Re: [MSX] MetalGear2 memory map

2005-04-26 Thread Manuel Pazos
   Hi,
   Perhaps it is an address line? Have you tested other 512K ROMs?
   Cheers,
   Manuel
- Original Message - 
From: "Jun Sung Kim (???)" <[EMAIL PROTECTED]>
To: 
Sent: Tuesday, April 26, 2005 1:21 PM
Subject: [MSX] MetalGear2 memory map


Hello,
I'm testing my flash memory cartridge.
All other Konami's ROM cartridges are successfuly installed.
But MetalGear2 ROM can't ...
What is different except the size?
Greetings..
Jun.



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[MSX] MetalGear2 memory map

2005-04-26 Thread Jun Sung Kim (???)

Hello,

I'm testing my flash memory cartridge.

All other Konami's ROM cartridges are successfuly installed.
But MetalGear2 ROM can't ...
What is different except the size?

Greetings..
Jun.
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Re[2]: [MSX] IDE-CF: "No enough memory"

2004-09-02 Thread Adrian Oboroc

> And, by the way, IDE CF won't work in your MSX2+, because it needs 128 KB 
> RAM at least in order to work properly (due to MSXDOS2, that needs 128 KB).

It works fine in my MSX2+ :) But I think it's because I upgraded internal memory to  
512K :)

Hey Eduardo, if I'll go visit Spain, I will upgrade your MSX2+ "while you wait" :)
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RE: [MSX] IDE-CF: "No enough memory"

2004-08-28 Thread Carlos Milán Figueredo
> Hapzee: what you could also do is connect your MSX to your PC 
> via RS232, 
> and let the latter act as a server (bridge is the proper 
> word, I think). 
> Then you can use your broadband connection. I did it already 
> with Uzix 
> some time ago. Been chatting on IRC with Zica on my MSX (it was a bit 
> slow though -_-;; probably because everything in Uzix is C).

Yeah, I already did that. I did it successfully with Linux and Windows
NT 5.x.

By the way, it wasn't slow at all, at least in R800 mode :P

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Re: [MSX] IDE-CF: "No enough memory"

2004-08-28 Thread Laurens Holst
Javi Lavandeira wrote:
You tell me about that... This is how my MSX looked like when I was 
still living in Spain. Notice the mess behind the computer:

http://www.ag0ny.com/misc/terminal-linux-msx.jpg
Heh, yeah, that looks familiar. Not only the mess behind the MSX by the 
way, but also the small cabinet-thing on the right. Seems they have IKEA 
in Spain as well ;p.


Now there's just the IDE-CF cartridge, *WITH A SMALLER CARTRIDGE 
INSERTED INTO IT* (the CF memory card). What could be more MSX-like? ;)
^_^
Hapzee: what you could also do is connect your MSX to your PC via RS232, 
and let the latter act as a server (bridge is the proper word, I think). 
Then you can use your broadband connection. I did it already with Uzix 
some time ago. Been chatting on IRC with Zica on my MSX (it was a bit 
slow though -_-;; probably because everything in Uzix is C).

~Grauw
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Re: [MSX] IDE-CF: "No enough memory"

2004-08-28 Thread Hans-Peter Zeedijk
This is mine, still a lot of stuff around it, even with that CF-IDE.
What I want now is Internet with it. (should work, if I know how-to) with an
external modem on the IDE-RS232, but I rather want to use my cable-internet
like I do with that PC next to the MSX. (Ethernet connection)
http://home.planet.nl/~hapzee/My_MSX.htm
Greetz, Hapzee

- Original Message - 
From: "Javi Lavandeira" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, August 28, 2004 9:14 AM
Subject: Re: [MSX] IDE-CF: "No enough memory"


> Hi Laurens,
>
> > But, Javi, isn't the CF-IDE just extremely cool??? ^_^
>
> Yep, that's exactly why I bought it. :)
>
> > Really, I still love it :) small, silent, no external power supply...
>
> You tell me about that... This is how my MSX looked like when I was
> still living in Spain. Notice the mess behind the computer:
>
> http://www.ag0ny.com/misc/terminal-linux-msx.jpg
>
> Now there's just the IDE-CF cartridge, *WITH A SMALLER CARTRIDGE
> INSERTED INTO IT* (the CF memory card). What could be more MSX-like? ;)
>
> Regards,
>
> --
> Javi Lavandeira - http://www.ag0ny.com
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Re: [MSX] IDE-CF: "No enough memory"

2004-08-28 Thread Javi Lavandeira
Hi Laurens,
But, Javi, isn't the CF-IDE just extremely cool??? ^_^
Yep, that's exactly why I bought it. :)
Really, I still love it :) small, silent, no external power supply... 
You tell me about that... This is how my MSX looked like when I was 
still living in Spain. Notice the mess behind the computer:

http://www.ag0ny.com/misc/terminal-linux-msx.jpg
Now there's just the IDE-CF cartridge, *WITH A SMALLER CARTRIDGE 
INSERTED INTO IT* (the CF memory card). What could be more MSX-like? ;)

Regards,
--
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Re: [MSX] IDE-CF: "No enough memory"

2004-08-27 Thread Maico Arts
Hello,

> IIRC, I got the "No enough memory" when my SCSI interface was in a higher
> or lower (can't remember) slot than the IDE interface (I use a CF Adapter
+
> normal IDE interface). But since the OP specified nothing else was
> connected to his turboR, that can't be the problem...

The BERT scsi interface is known for this problem too:
I have several diskinterfaces and especially when connecting more than one
to the MSX you can get this kind of trouble. The BERT interface must be the
first one to use. With the exception of the internal diskinterface for the
floppydrive of my TurboR GT.

Most of the time you have to be carefull with the use of the driveletters...

Greetings
Maico Arts
MSX NBNO


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Re: [MSX] IDE-CF: "No enough memory"

2004-08-27 Thread Patriek Lesparre
Laurens Holst wrote:
Sunrise advises against using CF carts < 32MB because the chance for 
incompatibilities is much bigger for those.
No probs with my Kodak (Toshiba) 16MB cart. The thing with < 32MB carts is 
that you can't partition them with FDISK, but a normal 'big floppy' format 
can be done without problems.

IIRC, I got the "No enough memory" when my SCSI interface was in a higher 
or lower (can't remember) slot than the IDE interface (I use a CF Adapter + 
normal IDE interface). But since the OP specified nothing else was 
connected to his turboR, that can't be the problem...

Greetz,
Patriek
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Re: [MSX] IDE-CF: "No enough memory"

2004-08-27 Thread Eduardo Robsy Petrus
Yes, it is one of the best hardware pieces around!
Now I use a PC notebook with a PCMCIA CF adapter, and a Turbo-R GT with the 
CF IDE adapter and the MegaFlashSCC cart to upload what I code for MSX in my 
PC. Nice combination! It makes MSX development and debugging faster!

Regards,
Edward Robsy

From: Laurens Holst <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: [MSX] IDE-CF: "No enough memory"
Date: Fri, 27 Aug 2004 21:14:37 +0200
Javi Lavandeira wrote:
Your memory serves you very well. Booting while pressing DEL the computer 
started correctly and I was able to partition/format the card from a 
floppy disk.

I remembered that I had to do something like this (because I had an 
IDE+RS232 before), but I was pressing INS instead of DEL at boot. ;)

Thanks for the help,
Javi Lavandeira - http://www.ag0ny.com
But, Javi, isn't the CF-IDE just extremely cool??? ^_^
Really, I still love it :) small, silent, no external power supply... Not 
to mention that you can take it with you without having to be really 
careful --> http://www.sandisk.com/pressrelease/20040823.htm :)

~Grauw
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Re: [MSX] IDE-CF: "No enough memory"

2004-08-27 Thread Laurens Holst
Javi Lavandeira wrote:
Your memory serves you very well. Booting while pressing DEL the 
computer started correctly and I was able to partition/format the card 
from a floppy disk.

I remembered that I had to do something like this (because I had an 
IDE+RS232 before), but I was pressing INS instead of DEL at boot. ;)

Thanks for the help,
Javi Lavandeira - http://www.ag0ny.com
But, Javi, isn't the CF-IDE just extremely cool??? ^_^
Really, I still love it :) small, silent, no external power supply... 
Not to mention that you can take it with you without having to be really 
careful --> http://www.sandisk.com/pressrelease/20040823.htm :)

~Grauw
--
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Re: [MSX] IDE-CF: "No enough memory"

2004-08-27 Thread Javi Lavandeira
Hi Maico,
If memory serves well, you should press DEL or some key to bypass CF bootup
and boot normally from diskette. With the fdisk you should do the
partitioning and then all should work normally.
Your memory serves you very well. Booting while pressing DEL the 
computer started correctly and I was able to partition/format the card 
from a floppy disk.

I remembered that I had to do something like this (because I had an 
IDE+RS232 before), but I was pressing INS instead of DEL at boot. ;)

Thanks for the help,
--
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Re: [MSX] IDE-CF: "No enough memory"

2004-08-27 Thread Maico Arts
Hello,

> Have you tried another brand CF cart? Sunrise advises against using CF
> carts < 32MB because the chance for incompatibilities is much bigger for
> those. However I can imagine some (cheap-ass ;)) CF carts could still
> give trouble. If that doesn't work either though I'm rather starting to
> think along the lines of the CF-IDE being broken.

My test showed me that a 16mb lexar CF card did not work when it was the
only installed cf card. When using this card as a second card, it worked
like a charm.

> Oh, and PS, you'd need to initialize the damn thing indeed (floppy drive
> necessary). If you don't, it might very well execute some random
> uninitialized code causing the error to appear? Initializing can be done
> on your MSX2+, because you don't need DOS2 for that (keep DEL pressed to
>   skip loading DOS2, keep INS pressed to skip loading the IDE-BIOS
> entirely).

That is what I was telling.
The code executed will probably be the bootsector of the card, which
contains pc-code. Same problem occurs when booting from a diskette which was
formatted on a pc.

Greetings
Maico Arts
MSX NBNO


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Re: [MSX] IDE-CF: "No enough memory"

2004-08-27 Thread Laurens Holst
Eduardo Robsy Petrus wrote:
Yes, but some CF cards give a lot of problems. I am using 16 MB CFs, and 
they are the best for my needs. I had some strange errors with other 
cards too! If it is bigger than 32 MB you should create partitions, so 
you will have to boot from floppy.
Have you tried another brand CF cart? Sunrise advises against using CF 
carts < 32MB because the chance for incompatibilities is much bigger for 
those. However I can imagine some (cheap-ass ;)) CF carts could still 
give trouble. If that doesn't work either though I'm rather starting to 
think along the lines of the CF-IDE being broken.

