Re: MegaRAM

1999-03-19 Thread Alex Mitsio Sato
Laurens Holst wrote: > > >> > No, with the IDE-Interface and a LS120 you can read 1,44MB disks > >> > >> And what is this LS120? And can you write and format 1.44Mb disks with > it? > >DalPoz, esse "LS120" e' um tipo novo de drive que suporta discos com > >capacidade de ate' 120Mb, esse disco tem

Re: IDE troubles....

1999-03-19 Thread Jose A. Lancharro
On Mon, 15 Mar 1999 [EMAIL PROTECTED] wrote: > I have a sunrise IDE-interface, but I can't get it to work > 100%... I'm using it on a NMS8250 with a > Maxtor 71084 AP hdd of 1Gb (1084Mb), > but when I connect it to my msx, and try to fdisk it. It gets > splitted into 6 drives (a to f) and my 2

MegaRAM

1999-03-19 Thread jam
Hello, Marco Antonio: MP> BTW, memory mapper wasn't born jointly with MSX2. Many MSX2 that I MP> knew had only 64kb of RAM. Does your 8235 have internal Memory MP> Mapper? You are wrong. Every MSX2 must have Memory Mapper. Even with only 64K of RAM, it's mapped RAM. Read the MSX2 Technical Ha

MegaRAM (was: cracked 24k ROMs)

1999-03-19 Thread jam
MP> Beyond Metal Gear 2, do you know other Megarom games with 512kb of MP> more? I know Hydlide 3 and a collection of 100 games in 1 made in Korea (similar to NES cartridges). It have 1024KB, I think. Also Koei released ROMs version of the same games released as diskettes. Salidos, digo ...

ascii - Sea Sardine

1999-03-19 Thread jam
Hi, Laurens: >> Yes, it is. >> It's made with the Yoshida Editor. LH> LH> LH> WHAT editor??? Something like GameBuilder? If you can make games like I have never seen GameBuilder bub I think it's something similar. Yoshida Editor was release by ASCII MSX Magazine, and it is great! LH> thi

MegaRAM

1999-03-19 Thread jam
Hi, Manuel !!! >> I have never seen a MSX2 before 1987. And this copyright doesn't >> mean that the production really started at 1985. When did you buy >> your 8235? MB> MB> They did, Dutch magazines report MSX2 in 1986. And Spanish ones too :) Salidos, digo ... Saludos. JAMcn ([EMAIL

64K VRAM?

1999-03-19 Thread jam
Hi, Marco Antonio >> Maybe you mean the NMS 8220? >> That machine had only 64K RAM (normal memory mapper), but did still >> have 128K VRAM, like every MSX2 I've ever seen... MP> MP> How can 64kb of RAM be memory mapper? Memory Mapper with only 4 memory MP> blocks is a bit unuseful! Why do

MegaRAM (was: cracked 24k ROMs)

1999-03-19 Thread jam
MP> Yes, but sometime ago, someone in this list had talked about a 768kb MP> Megarom game. Does someone know something about it? It's a Koei game, I remember. Salidos, digo ... Saludos. JAMcn ([EMAIL PROTECTED]) Apdo. Correos 3294 18080 Granada ... MSX MSX MSX MSX MSX MSX MSX MSX MSX MSX

ascii - Sea Sardine

1999-03-19 Thread jam
Hi, Sandy !!! >> Yes, it is. >> It's made with the Yoshida Editor. SP> SP> So they are the same as: SP> SP> - Space Warrior SP> - Super zealogue SP> - Twinkle Star SP> - Twinkle Star 2 SP> SP> Or Not ? Yeah! ... Evolution waits for no one . MSX Mailinglist. To unsubscribe

MegaRAM (was: cracked 24k ROMs)

1999-03-19 Thread jam
Hola Marco Antonio: >> MH> It is possible to make an MSX2 with only 64K VRAM. Such a >> MH> machine would not have SCREEN 7 and SCREEN 8, not even a single >> MH> page, because VRAM timing requires two RAM ICs connected. Does >> MH> anyone know if machines with 64K VRAM were ever actually

