(good) MSX-emulator for mobile phones?

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Por Sousuke

Master (177)

imagem de Sousuke

02-07-2003, 23:05

I intend to buy a new mobile phone, because my old contract will be ended in one month.
These phones are getting faster, nicer and better. Nowadays we got colored displays, polyphonic sound, and so on... (/me wanna have one too!! Wink)

So I wondered, whether there exists one, which can run a MSX-emulator on it.

THX in advance! Smile

Sousuke

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Por wolf_

Ambassador_ (9903)

imagem de wolf_

02-07-2003, 23:16

afaik, originally a 486 dx/33 was sufficient to emulate an msx 1:1.. have telephones such CPUs onboard these days?

.. has a mobile phone a display of at least 256x212 and preferable 512x212 pixels?

and to get fmpac sound (tho it's not part of the msx1/2 standard), is the phone capable of 9chn FM with 2 waveforms per operator?

emulating a whole computer on a mobile phone is serious business imo Smile

Por MOA

Champion (293)

imagem de MOA

02-07-2003, 23:41

afaik, originally a 486 dx/33 was sufficient to emulate an msx 1:1.. have telephones such CPUs onboard these days?

.. has a mobile phone a display of at least 256x212 and preferable 512x212 pixels?

and to get fmpac sound (tho it's not part of the msx1/2 standard), is the phone capable of 9chn FM with 2 waveforms per operator?

emulating a whole computer on a mobile phone is serious business imo Smile

Well, most phones have ARM based processors these days. The GBA has a 16Mhz ARM7TDMI (no cache) and it is capable of emulating NES, ZX-Spectrum, etc. Most PocketPC's have 200Mhz ARM based processors on board or faster. I'd guess that phones have a similar CPU, but the devkits for cellphones all use some independant kind of API layer (Mophun, for instance), so it would be tough to reach full speed.

The resolution is way too low as well, as you say. And weird too... (horizontal resolutions of 115 for instance).

A PCM based phone can emulate any sound chip @ the cost of CPU time.

But unfortunately no coder can reach the metal without being very dependant on one particular phone. Besides... I don't know how much storage a phone has these days, but I bet you can't fit many ROM images or even DSK images.

(p/s: am I the only one here without a mobile phone, or are you still with me Thom Big smile )

Por anonymous

incognito ergo sum (116)

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02-07-2003, 23:54

The Ericsson P800 is capable of running MAME, so it should run an MSX emulator too.

Por karloch

Prophet (2146)

imagem de karloch

03-07-2003, 00:08

There was another talk about an MSX emulator for Symbian based mobile devices here: www.msx.org/forumtopic961.html.

Nokia Series 60 (Nokia 7650, 3650 and N-Gage) have an ARM at 104 Mhz, enough speed to run a good MSX Emulator. There is already GameBoy Color and C64 emulators for this devices...

As I said, these devices are mainly programmed on C, so it could be relative-easy to port fMSX...

Por Sousuke

Master (177)

imagem de Sousuke

03-07-2003, 00:21

.. has a mobile phone a display of at least 256x212 and preferable 512x212 pixels?
and to get fmpac sound (tho it's not part of the msx1/2 standard), is the phone capable of 9chn FM with 2 waveforms per operator?
emulating a whole computer on a mobile phone is serious business imo Smile

I agree with you, that it's (still) not possible to emulate a MSX on a phone 1:1. As you already said, it's a serious business Smile

But I thought, when I buy a new one, why not getting one, which can emulate a MSX?
Hmmm... a mobile (emulated) MSX.. Big smile

Sousuke

Por Sousuke

Master (177)

imagem de Sousuke

03-07-2003, 00:39

Besides... I don't know how much storage a phone has these days, but I bet you can't fit many ROM images or even DSK images.

I say my friend playing "Splinter Cell" on his Nokia 6610. He downloaded it via WAP. It needs about 60kb.
And most phones can max. store 3 JAVA-applications, 64kb each.

Some other have 3,6 MB dynamic Memory, enough for some ROMs Big smile

Por Guillian

Prophet (3455)

imagem de Guillian

03-07-2003, 14:57


Well, most phones have ARM based processors these days. The GBA has a 16Mhz ARM7TDMI (no cache) and it is capable of emulating NES, ZX-Spectrum, etc.

Yes, you are right. But bare in mind that the GBA has diferent screen modes, with support for tiles, which makes a lot easier to emulate those systems. It also has screen layers, sprites, palettes, etc...


phones have a similar CPU, but the devkits for cellphones all use some independant kind of API layer (Mophun, for instance), so it would be tough to reach full speed.

Yes. API layer is one of the problems. I have developed games for Mophun, J2ME and WGE. And my experience says that the faster one is WGE, but only a few terminals use it. Further more, most of actual terminals (the ones most people has) are not powerfull enough for emulating an MSX, and its screens are small. Of course, memory limits is another problem.

So I think we need to wait some years (1-3) to use our MSX in a common mobile phone.

Por snout

Ascended (15184)

imagem de snout

03-07-2003, 15:02

So I think we need to wait some years (1-3) to use our MSX in a common mobile phone.

MSX Association already demo-ed MSXPLAYer for several JAVA-phones some time ago, if I'm not mistaken... Perhaps we don't have to wait that long? Smile

Por Guillian

Prophet (3455)

imagem de Guillian

03-07-2003, 15:25

>>So I think we need to wait some years (1-3) to use our MSX in a common mobile phone.<<

MSX Association already demo-ed MSXPLAYer for several JAVA-phones some time ago, if I'm not mistaken... Perhaps we don't have to wait that long? Smile

I said for "common" mobile phones (the ones you and me have at home). Japanese phones are far better than "ours".

Por Latok

msx guru (3840)

imagem de Latok

03-07-2003, 15:45

My Nokia3650 already is a real JAVA phone....And it has Symbian OS....I already have a great GBC emulator for it....So an MSX emulator shouldn't be any problem......

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