Oh, and PS, you'd need to initialize the damn thing indeed (floppy drive 
necessary). If you don't, it might very well execute some random 
uninitialized code causing the error to appear? Initializing can be done 
on your MSX2+, because you don't need DOS2 for that (keep DEL pressed to 
 skip loading DOS2, keep INS pressed to skip loading the IDE-BIOS 
entirely).

~Grauw
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Re: [MSX] IDE-CF: "No enough memory"

2004-08-26 Thread Eduardo Robsy Petrus
Yes, but some CF cards give a lot of problems. I am using 16 MB CFs, and 
they are the best for my needs. I had some strange errors with other cards 
too! If it is bigger than 32 MB you should create partitions, so you will 
have to boot from floppy.

And, by the way, IDE CF won't work in your MSX2+, because it needs 128 KB 
RAM at least in order to work properly (due to MSXDOS2, that needs 128 KB).

Regards,
Edward Robsy

From: "Maico Arts" <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: <[EMAIL PROTECTED]>
Subject: Re: [MSX] IDE-CF: "No enough memory"
Date: Fri, 27 Aug 2004 07:37:31 +0200
If memory serves well, you should press DEL or some key to bypass CF bootup
and boot normally from diskette. With the fdisk you should do the
partitioning and then all should work normally.
Greetings
Maico Arts
MSX-NBNO
- Original Message -
From: "Javi Lavandeira" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, August 27, 2004 3:42 AM
Subject: [MSX] IDE-CF: "No enough memory"
> Hi all,
>
> I received today my IDE-CF, but I'm having some trouble with it. The
> problem is that if I boot the computer with a memory card in the master
> slot, the computer always hangs with the following error: "No enough
> memory". These are the things I've found out:
>
> - Booting the MSX without a memory card inserted, the interface's BIOS
> says that it cannot find a master device and the computer boots 
normally.
> - Booting with a memory card in the master slot, I get the "No enough
> memory" error message in a FS-A1ST (expanded to 512Kb) and a FS-A1GT.
> I've tried also an FS-A1WX (64Kb) and I don't get the error message, but
> the floppy disk in this computer is broken, so I couldn't do more 
testing.
> - Flashing the BIOS works correctly when I boot the computer without a
> memory card.
> - The "No enough memory" error appears regardless of the slot where the
> cartridge is inserted.
>
> My hardware is:
>
> - Panasonic FS-A1ST (512Kb)/A1GT/A1WX
> - CF ATA-IDE, BIOS 2.21
> - 128Mb CF card (detected as "TOSHIBA THNCF128MA" at boot)
> - Nothing else connected to the computer
>
> Any ideas on what can be causing the problem?
>
> Regards,
>
> PS: I posted this same message on Sunrise's forum too.
>
> --
> Javi Lavandeira - http://www.ag0ny.com
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>

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Re: [MSX] IDE-CF: "No enough memory"

2004-08-26 Thread Maico Arts
If memory serves well, you should press DEL or some key to bypass CF bootup
and boot normally from diskette. With the fdisk you should do the
partitioning and then all should work normally.

Greetings
Maico Arts
MSX-NBNO

- Original Message - 
From: "Javi Lavandeira" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, August 27, 2004 3:42 AM
Subject: [MSX] IDE-CF: "No enough memory"


> Hi all,
>
> I received today my IDE-CF, but I'm having some trouble with it. The
> problem is that if I boot the computer with a memory card in the master
> slot, the computer always hangs with the following error: "No enough
> memory". These are the things I've found out:
>
> - Booting the MSX without a memory card inserted, the interface's BIOS
> says that it cannot find a master device and the computer boots normally.
> - Booting with a memory card in the master slot, I get the "No enough
> memory" error message in a FS-A1ST (expanded to 512Kb) and a FS-A1GT.
> I've tried also an FS-A1WX (64Kb) and I don't get the error message, but
> the floppy disk in this computer is broken, so I couldn't do more testing.
> - Flashing the BIOS works correctly when I boot the computer without a
> memory card.
> - The "No enough memory" error appears regardless of the slot where the
> cartridge is inserted.
>
> My hardware is:
>
> - Panasonic FS-A1ST (512Kb)/A1GT/A1WX
> - CF ATA-IDE, BIOS 2.21
> - 128Mb CF card (detected as "TOSHIBA THNCF128MA" at boot)
> - Nothing else connected to the computer
>
> Any ideas on what can be causing the problem?
>
> Regards,
>
> PS: I posted this same message on Sunrise's forum too.
>
> --
> Javi Lavandeira - http://www.ag0ny.com
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>


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[MSX] IDE-CF: "No enough memory"

2004-08-26 Thread Javi Lavandeira
Hi all,
I received today my IDE-CF, but I'm having some trouble with it. The 
problem is that if I boot the computer with a memory card in the master 
slot, the computer always hangs with the following error: "No enough 
memory". These are the things I've found out:

- Booting the MSX without a memory card inserted, the interface's BIOS 
says that it cannot find a master device and the computer boots normally.
- Booting with a memory card in the master slot, I get the "No enough 
memory" error message in a FS-A1ST (expanded to 512Kb) and a FS-A1GT. 
I've tried also an FS-A1WX (64Kb) and I don't get the error message, but 
the floppy disk in this computer is broken, so I couldn't do more testing.
- Flashing the BIOS works correctly when I boot the computer without a 
memory card.
- The "No enough memory" error appears regardless of the slot where the 
cartridge is inserted.

My hardware is:
- Panasonic FS-A1ST (512Kb)/A1GT/A1WX
- CF ATA-IDE, BIOS 2.21
- 128Mb CF card (detected as "TOSHIBA THNCF128MA" at boot)
- Nothing else connected to the computer
Any ideas on what can be causing the problem?
Regards,
PS: I posted this same message on Sunrise's forum too.
--
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[MSX] SVI738 memory slot change

2003-11-30 Thread JP Grobler
Hi

How can one change the slot where the svi keeps its main ram from slot 1 to
3-2 or anything else for that matter.

JP


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[MSX] About memory usage in (Disk)BASIC

2003-07-12 Thread Néstor Soriano
Hi ppl, here is a lightweight question for those who are in summer
holidays and have therefore a lot of time for MSX investigation.

It is about how the memory is used in the BASIC environment when disk
interface is present. MSX2 Technical Handbook says that it is as
follows:

- Up to HIMEM (&HFC4A), normal BASIC memory.
- From BLDCHK+1 (&HF377+1), BLOAD/BSAVE routines, 25 bytes. This
variable points to the same address as HIMEM.
- From FCBBASE (&HF353), space for disk FCBs of disk files opened by
BASIC (this area is 37*7 bytes, so a maximum of MAXFILES=6 can be used,
FCB 0 is used for BLOAD/BSAVE). Note that this is not the same as the
FCBs area in the normal BASIC memory (267 bytes * (MAXFILES+1))
- From HIMSAV (&HF349), the general disk work area starts. This area
exists also in DOS mode.

I have seen that this scheme is followed exactly in this way in DOS 1.
However in DOS 2 it is different:

- Up to HIMEM (&HFC4A), normal BASIC memory.
- From HIMEM to HIMSAV there is an apparently unused area of 525 bytes.
- From HIMSAV, the general disk work area starts. BLDCHK+1 and FCBSAVE
point to somewhere into this area.

And the question is: what is this 525 bytes "ghost" area for? May it be
reused for BASIC programs (doing a CLEAR up to the address pointed by
HIMSAV) safely? 525 bytes is really much memory when using the BASIC
environment.

OK, so go for it, the first person replying this question will earn 100
points!


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[MSX] Memory mappers in MSX2+ machines?

2003-06-18 Thread Manuel Bilderbeek
Hi!

For openMSX machine configurations we need to be 100% sure if (or which 
of) the MSX2+ machines (or MSX2 machines with 64kB RAM) have a memory 
mapper or not...

So, if you happen to own an original, unmodified MSX2 or MSX2+ with 64kB 
of main RAM, please do the following test for us:

1) start the machine to basic (without any device in the cartridge slots)
2) type a simple line in basic like this: 10 PRINT "HELLO"
3) type: OUT &HFE,2
4) type LIST
and please check what the result is (and remember this). It either shows 
nothing (then it has a mapper) or shows the just entered program (then 
it has no mapper).
Now we doublecheck:
5) type OUT &HFE,1
6) type LIST
Now the program should be back in case it disappeared.

Please e-mail me with the results: machine brand name and type (e.g.: 
Panasonic FS-A1WX) and the results of the test.

Thanks in advance!

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[MSX] Max memory for a Turbo-R ST

2002-09-03 Thread Sandy Pleyte

Hi,

just a question to keep the mailing list alive :) I have a TR ST with a 30 
pins 1MB Simm in it (and no, I don't know who made it). So when I boot the 
comp it say's 1024Kb, it disables the default internal 256kb memory of the 
comp. But the question is, can I replace the 1MB Simm with a 4MB Simm ?  

Regards,

Sandy
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Re: [MSX] Sunrise & memory expansions.

2002-08-14 Thread JP Grobler

Hi

I do not know the pirce for making such hardware, but it does seem
strange that a 4M mapper is more expencive than a IDE interface?

JP

On 12 Aug 2002 22:18:03 +0200, in local.msx.int you wrote:

>Hi all,
>I had see the information over memory expansions, from Ivan Latorre at
>8.11.02.
>Ivan Latorre wrote: "It seems that MSX memory expansions are quite hard to
>find .."
>The new version of the 4MB card ( LPE-4M-V2 ) is now available at 75 euros
>without limitations.
>You can see it in http://lpadial.aamsx.org/page3.HTM
>For buy in the Nederland area please contact with Rinus Stoker.
>Greets,
>Leonardo Padial.
>
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RE:[MSX] Sunrise & memory expansions.

2002-08-12 Thread Leonardo Padial Ortiz

Hi all,
I had see the information over memory expansions, from Ivan Latorre at
8.11.02.
Ivan Latorre wrote: "It seems that MSX memory expansions are quite hard to
find .."
The new version of the 4MB card ( LPE-4M-V2 ) is now available at 75 euros
without limitations.
You can see it in http://lpadial.aamsx.org/page3.HTM
For buy in the Nederland area please contact with Rinus Stoker.
Greets,
Leonardo Padial.