RE: MSX fair in Madrid, MadriSX´99 - review for MSX magazines and diskmagazines

1999-03-19 Thread Adriano Camargo Rodrigues da Cunha
> >6- Boh Ken, this new programmers asociation came with new software, > >final beta versions of Puddle Land and KPI Ball were presented, > >another FAT16 routines and they sold Sonyc and games translations. > >Members: Manuel Pazos and Sutchan. Manuel Pazos is "fudeba"! >:) :) Adr

Re: Booting form Navaxis SCSI

1999-03-19 Thread Maico Arts
Hello >with ID 0 (my corrupt scsi HD). However... when we set the host ID to 6 >guess what the zipdrive booted! >Is this normal behaviour for a Novaxis? It sure is not. If you have a rom version 1.59 the novaxis is able to boot in a normal way from a zip drive, or any other device whit

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>> >DalPoz, that "LS120" is a new drive type which supports >> >disks with up to 120Mb capacity, that disk has the same >> >size of a normal 3.5" disk. Besides, the LS120 drive >> >supports normal 3.5" (720Kb or 1.44Mb) disks easily. >> >(I hope the list people don't get upset with me not >> >not

R: MSX-C

1999-03-19 Thread Stefano Fronteddu
I've search in my archive the Alex's e-mail address but I haven't it. Can someone give it to me ? Thanks a lot, Stefano -Messaggio originale- Da: Gerald Stap <[EMAIL PROTECTED]> A: [EMAIL PROTECTED] <[EMAIL PROTECTED]> Data: venerdì 19 marzo 1999 16.36 Oggetto: Re: MSX-C >Stefano Fr

Re: BrMSX mapper emulation

1999-03-19 Thread Ricardo Bittencourt Vidigal Leitao
On Fri, 19 Mar 1999, Adriano Camargo Rodrigues da Cunha wrote: > > It was very easy to add, indeed. I added it some time ago, just to > > make the KGC games playable (I always wanted to hear Nemesis with SCC > > sound! :) > > Oooops, ooops, ooops!!! > That's something I never pay

Re: BrMSX mapper emulation

1999-03-19 Thread Adriano Camargo Rodrigues da Cunha
> It was very easy to add, indeed. I added it some time ago, just to > make the KGC games playable (I always wanted to hear Nemesis with SCC > sound! :) Oooops, ooops, ooops!!! That's something I never pay attention! Stupid question: so the KGC games need Mapper to

Re: BrMSX mapper emulation

1999-03-19 Thread Ricardo Bittencourt Vidigal Leitao
On Fri, 19 Mar 1999, Alwin Henseler wrote: > You're writing an MSX emulator, and you don't even HAVE a memory > mapper? Go get one! > I already bought, but Ademir Carchano is SO SLOW to send my enhanced machine... > BTW. Adding memory mapper emulation to a MSX-1 emulator should be >

Presentacion and first questions

1999-03-19 Thread Mario Carugno
Hello everybody in this list. My name is Mario and i'm from Argentina. I'm a unconditional msx fan and is glad to know people working for msx survival. I want to contribute too. Well, here my first questions ? 1 - There's production of MSXs today? if not, what's the latest MSX model? 2 - W

Re: MegaRAM

1999-03-19 Thread Pablo Vasques Bravo-Villalba
Laurens Holst wrote: > Thank you for this Spanish explanation. It's portuguese :) > Ofcourse, all non-spanish (or what is it, Brazilian?) > speaking people already know what this is. They are much > smarter. I think dutch is much more difficult :))) He said: > >DalPoz, that "LS120" is a new dr

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>> When accessing the I/O-ports (there's a pin on the Z80 which indicates it) >> the board switches the processor back to 3.5 MHz... Later, 'smart' >> 7MHz-boards (called Advanced 7MHz) appeared, which only switched back to >> 3.5MHz when there was VDP I/O. This way, SCSI, Memory, MoonSound etc. I

Re: MegaRAM

1999-03-19 Thread Manuel Bilderbeek
> >Ofcourse not, Laurens. Sony HB-G900P and Philips VG-8230 is really MSX2, > >but have no mapper. They're really, really, really 100% MSX2! > > They have 64k non-mapped memory? You're finally getting it? (Hint: read all your mail before replying to the mailinglist... That would decrease the

