Re: Does anyone have Xtory CD ?

1999-02-04 Thread Anne de Raad

I was digging also, but I think I was digging at the wrong spot. The name
doesn't ring a bell at all. Could you explane please?



Well, I am not sure, though, maybe you are digging at the right spot. Tell
me what you are thinking ofMaster

I always thought Nijmegen had something to do with FUTURE MAGAZINE (not
anything to do with FUTUREDISK, by the way)

Future Magazine emerged with some other disk founding the illustrious
CLUBGUIDE..

Which led to Clubguide Picturedisk

Which led to Sunrise Picturedisk..

And Sunrise Magazine of course..

And too..well, I don't know.. Point of no return, I
guess..

Greetz,

Anne de Raad



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RE: Does anyone have Xtory CD ?

1999-02-04 Thread Patrick Kramer



 -Original Message-
 From: Robert Vroemisse [SMTP:[EMAIL PROTECTED]]
 Sent: Thursday, February 04, 1999 2:51 PM
 To:   '[EMAIL PROTECTED]'
 Subject:  AW: Does anyone have Xtory CD ?
 
 
 
  --
  Van:Anne de Raad[SMTP:[EMAIL PROTECTED]]
  Verzonden:  donderdag 4 februari 1999 14:48
  Aan:[EMAIL PROTECTED]
  Onderwerp:  Re: Does anyone have Xtory CD ?
  
   Sorry. Are they the today's version of "MSX club Nijmegen"
  
  
  I wonder if the Dutch readers DO understand this. I really had to dig
 deep
  in my memory for this...
  
  A gloomy diskmagazine arises at the horizon.
  
  And some very familiar names...
  
  
  h.
  
  Anne
  
 I was digging also, but I think I was digging at the wrong spot. The name
 doesn't ring a bell at all. Could you explane please?
 
 Hideo
 
MSX "copy" club Nijmegen was known for their copy-parties.
I've never been there, but some members of the MSX-club I was member
of, have. We're talking around 1989 now. "We've been to Nijmegen" meant the
same as "we brought new software"

Patrick





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Re: tape storage details

1999-02-04 Thread shevek

On Thu, 4 Feb 1999, Zoran Majcenic wrote:

 Hi,
 
 Can anyone point me to or give me details of tape storage ?
 I'm interested in file headers, bit representation and possible use of 
 parity or CRC.

The easiest way to use the tape is via the bios. You have routines for
write header (long/short), read header, read character and write
character. It should be possible to do it direct as well, but there's not
very much use for it, except if you want to be sure others can't read your
files... You have to make your own code for storage anyway if you use tape
directly, so it's up to you if you add a CRC... I don't know if the bios
routines use parity bits, but I don't think you can change it.

Bye,
shevek

---
Visit the internet summercamp via http://polypc47.chem.rug.nl:5002



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Re: A question...

1999-02-04 Thread Laurens Holst

 As far as I know there still isn't a program for the MSX with which
 you can (like RAR or ARJ) devide large files into smaller pieces (to
 reassemble later) which can, for instance, fit on a disk.
 Compression is not even nessacary, just the deviding...

Eehhhthat's what I would call a file-splitter...
Like the one I just uploaded (Split v1.1) a couple of days ago.
So: there is!

Can you just re-assemble them on the MSX using CONCAT and on the PC using
COPY /B???


~Grauw



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Dragon Slayer VI

1999-02-04 Thread Pablo Vasques Bravo-Villalba

CLAUDIO MASSAO KAWATA - 900293 wrote:
 Continuing my digging into the heap of old EMs (I'm about
 at Jan. 23rd), I've got some EMs about "Dragon Slayer",
 "Legend of Heroes" and "Xanadu". It is very, very, very long
 since I last played "Dragon Slayer - Legend of Heroes" (MSX,
 of course), but I don't remember it being called "Dragon Slayer
 VI" anywhere. It shouldn't, because it is an independent series
 from the beginning. If it is indeed named "D.S.6" in MSX, then
 it is another unique game for the system, 'cause all other have
 it as the first of the new series. That's the reason its sequels
 has nothing to do with the other "Dragon Slayer" sequels (except
 for the background environment, of course).

