Running old school games on your PSP? It's definitely possible
#420100 by Sergio Biston
Tue Sep 19, 2017 3:16 pm
Try with cue, iso and mp3. I have my CD games ripped this way and it works pretty well

Thank you. But what should be the name for the mp3 files?
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#420110 by robson.santana
Wed Sep 20, 2017 12:20 am
Sergio Biston wrote:Im having issues when using Sega CD isos. I have both bin and cue files but when playing the game and soundtrack "stutters". It slowdowns so much that It cannot be played. When turning background music off the game plays fine. Any advices?


The developer notaz when he entered the 32x code, he changed the memory manager code to support 32x memory management. Looking at the Sega CD emulation run, I saw that this new memory management code is slower than the old one. When background music is disabled, the CPU is relieved and emulates in a timely manner, eliminating glitches. For now I recommend emulating Sega CD games in version 1.51b and would appreciate if you informs which games give problems.
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#420111 by robson.santana
Wed Sep 20, 2017 12:22 am
Sergio Biston wrote:
Try with cue, iso and mp3. I have my CD games ripped this way and it works pretty well

Thank you. But what should be the name for the mp3 files?


Usually the mp3's come with the correct names inside the compressed file
#420113 by Oldvic
Wed Sep 20, 2017 2:16 am
Sergio Biston wrote:
Try with cue, iso and mp3. I have my CD games ripped this way and it works pretty well

Thank you. But what should be the name for the mp3 files?

I have each file named sequentially eg. Snatcher CD (E)_01.iso, Snatcher CD (E)_02.mp3, Snatcher CD (E)_03.mp3, Snatcher CD (E)_04.mp3.....etc. I have posted my 'Snatcher' cue file below to show example.
There are some other things you can do improve things if you're getting a lot of skipping:
Use the European PAL versions (Mega CD) of Sega CD games if they exist. They only need to run at 50fps to be at full speed, so any frameskip would only kick in when framerate drops below 50fps, rather than the 60fps for US NTSC games.
Reduce 'Sound Quality' from '44100hz' to '22050' as it's less cpu intensive.
In 'Sega/Mega CD' options, try disabling 'Scale/Rot. fx' and 'Accurate sync for CPU's' if the game doesn't need it. 'Scale/Rot. fx' is used for 'Scaling and Rotation'. It is sometimes only used in small sections of certain games (eg. in 'Jaguar XJ220', it is only used to show the rotating track map when choosing a circuit), but for some other games it is essential (eg. 'Wheel of Fortune' needs it enabled to display the 'Wheel'). I tend to leave it off (unless it's obvious a game needs it) as many games don't use it.

Snatcher (Euro) Mega CD cue file contents (click here):
FILE "Snatcher CD (E)_01.iso" BINARY
TRACK 01 MODE1/2048
INDEX 01 00:00:00
FILE "Snatcher CD (E)_02.mp3" MP3
TRACK 02 AUDIO
PREGAP 00:02:00
INDEX 01 00:00:00
REM LENGTH 00:06:45
FILE "Snatcher CD (E)_03.mp3" MP3
TRACK 03 AUDIO
INDEX 01 00:00:00
REM LENGTH 02:14:70
FILE "Snatcher CD (E)_04.mp3" MP3
TRACK 04 AUDIO
INDEX 01 00:00:00
REM LENGTH 04:34:05
FILE "Snatcher CD (E)_05.mp3" MP3
TRACK 05 AUDIO
INDEX 01 00:00:00
REM LENGTH 00:21:05
FILE "Snatcher CD (E)_06.mp3" MP3
TRACK 06 AUDIO
INDEX 01 00:00:00
REM LENGTH 01:12:17
FILE "Snatcher CD (E)_07.mp3" MP3
TRACK 07 AUDIO
INDEX 01 00:00:00
REM LENGTH 02:46:52
FILE "Snatcher CD (E)_08.mp3" MP3
TRACK 08 AUDIO
INDEX 01 00:00:00
REM LENGTH 03:34:40
FILE "Snatcher CD (E)_09.mp3" MP3
TRACK 09 AUDIO
INDEX 01 00:00:00
REM LENGTH 01:27:28
FILE "Snatcher CD (E)_10.mp3" MP3
TRACK 10 AUDIO
INDEX 01 00:00:00
REM LENGTH 02:09:06
FILE "Snatcher CD (E)_11.mp3" MP3
TRACK 11 AUDIO
INDEX 01 00:00:00
REM LENGTH 01:48:48
FILE "Snatcher CD (E)_12.mp3" MP3
TRACK 12 AUDIO
INDEX 01 00:00:00
REM LENGTH 04:29:53
FILE "Snatcher CD (E)_13.mp3" MP3
TRACK 13 AUDIO
INDEX 01 00:00:00
REM LENGTH 01:54:72
FILE "Snatcher CD (E)_14.mp3" MP3
TRACK 14 AUDIO
INDEX 01 00:00:00
REM LENGTH 01:21:67
FILE "Snatcher CD (E)_15.mp3" MP3
TRACK 15 AUDIO
INDEX 01 00:00:00
REM LENGTH 01:18:08
FILE "Snatcher CD (E)_16.mp3" MP3
TRACK 16 AUDIO
INDEX 01 00:00:00
REM LENGTH 00:17:12
FILE "Snatcher CD (E)_17.mp3" MP3
TRACK 17 AUDIO
INDEX 01 00:00:00
REM LENGTH 01:38:74
FILE "Snatcher CD (E)_18.mp3" MP3
TRACK 18 AUDIO
INDEX 01 00:00:00
REM LENGTH 00:47:10
FILE "Snatcher CD (E)_19.mp3" MP3
TRACK 19 AUDIO
INDEX 01 00:00:00
REM LENGTH 07:02:47
FILE "Snatcher CD (E)_20.mp3" MP3
TRACK 20 AUDIO
INDEX 01 00:00:00
REM LENGTH 00:33:10
FILE "Snatcher CD (E)_21.mp3" MP3
TRACK 21 AUDIO
INDEX 01 00:00:00
REM LENGTH 06:56:30
#420116 by Oldvic
Wed Sep 20, 2017 5:04 am
robson.santana wrote:
Sergio Biston wrote:Im having issues when using Sega CD isos. I have both bin and cue files but when playing the game and soundtrack "stutters". It slowdowns so much that It cannot be played. When turning background music off the game plays fine. Any advices?