Re: MegaRAM

1999-03-19 Thread Manuel Bilderbeek
> When accessing the I/O-ports (there's a pin on the Z80 which indicates it) > the board switches the processor back to 3.5 MHz... Later, 'smart' > 7MHz-boards (called Advanced 7MHz) appeared, which only switched back to > 3.5MHz when there was VDP I/O. This way, SCSI, Memory, MoonSound etc. I/O i

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>] >That's strange. I think that it's more natural to expand memory first, and >] >after expand video capabilities. >] >] Who needs more memory when all games are in ROM cartridges? >] Only people who want to play illegal versions of those ROM's... :-) >Ever heard of a RAMDISK? That is something w

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>Funny to realize that all these amazing discoveries are well documented. We >should definetely get a good site up and running with all technical >documentation available about the MSX. It will save a lot of people a lot of >time with tracing and disassembling the MSX ROMS. Yeah, absolutely! Er

Re: MegaRAM

1999-03-19 Thread Laurens Holst
> I'm currently collecting about every tech data I can find on MSX, >and putting it in an Excel sheet with links (which can be converted of >course). Instead of just putting all textfiles together, I want to combine >it and filter out double info. Kind of like Ralf Browns interrupt list for >MSX

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>> > Total: 71 clockcicles. Conclusion: you're right, it's not possible to use >> > 1.2Mb or 1.44Mb disks with Z80 at 3.57MHz. It's BAD! >> >> Too bad! >> >> > Then, there's still a chance only for Turbo-R. >> >> And 7.16 MHz MSX2! > >Yes, and why not 7.16MHz MSX1? BTW, how does a 7.16MHz works? I

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>> the NMS8220 does have a mapper, and the mapper is 128Kb wide , but only >> 64Kb of >> ramis used. > >What do you mean with that? It has 64kB, but reacts as 128kB? so: >out(&Hfe),0:?inp(&Hfe) >would return &b1000 in stead of &b1100? That would be against >MSX-standard! I must be misunder

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>> > No, with the IDE-Interface and a LS120 you can read 1,44MB disks >> >> And what is this LS120? And can you write and format 1.44Mb disks with it? >DalPoz, esse "LS120" e' um tipo novo de drive que suporta discos com >capacidade de ate' 120Mb, esse disco tem as mesmas dimensoes de um disco >de

Re: MSX-C

1999-03-19 Thread Gerald Stap
Stefano Fronteddu wrote: > > Hi to all, > I'm here again to talk about C. > In the documentation I have the author talks about MSX-C and he lists the > following files: > > cf.comck.relstdio.h > cg.com clib.rel bdosfunc.h > fpc.com crun.rel conio.h > mx.com

Re: Megaram - Japan and copying

1999-03-19 Thread Gerald Stap
Maarten ter Huurne Wrote: > I get the feeling the Japanese are not as fanatical crackers and > copiers > like Dutch, Spanish or Brazillians. Although maybe under the surface the >Japanese are not the perfect citizens they may appear to be? Otherwise, why >would games released for the Japanese mark

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>> Laurens Holst said: >> > >BTW, memory mapper wasn't born jointly with MSX2. Many MSX2 that I knew >> > >had only 64kb of RAM. Does your 8235 have internal Memory Mapper? >> > >> > Memory Mapper is part of the MSX2 standard. > >Ofcourse not, Laurens. Sony HB-G900P and Philips VG-8230 is really M

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>>And nobody was interested in transforming MSX1 to MSX2? > >I don't think any company ever offered such a conversion. Conversions from >MSX2 to MSX2+ were offered though. Some included only V9958, others >included new ROMs and/or internal MSX-MUSIC. There were (are?) conversion-kits for that, I'

Re: 64K VRAM?