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Re: [MSX] Sunrise & memory expansions

2002-08-12 Thread Gerrit van den Berg

- Original Message -
From: "Ivan Latorre" <[EMAIL PROTECTED]>
To: "International MSX Mailing List" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Monday, August 12, 2002 1:01 AM
Subject: [MSX] Sunrise & memory expansions


Hi Ivan,

> I was wondering; has Sunrise ever thought in producing/selling
> MSX memory expansions? MoonSound, Graphics9000, IDE
> and RS232C cartridges, slot expanders, ... but, what about
> memory expansions?
> Nowadays you can find lots of roms on the Internet that require
> more than 128 Kbytes of RAM (and also think in the standard
> 64 Kbytes of RAM built in MSX2+ computers...).
> It seems that MSX memory expansions are quite hard to find so
> it can be an interesting product...

Leonardo Padial has made a wide variaty of RAM expansions. In fact he even
has made a 512 kB special memoryexpansion for games ROMS, called FLASHG. He
also makes conventional memoryexpansions from 512 kB up to 4 MB. He is
currently working on bigger memory-expansions based on a whole new concept.
This is based on the LPE-MAPPER which can be used for all sorts of
expansions, including DSP chips and modern memory-expansions (like DIMM,
SDRAM etc). You can contact Leonardo at [EMAIL PROTECTED]

Gerrit

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[MSX] Sunrise & memory expansions

2002-08-11 Thread Ivan Latorre

Hi

I was wondering; has Sunrise ever thought in producing/selling
MSX memory expansions? MoonSound, Graphics9000, IDE
and RS232C cartridges, slot expanders, ... but, what about
memory expansions?

Nowadays you can find lots of roms on the Internet that require
more than 128 Kbytes of RAM (and also think in the standard
64 Kbytes of RAM built in MSX2+ computers...).

It seems that MSX memory expansions are quite hard to find so
it can be an interesting product...

Just giving ideas ;)

Ivan


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Memory expansion for WAVY70

2001-10-28 Thread Ivan Latorre

Hi

Does anyone have the schematics to expand (internally) the memory of
Sanyo MSX2+ computers?
I've seen some of them upgraded to 128/256/512 Kb.

Greets


--
For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Re: Memory upgrade for WAVY70

2001-10-28 Thread Leonard Silva de Oliveira

128kb upgrade is simple. The machine already have a place on it's PCB for a
aditional
64kb memory bank. To have more than 128kb you will need  to make a circuit
to
control the bigger mapper.

Cya MSXers ...

- Original Message -
From: "Ivan Latorre" <[EMAIL PROTECTED]>
To: "International MSX Mailing List" <[EMAIL PROTECTED]>
Sent: Sunday, October 28, 2001 10:01 AM
Subject: Memory upgrade for WAVY70


> Hi
>
> Does anyone have the schematics to expand (internally) the memory of
> Sanyo MSX2+ computers?
> I've seen some of them upgraded to 128/256/512 Kb.
>
> Greets


--
For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Memory upgrade for WAVY70

2001-10-28 Thread Ivan Latorre

Hi

Does anyone have the schematics to expand (internally) the memory of
Sanyo MSX2+ computers?
I've seen some of them upgraded to 128/256/512 Kb.

Greets
--
For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Re: MSX memory

2001-10-05 Thread Carlos de Santa-Ana Garcia


Think this better, memory is cheap and easy to find




At 12:23 05/10/2001 -0700, you wrote:
>Thanks for all the info, I'll definitely look at it in detail once I get
>home.
>As a side question, is it possible to remove memory IC from one machine and
>put it in another (solder, if necessary)? I have a toshiba msx1 which I
>really don't need; I'd like move its RAM into the Sony if possible.
>
>- Original Message -
>From: "Hans Otten" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Friday, October 05, 2001 4:06 AM
>Subject: Re: MSX memory
>
>
> > MSX machines are memory upgradable yes.
> >
> > Two methods:
> >
> > - solder in extra memory ic's,relative easy for machines with already a
> > memory mapper in place.
> > - place a memory mapper in a cartridge slot. Well supported by most
>cracked
> > MSX games. Hard too find, not for sale new as far as i know.
> >
> > If you are the soldering type, check my webpage in the diy section for
> > ideas, and Philips MSX-2 examples.
> >
> > www.msxhans.msx2.com
> >
> >
> > - Original Message -
> > From: "Jack O'Lantern" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Friday, October 05, 2001 09:08
> > Subject: MSX memory
> >
> >
> > > Are msx machines usually upgradable, as far as RAM? I have a Sony F1XD,
> > > which comes with 64KB of RAM, and it won't let me play Zanac Ex (among
> > other
> > > things), which is killing me :)
> > > If they are, where's a good place to buy another 64KB?
> > >
> > > -- ak
> > > "Computer games don't affect kids, I mean if Pac Man affected us as
>kids,
> > > we'd all be running around in darkened rooms, munching pills and
>listening
> > > to repetitive music." --- Unknown
> > >
> > >
> > > --
> > > For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
> > >
> >
> >
> > --
> > For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
> >
>
>--
>For info, see http://www.stack.nl/~wynke/MSX/listinfo.html

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Re: MSX memory

2001-10-05 Thread Hans Otten

That depends. Most MSX-1 machines use the same dynamic memory chips.
As do MSX-2 (but larger capacity).
So open the machine and check!

- Original Message -
From: "Akop Karapetyan" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, October 05, 2001 21:23
Subject: Re: MSX memory


> Thanks for all the info, I'll definitely look at it in detail once I get
> home.
> As a side question, is it possible to remove memory IC from one machine
and
> put it in another (solder, if necessary)? I have a toshiba msx1 which I
> really don't need; I'd like move its RAM into the Sony if possible.
>
> - Original Message -
> From: "Hans Otten" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, October 05, 2001 4:06 AM
> Subject: Re: MSX memory
>
>
> > MSX machines are memory upgradable yes.
> >
> > Two methods:
> >
> > - solder in extra memory ic's,relative easy for machines with already a
> > memory mapper in place.
> > - place a memory mapper in a cartridge slot. Well supported by most
> cracked
> > MSX games. Hard too find, not for sale new as far as i know.
> >
> > If you are the soldering type, check my webpage in the diy section for
> > ideas, and Philips MSX-2 examples.
> >
> > www.msxhans.msx2.com
> >
> >
> > - Original Message -
> > From: "Jack O'Lantern" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Friday, October 05, 2001 09:08
> > Subject: MSX memory
> >
> >
> > > Are msx machines usually upgradable, as far as RAM? I have a Sony
F1XD,
> > > which comes with 64KB of RAM, and it won't let me play Zanac Ex (among
> > other
> > > things), which is killing me :)
> > > If they are, where's a good place to buy another 64KB?
> > >
> > > -- ak
> > > "Computer games don't affect kids, I mean if Pac Man affected us as
> kids,
> > > we'd all be running around in darkened rooms, munching pills and
> listening
> > > to repetitive music." --- Unknown
> > >
> > >
> > > --
> > > For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
> > >
> >
> >
> > --
> > For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
> >
>
> --
> For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
>


--
For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Re: MSX memory

2001-10-05 Thread Akop Karapetyan

Thanks for all the info, I'll definitely look at it in detail once I get
home.
As a side question, is it possible to remove memory IC from one machine and
put it in another (solder, if necessary)? I have a toshiba msx1 which I
really don't need; I'd like move its RAM into the Sony if possible.

- Original Message -
From: "Hans Otten" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, October 05, 2001 4:06 AM
Subject: Re: MSX memory


> MSX machines are memory upgradable yes.
>
> Two methods:
>
> - solder in extra memory ic's,relative easy for machines with already a
> memory mapper in place.
> - place a memory mapper in a cartridge slot. Well supported by most
cracked
> MSX games. Hard too find, not for sale new as far as i know.
>
> If you are the soldering type, check my webpage in the diy section for
> ideas, and Philips MSX-2 examples.
>
> www.msxhans.msx2.com
>
>
> - Original Message -
> From: "Jack O'Lantern" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, October 05, 2001 09:08
> Subject: MSX memory
>
>
> > Are msx machines usually upgradable, as far as RAM? I have a Sony F1XD,
> > which comes with 64KB of RAM, and it won't let me play Zanac Ex (among
> other
> > things), which is killing me :)
> > If they are, where's a good place to buy another 64KB?
> >
> > -- ak
> > "Computer games don't affect kids, I mean if Pac Man affected us as
kids,
> > we'd all be running around in darkened rooms, munching pills and
listening
> > to repetitive music." --- Unknown
> >
> >
> > --
> > For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
> >
>
>
> --
> For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
>

--
For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Re: MSX memory

2001-10-05 Thread Hans Otten

MSX machines are memory upgradable yes.

Two methods:

- solder in extra memory ic's,relative easy for machines with already a
memory mapper in place.
- place a memory mapper in a cartridge slot. Well supported by most cracked
MSX games. Hard too find, not for sale new as far as i know.

If you are the soldering type, check my webpage in the diy section for
ideas, and Philips MSX-2 examples.

www.msxhans.msx2.com


- Original Message -
From: "Jack O'Lantern" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, October 05, 2001 09:08
Subject: MSX memory


> Are msx machines usually upgradable, as far as RAM? I have a Sony F1XD,
> which comes with 64KB of RAM, and it won't let me play Zanac Ex (among
other
> things), which is killing me :)
> If they are, where's a good place to buy another 64KB?
>
> -- ak
> "Computer games don't affect kids, I mean if Pac Man affected us as kids,
> we'd all be running around in darkened rooms, munching pills and listening
> to repetitive music." --- Unknown
>
>
> --
> For info, see http://www.stack.nl/~wynke/MSX/listinfo.html
>


--
For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



MSX memory

2001-10-04 Thread Jack O'Lantern

Are msx machines usually upgradable, as far as RAM? I have a Sony F1XD,
which comes with 64KB of RAM, and it won't let me play Zanac Ex (among other
things), which is killing me :)
If they are, where's a good place to buy another 64KB?

-- ak
"Computer games don't affect kids, I mean if Pac Man affected us as kids,
we'd all be running around in darkened rooms, munching pills and listening
to repetitive music." --- Unknown


--
For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Re: DOS2 & freeing R800 DRAM memory

2001-07-13 Thread Laurens Holst

> >Please note that you can also advise your ST users to boot the ST in DOS1
> >mode. That will also free the 32kB of RAM used by DOS2 itself.
> 
> True, but I'd have to rewrite all the file functions for DOS1 and wouldn't 
> be able to support subdirectories anymore :(
> I hate DOS1 file functions...

