Commodore A500 Keyboard: Keep the useful things from the useless things.

Commodore Amiga 500 Keyboards Join & Fix.

Unfortunately from five keyboards i have made only one in a good shape and full working.

Commodore Amiga 500/600 PSU Repair

Amiga 500/600 (PSU) PowerSupply #1

Defect:

• Short-circuit and the fuse blows.

Replace parts:

• 1 x Transistor NPN 2SC3679.

Amiga 500/600 (PSU) PowerSupply #2

Defect:

• Short-circuit and the fuse blows.

Replace parts:

• 1 x Transistor NPN BU508A.

Amiga 500/600 (PSU) PowerSupply #3

Defect:

• Short-circuit and the fuse blows.
• The PCB is half broken.
• Some components have suffered of too much heat.
• The locking pins of the cover are broken.
• Dirty and Yellowed.

I don’t made the repair. I recovered what might come in handy.

Gallery:

The Gotek is a USB Floppy Drive emulator very cheap, you can buy it from eBay at €24.00 €20.00 including the shipping cost.

Let’s start by saying that this Floppy Disk Emulator with the original firmware is totally useless for our purpose, like to connect it to an Amiga and in the near future to a Atari ST or Amstrad CPC. The new firmware written by Herve Messinger replaces the original firmware, to do this you need a simple converter from USB to TTL Serial Interface to program the STM32 ARM Cortex MCU.

I would add this thing; this Floppy Drive Emulator is not absolutely comparable to the HXC Floppy Emulator of Jean-François DEL NERO (Jeff) where in addition to supporting dozens of Floppy Formats/Hardware and the Firmware is in development from several years but it’s a nice and inexpensive alternative.

For more information, firmware and programming tool you need to go here the official blog of Herve Messinger.

Video:

source: cortexamigafloppydrive.wordpress.com

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

Titles:

• Battle for Normandy 101% +D
• Bubble Escape 2K +1D
• Harrier Attack HS &D
• Maze Dash +3
• Blob Preview V3 +1
• Maze Dash +4MH
• Magic Duel [Doreco Party Edition]
• Bellringer III V1.5 +4HFD [pal/ntsc]
• Scuba Dive HS &D
• Gnom [norwegian]
• Amazon 100% +5EF [pal/ntsc]
• Commando Arcade
• Wild West Seymour +2DPG +PIC +SOL +MAP
• Steinberg Pro-16 Plus, Version 2.4
• Star Lifter HS
• Denga +2
• Maze of the Mummy Preview +6
• Faster Than Light Preview +2
• Labyrinth (Commodore Disc) +
• Fuse &MHD

Download: All Games in One Archive (2878)

source: csdb.dk

Gallery:

Commodore SX64 Keyboard Fixed.

Defect:

• Some keys works and some not.

Work done:

• Cleaning with a “Contact Cleaner” to remove the oxidation of gold contacts under the membrane.
• Cleaning all keys.
• Cleaning the keyboard case (inside/outside).

Gallery:

Replacement NiCd Battery of a Commodore SR4190R Calculator.

Defect:

• Battery Leaks.

Replaced parts:

• Replaced 3 x NiCd Rechargeable Batteries 1.2v.

Gallery:

Commodore SX64 (USA/NTSC) Repair.

Defect:

• Black screen and then noise of a misaligned drive (don’t read anything).

Replaced parts:

• Replaced 1 x 906114 PLA (UE4)

Other things:

• Aligned the Floppy Drive using the original copy of the Free Spirit Software Drive Alignment.
• Removed the broken switch to disable the write protection and disconnected a LED on the front side of the SX64.
• Connected the sensor wires cut.
• Cleaning the Floppy Drive.

The HxC Floppy Drive Emulator is a software and hardware system created by jfdn aka Jeff.

The aim of this project is to replace the floppy disk drive by an electronic device emulating the floppy disk drive (list of supported Computer/Hardware).

There are two differents emulators:

• A USB version which allows to connect the floppy disk drive interface of the computer to a PC via a USB cable.
• A SDCARD version which allows to emulate floppy disks which images are stored in a SDCARD.

Release notes for the HxCFloppyEmulator software v2.0.22.0:

• GUI – Track viewer window : New viewer mode -> Disk surface view mode.
• Raw loader :  UKNC Russian computer support added.
• New Writer : BMP file (Disk/circular layout) -> Disk layout can now be exported into a BMP file (for disk analysis) !
• libhxcfe : Correction of the UTF8 path support in some loaders/writers.
• New Loader : SPS CT Raw file format support added. (NOTE : No flakey bits support for the moment !)
• libhxcfe : Generic flux stream analyzer enhanced.
• Disk Browser : ADFLib fseek corrected.

