First commit

.gitignore

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+*.inc
+*.com

LICENSE

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+Copyright (c) 2022 Lynn
+Copyright (c) 2022 Juhani 'nortti' Krekelä
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+NASM ?= nasm
+PYTHON ?= python
+
+all: dosdl.com
+
+dosdl.com: dosdl.asm dictionary.inc targets.inc
+	$(NASM) -fbin -o $@ $<
+
+dictionary.inc: dictionary.json compress-dict.py
+	$(PYTHON) compress-dict.py $< $@
+
+targets.inc: targets.json compress-targets.py
+	$(PYTHON) compress-targets.py $< $@
+
+clean:
+	rm -f *.inc *.com
+
+distclean: clean
+
+.PHONY: all clean distclean

README.md

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+hello DOSdl
+===========
+Hello DOSdl is a variant of Wordle / hello wordl for MS-DOS running on IBM PC
+compatible systems.
+
+Word lists
+----------
+The words lists are taken from
+[hello wordl](https://github.com/lynn/hello-wordl) and are identical as of
+2022-02-02, to allow cross-play between hello DOSdl and hello wordl. See the
+link for further details.
+
+Licensing
+---------
+Hello DOSdl is free software under the MIT license. See LICENSE for details.

compress-dict.py

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+#!/usr/bin/env python
+import json
+import sys
+
+alphabet = 'abcdefghijklmnopqrstuvwxyz'
+
+srcpath = sys.argv[1]
+targetpath = sys.argv[2]
+
+with open(srcpath, 'r') as f:
+	words = json.load(f)
+
+# We only care about 5-letter words
+words = [word for word in words if len(word) == 5]
+
+# Split dictionary into per-startletter arrays
+arrays = {letter: [] for letter in alphabet}
+for word in words:
+	assert word[0] in alphabet
+	number = 0
+	# First letter is implicit
+	for index, letter in enumerate(word[1:]):
+		number += alphabet.index(letter) << (5 * index)
+	packed = bytes([number & 0xff, (number >> 8) & 0xff, number >> 16])
+	arrays[word[0]].append(packed)
+
+with open(targetpath, 'w') as f:
+	for startletter, array in arrays.items():
+		f.write(f'dictionary_{startletter}:\n')
+		for packed in array:
+			f.write(f'\tdb {", ".join(str(byte) for byte in packed)}\n')
+		f.write('\n')
+
+	f.write('dictionaries:\n')
+	for startletter in arrays:
+		f.write(f'\tdw dictionary_{startletter}\n')

compress-targets.py

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+#!/usr/bin/env python
+import json
+import sys
+
+alphabet = 'abcdefghijklmnopqrstuvwxyz*'
+
+srcpath = sys.argv[1]
+targetpath = sys.argv[2]
+
+with open(srcpath, 'r') as f:
+	words = json.load(f)
+
+# We only care about 5-letter words
+words = [word for word in words if len(word) == 5]
+
+array = []
+for word in words:
+	number = 0
+	for index, letter in enumerate(word):
+		number += alphabet.index(letter) << (5 * index)
+	packed = bytes([number & 0xff, (number >> 8) & 0xff, (number >> 16) & 0xff, number >> 24])
+	array.append(packed)
+
+with open(targetpath, 'w') as f:
+	f.write('tagets:\n')
+	for packed in array:
+		f.write(f'\tdb {", ".join(str(byte) for byte in packed)}\n')

dosdl.asm

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+org 0x100
+
+ret
+
+%include "dictionary.inc"
+%include "targets.inc"