Sinclair ZX Spectrum 128k (Toastrack) Repair

Defect:

• Garbage screen on bootup.

Repair:

• Replaced 7404 (74LS04)

Note:

• Missing one HEX Inverter between Pin 11 and 10.

Gallery of the repair:

Outrun New Year Music Demo for the Atari ST by Peter Jørgensen

The music has been converted by Peter Jørgensen aka. fedepede04 aka bionic nerd, using a special version of Project Ymer, that can exported its tracker scores to YMT files.

It’s a Pure YM2149 Sound, no Samples, no Sid, Synth Wave, or Phaser sounds.

Download: Outrun New Year Music Demo (889)

source: bitmania.de

Thanks to my friend Andry for donation a few things for Atari

Here the list:

• Modem Supra Corporation 300 AT
• Berliner Cilinder Video Digitizer Atari 520 ST
• Composite Video Switcher (Color/Mono)
• A unknown Interface with 3 x Potentiometers+ 2 x DIN IN/OUT + Cartridge Expansion Port (they have used the cartridge case of the Commodore 64 but the connector is Atari).
• A unknown Harddisk Interface for Atari.
• Two unknown cables with Floppy Drive Connections.

Gallery:

Thanks my friend Andry for the donation of a few cartridge games for the Commodore VIC-20 that i have missed in the years.

Titles:

• Buck Rogers Planet of Zoom (Sega)
• Avenger (VIC-1901)
• Gorf (VIC-1923)
• Saragon II Chess (VIC-1919)
• Mission Impossible (VIC-1916)
• Slot (VIC-1904)
• Alien (VIC-1906)
• Speed Math / Bingo Math (VIC-1933)

Thanks to my friend Andry for donation some games cartridges.

Titles:

Radofin 1292/1392 – Acetronic MPU 1000 – Prinztronic Microprocessor – Audiosonic PP 1292

• Horse Racing (3012 HR) – Boxed
• Prizefight (3014 PF) – Boxed
• Air/Sea Attack (3005 AT) – Boxed
• Shooting Gallery (3006 SG) – Boxed
• Tank/Plane Battle (3004 TP) – Boxed
• Pro Sport 60 (3001 PS) – Boxed
• Circus (3013 CI) – Boxed

Palladium

• Tele-Bowling (Wipeout) – Tele-Cassette 606 – Boxed
• 10 Ball-Spiele – Tele-Cassette 610 – Boxed

Home Arcade – Leonardo GIG – Hanimex HMG2650 – Arcadia 2001

• Breakaway (#17) – Boxed
• Cat Trax (#24) – Boxed
• Grand SlamTennis – Loose

I have exhumed my old Macbook Core 2 Duo 13″ (late 2007) to install a Linux OS (Linux Mint) but before doing this work i wanted to give a nice internal cleaning and replacing the thermal paste of the cpu.

Gallery:

Hoxs64 written by David Horrocks is a Commodore 64 emulator for Microsoft Windows 2K/XP/Vista/Seven (DirectX 9+)

The emulator substantially reproduces this legacy machine in minute detail.

Changelog:

• Fixed CPU opcodes SHS SHA SHY SHX ARR (decimal mode) to pass the VICE tests.
• Added SID noise write back behaviour.
• Corrected the SID master volume position to be after the SID filters. Was broken since v1.0.8.8.
• SID ring modulation fix.
• Corrected sector gaps when reading a D64.
• Adjusted 1541 drive motor spin down timing as required for Wonderland XIII by Censor Design.
• Fixed fault with save state / load state.
• Fixed fault with FDI save.
• Fixed Ultimax open address fetch.

Download:

• Hoxs64 64 bit v1.0.9.1 (841)
• Hoxs64 32 bit v1.0.9.1 (786)
• Hoxs64 Ansi Win98/2K v1.0.9.1 (755)

source: hoxs64.net

Commodore Floppy Disk Drive 1541 Repair (#1)

Defect:

• Motor runs continuously.
• Loading a Program or a Directory freeze the computer.
• Misaligned.

Repair:

• Replace 901229-05 (UB4)
• Replace 7414 (UA1)
• Head Alignment.

Gallery of the repair:

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Commodore Floppy Disk Drive 1541 Repair (#2)

Defect:

• Write Protect Problem.

Repair:

• A wire of the infrared LED was broken. The problem is remove the glue and the heat shrink tube around the LED.

Gallery of the repair:

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Commodore Floppy Disk Drive 1541 Not Repaired (#3/#4/#5)

Defect:

• Don’t read anything.

These Floppy Disk Drive have the Read Head interrupted. This seems to be the most common problem in the Mitsumi (Newtronics) drives.

Gallery:

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Commodore Floppy Disk Drive 1541 Repair (#6)

Defect:

• Loading a Program or a Directory freeze the computer.

Repair:

• Replace VIA 6522 (UC3)

Gallery of the repair:

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Commodore Floppy Disk Drive 1541 Repair (#7)

Defect:

• Loading a Program or a Directory freeze the computer.

Repair:

• Replace 7414 (UA1)

Gallery of the repair:

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Commodore Floppy Disk Drive 1541 Repair (#8)

Defect:

• Motor runs continuously.
• Loading a Program or a Directory freeze the computer.

Repair:

• Replace CPU 6502 (UC4)
• Replace 7414 (UA1)

Gallery of the repair:

Commodore 64 [ASSY 250407] Repair (#1)

Defect:

• Startup screen Scrambled/Garbage.

