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olaf

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Posts posted by olaf

  1. After 2 years of inactivity, Minus4j, a Commodore Plus/4 emulator for Java, has been updated. This news comes from Emunews 24 and below are the changes.

     

    - Now ties itself to a user framerate were ever possible, 50 by default.

    - You can now scale the screen into a larger display (720x480 is *2)

    - You can now "round" the edges of the display to simulate a TV

    Click here to visit the homepage.

  2. Reviving an old thread -- I'm working on a Spectrum emulator as a pet project -- based off vbSpec. I started it because I wanted to play Count Duckula and vbSpec was the easiest to work -- started up without any problems, and on top of that it was made in Visual Basic. It lacks things like snapshots, intuitive windows, debugger, etc. -- So I'm taking over. I don't know if I'll ever release it, it's for my enjoyment.

  3. bsnes, one of the newest and most updated sees another updated today. Below are the changes in this version as reported by Emu#dreams.

     

    - DMV27 pointed out some flaws with DSP sound generation. Specifically, the noise sample wasn't being sign-extended, causing noise channels to sound a little off, e.g. in the Dual Orb 2 opening. More specifically, it was causing half the volume range to be lost.

    - I also took the time to fix Mortal Kombat 2/3's serious sound issues. Turns out, the problem was that writes to VxSRCN caused the sample to restart. The later MK games write to these registers constantly, causing the samples to keep restarting before finishing. It seems that writing to VxSRCN should only update the BRR source address, and that the write will only be acknowledged when the affected channel reaches a BRR block with the end bit set.

    - I also modified KON to always return the last value written, as anomie indicated. The cause of the Der Langrisser sound corruption appears to be due to clearing KON whenever KOFF is written to. At least for DL, it seems to require that the KON bit remains set, so that when KOFF is cleared, the sample is played. This is contradictory to anomie's research, so further testing will be needed. I also modified the kon/koff update check to every DSP sample generated instead of every two, which is what TRAC uses, to see how it would affect games. I believe some games sound slightly better, but that this may not be correct. I shall have to test this myself as well.

    - The C4 wireframe code has been fixed, so the C4 code now appears to be equivalent to the snes9x code, only with slightly more accurate triangle / multiplication functions, some extra test ops that aren't used by the MMX games, and a possible hanging bug with OAM opcode 08h. But then I haven't played through both games from start to finish to verify yet.

    - Lastly, DMV27 gave me a fix for bsnes on Win9x, so it should run there now as well. It appears to also compile with MinGW now, too. I still need add his suggestion to make the destructors for base classes virtual, however. This should eliminate the need to static cast base class pointers to call the derived class destructors. c++ is fun.

    Click here to visit the homepage and find out more.

  4. Part of me wants to slap the guy, and part of me wants to pat him on the back. Slashdot brought up an interesting comment yesterday, taking cheap shots at Microsoft about Xbox, and how it's a big monopoly and buying their console is feeding the angry giant basically. They countered that remark with bashing Sony for a its recent rootkit in CDs. Not a very useful comment, but look it up if you don't know what I'm talking about. They're both pretty evil corporations these days -- but I must say -- they make one hell of a game system(s).

  5. PDRoms says Foft has released his Atari 800 emulator for the GP2X today. Below are his changelog notes.

     

    - The proper version will be HH. For now there is an almost complete Linux SDL version. It runs under SDL on my PC, but I'm not sure if it works on the GP2X. I was about to finish debugging it on the GP2X and killed my GP2X through utter stupidity! I copied over libc6.so.1 thinking it wasn't used. I should have checked. I also should have known, been using Linux since libc5 days. Anyway here is the untested binary/source.

    - Now works, mostly (link updated). Sound is delayed and a bit rubbish. Let me know of other bugs. This is still a pre-release, but have fun!

    Click here to visit the homepage.

  6. pIRC is an application that allows you to connect to Internet Relay Chat servers across the world with your Sony Playstation Portable via your WiFi connection. This news was reported by PDRoms and below are the changes in version 0.5b of pIRC.

     

    - improved channel joining time!

    Click here to find out more.

  7. PDRoms has reported that Snaff has updated his GP2X port of Frodo, the Commodore64 emulator. Below are the changes in this quick update.

     

    - Joypad is now less sensitive to diagonals

    - The two versions Frodo and FrodoPC are now included - some games work in one and not the other, for instance IK+ works in Frodo and not FrodoPC, Bruce Lee works in FrodoPC and not Frodo. Previously only FrodoPC was included

    Click here to visit the homepage of Frodo2x.

  8. SSF, the Sega Saturn emulator has finally reached beta status as of 0.07 reports AEP Emulation Page. Not much more is known besides that, as the homepage is in Japanese.

     

    Here is the translation modified for readability

    Commemorating the Sega Saturn's 11th anniversary, we release the latest edition of SSF.

    It meaning that I am busier, operation verification has not done exhaustively...

     

    SSF Ver0.07 beta

    * Interruption processing of the SCU was modified.

    * The LFO of the SCSP was corrected.

    * FM wiring of the SCSP was mounted.

    * Reproducibility of the built-in sound source has improved.

     

    Option related to sound was removed.

    Excessive speed does not change being and, the source to see and to become harsh...

    If demand is high, we may reinstate the control.

     

    It means that almost all functions are coded.

    While I'm working on the missing code, please report any bugs you find.

    As my time is taken with other matters, there will a be long time between releases.

  9. Version 0.8.5 of Eboot Loader is now available says PDRoms. Eboot Loader is tool allowing users to run homebrew EBOOT binaries on their Playstation Portable (version 2.0). Below are the changes in this release.

     

    - Introduced a configuration file, to allow tweaking of EBOOTs by end-users. See loader085.cfg for details

    - Improved kernel-mode override patching logic - makes a lot more apps run

    - Attempt to kill surplus system threads, for stability

    - Run loader from reserved memory for increased stability

    - Tidied up some memory reuse in ELF section header handling

    - Bundled graphical menu now filters to only display the names of EBOOTs for selection - all the surplus fluff is hidden. Also now handles v1.5 kxploit-style homebrew directory structure

    - Added option to allow L+R+START reset to go back to loader menu, rather than main menu

    More information is available here.

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