Seems like in some japanese magazines the game is
indeed subtitled "Dragon Slayer VI". I think there
is some MSX-Magazine (the magazine ^^) with a
report on Dragon Slayer games, including Dragon
Slayer II - Xanadu. :)

I'll have to research further, tho. I'll tell you
about my findings.

[][]s, 
`:) Parn
ICQ# 1693182
[EMAIL PROTECTED]
--- "Music of the soul", Mitsuo Hagita


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AW: Does anyone have Xtory CD ?

1999-02-04 Thread Robert Vroemisse



 --
 Van:  Anne de Raad[SMTP:[EMAIL PROTECTED]]
 Verzonden:donderdag 4 februari 1999 15:06
 Aan:  [EMAIL PROTECTED]
 Onderwerp:Re: Does anyone have Xtory CD ?
 
 I was digging also, but I think I was digging at the wrong spot. The name
 doesn't ring a bell at all. Could you explane please?
 
 
 
 Well, I am not sure, though, maybe you are digging at the right spot. Tell
 me what you are thinking ofMaster
 
The FORCE is strong in this one. Give yourself up to the dark site (sigh). 

 I always thought Nijmegen had something to do with FUTURE MAGAZINE (not
 anything to do with FUTUREDISK, by the way)
 
 Future Magazine emerged with some other disk founding the illustrious
 CLUBGUIDE..
 
 Which led to Clubguide Picturedisk
 
 Which led to Sunrise Picturedisk..
 
 And Sunrise Magazine of course..
 
 And too..well, I don't know.. Point of no return, I
 guess..
 
 Greetz,
 
 Anne de Raad
 
Bye
Robert (JEDI master)

 
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 the
 quotes :-) Problems? contact [EMAIL PROTECTED]
 (www.stack.nl/~wiebe/mailinglist/)
 
 


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R: tape storage details

1999-02-04 Thread Stefano Fronteddu

Hi to You,
  look in my MSX Soft Tips Page, there you'll find an assembly routine that
use bios call to read header from tape.
It will be useful for you I think !
Bye,
 Stefano
---
Fronteddu Stefano
Student in Software Engineering
[EMAIL PROTECTED]
[EMAIL PROTECTED]
http://space.tin.it/computer/stfront  MSX, Sardinia, Robotics, Friends
http://computer.digiland.it/1461   MSX Soft Tips Page
Member of Miri Software - Italy  http://Frengo.dragonfire.net/MSX.HTM
ICQ: 21401454
0338/3645458
-Messaggio originale-
Da: Zoran Majcenic [EMAIL PROTECTED]
A: msx [EMAIL PROTECTED]
Data: giovedì 4 febbraio 1999 15.01
Oggetto: tape storage details


Hi,

Can anyone point me to or give me details of tape storage ?
I'm interested in file headers, bit representation and possible use of
parity or CRC.

Thanx


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AW: Legends...

1999-02-04 Thread Coen van der Geest

Hi there,

"Legend of Heroes" and "Xanadu". It is very, very, very long
since I last played "Dragon Slayer - Legend of Heroes" (MSX,
of course), but I don't remember it being called "Dragon Slayer
VI" anywhere. It shouldn't, because it is an independent series

No, Legend of Heroes was the subtitle of Dragonslayer 6, just as
Sorcerian is Dragonslayer 5. Just look at the logo-screen, just after
the text intro, you will see Dragonslayer being mentioned. I believe the
japanese PC88 also have these titles. But Dragonslayer 1 has nothing to
do with 2 (Xanadu), Dragonslayer 2 has nothing to do with 3 (Romancia),
Dragonslayer 3 has nothing to do with 4 (Dragon Family or something),
Dragonslayer 4 has nothing to do with 5 (Sorcerian), etc... :-) (old
Finkers joke). 

