The failure was due to a cold solder on the ram socket and a bent pin on the ic MOS 8276.

Javatari is a multiplayer Atari 2600 emulator written in pure Java with no external libs.

Features:

• Client-Server multiplayer mode. Runs great in low-latency networks such as LANs.
• Drag&Drop and Copy&Paste of ROM files or URLs. Very easy to try ROMs from websites!
• Scanlines and TV screen emulation modes.
• Real Atari console user interface.

Changelog;

• Applets can now be detached from the browser window.
• Once detached, all features are available including Full Screen.
• Full Screen is now multi-monitor aware.
• Updated, cleaner looks.

Download: Javatari JAR v3.30 (Needs Java 6) (955)

source: javatari.org

I have disabled the mod to make the screen in reverse (white chars on black background), i have also made the composite mod with the right resistor value for the best quality video output.

Replacement:

12►

Simple steps to replace the keyboard Membrane of the Sinclair ZX Spectrum 128k (heatsink).

• Buy a new Sinclair Spectrum 128k Keyboard membrane.
• Unscrew the eight screws on the bottom.
• Kindly disconnect the keyboard from the connectors on the main pcb.
• Remove the back of the keyboard.
• Unscrew the block that holds the cable.
• Remove the old membrane.
• Clean the keyboard with air-spray and a soft brush.
• Install the new membrane.
• Close the back of the keyboard.
• Very kindly put the block of the flat cable and screw in.
• The keyboard is ready to be connected.
• Very kindly insert the flat cable into the connector.
• Your Sinclair ZX Spectrum 128k is like new.

source: rwapsoftware.co.uk

I thank my dear friend for the donation of the Cartridges for Commodore VIC-20.

I thank my dear friend for the donation of the BASIC cartridge for my Sega SC-3000.

I thank my dear friend for the donation of the motherboards.

• Commodore Dual Drive Floppy Disk CBM 8250
• Commodore CBM 8296

Some new games (Cracked / Trained or Unrealeased) for Commodore 64 have been released from your favorites groups:  TRIAD, Hokuto Force, The Hidden Farts and Laxity.

Download:

• Danger Valley +2ED (1029)
• Guardian HS (970)
• Ballistix (AMIGA REMIX) +4FGD [pal/ntsc] (963)
• Ponk (962)
• War in Space (Krieg im W.) +3EFD [pal/ntsc] (992)
• All Games in One Archive (2401)

source: csdb.dk

A dear friend sent to me a few things to repair or test, i will see to do my best.

Things to repair/testing:

• Commodore 64/128 – 1764 Ram Expansion (dead)
• Commodore 64 Power Supply for the Commodore 1764 Ram Expansion (pcb broken)
• ZX Spectrum Plus (7805 over burned)
• Texas Instruments TI-99/A (black screen)
• Amstrad 464 + (replace case and keyboard)
• Kung-fu Master Jamma pcb Board (no audio)
• Arabian Sinclair Spectrum 2+ (dead + tape problem + keyboard problem)
• Sinclair ZX81 (video problem / testing)
• Sinclair ZX80 (video problem / testing)
• Sega SC-3000 (cpu bad socket)

Things for spare parts or to keep:

• Sinclair ZX80 Original Power Supply.
• Commodore VIC-20 Boxed cartridges.
• Sega SC-3000 Basic cartridge.
• Commodore Dual Floppy Drive 8250 motherboard (spare parts)
• Commodore CBM 8296 motherboard (spare parts)
• Sharp CE-510F Dual Floppy Drive for Sharp PC-5000 (Boxed)
• Chalkboard Powerpad + Expansions (Boxed)
• Tape Recorder for Commodore (spare parts)

Adapters that you see in the photo:

• GQ-4X GQ-3X | WILLEM 3in1 PLCC32 to DIP32.
• GQ-4X GQ-3X | JTAG & SPI in circuit programming adapter | ICSP/ISP MODE ADP-056
• GQ-4X GQ-3X | WILLEM ADAPTER MCS-51 / AVR + PLCC44

My personal considerations:

This is a great programmer and certainly more stable of the classic Willem (parallel or usb). I have tried to program some EPROM and FLASH without problems. The power supply via USB is very stable and accurate.

from the homepage of MCUmall:

The GQ-4X is the newest model of True USB Willem Universal Programmer series from MCUmall Electronics Inc Canada.

