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11 votes
2 answers
1k views

How to convert Atari (65XE) tapes to ATR?

I still have some tapes for my Atari 65XE and I'd like to play some of the old games I got. But I don't have the Atari anymore. I have a tape recorder of quality surpassing the Atari one by quite a ...
  • 6,735
39 votes
3 answers
3k views

Advantages of a Hitachi HD6309 versus a plain Motorola MC6809

Hitachi was a second source for the Motorola 6809 Micro Processor. The 6309 had many secret features. What advantages does the HD6309 have over the MC6809?
  • 2,357
17 votes
2 answers
2k views

What should I do when some of the keys of my Amiga 600 have stopped working?

I opened up an Amiga 600 to install a hard drive, and after reconnecting the keyboard ribbon and powering the computer up, at least one column of keys no longer works. What did I do wrong and what ...
  • 2,225
10 votes
1 answer
274 views

What to replace the belt in the cassette drive of an Epson HX-20 with?

I am the owner of an Epson HX-20 laptop computer. It runs well except for the builtin cassette drive which doesn't seem to work reliably. After carefully disassembling it I found that the belt seems ...
  • 1,562
23 votes
3 answers
3k views

Documentation for the ZX Spectrum ULA

I am writing a Spectrum emulator, however I am finding it difficult to find official or reliable information about the ULA, its functioning and its pins. Are there official sources documenting its ...
  • 1,223
16 votes
4 answers
3k views

Powering up my ZX Spectrum

I have also found a nice ZX Spectrum laying around. It needs a power source of course to run but there seems to be none that can be used to power it. Google doesn't seem to help and I would love to be ...
  • 2,434
9 votes
1 answer
274 views

How do I change the CoCo 3 color palette before running a Color Computer ROM Pak?

The Radio Shack game Wildcatting uses the wrong color set when being played on a Color Computer 3 with an RGB monitor. How can I choose the correct color set before this game automatically executes?
  • 2,357
33 votes
6 answers
2k views

Dumping and archiving C64 disks

Doing spring cleaning with family, I found some old C64 disks. These are really old and no one knows what to do with them. Archiving or dumping them seems to be options but we are unsure how to do so ...
  • 2,434
33 votes
3 answers
4k views

Reconditioning and cleaning old Nintendo (and other) game cartridges

I used to blow the dust out of the cartridges but I heard that can actually damage the cartridge or the system itself. I am looking for the proper way to clean old Nintendo game cartridges (such as ...
23 votes
5 answers
1k views

Where can I find software for the PDP-6?

We are planning to build a reconstruction of the PDP-6. The project is making a lot of progress, but currently we have a critical lack of software. Does anybody know where we can find software to run ...
  • 1,562

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