Dos2 means harddisk.
ROMs are large.


~Grauw



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Re: DOS2 & freeing R800 DRAM memory

2001-06-19 Thread Alex Wulms

] >Please note that you can also advise your ST users to boot the ST in DOS1
] >mode. That will also free the 32kB of RAM used by DOS2 itself.
] 
] True, but I'd have to rewrite all the file functions for DOS1 and wouldn't 
] be able to support subdirectories anymore :(
] I hate DOS1 file functions...
I have a small library with the most important file-functions that runs on 
top of DOS1 and DOS2. If DOS2 is present, it will use the underlying DOS2 
functions and if DOS2 is not present it will use the old fashioned DOS1 
functions.

The functions in the library are in DOS2 style.

Though, you can only keep 1 file open at the same time. So, it is something 
like 'open file, read from file, close file'.

If you want, I can send this library to your private email adress.


Kind regards,
Alex Wulms

-- 
Visit The MSX Plaza (http://www.inter.nl.net/users/A.P.Wulms) for info on
XelaSoft, Merlasoft, Quadrivium, SD-Snatcher on fMSX, the MSX Hardware list,
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Re: DOS2 & freeing R800 DRAM memory

2001-06-14 Thread Patriek Lesparre

Alex Wulms wrote:
>The utility romturbo.com switches to R800 ROM mode and makes the 64kB RAM
>available to the normal pool of free RAM.

Brilliant ^_^

>But I can mail you ramturbo.com and romturbo.com if you want to 
>investigate them. It is ofcourse nice to have this functionality 
>integrated in your emulator.

I already found them on FuNET, but thanks anyway :)

>Please note that you can also advise your ST users to boot the ST in DOS1
>mode. That will also free the 32kB of RAM used by DOS2 itself.

True, but I'd have to rewrite all the file functions for DOS1 and wouldn't 
be able to support subdirectories anymore :(
I hate DOS1 file functions...

Greetz,
 Patriek

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For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Re: DOS2 & freeing R800 DRAM memory

2001-06-13 Thread Alex Wulms

] Alex Wulms:
] >The utility is indeed something wonderfull. Though, freeing the memory 
] >only works when you have disabled the dos2 ramdisk and when you have not 
] >loaded memman.
] 
] So is this util called 'romturbo.com' and 'ramturbo.com'? Else I'm afraid I 
] don't know which util was discussed. :/
It is indeed romturbo.com and ramturbo.com.

The utility romturbo.com switches to R800 ROM mode and makes the 64kB RAM 
available to the normal pool of free RAM.

The utility ramturbo.com copies the ROM blocks back to the upper 64kB of RAM, 
removes the 64kB from the normal pool of free RAM switches back to R800 RAM 
mode.
 

] 
] >] So how does the ROM get there in the first place?! There must be some
] >] routine in the BIOS that gets it there???
] >That is correct.
] 
] Do you know which routine that is?
No.

But I can mail you ramturbo.com and romturbo.com if you want to investigate 
them. It is ofcourse nice to have this functionality integrated in your 
emulator.

Please note that you can also advise your ST users to boot the ST in DOS1 
mode. That will also free the 32kB of RAM used by DOS2 itself. In that case, 
you only have to make a very simple modification to your emulator:
If MSX turbo R booted in DOS2 mode: keep your memory management as it is.
If booted in DOS1 mode: switch to R800 ROM mode and search all available 
memory yourself. In that case, you do not need to worry about (re)allocating 
DOS2 memory segments and the whole lot. Though, you may still want to copy 
the ROMS back to upper memory before exiting the emulator. Just as a courtesy 
to the user...


Kind regards,
Alex Wulms


-- 
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Re: DOS2 & freeing R800 DRAM memory

2001-06-10 Thread Patriek Lesparre

Alex Wulms:
>The utility is indeed something wonderfull. Though, freeing the memory 
>only works when you have disabled the dos2 ramdisk and when you have not 
>loaded memman.

So is this util called 'romturbo.com' and 'ramturbo.com'? Else I'm afraid I 
don't know which util was discussed. :/

>] So how does the ROM get there in the first place?! There must be some
>] routine in the BIOS that gets it there???
>That is correct.

Do you know which routine that is?

Greetz,
 Patriek

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For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Re: DOS2 & freeing R800 DRAM memory

2001-06-10 Thread Alex Wulms

] Alex Wulms wrote:
] >] My idea is to:
] >] 1. switch to R800 ROM mode
] >] 2. copy the DOS2 system area to the upper 2 segments
] >] 3. execute some stuff, using the 'freed' 64kB.
] >] 4. copy the DOS2 system area back to the original position
] >] 5. switch to R800 DRAM mode
] >] Ofcourse the interrupts are switched off during steps 2-4.
] >There is already a utility which does this. I think this was discussed in 
] >the mailinglist a few weeks ago.
] 
] If I understood correctly that utility does NOT relocate the DOS2 segments 
] into what previously was DRAM-mode memory. And does NOT free up the extra 
] 64kB to DOS2 memory managment.
] If it does, it must also patch DOS2 to use the relocated system & data 
] area. So are you sure it does exactly what my idea was???
] (Or I could be wrong and this utility is something wonderful)
The utility is indeed something wonderfull. Though, freeing the memory only 
works when you have disabled the dos2 ramdisk and when you have not loaded 
memman.


] 
] >You must copy the ROMs back explicitly (while still in ROM mode).
] 
] So how does the ROM get there in the first place?! There must be some 
] routine in the BIOS that gets it there???
That is correct.

Kind regards,
Alex Wulms

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Re: DOS2 & freeing R800 DRAM memory

2001-06-07 Thread Patriek Lesparre

Alex Wulms wrote:
>] My idea is to:
>] 1. switch to R800 ROM mode
>] 2. copy the DOS2 system area to the upper 2 segments
>] 3. execute some stuff, using the 'freed' 64kB.
>] 4. copy the DOS2 system area back to the original position
>] 5. switch to R800 DRAM mode
>] Ofcourse the interrupts are switched off during steps 2-4.
>There is already a utility which does this. I think this was discussed in 
>the mailinglist a few weeks ago.

If I understood correctly that utility does NOT relocate the DOS2 segments 
into what previously was DRAM-mode memory. And does NOT free up the extra 
64kB to DOS2 memory managment.
If it does, it must also patch DOS2 to use the relocated system & data 
area. So are you sure it does exactly what my idea was???
(Or I could be wrong and this utility is something wonderful)

>You must copy the ROMs back explicitly (while still in ROM mode).

So how does the ROM get there in the first place?! There must be some 
routine in the BIOS that gets it there???

Greetz,
 Patriek

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For info, see http://www.stack.nl/~wynke/MSX/listinfo.html



Re: DOS2 & freeing R800 DRAM memory

2001-06-07 Thread Alex Wulms

] My idea is to:
] 1. switch to R800 ROM mode
] 2. copy the DOS2 system area to the upper 2 segments
] 3. execute some stuff, using the 'freed' 64kB.
] 4. copy the DOS2 system area back to the original position
] 5. switch to R800 DRAM mode
] Ofcourse the interrupts are switched off during steps 2-4.
There is already a utility which does this. I think this was discussed in the 
mailinglist a few weeks ago.

] 
] I'm assuming switching to R800 DRAM mode will cause the ROM to be copied to 
] DRAM again?
Wrong assumption. You must copy the ROMs back explicitly (while still in ROM 
mode).

] 
] I'm not 100% sure this would work, but it sounds like a good idea. What do 
] you guys think?
Nice idea. Though, why do you want to re-invent the weel while it already 
exists?


Kind regards,
Alex Wulms


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DOS2 & freeing R800 DRAM memory

2001-06-06 Thread Patriek Lesparre

Hi all,

I'm really trying to get some extra memory for turboR ST users, because 
they can't use GEM v0.7 at all. The problem is the 64kB which is used for 
R800 DRAM mode located above the DOS2 system area.

My idea is to:
1. switch to R800 ROM mode
2. copy the DOS2 system area to the upper 2 segments
3. execute some stuff, using the 'freed' 64kB.
4. copy the DOS2 system area back to the original position
5. switch to R800 DRAM mode
Ofcourse the interrupts are switched off during steps 2-4.

I'm assuming switching to R800 DRAM mode will cause the ROM to be copied to 
DRAM again?

I'm not 100% sure this would work, but it sounds like a good idea. What do 
you guys think?

Greetz,
Patriek

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RE: Memory question

2001-05-25 Thread Hans Otten

Slot expanders are available. Sunrise still sells them www.msx.ch, maybe
they will ship internationally.

-Original Message-
From: Brendan Cross [mailto:[EMAIL PROTECTED]]
Sent: 24 May 2001 21:23
To: [EMAIL PROTECTED]
Subject: Re: Memory question


And for my next  brilliant  question... where would I get

a RAM-expansion cartridge? Also, where could I get a cartslot splitter? I 
have a feeling that two cartridge slots will all too soon become too little 
for me. ^.^
_
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

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Re: Memory question

2001-05-24 Thread Ivan Latorre

Brendan Cross wrote:

> And for my next  brilliant  question... where would I get
> a RAM-expansion cartridge?

Ese Artists' Factory: http://www.hat.hi-ho.ne.jp/tujikawa/ese/
Contact: Kazuhiro Tsujikawa mailto:[EMAIL PROTECTED]
Product Name: Nice Memory Ukkarikun
Memory size: 4 MB
Description: Cartridge with label (=circuit board+plastic case+label)
Price: About 114 US dollars

Tsujikawa doesn´t reply e-mails very fast.

LPE Electronics
Contact: Leonardo Padial mailto:[EMAIL PROTECTED]
Memory size: 1MB or 4MB
Description: Circuit board only (without platic case)
Price: 1MB about 50 US dollars, 4MB about 60,5 US dollars

Terra Network System
Product name: AddRam2
Memory size: 4 MB
Description: Cartridge (circuit board+plastic case)
Price: TNS ceased the production of AddRam2.
I don't know if Takamichi Suzukawa still has stock of them.
Ask him if you are interested mailto:[EMAIL PROTECTED]

> Also, where could I get a cartslot splitter? I

Sunrise: http://www.msx.ch
Leonardo Padial: mailto:[EMAIL PROTECTED]
Ademir Carchano:  http://www.carchano.com.br/expansor.htm (I don´t know if Mini
Slot Expansor is still being sold).