Grtz
Coen





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Re: tape storage details

1999-02-04 Thread Mindaugas_Piesina%UAB

Hi,

I found in ftp://ftp.funet.fi/pub/msx/emulator/fmsxd131.zip/Fmsx-dos.txt:

 Tape emulation
 ==
 The tape emulation isn't nearly finished. Saving and loading files from
 BASIC works correctly (Metal Gear saves perfectly as well), but there are
 some major problems creating tape images from real MSX tapes. There's no
 program shipped with the emulator that does this

It's in 1996.  What the situation is today?  Are there hard-/software
solutions to bring my
old files from a MSX tape to the PC, not using a MSX computer?

Mindaugas.




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Re: tape storage details

1999-02-04 Thread Nestor Soriano

Can anyone point me to or give me details of tape storage ?
I'm interested in file headers, bit representation and possible use of 
parity or CRC.

You can find those details in MSX Technical Handbook (chapter 5 if my
memory don't fails). You can donwload it from my home page.


-
Konami Man - AKA Nestor Soriano (^ ^)v - Itsumo MSX user

http://www.geocities.com/SiliconValley/Bay/9797/msx.htm
 [EMAIL PROTECTED]   ICQ#: 18281450
 Please don't send me messages with HTML code

   "New Pentium 34. Obsolete in 2 months. Guaranteed!"

-


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Re: tape storage details

1999-02-04 Thread Manuel Bilderbeek

 Hi,
 
 I found in ftp://ftp.funet.fi/pub/msx/emulator/fmsxd131.zip/Fmsx-dos.txt:
 
  Tape emulation
  ==
  The tape emulation isn't nearly finished. Saving and loading files from
  BASIC works correctly (Metal Gear saves perfectly as well), but there are
  some major problems creating tape images from real MSX tapes. There's no
  program shipped with the emulator that does this
 
 It's in 1996.  What the situation is today?  Are there hard-/software
 solutions to bring my
 old files from a MSX tape to the PC, not using a MSX computer?
 
 Mindaugas.

Not really, I believe, but some people seem to work on it. See The Ultimate MSX
FAQ: http://www.faq.msxnet.org, emulator section.

Grtjs, Manuel

PS: MSX 4 EVER! (Questions? See: http://www.faq.msxnet.org)
PPS: Visit my homepage at http://www.sci.kun.nl/marie/home/manuelbi 


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Re: AW: Legends...

1999-02-04 Thread Pablo Vasques Bravo-Villalba

Coen van der Geest wrote:
 Dragonslayer 3 has nothing to do with 4 (Dragon Family or something),

Drasle Family =)

`:) Parn
ICQ# 1693182
[EMAIL PROTECTED]
--- "Music of the soul", Mitsuo Hagita


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Re: AW: msx-ers

1999-02-04 Thread Maarten ter Huurne

At 10:50 PM 2/2/99 +0100, you wrote:

By the way, I also really like the SCC chip.
It can have an incredibly full sound (only 5 channels) and is very fast.

I'm working on SCC emulation for the MoonSound.
Right now, it works only for SCC Musixx files, but I hope to add it to a
certain Konami game later.

A problem I'm having is that the technical limitations of the SCC seem to
give it its characteristic sound. By "technical limitations" I mean the
fact that SCC has very abrupt level changes (square-formed, no
interpolation) and that it produces a lot of noise.
At the moment, the MoonSound SCC emulation sounds too "rounded", in
contrast to the "raw" SCC sound. Especially for the strings, the sound is
not as SCC-like as I want it to be. However, the bass is a lot better when
emulated.

By the way, did you know that the formula for SCC frequencies is like this:

sccfreq = (msxfreq / 32) / (sccfnum + 1),  where:
   sccfreq is the played frequency (in Hertz)
   msxfreq is the MSX clock frequency (3579545 Hz)
   sccfnum is the value you poke in the SCC memory area

None of the info I had (including the info I put on my web page) mentioned
the "+1"...
But when I was sampling the SCC's output to see why the emulation didn't
sound right, I noticed the frequency that was played was different from the
one I expected. In fact, it was equal to the frequency of the neighbouring
fnum.

Bye,
Maarten



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Re: Legends of EXE-packer...

