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Sony Playstation Series

PicoDrive 1.51b (Sega Megadrive/Genesis and Mega/Sega CD Emulator) Update Information
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Gameplay taken from youtube of Sonic CD running on PicoDrive

About
This is yet another Megadrive / Genesis / Sega CD / Mega CD emulator, which was written having ARM-based handheld devices in mind (such as PDAs, smartphones and handheld consoles like GP2X of course). The critical parts (renderer, 68K and Z80 cpu interpreters) and some other random code is written in ARM asm, other code is C. The base code originates from Dave's (fdave, finalburn) PicoDrive 0.30 for Pocket PC. The Sega/Mega CD code is roughly based on Stéphane Dallongeville's Gens.

The PSP version uses the same code as GP2X, but has ARM specific code replaced with generic C, hence it performs worse than GP2X version, but is still able to run some games fullspeed with no frameskip.
Gizmondo version should be able to run all games GP2X version does (Sega/Mega CD including). Performance is a bit worse and it has some tearing problems (due to slow video memory access).
There are a few Windows releases too, made just to showcase SVP and Pico emulation.

PicoDrive was actively developed for UIQ2 devices until I got GP2X. Then I wrote the compatibility part for GP2X and moved active development to it, abandoning UIQ2 port and leaving it at 0.93. The UIQ2 port had a little different name (PicoDriveN), because it was already ported from fdave's sources by AnotherGuest before my first release. There is also one release for UIQ3, which is based on 0.964 GP2X version.


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Changelog since 1.51:


1.51b
Fixed a crash when uncompressed savestate is loaded.
Fixed an idle loop detection related hanging problem.
PSP: fixed another palette related regression.


1.51a
Fixed a sync problem between main and sub 68k. Should fix the hanging
problem for some games.


1.51
Improved bin_to_cso_mp3 tool, it should no longer complain about
missing lame.exe even if it's in working dir.
Fixed a regression from 1.50, which caused slowdowns in Final Fight.
Fixed some regressions from 1.50 related to sprite limit and palette
handling (caused graphical glitches in some games).
Added ABC turbo actions to key config.
Some other minor adjustments.


*********************************************


Credits
fdave - wrote larger part of Cyclone 68000 core and the base code of PicoDrive.
Reesy & FluBBa - DrZ80, the Z80 emulator written in ARM assembly.
MAME devs - Yamaha FM sound generator (YM2612).
MAME devs - Texas Instruments SN76489 / SN76496 programmable tone /noise generator (PSG)
Stéphane Dallongeville - Gens, opensource MD/Mega CD/32X emulator. Most Sega CD code is based on his emu.
Helix community - Helix mp3 decoder, used for decoding mp3s for Sega/Mega CD games.
Charles MacDonald - reverse engineered and documented the hardware.
Steve Snake for all that he has done for Genesis emulation scene.
Tasco Deluxe for his reverse engineering work on SVP and some mappers.
Exophase, Rokas and Lordus for various ideas.
Bart Trzynadlowski for his SSFII and 68000 docs.
Haze for his research.
Nemesis for his YM2612 research.
Mark and Jean-loup for zlib library.
ketchupgun for the skin.

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Comments
(12 Comments) Latest comment was 3 months ago
Humanfly138 View Profile
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6 years ago
This seems to be the latest PicoDrive for PSP I always thought the "b" in the title mean't beta, but apparently not.

So... if you have 1.51 or 1.51a then this is a few fixes newer.
AlienFirefox View Profile
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6 years ago
the emulator is perfect and doesnt require cfw to use. i wish they could make one of these for the snes. i know they have a few for the snes but not as good as this.
Humanfly138 View Profile
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6 years ago
The SNES emu I use is Snes9xTYL 0.4.2 http://natiaznie-potolki39.ru/downloads/playsta ... slim-port/
as you say, SNES emulation on PSP isn't great but with that emu you can get quite a lot running by tweaking the renderer, V-Sync and frameskip. Then on the options menu press start to save the config for the current ROM.
I'm sure you've probably already tried it, but y'know.... just incase.
Humanfly138 View Profile
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6 years ago
Update.... this is the SNES emu I've had most success with recently.... beats the one in the post above http://natiaznie-potolki39.ru/downloads/playsta ... -emulator/
Humanfly138 View Profile
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6 years ago
Another Update.... this emu also runs the Pico roms http://natiaznie-potolki39.ru/downloads/misc/fu ... -no-intro/ although.... without a "Magic Pen" you're stumped!
Still.... nice to have a look at these
pixielmisfit View Profile
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5 years ago
this is the best,, love it a lot I was really shocked at how many games are on it the Sega cd games rock too thanks Humanfly138 !
Humanfly138 View Profile
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5 years ago
You can use the Megadrive/Genesis .pat cheat files from this http://natiaznie-potolki39.ru/downloads/pc/ ... code-pack/ with picodrive
FFTHEWINNER View Profile
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5 years ago
^thanks :). is this the latest version?
ish2008 View Profile
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4 years ago
Thanks for the emu very cool
Humanfly138 View Profile
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4 years ago
FFTHEWINNER, yes this is the latest version. Hasn't been updated for ages
ZX81v2 View Profile
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3 years ago
This don't NEED updating... It's bloody wicked !!! Only GEN Emu I know that plays all the STRIKE games perfectly on PSP. Up to now I have only had One Rom bugger up!
Compared to PGEN, This kicks it in the balls, HARD !
If you have a CFW PSP then get this emulator ! Handles, GEN/BIN/ISO in ZIP file types.
So most of your existing "BACKUP" collection works straight up without buggering about trying to change formats !
My Rating: 9.8/10
wad11656 View Profile
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3 months ago
Humanfly138 - Thanks for the offer, but it looks like your (5-year-old, lol) link is down..
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