>
> have a feeling that two cartridge slots will all too soon become too little
> for me. ^.^

And for me! :-/

Greets




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Re: Memory question

2001-05-24 Thread Brendan Cross

And for my next  brilliant  question... where would I get 
a RAM-expansion cartridge? Also, where could I get a cartslot splitter? I 
have a feeling that two cartridge slots will all too soon become too little 
for me. ^.^
_
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

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RE: Memory question

2001-05-24 Thread Hans Otten

True, much easier, less risk!

-Original Message-
From: Ivan Latorre [mailto:[EMAIL PROTECTED]]
Sent: 24 May 2001 18:18
To: [EMAIL PROTECTED]
Subject: Re: Memory question


Hans Otten wrote:

> Many articles on memory upgrade (not all translated, so check the figures)
> on my website www.geocities.com/msxhans
>
> Also check www.hansoranje.demon.nl

You can also buy an external memory expansion cartridge.

Greets


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Re: Memory question

2001-05-24 Thread Ivan Latorre

Hans Otten wrote:

> Many articles on memory upgrade (not all translated, so check the figures)
> on my website www.geocities.com/msxhans
>
> Also check www.hansoranje.demon.nl

You can also buy an external memory expansion cartridge.

Greets


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RE: Memory question

2001-05-23 Thread Hans Otten

Many articles on memory upgrade (not all translated, so check the figures)
on my website www.geocities.com/msxhans

Also check www.hansoranje.demon.nl

-Original Message-
From: Brendan Cross [mailto:[EMAIL PROTECTED]]
Sent: 24 May 2001 03:32
To: [EMAIL PROTECTED]
Subject: Memory question


This is probably a stupid question, but... how do I upgrade the memory on my

MSX2? If possible, I'd like to upgrade it to 4MB. ^.^ It's an NMS-8250, 
with, built-in, 128KB ram 128KB VRAM.
_
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Memory question

2001-05-23 Thread Brendan Cross

This is probably a stupid question, but... how do I upgrade the memory on my 
MSX2? If possible, I'd like to upgrade it to 4MB. ^.^ It's an NMS-8250, 
with, built-in, 128KB ram 128KB VRAM.
_
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How much memory does your MSX have?

2001-01-25 Thread ag0ny

Hi,

We have started a new poll in aamsx.org, focused on the specifications for
the development of new games. This time what we want to know is:

How much memory does your MSX have?

If you have an *EXTERNAL* memory expansion, please *DON'T* count that
memory in the answer. We want to know only about the internal mapper (even
if it has been upgraded).

The poll is, as usual, at: http://www.aamsx.org

Regards,

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More memory in Panasonic MSX2+

2000-12-17 Thread Ivan Latorre

Hello

I was wondering if it´s possible to expand internally
the RAM of Panasonic MSX2+ computers (they only have 64 KB).

If it is possible; does anyone have the schematics?

Many thanks



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Re: memory testing

2000-09-27 Thread MSX NBNO

> > But where can I find maptest4.com ?
>
> I don't know! I got it from Maico Arts (mail him?). I cannot send it to
you

As a matter of fact, I have it...It is called Testmap4.com...

greetings
-+-+-+-+-+-+-
Maico Arts
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
-+-+-+-+-+-+-





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Re: memory testing

2000-09-27 Thread Manuel Bilderbeek

> > Did you check out MAPTEST4.COM? It was the program used by Digital KC.
>
> No, I used testram.com -> no errors are found, so I think its oke.
>
> But where can I find maptest4.com ?

I don't know! I got it from Maico Arts (mail him?). I cannot send it to you
know, since I have no access to my harddisk. I also had MAPTEST3.BIN, an
earlier version (non DOS as you can see), that one I got with my MSX2 after
Alwin Henseler built in the Memory Mapper.

Best regards,

Manuel

---
Pre-PS: After 29/9/2000, I cannot use this address anymore. Therefore,
from 25/9/2000, please send all mail to [EMAIL PROTECTED], my always-
valid address. I can also read that mail from here in Japan. Thank you.
PS: MSX 4 EVER! (Questions? See: http://www.faq.msxnet.org/ )
PPS: Visit my home page at http://bilderbeek.cjb.net/



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Re: memory testing

2000-09-27 Thread Richard Gerrits



> > Ï already got that program through email, but thanx for the reply
>
> Did you check out MAPTEST4.COM? It was the program used by Digital KC.

No, I used testram.com -> no errors are found, so I think its oke.

But where can I find maptest4.com ?

greetings Richard

>
>  Best regards,
>
> Manuel
>
> ---
> Pre-PS: After 29/9/2000, I cannot use this address anymore. Therefore,
> from 25/9/2000, please send all mail to [EMAIL PROTECTED], my always-
> valid address. I can also read that mail from here in Japan. Thank you.
> PS: MSX 4 EVER! (Questions? See: http://www.faq.msxnet.org/ )
> PPS: Visit my home page at http://bilderbeek.cjb.net/
>
>
>
> 
> Problems? contact [EMAIL PROTECTED] See also http://www.faq.msxnet.org/
> 
>



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Re: memory testing

2000-09-27 Thread Manuel Bilderbeek

> Ï already got that program through email, but thanx for the reply

Did you check out MAPTEST4.COM? It was the program used by Digital KC.

 Best regards,

Manuel

---
Pre-PS: After 29/9/2000, I cannot use this address anymore. Therefore,
from 25/9/2000, please send all mail to [EMAIL PROTECTED], my always-
valid address. I can also read that mail from here in Japan. Thank you.
PS: MSX 4 EVER! (Questions? See: http://www.faq.msxnet.org/ )
PPS: Visit my home page at http://bilderbeek.cjb.net/




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Re: memory testing

2000-09-27 Thread Richard Gerrits




>
> > I'm looking for a program to extensively test the memory of my msx,
because
> > I want to know if the 2 Mb of memory, I build in my 8250 is working
> > properly.
>
> http://www.adrpage.cjb.net/msxsoft.html
>
> Look for "TestRAM".
>

Ï already got that program through email, but thanx for the reply

Greetings Richard

>
> Adriano Camargo Rodrigues da Cunha   ([EMAIL PROTECTED])
> Engenharia de Computacao - UNICAMP
> http://www.adrpage.cjb.net  http://if.you.dont.like.msx.usuck.com
>
> * My HD has 1Mb of bad sectors and 100Mb of bad-windows. *
>
>
> 
> Problems? contact [EMAIL PROTECTED] See also http://www.faq.msxnet.org/
> 
>



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Re: memory testing

2000-09-27 Thread Albert Beevendorp

At 16:23 27-9-00 -0300, you wrote:

> > I'm looking for a program to extensively test the memory of my msx, because
> > I want to know if the 2 Mb of memory, I build in my 8250 is working
> > properly.
>
> http://www.adrpage.cjb.net/msxsoft.html
>
> Look for "TestRAM".
I made a pretty thourough tester too. If you want it, send me a private 
mail, so I can send it to you.


GreeTz, BiFi

Visit my Home Page at www.bifi.msxnet.org
mail me at: [EMAIL PROTECTED]
FTP: ftp.bifi.msxnet.org
ICQ #36126979


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Re: memory testing

2000-09-27 Thread Adriano Camargo Rodrigues da Cunha


> I'm looking for a program to extensively test the memory of my msx, because
> I want to know if the 2 Mb of memory, I build in my 8250 is working
> properly.

http://www.adrpage.cjb.net/msxsoft.html

Look for "TestRAM".


Adriano Camargo Rodrigues da Cunha   ([EMAIL PROTECTED])
Engenharia de Computacao - UNICAMP   
http://www.adrpage.cjb.net   http://if.you.dont.like.msx.usuck.com

* My HD has 1Mb of bad sectors and 100Mb of bad-windows. *



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memory testing

2000-09-20 Thread Richard Gerrits

Hello

I'm looking for a program to extensively test the memory of my msx, because
I want to know if the 2 Mb of memory, I build in my 8250 is working
properly.

Is there a program that reads/writes different patterns into the memory, to
see if its reliable?

Greetings Richard



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Re: Turbo-R Memory Expansion

2000-05-08 Thread Patrick 'Patsie' Lina


-Original Message-
From: Sandy Pleyte <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Monday, May 08, 2000 20:23
Subject: Turbo-R Memory Expansion


>Hi there,
>
>i have a big problem !!! My Turbo-R isn;t working anymore :
>
>But i found the problem, there is a wire not connected anymore from the
>memory expansion to the R800, it has to be a pin in the range of 31 -
>50. Can somebody please help me ?? Is there somebody who knows how to
>build in a internal memory expansion in a Turbo-R ST ? Then give me an
>e-mail with the pin number...


I think I could help.. I have an F1-ST with build in 1MB (30 pins PC simm)
but I haven't done it myself.. please gimme a day or 2 and I'll send you the
schematics.

Greetz,

   Patsie




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Re: Turbo-R Memory Expansion

2000-05-08 Thread Mark Bolman



--
> Van: Sandy Pleyte <[EMAIL PROTECTED]>
> Aan: [EMAIL PROTECTED]
> Onderwerp: Turbo-R Memory Expansion
> Datum: maandag 8 mei 2000 20:20
> 
> Hi there,
> 
> i have a big problem !!! My Turbo-R isn;t working anymore :

At least you have a Turbo R !

> But i found the problem, there is a wire not connected anymore from the
> memory expansion to the R800, it has to be a pin in the range of 31 -
> 50. Can somebody please help me ?? Is there somebody who knows how to
> build in a internal memory expansion in a Turbo-R ST ? Then give me an
> e-mail with the pin number...
> 
> 
> Regards,
> 
> Sandy Pleyte
> Generation MSX
> 
> 
> MSX Mailinglist. To unsubscribe, send an email to [EMAIL PROTECTED]
> and put "unsubscribe msx [EMAIL PROTECTED]" (without the quotes) in
> the body (not the subject) of the message.
> Problems? contact [EMAIL PROTECTED]
> More information on MSX can be found in the following places:
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>  The MSX newsgroup: comp.sys.msx
>  The MSX IRC channel: #MSX on Undernet
> 


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Turbo-R Memory Expansion

2000-05-08 Thread Sandy Pleyte

Hi there,

i have a big problem !!! My Turbo-R isn;t working anymore :

But i found the problem, there is a wire not connected anymore from the
memory expansion to the R800, it has to be a pin in the range of 31 -
50. Can somebody please help me ?? Is there somebody who knows how to
build in a internal memory expansion in a Turbo-R ST ? Then give me an
e-mail with the pin number...


