Running old school games on your PSP? It's definitely possible
#413575 by robson.santana
Tue Sep 27, 2016 12:01 am
Mega Drive, Sega CD, 32x and Master System emulator.

https://drive.google.com/open?id=0B792k ... mEtVDVwcWs (v1.91 26.08.2017 - current version)
#features
- fixed bug in clock time
- better support for suspension and wakeup (still having problems for sega cd games)
- changelog file included in pack

https://drive.google.com/open?id=0B792k ... XdPN1hpaDQ (v1.91 12.08.2017 - previous version)
#features
- re-added gamma adjust
- re-added black level adjust

https://drive.google.com/open?id=0B792k ... VFYX0hpdHM (v1.91 22.05.2017 - previous version)
#features:
- fix some freezes for SVP dynarec (-2FPS)
- less instructions for SVP dynarec (+5FPS)
- revert to c code for Yamaha sound chip (best peformance)
- bug fix: option for Sega CD CPUs sync not working in 16.12.2016 build
- same emulation speed then version 1.51b for Mega Drive/Genesis games
- fast show rom list
- some asm code for Yamaha sound chip
- added option for Sega CD CPUs sync (speed-up for some games)
- less instructions for SVP dynarec
- bug fix: sega cd audio tracks in correct order
- more asm code to svp dynarec
- status line in main menu working
- bug fix: remove accidental wip svp code
- analog control working
- bug fix: svp dynarec freeze
- bug fix: load state background
- bug fix: accurate renderer
- SVP dynarec (mirror tracks don't work) - the source code can be used in PS2, Neo Geo X, Dingoo, GCW Zero and anothers MIPS based devices
- option to keep sound while slowdown
- bug fix: load state will not change renderer

https://drive.google.com/open?id=0B792k ... E5GcUFab0U (v1.91 21.10.2016 - previous version, sega cd audio cd working)
#features:
- more screen size options
- re-added vsync options
- bug fix: save vsync options
- correct aspect ratio for games that use both resolutions (e.g.: Sonic CD, UMK3)
- svp cycles option
- more asm code (renderer and memory)

source code: https://github.com/robson-alcantara/picodrive

Games that are now compatible:

Mega Drive (Genesis):
- Landstalker

Sega CD:
- Snatcher
- Road Avenger

ps.: for Sega CD games, I recommend the version 1.51b, is more faster.

Built in Flores, Pernambuco, Brazil
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Last edited by robson.santana on Wed Sep 20, 2017 3:53 pm, edited 40 times in total.
#413765 by ShimaFlareX
Fri Sep 30, 2016 11:59 pm
Cool, I don't know why they stopped updating the PSP version. I hope you get sega CD audio working eventually.
Please upload the source code (the license says you have to do it).
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#414130 by Quickgold
Sun Oct 09, 2016 5:23 pm
Awesome job man! for one of the best emulators for PSP, keep the nice job and improvement. This is a deserved update for Picodrive

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