1999-02-04 Thread Adriano Camargo Rodrigues da Cunha


Cyberknight,

 For PC, there is an on-development EXE-packer (compress and keeps
 the file still executable) named Apack. I'm using it, even still
 being a beta, because it really smashes things! Far better than
 PKLite and Diet, for example. And what does it have to do with MSX?
 Unfortunately, nothing, and that's why I'm mentioning it: there is
 no EXE-packer for MSX! Or is there and I never realized that? Yes,
 right, MSX would run out of memory and the program would be too
 slow to start executing. Maybe MSX shouldn't have an EXE-packer...
 Could someone find a use to an EXE-packer for MSX...?

There IS an EXE-packer for MSX.
PMARC has a module named PMAEXE2.COM that can be joined to your
PMARC file, turning it into a EXE-packed. Don't confuse with PMASFX2.COM,
that is a self-extract module for PMARC files.
But I don't see many advantages in using it. Generally, MSX
programs are small (yes! we don't have windows!!!) and the PMA-unpacker is
somewhat slow...

 [Unisys copyright of GIF]
 Today, all programs
 able to handle appropriately GIF files must pay to the damn 
 (choose your favourite "I HATE YOU" word).

UNISYS royalties are "only" US$2000 for using LZH decompression
algorithms in your program... :O
If I remember right, freewares aren't subject to this.


Adriano Camargo Rodrigues da Cunha   ([EMAIL PROTECTED])
Engenharia de Computacao - UNICAMP
http://www.adrpage.cjb.net   MSX-TR:I have one.And you?

 *** NEW URL! AdrianPage now is at http://www.adrpage.cjb.net ***

* If there would be life after dead, Asimov already would write a book about it. *



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Re: Hi all!

1999-02-04 Thread Sander Zuidema

Welcome to the list...
I still got a trauma from bananenvla


My music wasn't that bad, was it? :)

Sander



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Re: Hi all!

1999-02-04 Thread TFH

Do you really wish to have an answer to that question ???

Go visit the MSX Emulator Page (M.E.P.) 
http://www.mep.msxnet.org
http://surf.to/msxemu 
http://www.casema.net/~tfh
ICQ:1446
-Oorspronkelijk bericht-
Van: Sander Zuidema [EMAIL PROTECTED]
Aan: [EMAIL PROTECTED] [EMAIL PROTECTED]
Datum: donderdag 4 februari 1999 22:17
Onderwerp: Re: Hi all!


|Welcome to the list...
|I still got a trauma from bananenvla
|
|
|My music wasn't that bad, was it? :)
|
|Sander
|




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Re: Hi all!

1999-02-04 Thread Sander Zuidema

|My music wasn't that bad, was it? :)
Do you really wish to have an answer to that question ???

Only if you say that my music back then was amazingly perfect
So lie to me :)

To be serious: Yeah I'd like to know what people think of my music.
I don't consider my music on Bananenvla as good music.
However, I was very satisfied with the result of Not Again!

Greetz,

Sander Zuidema
Listen to my music at:
http://members.tripod.com/moonsynth




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Trouble with ruMSX or fmsx

1999-02-04 Thread yoyo

Hello MSXfans :-)

I'm a trouble with ruMSX, it's too slow in my PC (under W98)

Under fmsx-dos I'm a trouble too : Aleste Gaiden, Feedback, Golveillus 2
don't run...

I have a real MSX (Turbo-R), but something I play under MSXemulation (via
PC)...

Greeting from France

Lionel (aka yoyo)






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Re: Hi all!

1999-02-04 Thread QUICKzAND


Welcome to the list...
I still got a trauma from bananenvla


My music wasn't that bad, was it? :)

Sander

nah I loved it back then :)
but the disklabel really hurts yer eyes!!



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Re: Trouble with ruMSX or fmsx

1999-02-04 Thread TFH

-Oorspronkelijk bericht-
Van: yoyo [EMAIL PROTECTED]
Aan: [EMAIL PROTECTED] [EMAIL PROTECTED]
Datum: donderdag 4 februari 1999 22:44
Onderwerp: Trouble with ruMSX or fmsx


|Hello MSXfans :-)
|
|I'm a trouble with ruMSX, it's too slow in my PC (under W98)

That's not so strange.. To get RuMSX up and running at a decent speed,
you'll need at least a PII at 266 mhz... (Strange eh ??? All this to emulate
an 8-bit 3.58 Mhz machine !!

|
|Under fmsx-dos I'm a trouble too : Aleste Gaiden, Feedback, Golveillus 2
|don't run...