Regards,

Sandy Pleyte
Generation MSX


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Re: DOS 2 memory management...

1999-09-30 Thread Laurens Holst

> Have you checked the docs mentioned in the DOS2-section of the FAQ?

He's right. Those docs are the official ones of ASCII describing all you
need.
Look in the Application Manual, section 4 or so (if I'm not mistaking). Ah,
well, just check the index.

Those docs are all I have about Dos2, and I have to say, they are
sufficient. Great job ASCII!!!

If you really, really, really want it, I can send you some example of Dos2
managementroutines if you'd like to... But I'll have to run upstairs for
them, find, select, save, copy, copy, paste, post them, so please save me
the trouble and say the Dos2 docs are sufficient or else try to find the
Dos2 memroutines in some other source.


To answer your question:
> Bank 0..7 are filled with data Blaffer needs. Now is my
> question: Can I still use these banks while DOS2
> stores itselfs in bank 8 en 9 (when having >128K)??

Yes, you can use them. Dos2 always stores itself in the upper 2 segments of
the primary (=currently selected) mapper.

But beware!!! >>> USE THE DOS2 MEMORY-MANAGEMENT ROUTINES!!! <<< Otherwise
it will not work. Maybe on your system (with no TSR or other programs
running), but not on other systems with, for example, a disk-cache program
like LUNA installed.


~Grauw


--
>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<
  email me: [EMAIL PROTECTED] or ICQ: 10196372
 visit the Datax homepage at http://datax.cjb.net/
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>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<



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Re: DOS 2 memory management...

1999-09-30 Thread Manuel Bilderbeek

> ppl. 
> 
> Here's the story... SCC-Blaffer NT does not support
> DOS2. d-fader has no docs whatsoever using DOS2.
> So he has a question... Well... Here it is...
> 
> Bank 0..7 are filled with data Blaffer needs. Now is my
> question: Can I still use these banks while DOS2
> stores itselfs in bank 8 en 9 (when having >128K)??
> 
> And can someone give me good docs about DOS2
> memory management, with a few examples if
> possible??

Have you checked the docs mentioned in the DOS2-section of the FAQ?



Grtjs, Manuel ((m)ICQ UIN 41947405)

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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DOS 2 memory management...

1999-09-30 Thread twz

ppl. 

Here's the story... SCC-Blaffer NT does not support
DOS2. d-fader has no docs whatsoever using DOS2.
So he has a question... Well... Here it is...

Bank 0..7 are filled with data Blaffer needs. Now is my
question: Can I still use these banks while DOS2
stores itselfs in bank 8 en 9 (when having >128K)??

And can someone give me good docs about DOS2
memory management, with a few examples if
possible??

thanks...
mzl.
d.fader.twz.

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Re: Memory Mapper mirror effect?

1999-09-17 Thread Erik Maas

>> Anyone knows if there are memory mappers with mirror effect (i.e.,
>> for example, a 128k mapper (8 pages), if I select page 16, I'll get page
>> 8). I don't know any, but maybe there is...
>All mappers do this 'mirroring'...
>If they didn't then it would not be possible to detect the mappersize...
>(only legal mappersize-detection is done by using the mirror-effect).


No!

This is not the correct way to detect the mapper size!!!
As a matter of fact, the turbo-R does not have 2^x mapper pages accessible
when running in R800-dram mode!!! 4 pages are reserved to store bios, basic
and kanji (thought these were the ones) in to speed up the execution,
because
ROM is not as fast as RAM. The access to these pages is disabled by
hardware.

Even a turbo-R has the 'mirror' effect, but you can not say that this is the
only
thing you have to look at to determine the number of mapper pages.


By the way, there is a trick to alter these pages:
* switch to R800-ROM and these pages are accessible
* make changes (e.g. replace KANJI with KUN, I use this method now and then)
* and switch back to R800-DRAM

H... Here comes a nice thing, not related to this subject, but I have
noticed
that access to the internal ram of the turbo-R is faster than access to
external
memory/ram. So it is faster to run KUN-Basic in place of the kanji-ram-place
than
from an rom-module in a cartridge slot.
Another thing is : data that has to be accessed a lot should be in the
internal ram of
the turbo-R. Not only because of the slot-switching, but because of the
access time
too!


Greetings from Erik Maas

p.s. I don't know what kind of program is under development, but I hope the
mapper



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RE: Memory Mapper mirror effect?

1999-09-16 Thread Patrick Kramer



> -Original Message-
> From: Laurens Holst [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, September 16, 1998 8:52 PM
> To:   [EMAIL PROTECTED]
> Subject:  Re: Memory Mapper mirror effect?
> 
> > Anyone knows if there are memory mappers with mirror effect (i.e.,
> > for example, a 128k mapper (8 pages), if I select page 16, I'll get page
> > 8). I don't know any, but maybe there is...
> 
> All mappers do this 'mirroring'...
> If they didn't then it would not be possible to detect the mappersize...
> (only legal mappersize-detection is done by using the mirror-effect).
> 
It would be possible if selecting a page that doesn't exist results
in selecting memory that is not present.
Then data written to an address in that page can not be read back.

In fact. it would be simpler then:

10 i=0
20 out &hfe,i:d=peek(&h8000):poke&h8000,d xor 255
30 if peek(&h8000)<>d xor 255 then 100
40 poke&h8000,d
50 if peek(&h8000)<>d then 100
60 i=i+1:if i=256 then 100
70 goto 20
100 print i;:print " pages of mapper RAM"

Well, something like this...

Greetz,
Patrick


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Re: Memory Mapper mirror effect?

1999-09-16 Thread Laurens Holst

> Anyone knows if there are memory mappers with mirror effect (i.e.,
> for example, a 128k mapper (8 pages), if I select page 16, I'll get page
> 8). I don't know any, but maybe there is...

All mappers do this 'mirroring'...
If they didn't then it would not be possible to detect the mappersize...
(only legal mappersize-detection is done by using the mirror-effect).


~Grauw


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>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<
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>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<



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Re: Memory Mapper mirror effect?

1999-09-15 Thread Marco Antonio Simon dal Poz

On Wed, 15 Sep 1999, Adriano Camargo Rodrigues da Cunha wrote:

>   Anyone knows if there are memory mappers with mirror effect (i.e.,
> for example, a 128k mapper (8 pages), if I select page 16, I'll get page
> 8). I don't know any, but maybe there is...

Sure there is! I don't know how Turbo-R's Mapper works, but standard
mappers have mirror effect. If you select block 16, you'll get block 0,
and the same will happen if you select block 8. (blocks are numbered from
0 to 7).

But the most interesting is to select the same block in different RAM
pages. You can write a byte in one address, and in another address the
same byte appears! Really cool!

Greetings from Brazil!

-
Marco Antonio Simon Dal Pozhttp://www.lsi.usp.br/~mdalpoz
[EMAIL PROTECTED]   "Apple" (c) Copyright 1767, Sir Isaac Newton



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Memory Mapper mirror effect?

1999-09-15 Thread Adriano Camargo Rodrigues da Cunha


Hi, folks.

Anyone knows if there are memory mappers with mirror effect (i.e.,
for example, a 128k mapper (8 pages), if I select page 16, I'll get page
8). I don't know any, but maybe there is...

Thanks,


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

* Suicide is like saying to God - You can't fire me ! I am quiting! *



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Re: [off] memory management in the PC

1999-08-29 Thread AkA DanSHakU

Cesar Cardoso wrote:

> Remember guys, this is valid only on MS/PC/DR/OpenDOS, Windows 3.x,
> Windows 9x.
> Other systems (Linux, BSD family, Windows NT I think, Solaris/Linux,
> OS/2) don't need to do all this tricks.

...because they never use the real mode
they give you a bunch of virtual mem. and you never worry about where it
is allocated... btw, win9x can do it as well although the manager
ssuucckkss!!..

greetz
akai!


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Re: [off] memory management in the PC

1999-08-26 Thread Alex Wulms

] On Thu, 26 Aug 1999, Giovanni R. Nunes wrote:
] 
] >   And don't forget! What means "pia" in portuguese? :)
] 
]   That's easy, "pia" means "boy" or "child".
] 
]   Someone asked about PC memory management in real mode. There are
] three ways to do it:
] 
]   In short, memory management in the PC sucks.
] 
Only in real mode. But who is still using real mode these days...?

Just use a 32-bit extender for DOS or use a real 32-bit OS (like linux, os2, 
solaris, winnt, beos, etc). Then all memorymanagement problems are gone and 
the PC becomes a very wonderfull machine. Theoretically capable of emulating 
a MSX with 4MB memory mapper in every subslot...

Besides, I saw Linus yesterday on CNN. He is much cooler then Bil. So, I've 
decided to become a Linus fan in stead of a Bil fan ;-)


Kind regards,
Alex Wulms 
-- 
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See my homepage for info on the  *** XSA *** format
http://www.inter.nl.net/users/A.P.Wulms




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Re: [off] memory management in the PC

1999-08-26 Thread Cesar Cardoso

Ricardo Bittencourt Vidigal Leitao wrote:
> 
> Someone asked about PC memory management in real mode. There are
> three ways to do it:
> 
> In short, memory management in the PC sucks.
> 
Remember guys, this is valid only on MS/PC/DR/OpenDOS, Windows 3.x,
Windows 9x.
Other systems (Linux, BSD family, Windows NT I think, Solaris/Linux,
OS/2) don't need to do all this tricks.

-- Cesar
"You can't declare Life as virtual. Declare it as real"


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[off] memory management in the PC

1999-08-26 Thread Ricardo Bittencourt Vidigal Leitao

On Thu, 26 Aug 1999, Giovanni R. Nunes wrote:

>   And don't forget! What means "pia" in portuguese? :)

That's easy, "pia" means "boy" or "child".

Someone asked about PC memory management in real mode. There are
three ways to do it:

1) XMS: with this method you can access the pc bios to copy blocks
from high memory to low memory (and the other way too). This is slow since
it requires the use of "rep movsd" or equivalent.

2) EMS: in this one you can map the high memory in the low memory,
the same way we do in the Memory Mapper or the MegaRAM. This is slow since
it puts the processor in virtual86 mode, and the "in" and "out" opcodes
can get as much as twelve times slower.

