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Index > DOS > Para512 - 512 byte paratrooper (with sources)

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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
nice, seems you was second Wink
Post 26 Oct 2006, 11:12
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Madis731



Joined: 25 Sep 2003
Posts: 2141
Location: Estonia
Madis731
the data section at the end: you can make a generator for this and shave off some bytes.
Like:
Code:
;For example:
dd 0,0
; could be changed to
xor eax,eax
mov [blah],eax
mov [blah+4],eax
    

that blah should be further optimized to use registers or sth.
Post 27 Oct 2006, 14:20
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
you mean data in my paratrooper (eg. graphics)?
Post 27 Oct 2006, 21:12
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Goplat



Joined: 15 Sep 2006
Posts: 181
Goplat
Madis731: Your example turns 8 bytes into 11; that's not an improvement.
Post 28 Oct 2006, 00:58
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Madis731



Joined: 25 Sep 2003
Posts: 2141
Location: Estonia
Madis731
Yeah, I know - of course it wouldn't be that simple - its not a complete example.

The definition of the data could be arranged into a loop where you generate pseudorandom data in eax and store it. The pseudorandom data would eventually be the graphics data. Finally you can make a generator for even more beautiful graphics and still have the same size. Just change the first constant that the calculation starts from...
...maybe I just have to post an example Very Happy LOL
Post 28 Oct 2006, 09:59
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sylwek32



Joined: 27 Apr 2006
Posts: 339
sylwek32
Hey vid,
what about a version with background music?
Its possible to do it in a ~4K version.
Post 28 Oct 2006, 21:45
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
4K? see "omniscent" Wink
Post 29 Oct 2006, 09:40
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rugxulo



Joined: 09 Aug 2005
Posts: 2341
Location: Usono (aka, USA)
rugxulo
Okay, Eric Auer has tweaked vid's para512 to use 386-compatible random number generation, plus it has a score bar now (though it's too easy, IMO). It's 631 bytes now. He says his changes are public domain.

http://www.coli.uni-saarland.de/~eric/para512e.zip

Tested new version successfully under WinXP (fullscreen DOS prompt, AMD AthlonXP), DOSBox 0.70 (WinXP, Intel P4), and FreeDOS 1.0 boot disk (my 486 Sx/25).
Post 24 May 2007, 21:56
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
nice, thanks for letting me know.

where does that link come from? i couldn't find anything about it on his site (my german is really poor)
Post 24 May 2007, 22:31
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rugxulo



Joined: 09 Aug 2005
Posts: 2341
Location: Usono (aka, USA)
rugxulo
Believe me, my German is worse than yours, by far!

Anyways, I e-mailed Mr. Auer about something unrelated and mentioned / showed him the tiny paratrooper thingy you wrote, and he tweaked it and told me the direct link to get it. AFAIK, it isn't on his site under any obvious link. And he asked me to mention it here. Smile
Post 29 May 2007, 00:46
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