With its complete new professional design, True USB PRO 40pin willem programmer GQ-4X is the first & exclusive Willem universal programmer in the market that owns the unique features:

• Neat robust enclosure; 40pin ZIF socket, fully automatic; JTAG support; Fast mode SPI support.
• Support O/S XP 32bit, XP 64bit, Vista 32bit,Vista 64bit, Windows7 32bit/64bit.
• Real True USB interface for both data transfer and power supply.
• High speed/fastest; most-user-friendly; simplest-to-use.
• Software update regularly; free life-time software upgrade/download.
• Multi-languages support capability: Chinese, Czeh, English, French, German, Spanish, Portugues, Italian.

The application-oriented & application-enhanced design facilitates GQ-4X supports thousands of most popular application devices (growing) and ideally suits the portable/convenient applications that includes: car automative field ECU chiptuning, airbag reset, mileage, satilite devices, BIOS refreshing, motherboard BIOS in-circuit upgrade, xBox,Wii gaming machines EPROM duplicate, Altera Xilinx JTAG, PIC/MCU development, newer laptop technology and newer desktop PC etc.

It has outstanding performance which supoprts the devices that other similar products are not capable of supporting: such as 25LF SPI series, PSOP44,TSOP48, 25VF SPI series, Altera Xilinx CPLD JTAG, PLCC84,SST39VF3201, TE28F102, 27C1024, 27C1028,HD6475,29F800, 29LV800, 29F032…

source: mcumall.com

Replaced a old yellowed Amiga 1200 keyboard with a new one.

Tiny status update of the SD2Snes Cartridge from Ikari

Directly from the SD2Snes Homepage:

So I’ve been getting a lot of questions pertaining to current progress, understandably. ;)

SuperFX is still crawling along, I’ve gotten a basic CPU core control unit and partial instruction decoder to work which can run test code in simulation fine, albeit limited. But it doesn’t deal with the different memory delays, stalling and parallelism yet; also the SNES interface, plot logic and other supplementary stuff are still missing.

The SuperFX uses pipelining which is a thing I haven’t fully understood yet, so that’s going to take some brain work and likely multiple complete rewrites of the CPU core. I’d rather not give an estimated time of completion for that at the moment… ;) Implementing pipelining properly is important because game code is laid out to take advantage of it and will not run correctly otherwise.

Besides the SuperFX, kogami has discovered a BS memory mapping bug, a regression that snuck into firmware 0.1.5 where I rewrote the BS memory mapping based on my own RE efforts. Also some graphical corruption has been found when using the “Run previous game” feature (Start button). I expect to make a bug fix / minor release addressing these issues (possibly others) in a couple of weeks.

source: sd2snes.de

Sorry, this entry is only available in Italian.

This is the official demo party results from Demo of the Year Competition. See also the official homepage for more informations.

Demo:

• Daah, those acid pills! by Censor Design *new*
• Plasma by Alpha Flight
• Our contribution to the scene by Laxity
• Xnx-Colorama by Alpha Flight
• It’s all your fault by Hitmen *new*
• Forgotten Dots by Chorus
• Te-Te-Te-TechTech It Out by Camelot
• Bob Johnson by Phantasy
• Arthrobob by Fossil
• Cascade DOTY Entry by Cascade
• Fick, Daul und wurstig by Oxyron

Download: Demo of the Year Competition 2013 *updated* (959)

source: Demo of the Year Competition noname.c64.org

Sorry, this entry is only available in Italian.