1999-03-19 Thread Laurens Holst
>But the main utility of the Memory Mapper is to create a block switching >system that allows the slot to contain much more than 64kb of RAM. Using >Memory Mapper only to exchange memory contents isn't a big deal, because >you still can do it using LDIR (or using a famous technique called swap, >l

MSX-C

1999-03-19 Thread Stefano Fronteddu
Hi to all, I'm here again to talk about C. In the documentation I have the author talks about MSX-C and he lists the following files: cf.comck.relstdio.h cg.com clib.rel bdosfunc.h fpc.com crun.rel conio.h mx.com cend.relctype.h direct.h io.h

Re: MegaRAM

1999-03-19 Thread Laurens Holst
>> >> >BTW, memory mapper wasn't born jointly with MSX2. Many MSX2 that I knew >> >had only 64kb of RAM. Does your 8235 have internal Memory Mapper? >> >> Memory Mapper is part of the MSX2 standard. >> >So the NMS 8220 e.d. where not part of the MSX2 standard? This 64k of memory IS mapped. Beside

Re: 64K VRAM?

1999-03-19 Thread Laurens Holst
>> Maybe you mean the NMS 8220? >> That machine had only 64K RAM (normal memory mapper), but did still >> have 128K VRAM, like every MSX2 I've ever seen... > >How can 64kb of RAM be memory mapper? Memory Mapper with only 4 memory >blocks is a bit unuseful! NOT!!! With a non-memorymapped 64k RAM t

RE: LOG(x) BASIC function

1999-03-19 Thread Hans Otten
Last time i looked into the Microsoft Basic interpreter i remember seeing appromation of functions like log(x) with things like Taylor sequences. And quite a reasonable approach for the accuracy needed. I still have the commented source of the Basic rom of the Commodore PET, 6502 cpu code (so you

Re: MegaRAM

1999-03-19 Thread Ricardo Jurczyk Pinheiro
At 17:13 18/03/99 +0100, you wrote: >> Hydlide 3 is 512K. >> ROM version of Royal Blood is 1MB. Royal Blood? I've never heard about this game... Does anyone can tell me more? Thankx. Ricardo Jurczyk Pinheir

Re: MegaRAM

1999-03-19 Thread Maarten ter Huurne
At 02:53 PM 3/18/99 -0300, you wrote: >> Philips 8235, 8245, 8250, 8255 and 8280 were all sold with 128K mapper. > >Only Philips did it? Did other manufacturers do only 256kb of Mapper >built-in? I think there may be a few. Manual would probably say "check the hardware list". Philips MSX2 machin

Re: LOG(x) BASIC function

1999-03-19 Thread Maarten ter Huurne
At 05:22 PM 3/18/99 +0100, you wrote: >I was wondering how BASIC calculates LOG(x). Does it use a look-up table >(would require massive amounts of memory), some sort of algorithm (would >require massive amounts of CPU time), or some mixed method? There must be using a way that requires only a li

Re: Round 16... FAT! (help wanted!!)

1999-03-19 Thread Maarten ter Huurne
At 07:01 PM 3/18/01 +0100, you wrote: >>SET the disk change flag? Why do you need to do that? > >The behavior of my driver when a function call is made is the following: > >- Check if the disk has been changed via CALL #4013. >- If not, read an internal table which contains the type of the drive.

RE: MegaRAM

1999-03-19 Thread Patrick Kramer
> -Original Message- > From: Marco Antonio Simon dal Poz [SMTP:[EMAIL PROTECTED]] > Sent: vrijdag 19 maart 1999 13:12 > To: [EMAIL PROTECTED] > Subject: Re: MegaRAM > > On Fri, 19 Mar 1999, Alex Wulms wrote: > > > This mystery can be solved quite simply if you look at the > spe

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.

Re: MegaRAM

1999-03-19 Thread Marco Antonio Simon dal Poz
On Fri, 19 Mar 1999, Alex Wulms wrote: > This mystery can be solved quite simply if you look at the specifications of > the MSX slot. In a cartridge slot, you have three signals, just for the > convenience of the hardware designer: > CS1: This signal becomes active if the Z80 addresses memory i

Re: BrMSX mapper emulation

1999-03-19 Thread Alwin Henseler
Ricardo Bittencourt Vidigal Leitao <[EMAIL PROTECTED]> wrote: > The MegaRAM was not added to BrMSX to improve game play. > Instead, I added it as a development tool. > > I don't know what is your opinion, but I think it's much better to > develop programs in an emulator tha

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 ex

Re: MegaRAM

1999-03-19 Thread Alwin Henseler
Marco Antonio Simon dal Poz <[EMAIL PROTECTED]> wrote: > > I still have a 256K memory mapper, where I added a write > > protect-switch for similar purposes. Make sure it's write protected > > when starting your machine (so that it's not used as normal RAM), put > > some software in it usin

Re: 1.44 MB. disks?

