Symbian emulator?

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By jr

Champion (379)

Аватар пользователя jr

28-01-2004, 17:14

Aye, architecturewise the sound streaming in the new OS should be faster for applications. And it is in practice also.

But somehow the overall performance of a 6600 is lower than a 7650. This is quite interesting, I don't know what is causing it, SW? HW? Anyway, the emulator runs faster on a 7650/3650 than 6600 -- even if I did manage to narrow the gap with the B version of the emulator the A version is still running faster on a 7650/3650. Sigh. Well, I guess we have to wait for more Series 60 based phones to appear and then we'll see if this slowness is just an issue with the 6600 SW/HW or the OS SW in general.

By jr

Champion (379)

Аватар пользователя jr

28-01-2004, 17:30

I just uploaded v0.99.

About the opcodes and other non-architectural things I changed in the Z80 emulation, if someone is interested:

- I added lots of undocumented EDxx and DDCBxx/FDCBxx opcodes that were not implemented in the original fMSX Z80 emulation.
- IMHO the original version did not handle properly DDEDxx and FDEDxx cases (both prefixes were ignored - I assume this should be handled as EDxx and just run a NOP as the DD/FD).
- The original version had zero timings for some opcodes causing wrong(?) interrupt timing.

By snout

Ascended (15187)

Аватар пользователя snout

28-01-2004, 18:16

G-r-e-a-t!!!! I'm going to test it right now!! Smile

And already another feature request...

the raw/unzoomed mode (although I almost never use it)... maybe an option to focus on other parts of the screen (center/top right/ top left/bottom left/bottom right) would be useful? Especially since in rotated mode with focus on center a lot of games are quite playable (I guess)...

By jr

Champion (379)

Аватар пользователя jr

29-01-2004, 13:39

Yes, someone already asked for it a while back and it is on my to-do list. Of course it will also introduce a marginal perfomance hit in the raw rendering mode but I guess it doesn't matter. I'll try to include it in version 1.00 and perhaps speed up the rotated raw&fast modes as well.

By snout

Ascended (15187)

Аватар пользователя snout

29-01-2004, 13:42

... which reminds me... when rotating the screen, could the left/right/up/down controls auto-rotate as well? Smile

By jr

Champion (379)

Аватар пользователя jr

29-01-2004, 15:03

Yep, also on the to-do list. In fact, a "slot" for it has already been reserved in the config file for one or two releases but I haven't got around to implementing it Smile But I'll definetely try to put it in 1.00 Smile

By karloch

Prophet (2159)

Аватар пользователя karloch

29-01-2004, 15:38

I just tested the new version (0.99a). No bugs found, and increased performace. Excellent work Jr!

By snout

Ascended (15187)

Аватар пользователя snout

29-01-2004, 15:40

I just played Space Manbow on my 6600 with perfect sound emulation. WHAAAAA!!! Smile

By Fish

Resident (44)

Аватар пользователя Fish

01-02-2004, 14:04

I just played Space Manbow on my 6600 with perfect sound emulation. WHAAAAA!!! Smile

Hey Sander! Congrats on getting that 6600 at last! Wink
It seems like the official page from JR is unreachable. Anybody having a mirror for his version 0.99 of FMsxS60?

By karloch

Prophet (2159)

Аватар пользователя karloch

01-02-2004, 14:43

I just played Space Manbow on my 6600 with perfect sound emulation. WHAAAAA!!! SmileYeah, you are right! We can now play Space Manbow at full speed and with sound. Amazing!

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