On 2013-08-01, Grant Edwards <invalid@invalid.invalid> wrote:
> On 2013-08-01, Joshua Landau <jos...@landau.ws> wrote:
>> On 31 July 2013 17:32, Grant Edwards <invalid@invalid.invalid> wrote:
>>
>>> On 2013-07-31, Tim Chase <python.l...@tim.thechases.com> wrote:
>>> > On 2013-07-31 07:16, Joshua Landau wrote:
>>> >> On 30 July 2013 18:52, Grant Edwards wrote:
>>> >>> I also find intializers for tables of data to be much more easily
>>> >>> read and maintained if the columns can be aligned.
>>> >>
>>> >> Why do you have tables in your Python code?
>>>
>>> For example: if you're writing an assembler, you usually have a table
>>> of mnemonics/opcodes/instruction-format/addressing-modes.
>>
>> Why are you writing an assembler?
>
> I got tired of hand assembling (and disassembling) code for a custom
> microprocessor, so I wrote an assembler and a disassembler.
FWIW, 250 lines of Python gets you a pretty decent 2-pass absolute
assembler with full arithmetic expression support (including
user-defined symbols). That 250 lines includes the "table" that
defines the individual instructions.
And yes, the columns in that table are aligned using spaces. ;)
--
Grant Edwards grant.b.edwards Yow! I just had a NOSE
at JOB!!
gmail.com
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