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Architectures: AMIGA A1200(HD), FS-UAE, (OSX 10.15.7 and Ubuntu).
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MINIMUM Requirements Are:-
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Stock A1200(HD) and 4MB Fastram.
FS-UAE 3.0.2, minimum.
Standard AMIGA OS 3.0.x install or better.
Python Version 2.4.6 install, (full install on AMINET):
http://aminet.net/package/dev/gg/python2.4-m68k-amigaos
NOT tested on WinUAE but it should work.
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History:-
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Now replaced with:- dev/src/BrainF_ck_Interpreter.lha
06-05-2021.
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Version 1.00.10. Cured a silly bug in the original code and added the code
version that caused an occasional error on FS-UAE.
First uploaded as:- dev/src/BrainF_ck_Int._Python.lha
15-04-2021.
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Version 1.00.00. Probably the one and only upload for this archive.
(This version reached 203 downloads.)
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General:-
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(Apologies for any typos, etc...)
This is a very basic, simple Python BrainFuck Interpreter.
It was inspired by this Python 3.x.x code:
https://rosettacode.org/wiki/Execute_Brain****/Python
I re[-]factored it to work on an AMIGA Python 2.4.6 for we AMIGAns.
If you have never heard of BrainFuck then read the 'wiki' on it here:
https://en.wikipedia.org/wiki/Brainfuck
I don't think Python 1.4.0 to 2.0.1 is possible using this simplicity of
code but may be possible as a more verbose longhand style of program.
There are 6 files inside the drawer:
1) This readme file.
2) BrainFuck.py - the naive Python code.
3) BrainFuck_POP.py - the code that had an occasional error on FS-UAE.
4) BrainFuck_Notes.txt - a very basic rundown of how BrainFuck works.
5) Goodbye.bf - a BF source file that prints Goodbye, World!
6) Hello.bf - a BF source file that prints the usual Hello World!
7) BrainFuck_Bell.sh - a *NIX 'dash' shell script that rings the bell.
All the source files have marginally differing BrainFuck approaches to
get the job done.
The shell script is for 'dash' and will need changing to suit your shell
if you don't have 'dash'. It saves the BrainFuck script inside the /tmp/
drawer of your *NIX flavour that you might use. That path to BrainFuck.py
will need changing too but it is assumed that python itself is in the
*NIX path.
There may be bugs and limitations but it is a script and you can do with
it as you please. Read 'The Legal Stuff.' below.
I am a bit of a naive coder and choose to use 'x = x + 1' instead of
'x += 1' and other small code snippets.
In the code from the URL above there is a line:
sptr = loop_stack.pop()
It does work fine on a Classic AMIGA and now added for fullness. It is a
fraction quicker too.
I took it out because FS-UAE had a problem with it although Python 2.4.6
does have it as an attribute, hence the long hand code. It might be a
problem of Python running under FS-UAE, who knows.
All the __variables__ have more verbose names to make it easier to
read and understand.
LBNL, the archive of Python 2.4.6 is limited, as many of the expected
builtins are not there, 'math' and 'cmath' are but two. Also the inbuilt
floating point arithmetic is poor compared to AMIGA Python 1.4.0 - 2.0.1.
It does run under a stock AMIGA A1200(HD) and requires no extras.
I look forwards to seeing some BrainFuck code snippets on here. <wink>
OR...
Maybe a vastly improved BF Interpreter, in AmigaBASIC for A500 users. ;oO
Enjoy...
Bazza...
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Lincolnshire Amiga Group:
https://lincsamiga.org.uk/wordpress/
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This archive is issued under the CC0 Licence. Public Domain.
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IMPORTANT:-
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The Legal Stuff:-
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This code is CC0 licenced. (Public Domain.)
The author is not responsible for any damage to, or loss of, or failure
of equipment or data caused in any way by the use of this code.
There is NO warranty with the use of this software release and
YOU USE IT AT YOUR OWN RISK.
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Testing Evaluation:-
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A1200(HD) and FS-UAE conditions were/are running standard OS 3.0.x and
using standard ~topaz 8~ fonts throughout. The minimum hardware and
software requirements ARE needed however.
I have no idea what strange configuration setups will create so refer
to the ~The Legal Stuff~ above.
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Barry Walker, G0LCU.
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A very useful HardWare related site, (C) Anthony Hoffman, for
modifications, schematics, repairs and the like is:-
http://amiga.serveftp.net/
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|
Contents of dev/src/BrainF_ck_Interpreter.lhaPERMISSION UID GID PACKED SIZE RATIO METHOD CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[generic] 2362 5753 41.1% -lh5- a231 May 5 1980 BrainF_ck_Interpreter/BrainF_ck_Interpreter.readme
[generic] 965 2307 41.8% -lh5- 5262 May 5 1980 BrainF_ck_Interpreter/BrainFuck.py
[generic] 205 384 53.4% -lh5- bf37 Apr 14 1980 BrainF_ck_Interpreter/BrainFuck_Bell.sh
[generic] 971 2416 40.2% -lh5- dba2 Apr 14 1980 BrainF_ck_Interpreter/BrainFuck_Notes.txt
[generic] 820 1817 45.1% -lh5- 3e9f May 5 1980 BrainF_ck_Interpreter/BrainFuck_POP.py
[generic] 63 196 32.1% -lh5- 7391 Apr 14 1980 BrainF_ck_Interpreter/Goodbye.bf
[generic] 52 106 49.1% -lh5- f8b9 Apr 14 1980 BrainF_ck_Interpreter/Hello.bf
---------- ----------- ------- ------- ------ ---------- ------------ ----------
Total 7 files 5438 12979 41.9% May 6 02:34
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