The developer notaz when he entered the 32x code, he changed the memory manager code to support 32x memory management. Looking at the Sega CD emulation run, I saw that this new memory management code is slower than the old one. When background music is disabled, the CPU is relieved and emulates in a timely manner, eliminating glitches. For now I recommend emulating Sega CD games in version 1.51b and would appreciate if you informs which games give problems.

Notaz improved some CD stuff in v1.91, eg. Road Avenger is barely playable in v1.51b, and often crashes, but plays pretty much perfect in v1.91.
#420127 by Sergio Biston
Thu Sep 21, 2017 12:24 am
robson.santana wrote:
Sergio Biston wrote:Im having issues when using Sega CD isos. I have both bin and cue files but when playing the game and soundtrack "stutters". It slowdowns so much that It cannot be played. When turning background music off the game plays fine. Any advices?


The developer notaz when he entered the 32x code, he changed the memory manager code to support 32x memory management. Looking at the Sega CD emulation run, I saw that this new memory management code is slower than the old one. When background music is disabled, the CPU is relieved and emulates in a timely manner, eliminating glitches. For now I recommend emulating Sega CD games in version 1.51b and would appreciate if you informs which games give problems.


Thanks Robson. I used 1.51b but the problem persists. The games are Spiderman Vs King Pin and Jurassic Park, the only ones I tested. PSP 2000, US isos.
#420144 by robson.santana
Fri Sep 22, 2017 10:47 pm
Sergio Biston wrote:
robson.santana wrote:
Sergio Biston wrote:Im having issues when using Sega CD isos. I have both bin and cue files but when playing the game and soundtrack "stutters". It slowdowns so much that It cannot be played. When turning background music off the game plays fine. Any advices?


The developer notaz when he entered the 32x code, he changed the memory manager code to support 32x memory management. Looking at the Sega CD emulation run, I saw that this new memory management code is slower than the old one. When background music is disabled, the CPU is relieved and emulates in a timely manner, eliminating glitches. For now I recommend emulating Sega CD games in version 1.51b and would appreciate if you informs which games give problems.


Thanks Robson. I used 1.51b but the problem persists. The games are Spiderman Vs King Pin and Jurassic Park, the only ones I tested. PSP 2000, US isos.


Are you using the fast graphics renderer? Use Vsync - "never" or "sometimes" and/or Frameskip - Auto

I tested the Spiderman game and really the sound was stuttering. But after changing the vsync settings the game ran normally
#420365 by bloodfalco
Sun Oct 15, 2017 3:03 pm
robson.santana wrote:New provisional version released

Mr. Santana

The new provisional version had problems with sleep mode.

I am testing the sleep mode and I let my PSP on sleep mode for less than 10 minutes, suddenly the emulator freezes. Nothing can be done at all, except pressing home button and exit the apps.

Would you mind to fix the problem as the problem didn't occur with the previous iteration?

Thanks

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