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Questions tagged [8-bit-microcomputers]

For generic questions about 8-bit microcomputers. For specific computers please use the appropriate specific tag.

2
votes
3answers
302 views

How does memory addressing/mapping work in 8-bit systems?

If I attach a 16 KIB EEPROM to a 6502 or similar, and put some kind of operating system on it, it will run fine, but won't have access to any other chips. So, when a Commodore VIC20 had 5k of ram and ...
4
votes
1answer
193 views

Commodore 8-bit character sets

Is the character set format same on every Commodore 8-bit computer or are there any character size, character order, or other differences between the machines? I'm purely interested in the character ...
10
votes
3answers
538 views

Do I have to use an 8284 chip with the 8088?

I recently got the idea to start an 8088 system because I've been really interested in retro computing and the idea of a "breadboard computer" sounds very fun. From what I've read, every homebrew ...
10
votes
7answers
709 views

Emulators running on 8-bit personal computers

Were there emulators running on 8-bit computers (preferably "mainstream" personal ones), available to general public (as opposed to in-house developers only)? I am mostly after emulators running fully ...
47
votes
12answers
11k views

How was the first assembler for a new home computer platform written?

How did the 8-bit computers (Spectrum, Commodore, Atari, Amstrad etc) typically "bootstrap" from bare electronics into a platform with a working assembly language and OS? What I mean: An assembler is ...
8
votes
3answers
2k views

What “Write your own RPG/Adventure game” books were available for 8-bit computers? [closed]

During the 70s and 80s there were a number of books about how to write your own games for 8-bit computers, usually in BASIC. Three examples of these books are How to Create Adventure Games by ...
12
votes
2answers
363 views

Which retrocomputers were dominant in Australia and New Zealand in the 1980s?

Australia and New Zealand are somewhat unique among large, developed, economies because they bridge the culture of (mostly) the West with the geography of the East. I am curious how this may have ...
1
vote
1answer
308 views

How to I give instructions to a Z80 CPU [duplicate]

I found a Z80 CPU lying around my house. I've search all over the Internet but I still don't know how do I input stuff and tell it what to do. Help me please
19
votes
2answers
2k views

Wiring a Zilog Z80

I've recently got hold of an old Zilog Z80 microprocessor and I know how to clock and test it. I do not however know how to connect RAM, I/O ports, control switches (for programming instructions into ...
13
votes
6answers
431 views

Did any microcomputers back in the day accellerate standard-cassette performance

Many commonplace cassette recorders in the 1970s and 1980s were capable of reading or writing two tracks at once (stereo). While that wasn't universal (portable cassette recorders were often monaural,...
6
votes
5answers
630 views

Does a market/shop with fully legal 8-bit software/games exist? [closed]

Currently about all of "8-bit micro" games that I know is either abandonware (which is a gray area) or free fan works. But is there some kind of shop, market, some place where you can purchase these ...