Symbian emulator?

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Por jr

Champion (377)

Imagen del jr

01-09-2003, 10:46

Currently I cannot test it, but IIRC C-BIOS did not contain BASIC, but it also doesn't need a DISK ROM. Not 100% sure about this one though. The lack of BASIC wasn't a real problem as at the time I tested it it could already run quite some games from its own disk interface.

Perhaps you're right. The disk emulation in fMSX is not I/O based but rather it is based on patching certain Disk ROM function calls so if there is no Disk ROM there is no way to use disks oO

The reason why I wanted BASIC to be present is that many games have BASIC loaders and I wouldn't want to write an MSX BASIC interpreter just for that Tongue

Por jr

Champion (377)

Imagen del jr

01-09-2003, 11:10

I can try to find and use some tricks but cannot promise an improvement... Crying

I think I made a small improvement in the keyboard responsiveness by raising the OS event handler thread priority. I'll try to post a new version this week with some of the other fixes and additions I've implemented.

Por karloch

Prophet (2157)

Imagen del karloch

01-09-2003, 11:19

>>I can try to find and use some tricks but cannot promise an improvement... Crying <<

I think I made a small improvement in the keyboard responsiveness by raising the OS event handler thread priority. I'll try to post a new version this week with some of the other fixes and additions I've implemented.
That's great Smile Thank you so much for all your efforts with the emulator.

Por marco.decesare

Rookie (20)

Imagen del marco.decesare

01-09-2003, 14:09

What about sound? Will that be included in the upcoming release?

Por karloch

Prophet (2157)

Imagen del karloch

01-09-2003, 20:22

What about sound? Will that be included in the upcoming release?
Everybody knows how important is the role of the sound and music in the MSX system, but, I think that Jr should fix all the other small aspects of the emulator and then go for the sound emulation, that seems to be the more thought thing... Anyway I won't question his workstyle Smile

Oh, and do not misunderstand me, I just LOVE to have sound in the emu ^^

Por Sousuke

Master (177)

Imagen del Sousuke

02-09-2003, 00:47

Just some suggestions for the to-do list Tongue

How 'bout putting a pause-function in fMSX, so that the user can stop the emulation and swap to another program, picking up a call/etc... and continue later?

(I'm not very sure about it... but) fMSX is able to save/restore the current state, right?
Did you consider building that feature in the emu? Smile

Por jr

Champion (377)

Imagen del jr

02-09-2003, 09:30

Sound support will not be included in this weeks release, I'm sorry. I have managed to get sound working on PC (i.e. if you run the MSX emulator inside a Symbian emulator on PC) but on the target device the system seems to simply run out of processing power. I haven't completely given up on this yet though. It might be that I will add the sound support only for the new OS version (7.0s) because it has much better audio streaming support - of course I don't know if that would speed things up enough or not, but I'll just have to wait and see. Anyway, I wouldn't hold my breath waiting for the sound support... sorry.

Pause function will be in this weeks release, I have already done it as a part of the disk change feature (i.e. you can pause the emulator and get a small menu where you can change the disk in drive A). I'm surprised nobody complained about this =)

fMSX does contain state load/save functionality, but I haven't ported it to my version yet nor have I given it much thought. It doesn't sound too impossible though so maybe I'll do it soon, I'll put it on my to-do list so I won't forget about it =) The thing about this is that the MSX memory needs to be saved so originally when I was working on 7650 I didn't want to do this because the 7650 has so small memory and I didn't want to waste a byte... On a phone with an MMC card this isn't a problem so there is more sence in implementing it.

For the forthcoming updates I have also been thinking about adding a support for multiple config files for the emulator so that you could set up the keyboard and other settings for a specific game and then save the setup for later use - could be handy as some games require that you can press some keys on the keyboard in addition to joystick control.

I have also improved disk performance, especially on gzipped disk images, by using the phone's internal RAM drive as a cache. Unfortunately the size of the RAM drive is not that big so it cannot hold a 720kB disk for example - so with bigger disk images the cache is not used. A smaller, 360kB disk, fits in the cache on my phone at least. Of course, if you have an MMC card on the phone you can easily just use non-zipped disk images to improve performance.

Por jr

Champion (377)

Imagen del jr

02-09-2003, 20:02

I just uploaded version 0.93 to my web page. Hopefully you will find the update useful even if it does not contain your favorite feature yet Wink

I did not include C-BIOS in the packet since the C-BIOS binary license requires that the C-BIOS copyright, license and disclaimer must be produced from the distribution which contains the binary =/ In other words it would not be enough for me to add this information on my web page but somehow it should be displayed from the emulator. Anyway, I added a link to the C-BIOS web page from my web page and made a template for the C-BIOS ROM in the example .pkg file in the tools zip.

personal.inet.fi/private/riihimaki/s60

Por karloch

Prophet (2157)

Imagen del karloch

03-09-2003, 01:54

I have already tested the new version. It is amazing! The screen rotation and the faster key response makes the emulator A LOT more enjoyable.

Por jr

Champion (377)

Imagen del jr

03-09-2003, 06:55

Thanks! BTW, I found a nice way to implement the "automatic" load/run command for starting up basic programs from disks or tapes. I simply hook the BIOS PINLIN routine which the BASIC interpreter uses for reading commands from console. In my hook routine I fill the keyboard buffer with the correct command and restore the original PINLIN routine in BIOS...

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