Then you are doing something wrong.. Aleste Gaiden  Feedback both work O.K
with fmsxdos 1.6b2. Golvellius I haven't tried to be fair. Ehmm... Feedback
does give a messed up screen during the intro though, but for the rest it
should work okay. Please check your settings, or download the correct
versions of these games from my site: http://www.casema.net/~tfh You'll also
find over 1000 other games there.

|I have a real MSX (Turbo-R), but something I play under MSXemulation (via
|PC)...
|


Me to... Sometimes it's nice just to fool around with some of these cool
games !!

Greetz,

Arnaud

Go visit the MSX Emulator Page (M.E.P.)
http://www.mep.msxnet.org
http://surf.to/msxemu
http://www.casema.net/~tfh
ICQ:1446




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Re: tape storage details

1999-02-04 Thread Alwin Henseler


Hi all,


Manuel Bilderbeek   [EMAIL PROTECTED]  wrote:

  It's in 1996.  What the situation is today?  Are there hard-/software
  solutions to bring my
  old files from a MSX tape to the PC, not using a MSX computer?
  
  Mindaugas.
 
 Not really, I believe, but some people seem to work on it. See The Ultimate MSX
 FAQ: http://www.faq.msxnet.org, emulator section.

There is one (only in principle) simple solution for this:

a) Hook up a tape recorder to the line input of a common PC 
(sorry...) soundcard
b) Simply record as audio to a .WAV file
c) Write your own program (choose your favourite programming 
language) to process the info in that .WAV file

I agree, not quite as simple as it might look   ;-((


BTW: I do have a ZX-Spectrum emulator which can use some simple 
cassette interface, hooked up to the PC's (sorry...) parallel port. 
So something like it -does- exist.


Alwin Henseler   ([EMAIL PROTECTED])

http://huizen.dds.nl/~alwinh/msx  MSX Tech Doc page



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Re: compression methods

1999-02-04 Thread Alwin Henseler


Hi you all !


"CLAUDIO MASSAO KAWATA"   [EMAIL PROTECTED]  wrote:

 (...)
 Unfortunately, nothing, and that's why I'm mentioning it: there is
 no EXE-packer for MSX! Or is there and I never realized that?

There is: POPCOM.COM:  easy to use, not so great compression
   (compressed .COM file usually some 60-65 % of original)
Also restoring compressed files doesn't always work perfectly 
(although unpacking on execution goes fine).

But PMarc can also (in conjuction with some other file) produce 
self-extracting COM-files. But works difficult, and reeeaaalllyyy 
**ZZzzz** slow
POPCOM de-compresses really quickly, about as fast as when loading it 
from a slow drive.


 Yes, right, MSX would run out of memory and the program would be too
 slow to start executing.

Need not be so. If the file is compressed, that means space is saved, 
that can be used for the unpacking code.
Also when the compressed file is smaller, this saves on disk load 
time. The net result is just a matter of compression efficiency, 
speed, and code size required to use it.


 Maybe MSX shouldn't have an EXE-packer...
 Could someone find a use to an EXE-packer for MSX...?

(no use, there are no EXE's to pack on MSX...;-)
Use is limited, because...most MSX program files simply aren't that 
big..(what's 20 kB., even for a Z80?).
Disadvantages:
-sometimes difficult to see IF a file is compressed (or what method)
-difficult to modify with a simple disk-editor
-might interfere with programs that store settings in the COM-file 
itself (like with TED editor)

Advantages:
-less disk space needed
-difficult to modify with a simple disk-editor
(more difficult for hackers)

On PC's (sorry..) that's just a different calculation, with far 
bigger EXEs, more memory  disk space, faster CPU's etc.

BTW: PC's LHA can also produce self-extracting .LZH files (eh, well, 
EXE's). Does anyone know if MSX's LHPACK can do that as well?


