0x004a, \
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0x004b, 0x004c, 0x004d, 0x004e, 0x004f, \
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\
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0x0050, 0x0051, 0x0052, 0x0053, /* 50 - 5f */ \
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0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059, 0x005a, \
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0x005b, 0x005c, 0x005d, 0x005e, 0x005f, \
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\
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0x0060, 0x0061, 0x0062, 0x0063, /* 60 - 6f */ \
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0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006a, \
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0x006b, 0x006c, 0x006d, 0x006e, 0x006f, \
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\
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0x0070, 0x0071, 0x0072, 0x0073, /* 70 - 7f */ \
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0x0074, 0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007a, \
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0x007b, 0x007c, 0x007d, 0x007e, 0x2302, \
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\
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/* CP437 Extended ASCII range: */ \
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\
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0x00c7, 0x00fc, 0x00e9, 0x00e2, /* 80-8f */ \
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0x00e4, 0x00e0, 0x00e5, 0x00e7, 0x00ea, 0x00eb, 0x00e8, \
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0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5, \
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\
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0x00c9, 0x00e6, 0x00c6, 0x00f4, /* 90-9f */ \
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0x00f6, 0x00f2, 0x00fb, 0x00f9, 0x00ff, 0x00d6, 0x00dc, \
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0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192, \
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\
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0x00e1, 0x00ed, 0x00f3, 0x00fa, /* a0-af */ \
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0x00f1, 0x00d1, 0x00aa, 0x00ba, 0x00bf, 0x2310, 0x00ac, \
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0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb, \
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\
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0x2591, 0x2592, 0x2593, 0x2502, /* b0-bf */ \
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0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, \
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0x2557, 0x255d, 0x255c, 0x255b, 0x2510, \
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\
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0x2514, 0x2534, 0x252c, 0x251c, /* c0-cf */ \
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0x2500, 0x253c, 0x255e, 0x255f, 0x255a, 0x2554, 0x2569, \
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0x2566, 0x2560, 0x2550, 0x256c, 0x2567, \
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\
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0x2568, 0x2564, 0x2565, 0x2559, /* d0-df */ \
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0x2558, 0x2552, 0x2553, 0x256b, 0x256a, 0x2518, 0x250c, \
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0x2588, 0x2584, 0x258c, 0x2590, 0x2580, \
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\
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0x03b1, 0x00df, 0x0393, 0x03c0, /* e0-ef */ \
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0x03a3, 0x03c3, 0x00b5, 0x03c4, 0x03a6, 0x0398, 0x03a9, \
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0x03b4, 0x221e, 0x03c6, 0x03b5, 0x2229, \
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\
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0x2261, 0x00b1, 0x2265, 0x2264, /* f0-ff */ \
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0x2320, 0x2321, 0x00f7, 0x2248, 0x00b0, 0x2219, 0x00b7, \
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0x221a, 0x207f, 0x00b2, 0x25a0, 0x00a0, \
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}
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