3) UMB: this option lets you manage the hole between 640kb and
1Mb, but it should not be used to let this space free for LOADHIGH
device drivers.

In short, memory management in the PC sucks.


Ricardo Bittencourt   http://www.lsi.usp.br/~ricardo
[EMAIL PROTECTED]  "Ricardo is subtle, but malicious he is not"
-- Uniao contra o forward - crie suas proprias piadas --



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Turbo Pascal and Memory Mappers

1999-07-29 Thread Raymond



Hello,
 
How can I check for the total amount of memory in Turbo Pascal 
3.3? For example I have an MSX with 2048Kb of memory (VRAM not included!). How 
can I see in TP that the total amount of memory in this MSX is 
2048?
 
Thanx.
 
Raymond


Re: Memory map and interrupts at boot time

1999-07-20 Thread MkII

>At 05:08 AM 7/20/99 +0200, you wrote:
>
>>What's the actual memory map configuration and interrupt status at boot
>>time (phase 2, after RET NC)?
>
>Interrupt status: no idea.

I issued a HALT and get frost.

>Memory configuration: all RAM, with some routines (slot select etc) copied
>into page 0.

But the standard boot code seems to jump #4022 without slot select if
MSXDOS.SYS is not present.

MARK 2




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Re: Memory map and interrupts at boot time

1999-07-20 Thread Maarten ter Huurne

At 05:08 AM 7/20/99 +0200, you wrote:

>What's the actual memory map configuration and interrupt status at boot
>time (phase 2, after RET NC)?

Interrupt status: no idea.
Memory configuration: all RAM, with some routines (slot select etc) copied
into page 0.

Bye,
Maarten



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Memory map and interrupts at boot time

1999-07-20 Thread MkII

What's the actual memory map configuration and interrupt status at boot
time (phase 2, after RET NC)?

Can I assume it's the same on all MSX models and configurations or it
depends on the firmware (either internal ROMs or from extra hardware)?

Just to save a couple of instructions! 8;)

Btw, what are the contents of DE, HL and A passed to the boot code?

Kiss you lot.

MARK 2




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Re: NMS8250 Memory

1999-07-20 Thread andre . vandun

That will do and the soldering iron isn't the problem.

greets andre




owner-msx <[EMAIL PROTECTED]> on 07/19/99 06:52:24 PM
Please respond to msx <[EMAIL PROTECTED]> @ SMTP
To: msx <[EMAIL PROTECTED]> @ SMTP
cc:  
Subject:    Re: NMS8250 Memory
Classification: Restricted
> According to a brazilian web site (i dunno exactly the name is tought it
> was msx home) it is possible to expand the memory simply by adding a few
> chips, but i can't read the text which comes with it, can somebody suply
> me with a english version of the memory expansion.

I have a dutch version, will that do? :)

It is not a question of just adding chips. But it's not difficult if
you can handle a soldering iron.


Tristan

+ Omega + join #msx on undernet +[EMAIL PROTECTED]+
|   |  FUNET MSX maintainer |   ftp://ftp.funet.fi/pub/msx   |
+ irc: OmegaMSX +Techno composer+ http://users.bart.nl/~omegamsx +


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Re: NMS8250 Memory

1999-07-20 Thread Frengo

On Mon, 19 Jul 1999 16:07:23 +0200, [EMAIL PROTECTED] wrote:

>According to a brazilian web site (i dunno exactly the name is tought it was msx home)
>it is possible to expand the memory simply by adding a few chips, but i can't read the
>text which comes with it, can somebody suply me with a english version of the memory 
>expansion.

We produce an internal memory expansion, it's not expensive...

by Frengo
Miri Software MSX Computer System Italy
e-mail : [EMAIL PROTECTED]
HomePage :http://Frengo.dragonfire.net/MSX.HTM
***


>
>greetz andre
>
>
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>




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Re: NMS8250 Memory

1999-07-19 Thread RJ

Maybe you can send a copy of the schematic to me.
Thanx

-RJ

- Original Message -
From: Tristan <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, July 19, 1999 5:50 PM
Subject: Re: NMS8250 Memory


> > According to a brazilian web site (i dunno exactly the name is tought it
> > was msx home) it is possible to expand the memory simply by adding a few
> > chips, but i can't read the text which comes with it, can somebody suply
> > me with a english version of the memory expansion.
>
> I have a dutch version, will that do? :)
>
> It is not a question of just adding chips. But it's not difficult if
> you can handle a soldering iron.
>
>
> Tristan
>
> + Omega + join #msx on undernet +[EMAIL PROTECTED]+
> |   |  FUNET MSX maintainer |   ftp://ftp.funet.fi/pub/msx   |
> + irc: OmegaMSX +Techno composer+ http://users.bart.nl/~omegamsx +
>
> 
> MSX Mailinglist. To unsubscribe, send an email to [EMAIL PROTECTED] and
put
> in the body (not subject) "unsubscribe msx [EMAIL PROTECTED]" (without
the
> quotes :-) Problems? contact [EMAIL PROTECTED]
(www.stack.nl/~wiebe/mailinglist/)
> 
>


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Re: NMS8250 Memory

1999-07-19 Thread Tristan

> According to a brazilian web site (i dunno exactly the name is tought it
> was msx home) it is possible to expand the memory simply by adding a few
> chips, but i can't read the text which comes with it, can somebody suply
> me with a english version of the memory expansion.

I have a dutch version, will that do? :)

It is not a question of just adding chips. But it's not difficult if 
you can handle a soldering iron.


Tristan 

+ Omega + join #msx on undernet +[EMAIL PROTECTED]+
|   |  FUNET MSX maintainer |   ftp://ftp.funet.fi/pub/msx   |
+ irc: OmegaMSX +Techno composer+ http://users.bart.nl/~omegamsx +


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NMS8250 Memory

1999-07-19 Thread andre . vandun

According to a brazilian web site (i dunno exactly the name is tought it was msx home)
it is possible to expand the memory simply by adding a few chips, but i can't read the
text which comes with it, can somebody suply me with a english version of the memory 
expansion.

greetz andre


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RE: memory upgrade

1999-07-05 Thread Hans Otten

Try Hans Oranje, HCC MSX usergroup.

Hier het adres van Hans Oranje.
E-mailadres(sen):
  [EMAIL PROTECTED]
  [EMAIL PROTECTED]
Persoonlijke gegevens:
  Adres:
Waddinxveen  
  Telefoonnummer: 0182-618932


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: maandag, juli 05, 1999 12:05 uur
To: [EMAIL PROTECTED]
Subject: memory upgrade


does anyone know where in holland I can get the memory of my nms 8250
expanded? and how much this costs?

thx,

pepijn


Get your free email from AltaVista at http://altavista.iname.com


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memory upgrade

1999-07-05 Thread hippo357

does anyone know where in holland I can get the memory of my nms 8250 expanded? and 
how much this costs?

thx,

pepijn


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Re: VDP memory write timings

1999-07-05 Thread David Heremans

Laurens Holst wrote:
> Just keep in mind to have at least 7 t-states between every transfer
> (=OUT),
> then it will work on all MSX-computers (OTIR and INIR are slow enough
> too).
> MSX-turboR and 7MHz have automatic slowdowns implemented to that works
> too.
> 

No, this is not completely true!!
If you're writting to the VRAM that contains the spritedata and sprites
are enabled, then you'll need more time !
Apparently the VDP has a one byte buffer and writes this buffer to VRAM
when it has time to acces that VRAM. Since sprite VRAM is used rather
much the available time to write here is much less. So if you write to
fast this byte-buffer is overwritten with new data before the old one is
in the actual VRAM.

David Heremans


"One difference between SuSE and Red Hat is that the 
former operates in a country where people don't sue 
each other over coffee being too hot."
Linus Torvalds


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Re: VDP memory write timings

1999-07-01 Thread Laurens Holst

> I have to write a gfx data burst to VRAM as quickly as possible while the
> display, and possibly sprites are enabled.
>
> I've noticed data corruption when using quick transfer loops (via POP)
that
> disappears when display is disabled.
>
> Is there an accurate way to determine required VDP timings and ensure
> proper functionality on all MSX models regardless of different clocked
CPUs?

Just keep in mind to have at least 7 t-states between every transfer (=OUT),
then it will work on all MSX-computers (OTIR and INIR are slow enough too).
MSX-turboR and 7MHz have automatic slowdowns implemented to that works too.


~Grauw


>><<
email: [EMAIL PROTECTED] or ICQ: 10196372
Visit the Datax homepage at http://datax.cjb.net/
... Live long and prosper...
>><<




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RE: VDP memory write timings

1999-07-01 Thread Boon, Eric

>I have to write a gfx data burst to VRAM as quickly as possible while the
>display, and possibly sprites are enabled.

>I've noticed data corruption when using quick transfer loops (via POP) that
>disappears when display is disabled.

>Is there an accurate way to determine required VDP timings and ensure
>proper functionality on all MSX models regardless of different clocked
CPUs?

MSX2 Technical Handbook chapter 6.5.1:  HMMC (CPU -> VRAM high-speed
transfer)

(with source code example) can be found @
  http://www.geocities.com/SiliconValley/Bay/9797/th-4b.txt

(May I hear one hurray for the Ultimate MSX FAQ and a super-hurray for
 Konami Man? ;-))

Eric


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VDP memory write timings

1999-06-30 Thread MkII

I have to write a gfx data burst to VRAM as quickly as possible while the
display, and possibly sprites are enabled.

I've noticed data corruption when using quick transfer loops (via POP) that
disappears when display is disabled.

Is there an accurate way to determine required VDP timings and ensure
proper functionality on all MSX models regardless of different clocked CPUs?

Kiss you lot.

Mk2

--
Madonna Mark Two
"Martin Galway means to me what Elvis meant to Sigue Sigue Sputnik"




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Re: MSX2 & memory mappers

1999-03-25 Thread Marco Antonio Simon dal Poz

On Fri, 19 Mar 1999, Alwin Henseler wrote:

> Ooohh, it's really hard to explain those Brazilians all about memory 
> mappers! (don't they have any?).

Not all Brazilians (or am I being so repetitive?). I converted several
games from Memory Mapper to Megaram, and I never had Memory Mapper!

> Some facts:
> 
> An MSX2 doesn't need to have a memory mapper to be a true MSX-2. 
> Example: Sony HB-G900. 64K RAM, no mapper, but true MSX-2, nothing 
> wrong with it.

That's what I said!