 The docs don't and, for a long time, won't contain
 the "important" data, that is, the compression algorithms. It
 happens that most of them are copyrighted (yes, we live in a world
 where ideas can be labelled and hidden in a safe). If someone
 really wants to make a PKZip compatible compressor/decompressor,
 get QUICK the Info-ZIP's freewares "zip" and "unzip" sources,
 they still contain the implementation of all PKZip methods.
 The only ones that are really annoying are "shrink" and "unshrink",
 the copyright owners* are trying to force the group to keep the
 implementations out of the package (they are currently part of the
 source files, but they are not compiled "normally", you must make
 custom versions if you want to have your "zip" and "unzip" to use
 the methods - I tried but couldn't, too much for the poor Boreland
 C compiler, and not enough patience/time to set-up DJGPP). The
 other methods ("stone", "melt" and so on) work fine in PC (DOS),
 Unix (Sun Sparcs, Digital Alphas) and Linux. Only once I got a
 file that was "crunched" and had to dig out my PKUnzip (ugh!)
 Check "http://ftp.unicamp.br/pub/pc/archivers/" (the address
 is correct, it is HTTP to access an old FTP site - FTP is also
 available), files "unzip540.zip" (PLEASE, DON'T LAUGH! - yes, the
 sources are packed!) and "zip22.zip/zip23k.zip" (the second is
 new beta). If you have access to a PC clone, download also the
 "self-extractor", so you can extract, later, the sources (look
 out for a ".EXE").

These sources can also be found on a more well known source: SimTel 
(in the DOS collection, I think).
It does contain *all* sources for PKZIP 2.04-compatible crunching  
uncrunching. Sources are in C though...


 *And now, my spamming against the copyright (claimers) owners
 of the shrink algorithm. Since 1987, Compuserve has spread a new
 image file format, the very well known GIF. It uses an algorithm
 named Lempel-Ziv-Huffman (LZH).

Errata: GIF uses LZW (Lempel, ZivWelch) method.
I suspect similar to LZH ( ARC,  ZIP etc.), but still something 
different.
And I agree, GIF copyright policy sucks bigtime
(if possible, better use PNG for instance).


 (choose your favourite "I HATE YOU" word). Of course, other programs
 also used LZH (LHA, PKZip and so on) and they also have to pay for
 the use of the algorithm (that is not all that good - there are better
 around - but files that use it saturate the world).

Nonsense...these are really different methods (although maybe having 
some common origin).
LZH = freeware by some Japanese dude, and nobody's gonna change 
that(sources available too)
And ZIP is *really* a free format. There have been many companies and 
interested parties who investigated ZIP's copyrights, and common view 
is that it's FREE (and should be).

And so was written...


Alwin Henseler  ([EMAIL PROTECTED])

http://huizen.dds.nl/~alwinh/msx MSX Tech Doc page



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Re: Split v1.1...

1999-02-04 Thread Alwin Henseler


"Laurens Holst"[EMAIL PROTECTED]  wrote:

  As far as I know there still isn't a program for the MSX with which
  you can (like RAR or ARJ) devide large files into smaller pieces (to
  reassemble later) which can, for instance, fit on a disk.
  Compression is not even nessacary, just the deviding...
 
 Eehhhthat's what I would call a file-splitter...
 Like the one I just uploaded (Split v1.1) a couple of days ago.
 So: there is!
 
 Can you just re-assemble them on the MSX using CONCAT and on the PC using
 COPY /B???

Sure! Anyway you like, as long as you have all the parts!


Alwin   ([EMAIL PROTECTED])

http://huizen.dds.nl/~alwinh/msxMSX Tech Doc page



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soundcard

1999-02-04 Thread Sander Zuidema

Hey Alwin,

Whatever happened to that sampler/soundcard you were developing?

Greetz,

Sander Zuidema
Listen to my music at:
http://members.tripod.com/moonsynth




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Re: Booting DOS 1/2

1999-02-04 Thread Sander Zuidema

Hey Alwin!

 Greetings (and to you too, Sander Zuidema ! ;-))
.yep, this guy is a musical genius indeed

Thank you very much Alwin. You're giving me more credits than I deserve I
guess...
Good to hear from you again anyway. Glad you're still active.