Download:

• HxCFloppyEmulator v2.0.22.0 (1385)

source: hxc2001.free.fr lotharek.pl

Apple IIc Rom v4 Upgrade & Repair.

Defect:

• The second RAM in the auxiliary memory is faulty.

Replaced parts:

• Replaced 1 x RAM 4264 (ARD1)

Upgrade:

• Apple IIc ROM upgraded to the latest version V4 (MON)

Download:

• Apple IIc v4 ROM + Installation Manual (1469)

Commodore CBM/PET 3032 Motherboard Repair.

Defect:

• Garbled screen and then “Illegal Quantity Error” message or 31 Bytes free

Replaced parts:

• Replaced 1 x NE555 (A2)
• Replaced 2 x Unstable RAM 4116 (I2/I3)
• Replaced 1 x 74LS153 (E4)

Atari Disk Drive 1050 #1

Defect:

• SIO bus unresponsive.

Replaced parts:

• Replaced 1 x LM3086N (U1)

Atari Disk Drive 1050 #2

Defect:

• SIO bus unresponsive + no reset cycle of the Disk drive on poweron.

Replaced parts:

• Replaced 1 x RAM-I/O-Timer (RIOT) 6532 (U7)

This a special edition of the Commodore C64, celebrating the 1.000.000th sale of the C64 in Germany. This is one of the most desirable Commodore items. There are about 300 golden Commodore C64 produced. The numbers from 1.000.000 until 1.000.100 were for the staff of the Commodore factory Braunschweig.

The rest was given to hard- en software companies, magazine-publishers and distributors. The C64 is a computer system with a keyboard, external power-supply and a motherboard. On the motherboard you will find a MOS 6510 processor, RAM / ROM memory, MOS 6569 VIC-II video chip, MOS 6581 SID sound chip and twice a MOS 6526 CIA. PAL version.

source: ebay.de richardlagendijk.nl

CBM prg Studio Version 3.0.0 is released. There are a lot of new features in this version. I’d really appreciate it if you report any bugs you find or have any suggestions/comments.

CBM prg Studio allows you to type a BASIC or Machine Code program in using a nice Windows environment and convert it to a ‘.prg’ file which you can run on an emulator, or even a real C64 / VIC20 or PET if you’re feeling brave and have the right kit.

CBM prg Studio is the result of merging C64PrgGen and VIC20PrgGen. Adding new features and fixing bugs in two apps which were 95% similar was a bit of a nightmare so merging them made sense.

It was also a good opportunity for a face lift and to add some new features, such as:

• Programs are project based, meaning all related source files, sprite files etc. are kept in one place and multiple source files can be linked more easily.
• Tabbed MDI.
• Syntax highlighting.

What CBM prg Studio isn’t is a front-end for tok64, cbmcnvrt, bastext or any other tokeniser / detokeniser / assembler. It’s all been written completely from scratch.

New features:

• 65816 assembler/debugger.
• Partial support for the VICE debugger.
• Bitmap import/export for character editor.
• Binary file import to Assembly source.
• Line and rectangle drawing tools for the screen designer.
• TASM support added to Source Converter tool.

Bug Fixed:

• Assembler:
  • Using arithmetic with cheap labels would fail.
  • Slow incbin performance for large binary files.
  • Wrong SYScall generation for C128 projects.
  • incbin with screen data imported all screens.
  • Assembling past the end of memory not detected properly.
  • Invalid branch not detected properly.
  • Arithmetic on WORDs not carried out.
  • Multiple characters in single quotes in BYTE sequences not assembled properly.
  • GenerateTo only created .prg files.
  • Save File As… would only save .bas files.
  • Comment tool would not comment out already commented code.
  • Incbin reporting ‘file too large’ error by mistake.
• Screen Designer:
  • Binary file export
  • Colour selection for C16 projects didn’t work.
  • Wrong screen size saving C128 screens.
  • Character set selection corrected.
• General:
  • Some code reformatting issues.

Download: CBM prg Studio v3.0.0 (1165)

source: ajordison.co.uk

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:

• Resizable main window for windowed mode.
• Fix Ultimax VIC fetch.

Download:

• Hoxs64 64 bit v1.0.8.7 (966)
• Hoxs64 32 bit v1.0.8.7 (928)
• Hoxs64 Ansi Win98/2K v1.0.8.7 (904)

source: hoxs64.net