Repair:

• Replaced the IC socket of MOS 6569 (VIC-II) oxidized.

Gallery of the repair:

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Commodore 64 [ASSY 250407] Repair (#2)

Defect:

• Garbage Graphics.

Repair:

• Replaced MOS 6569 (VIC-II).

Gallery of the repair:

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Commodore VIC-20 [ASSY 250403] Repair

Defect:

• Black Screen.

Repair:

• Replaced MOS 6502 (UE10).

Gallery of the repair:

Amiga 600 (REV1.5) badly Distorted Clipped Saturated audio Repair

This Amiga 600 has suffered several months ago serious problems of the leakages capacitors.

The amiga has worked for a period and then the sound has stopped to working with the classic distorted/clipped audio defect.

I have replaced the usual LF374 SMD with a TL084C 100% compatible and everything has started to work perfectly.

Gallery of the repair:

Commodore Amiga 500 (ASSY 312510 REV.5) Repair

Defect:

• Black Screen.

Repair:

• Replaced a 74LS244 (U35)
• I have removed a rusty part of the pcb to see if the tracks are interrupted or in a bad state.

Note:

• This Amiga has already been repaired in years past, not from me.

Gallery of the repair:

This is another nice test cartridge can help a little bit the repairs, many thanks to the author of the DIAG264 software.

Gallery:

source: diag264 blog.tynemouthsoftware.co.uk

Replacing the black case of the Ultimate II+ cartridge with a transparent one.

Gallery:

source: 1541ultimate.net

Some new games or tools (Cracked / Trained or Unrealeased) for Commodore 64 have been released from your favorites groups.

Titles:

• Fire Breath +
• Fire Breath +3D
• Fire Breath +
• Space Game Preview
• Commie UFO Attack +2
• Fire Breath +4HD
• Fight Run Preview
• Border Blast 3 [seuck]
• Basic Battleships
• Zap Fight 2 – Special Edition [seuck]
• Walker +7FD
• Memory (+Editor) +1TD
• Weasel +3MTD
• The Hunter [seuck]
• Super ACE 1942 [seuck]
• Main Ninja [seuck]
• C64 Maze Preview
• The Legend of the Amazon Women +5DG
• Casino Wheel 64
• Camel’s Back
• Planets of Death Preview
• Hack Attack 1.1
• 8-bit Civilizations – Demo
• Hack Attack 1.1
• 8-bit Civilizations Preview &D
• Roll On
• C64Maze &D
• Munchkin 64 Preview
• Pong Preview 2
• Inner Space Plant Attack +5HD
• Labman +3JTD
• Mastermind 2017
• Funky Fraktions
• C64Maze +JD
• Antarta [seuck]
• Gameboy Tetris
• Moonstone Preview V2 +D
• Snake Preview
• Mastermind 2017 +
• Pretzel Shop
• Donut Shop
• Trader!
• Basic Battleships
• Escape from London Preview
• Rescue at Rana +4D
• Mastermind 2017 +D
• Yatzy +D
• PETSCII-Poker 2016 +D
• Row Man Preview +
• Fort Django V1.1
• Fort Django V1.1 +

Download: All Games in One Archive (3864)

source: csdb.dk

This is the official demo party results from Datastorm 2017. See also the CSDB DATASTORM 2017 section for more informations.

C64 Demo:

• 1  Neon by Triad
• 2  The Shores of Reflection by SHAPE
• 3  The Last Hope by Atlantis
• 4  Zoo 2017 Invitation by Artline Designs, Extend, Triad
• 5  Göteborg Tower by Active
• 6  Surdataströmming 99% by Elysium
• 7  Dansa med DNS by Dinasours

C64 4K Intro:

• 1  Belong by Mahoney
• 2  NP Complete by Rabenauge

C64 Music:

• 1  Bait & Switch by Stinsen
• 2  Intertwined by Dane/Lft
• 3  I Just Had Hex on My Wavetable by Fegolhuzz        
• 4  Savers by Zabutom
• 5  Smokish by Kristian Røstøen        
• 6  Too Little Time by Qdor        
• 7  Sculpting the Data by ZZAP69

C64 Graphics:

• 1  Rear View by ilesj
• 2  Spring Gate by Leon
• 3  Incarnations by Twoflower            
• 4  Winter Girl by Hammerfist
• 5  Time to Waste by Malmix        
• 6  Mononkel by hedning
• 7  A Dragon by Sharakmir
• 8  Monster in My Cookie Jar by OhLi        
• 9  Vad är en riktig dator?

Mixed Graphics:

• 1  Grönsaksmördaren by Fatzone        
• 2  Pollygon Wants a Crackfix by Divine Stylers        
• 3  Treasure Trove by PETSCIIBerlin        
• 4  Mr Roboto by Rabenauge        
• 5  Norwegian Barbecue by Darklite, Hoaxers        
• 6  Scrolling Kitchens by Silicon Limited        

Productions released outside compos:

• Argentine Songbook Vol. 1 by PVM (Music Collection)
• Blackbird 1.0 (Tool)
• Jupiler Dance by Genesis Project (Music)
• Modular Sounds 5 by Artstate (Music Collection)
• Neon poster by Triad (Misc.)
• Ohnesorg by Triad (One-File Demo)
• Spring Gate by Resource/Chorus/Singular (Graphics)
• Suburbia Sprawling by Triad (Graphics)
• T.P.C.T.S. by Bonzai (One-File Demo)

Download: Datastorm 2017 Full Party Stuff (962)

source: datastorm.party