Sander Zuidema



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AW: AW: msx-ers

1999-02-04 Thread Robert Vroemisse





 Hmmm ??? Great Ammount ??? Over here a sound card with 16 bit sound will
 cost you less then US$ 25,-.. That's not so expensive, isn't it ?
 
 
But you don't have a wavetable for that amount of money.




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Re: Legends... of packers.

1999-02-04 Thread MARUJO

Cyber Knight wrote:

Maybe MSX shouldn't have an EXE-packer...
Could someone find a use to an EXE-packer for MSX...?

Ja' usou o popcom para arquivos .COM ?
Infelizmente ele nao empacota outros arquivos, somente
o arquivo .com  (pelo menos gasta menos espaco em dis-
co)

Esta' no ftp da funet, nao lembro o diretorio.

MARUJO.
 ___ _   _ ___ ___
|   | |_| |_ __  _  __| WALTER BERNARDO NUNES |
| /|| |_   _|  \| |/ /| [EMAIL PROTECTED]|
 \  /  || | | |_|  / / Graduacao Fisica-UFRGS |
   \  /|| |_| |_  |_| |/__|
 \__/__||___|___|___|_|_ / MSX pra geracao que nao vai 
___ mandar o mundo pelos ares.
 /"\
 \ / CAMPANHA DA FITA ASCII - CONTRA MAIL HTML
  XASCII RIBBON CAMPAIGN - AGAINST HTML MAIL
 / \
On Thu, 4 Feb 1999, CLAUDIO MASSAO KAWATA - 900293 wrote:

   Hi!  |
   A|A
  (n n)
   \_/
 
 Continuing my digging into the heap of old EMs (I'm about
 at Jan. 23rd), I've got some EMs about "Dragon Slayer",
 "Legend of Heroes" and "Xanadu". It is very, very, very long
 since I last played "Dragon Slayer - Legend of Heroes" (MSX,
 of course), but I don't remember it being called "Dragon Slayer
 VI" anywhere. It shouldn't, because it is an independent series
 from the beginning. If it is indeed named "D.S.6" in MSX, then
 it is another unique game for the system, 'cause all other have
 it as the first of the new series. That's the reason its sequels
 has nothing to do with the other "Dragon Slayer" sequels (except
 for the background environment, of course).
 
 And what does "Xanadu" have to do with it all. Simple, Xanadu,
 in the "Dragon Slayer" world, is a country. MSX "Xanadu" is an
 adventure on that country. There is an "anime" (Japanese animation
 movie) named "Xanadu - Dragon Slayer Densetsu" (`Xanadu - The
 Legend of Dragon Slayer'). Why? "Dragon Slayer" is the name of a
 legendary sword (that can slay dragons?) The hero of the story is
 a young soldier from Earth's 21st century, thrown into the "Dragon
 Slayer"'s world by an unknown event. Well, won't tell more, it
 wouldn't be fair if someone is planning to watch it. I warn that
 it's not a wonderful "anime", it has many "lost cues" (imagine what
 someone used to technology would be able to do in an almost rural
 world - okay, they have magic, but it's not great a thing if you are
 not endowed with the magical essence, and most people are not... yes,
 okay, only the "right" ones and the final boss). Anyway, that's
 what "Dragon Slayer" is about, a magical sword (okay, said too
 much already...) I personally prefer "Madara" (unfortunately, never
 released by Konami to MSX - indeed, never released to anything but
 Famicom).
 
 
 About self-extracting archives: most of them (well, all I had
 the chance to use) can be normally extracted with the proper tool.
 "Exempli gratia", if you have an "AUTOUNPK.EXE", which is a Zip
 SFX file, you can command:
 
 unzip -l AUTOUNPK.EXE
 
 ... And see the contents of the file. There is no need to execute
 the file itself (indeed, except when no independent tool is available,
 like stupid Windowsky packages, I use my own tools to avoid virus -
 only my Japanese package is currently unextractable except by itself).
 The same is valid for self-extractor of ARJ, RAR and LHA/LZH. Do
 not tested UltraCompressor, but then, it is a poor packer (and no
 comments about "stuffit").
 