1999-03-19 Thread Alwin Henseler
Marco Antonio Simon dal Poz <[EMAIL PROTECTED]> wrote: > > >Do you know a FDC that supports 1.2Mb and 1.44Mb drives and is still being > > >produced, and have good documentation? > > > > Note that 3.5MHz is too slow to allow reading of 1.44MB disks. The "inner > > loop" of the sector read ro

Re: Round 16... FAT! (help wanted!!)

1999-03-19 Thread Alwin Henseler
Nestor Soriano <[EMAIL PROTECTED]> wrote: >> SET the disk change flag? Why do you need to do that? > > The behavior of my driver when a function call is made is the > following: > > - Check if the disk has been changed via CALL #4013. > - If not, read an internal table which contains the typ

Re: FDC x 1.44Mb

1999-03-19 Thread Erik Maas
Try to look at http://www.national.com/pf/PC/PC8477B.html It is a FDC from National Semiconductiors. They seem to have samples. I have received 7 of these about a year ago. (they shipped it to the netherlands at no costs for me) They are PC FDC controllers, but that shouldn't be a problem. Gre

Euhhh..? Building MegaRAM

1999-03-19 Thread Bastiaan Hubers
All this talking about MegaRAM makes me want to use one. But how to build one? Maybe it can be done in a somewhat ESE-SCC style. (I don't know much about electronics, but hey what the hack). Couldn't we make a kid of kitchentable design, something like this: tear down an old PC and rip out an I

R: LOG(x) BASIC function

1999-03-19 Thread Stefano Fronteddu
>very much like a log. You could use the taylor-series, which can be >calculated quite quick, but is not a very good approximation. I don't know >the taylor-series by heart, but I could look it up. In case you want to >start programming, it will be of the form: >y=a+bx+cx^2+dx^3+ Taylors ru

Re: R: C for Gerald & all

1999-03-19 Thread Marco Frissen
At 08:12 PM 3/18/99 +0100, Stefano wrote: : :Send me them, or let me know where can I find them ! : sigh, doesn't anyone use search engines anymore? ftp://ftp.funet.fi/pub/msx/programming/c/ for hitech-c Marco MSX Mailinglist. To unsubscribe, send an email to [EMAIL PROTECTED] and put in

R: C for Gerald & all

1999-03-19 Thread Stefano Fronteddu
>If you want to learn clean c and you really want to do it on msx >use hisoft-c or hi-tech c instead. They are much more compatible and >portible with what's out there (although the code they produce is crap!) Send me them, or let me know where can I find them ! >Gerald Bye & thanks, Stefan

RE: MegaRAM

1999-03-19 Thread Patrick Kramer
> -Original Message- > From: Alex Wulms [SMTP:[EMAIL PROTECTED]] > Sent: vrijdag 19 maart 1999 0:13 > To: [EMAIL PROTECTED] > Subject: Re: MegaRAM > > ] > ] My question is: why the data behavior is symmetric (pages even and pages > ] odd) and the block-switching isn't, I mean,

RE: FDC x 1.44Mb

1999-03-19 Thread MARUJO
>Marco Antonio Simon dal Poz <[EMAIL PROTECTED]> wrote: >>Maarten ter Huurne wrote: >>Do you know a FDC that supports 1.2Mb and 1.44Mb drives and is still being >>produced, and have good documentation? I think these docs and ICs are unavailable today. >>Note that 3.5MHz is too slow to allow rea

RE: MegaRAM

1999-03-19 Thread MARUJO
Marco Antonio Simon dal Poz <[EMAIL PROTECTED]> wrote: >> My project with MegaRAM uses a double-bank of mapped >> registers (16 bytes select ever 8kb block). >And how do you think you'll make the registers? Will you use the even >addresses to select LSB and odd addresses to select MSB? The gr