> Sony HB-F9P: 128 K, mapper
> 
> Smaller:
> Almost every Japanese-built MSX2 or 2+: 64K mapper
> 
> Philips NMS 8220 has only 64K, but this IS a mapper. Really a 128K 
> mapper with 2nd half empty, so switching blocks, you get:
> Block 0, 1, 2, 3, "nothing", "nothing", "nothing", "nothing", block 0 
> again, 1 again, 2 again, 3 again,  "nothing", "nothing", "nothing", 
> "nothing", 0 again, 1 again, etc.

Then, it can be expanded to 128kb.

> Not standard? Absolutely standard!
> Mapper=64K = 4 blocks (0-3), selecting block 0, 1, 2, 3 gets you 
> mapper blocks 0, 1, 2, 3 -> all ok.
> Reading the mapper ports on this machine would return other 
> values as you might expect, but reading mapper ports SHOULD 
> be considered unreliable, right?

Not only unreliable, but a wrong procedure, since the MSX Technical
Handbook prevents it.

Greetings from Brazil!

-
Marco Antonio Simon Dal Pozhttp://www.lsi.usp.br/~mdalpoz
[EMAIL PROTECTED]   "Apple" (c) Copyright 1767, Sir Isaac Newton

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MSX2 & memory mappers

1999-03-23 Thread jam

Hi, Alwin:

 >> 64K of RAM, it's mapped RAM. Read the MSX2 Technical Handbook (by
 >> ASCII) and check it.
 AH>
 AH> Nestor's (Konamiman) online version of the MSX-2 technical handbook
 AH> clearly reads:
 AH>
 AH> minimum, required: 64 K RAM
 AH> memory mapper: OPTIONAL

Yep, I read it later. Sorry!



Salidos, digo ... Saludos.
JAMcn  ([EMAIL PROTECTED])  *MSX Dreams*
Apdo. Correos 3294  18080 Granada

... The fantastic space adventure commences


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Re: MSX2 & memory mappers

1999-03-22 Thread Nestor Soriano

>Nestor's (Konamiman) online version of the MSX-2 technical handbook 
>clearly reads:

Well, at least someone is using my TH transcription, nice to see this! 8-)

>minimum, required: 64 K RAM
>memory mapper: OPTIONAL

Well, actually... I invented this part. X-D Hey, just kidding!

>-> the MSX-2 standard DEFINES memory mappers, but does NOT require 
>it.

Yep. In fact, Sony F500 does NOT have memory mapper and does NOT accept
external mappers...


 15th MSX users meeting in Barcelona: May 1th, 1999 

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

  http://www.geocities.com/SiliconValley/Bay/9797/msx.htm
   [EMAIL PROTECTED]   ICQ#: 18281450

 Metal Gear for MSX - (C) Konami 1987  (Nothing new under the sun...)



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Re: MSX2 & memory mappers

1999-03-20 Thread Alwin Henseler


"jam"  <[EMAIL PROTECTED]>  wrote:


> You are wrong. Every MSX2 must have Memory Mapper. Even with only 64K
> of RAM, it's mapped RAM. Read the MSX2 Technical Handbook (by ASCII)
> and check it.

Nestor's (Konamiman) online version of the MSX-2 technical handbook 
clearly reads:

minimum, required: 64 K RAM
memory mapper: OPTIONAL

-> the MSX-2 standard DEFINES memory mappers, but does NOT require 
it.


Alwin Henseler ([EMAIL PROTECTED])

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


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Re: MSX2 & memory mappers

1999-03-19 Thread Adriano Camargo Rodrigues da Cunha


> Ooohh, it's really hard to explain those Brazilians all about memory 
> mappers! (don't they have any?).

Not to ALL brazilian. Just to the "fudeba" ones. :)


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 ***

* My next Pentium(tm) computer will be a Silicon Graphics Workstation *



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MSX2 & memory mappers

1999-03-19 Thread Alwin Henseler


Hi  all,


Ooohh, it's really hard to explain those Brazilians all about memory 
mappers! (don't they have any?).

Some facts:

An MSX2 doesn't need to have a memory mapper to be a true MSX-2. 
Example: Sony HB-G900. 64K RAM, no mapper, but true MSX-2, nothing 
wrong with it.

Apparantly there exist Philips MSX-2's without a mapper (not the 
8220, which has a mapper), because I made a schematic once for 
building 128K mapper in those (if all Philips MSX-2's had mappers, I 
wouldn't have). I suppose the VG 8230 could be such a machine. If you 
have a VG8230: check it! Does this one have a mapper, or not? Be sure 
it is a 8230: I've helped build a 8235 into a 8230's casing once...


128K mappers in <>Philips machines:

Sony HB-F9P: 128 K, mapper

Smaller:
Almost every Japanese-built MSX2 or 2+: 64K mapper

Philips NMS 8220 has only 64K, but this IS a mapper. Really a 128K 
mapper with 2nd half empty, so switching blocks, you get:
Block 0, 1, 2, 3, "nothing", "nothing", "nothing", "nothing", block 0 
again, 1 again, 2 again, 3 again,  "nothing", "nothing", "nothing", 
"nothing", 0 again, 1 again, etc.

Not standard? Absolutely standard!
Mapper=64K = 4 blocks (0-3), selecting block 0, 1, 2, 3 gets you 
mapper blocks 0, 1, 2, 3 -> all ok.
Reading the mapper ports on this machine would return other 
values as you might expect, but reading mapper ports SHOULD 
be considered unreliable, right?

Bigger:
Turbo-R: 256K (ST) or 512K (GT), mapper
Sony HB-G900AP (note the "A" in there!): 512K or 1 MB., mapper


Greetings,

Alwin Henseler([EMAIL PROTECTED])

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



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Fw: Memory Mapper

1999-03-04 Thread J. Lukens


-Original Message-
From: J. Lukens +ADw-j.lukens+AEA-hetnet.nl+AD4-
Newsgroups: comp.sys.msx
Date: Thursday, March 04, 1999 09:10
Subject: Memory Mapper


+AD4-Hello all,
+AD4-
+AD4-Since I have stopped my quest for a Turbo R for now, I am looking for
+AD4-someone who is willing to sell me an external memorymapper of about 512 KB
+AD4-or one MB, preferebly in the Netherlands, so I can come and get it myself.
+AD4-
+AD4-I am the proud owner of an NMS8280 in complete original condition, and I do
+AD4-not want to take any risks with it, but if anyone out there knows an
address
+AD4-or so where I can have my MSX2 internally upgraded to 1 MB or so, I would
+AD4-really like to know too.
+AD4-
+AD4-Jan Lukens
+AD4-
+AD4-
+AD4-



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Re: Memory mapper

1999-02-25 Thread Ricardo Jurczyk Pinheiro

At 16:48 24/02/99 +0100, you wrote:
>At 16:09 24/02/99 +0100, you wrote:
>>Hi
>>Does anyone have a schematic of a memory mapper that can use 1 MB SIMMs ? 
>
>I'll ask a friend about this, I only have it for Turbo R internal
>

Can u send this info 2 me too?

>>4th question: does anyone know of a MSX-site that has anything related to
>>MSX-hardware (schematics etc.)
>
>don't know

I've a friend who were preparing a MSX Hardware Book, like that Hardware
Book that we can find in the web. And you can take a look at Alwin's
homepage, and Novatec's homepage. There are some very interesting projects.
  _   __  
 |  __ \ (_| ICQ UIN: 3635907 | | M. Sc. In Numerical Modelling - UFF 
 | |__) | _   __ _ _ __ __| | ___ Niteroi - RJ - BR  +-+
 |  _  / | |/ __// _` | '__/ _` |/ _ \   |  Sola Scriptura |
 | | \ \ | | (__| (_| | | | (_| | (_) |  |   Sola Gratia   |
 |_|  \_\|_|\___\\__,_|_|  \__,_|\___/  Jurczyk Pinheiro |Sola Fide|
 http://pagina.de/rjp - [EMAIL PROTECTED] - [EMAIL PROTECTED]  |   Solo Cristi   |
 MSX freak, X-Phile, Trekker, Christian, Transformers,   | Soli Deo Gloria |
 Anime (Yamato!), CuD, Linux, Rock, Comics, and hate M$! +-+


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Re: [real coding] DOS2 and Memory...

1999-02-25 Thread Laurens Holst

>Hi people,
>
>Thinking that you should set the interruptvector at #C000 when you set I to
>#C0 is a commonly made mistake in the MSX world. You should set your
>interruptpointer at address #C0FF instead. As some of you might know, the
>databus in the MSX is connected to VCC with pull-up resistors. As a
>consequence the Z80 will always fetch the value 0xFF when reading from the
>databus at a moment that no device is writing to the databus. For example,
>when the Z80 reads the databus in IM2 after having received an interrupt
>request.

Well as I wrote I always filled in the whole area from #C000 to #CFFF so I
never got problems with it (nowadays I program under Dos environment so I
don't use it anymore). By the way, that will be C0FE and not C0FF, because
interrupt-vectors can only be even numbers, bit 0 is ignored (always zero).

Recently, I read the specs of of my Philips modem adapted to an RS232... The
chip inside can generate an interrupt-vector... Is this put through to the
MSX, will it really generate a vector when used in IM2??? If so, that would
be cool. Or is the MSX standard not capable to use a IM2-vector?


~Grauw




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Re: Memory mapper

1999-02-24 Thread Luiz H. Lugato

Martial BENOIT wrote:

>At 16:09 24/02/99 +0100, you wrote:
>>Hi
>>Does anyone have a schematic of a memory mapper that can use 1 MB SIMMs ?

>I'll ask a friend about this, I only have it for Turbo R internal

Can u send me the schematic? I have a Turbo R ST ..

Thank's


Luiz H. Lugato





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Re: Memory mapper

1999-02-24 Thread Martial BENOIT

At 16:09 24/02/99 +0100, you wrote:
>Hi
>Does anyone have a schematic of a memory mapper that can use 1 MB SIMMs ? 

I'll ask a friend about this, I only have it for Turbo R internal


>2nd question: where do I get 50 pin header connectors or experimental MSX
>slot PCB's ?

humm let's see. try your local electronic part dealer ;-)

>3rd question: anybody happens to have the schematics of a Canon V20 MSX1 ?

I don't have it but I'm very interesting in it, once I've started to drawn
it by looking at the PCB, but it take hours of verification to make it
right...

>4th question: does anyone know of a MSX-site that has anything related to
>MSX-hardware (schematics etc.)

don't know

>Thanx

you are welcome :-)


Martial.



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