 For PC, there is an on-development EXE-packer (compress and keeps
 the file still executable) named Apack. I'm using it, even still
 being a beta, because it really smashes things! Far better than
 PKLite and Diet, for example. And what does it have to do with MSX?
 Unfortunately, nothing, and that's why I'm mentioning it: there is
 no EXE-packer for MSX! Or is there and I never realized that? Yes,
 right, MSX would run out of memory and the program would be too
 slow to start executing. Maybe MSX shouldn't have an EXE-packer...
 Could someone find a use to an EXE-packer for MSX...?
 
 Anyway, still on the compression subject, someone complained
 about the Zip docs (oh, sorry, once more I deleted the original EM
 before the reply - you must understand, there was A LOT of unread
 messages in the box...) And it (he/she?) is absolutely right in
 complaining! The docs don't and, for a long time, won't contain
 the "important" data, that is, the compression algorithms. It
 happens that most of them are copyrighted (yes, we live in a world
 where ideas can be labelled and hidden in a safe). If someone
 really wants to make a PKZip compatible compressor/decompressor,
 get QUICK the Info-ZIP's freewares "zip" and "unzip" sources,
 they still contain the implementation of all PKZip methods.
 The only ones that are really annoying are "shrink" and "unshrink",
 the copyright owners* are trying to force the group to keep the
 implementations 

Re: compression methods

1999-02-04 Thread Alex Wulms

]  *And now, my spamming against the copyright (claimers) owners
]  of the shrink algorithm. Since 1987, Compuserve has spread a new
]  image file format, the very well known GIF. It uses an algorithm
]  named Lempel-Ziv-Huffman (LZH).
] 
] Errata: GIF uses LZW (Lempel, ZivWelch) method.
This is correct. LZW is the first efficient implementation of the LZ78 
algorithm (published by Lempel and Ziv in 1978). The LZW implementation has 
been done by Welch somewhere in the beginning of the 80's, who was working 
for ATT in those days. They filed for a patent something like one year after 
they published the implementation in a public paper. This patent has never 
been granted in Europe, only in the US. In Europe, it is not possible to 
request a patent AFTER you have published something in a public paper, 
conference proceeding or whatever. In the US it is.

Anyway, old compressors like ARC on CP/M, MSX and MS-DOS (not to be confused 
with LHARC!), and compress on UNIX are based on the LZW implementation. And 
ofcourse the GIF format is also based on the LZW algorithm.

Newer compressors, like ZIP, ARJ and LHARC are based on another algorithm 
described by Lempel and Ziv. This algorithm, called LZ77, was first published 
in 1977. It can achieve higher compression ratios then the LZ78 algorithm. 
Though it is much more difficult to come up with a fast and efficient 
implementation. Hence, the LZ78 algorithm was implemented years before the 
LZ77 algorithm...


Kind regards,
Alex Wulms


-- 
Alex Wulms/XelaSoft - MSX of anders NIX - Linux 4 ever
See my homepage for info on the  *** XSA *** format
http://www.inter.nl.net/users/A.P.Wulms




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Re: AW: msx-ers

1999-02-04 Thread Alex Wulms

] By the way, did you know that the formula for SCC frequencies is like this:
] 
] sccfreq = (msxfreq / 32) / (sccfnum + 1),  where:
]sccfreq is the played frequency (in Hertz)
]msxfreq is the MSX clock frequency (3579545 Hz)
]sccfnum is the value you poke in the SCC memory area
] 
] None of the info I had (including the info I put on my web page) mentioned
] the "+1"...
Yes.

I found this out when I wrote SME3, back in 1991. First I assumed it would be 
(msxfreq/32)/sccfnum, just like on the PSG. But it was detuned a little bit 
from the PSG. So I tried both +1 and -1 to find the proper formula and the +1 
worked fine.


Kind regards,
Alex Wulms


-- 
Alex Wulms/XelaSoft - MSX of anders NIX - Linux 4 ever
See my homepage for info on the  *** XSA *** format
http://www.inter.nl.net/users/A.P.Wulms




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