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A cross-assembler for the 6502 series of microprocessors.
e47073bc1d
This is a full optparse-based parser for all the options we want to have in Ophis 2.0, but the pass-disablers aren't working yet. This also doesn't handle positional arguments the way we hope to eventually; that will come later. optparse is deprecated in 2.7, but its replacement isn't available in any previous version of Python, so we avoid it so as to not gratuitously break compatibility on older machines. It would be nice to at least stay usable on stock Leopard Macs (2.5). |
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Ophis is a cross-assembler for the 65xx series of chips. It supports the stock 6502 opcodes, the 65c02 extensions, and syntax for the "undocumented opcodes" in the 6510 chip used on the Commodore 64. (Syntax for these opcodes matches those given in the VICE team's documentation.) Ophis is written in pure Python and should be highly portable. It is provided under the MIT license, reproduced below: --- Ophis, Copyright (C) 2002-2010 Michael Martin and contributors 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.