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Commodore Business Machines and their products. Use more specific tags like [commodore-64] or [amiga] instead if appropriate.

10 votes

Which 8-bit computers were used in German schools in the 1980s?

We had one Commodore PET-2001 which the school got soon after it was available in the late 1970s. …
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48 votes
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Why does the Commodore C128 perform poorly when running CP/M?

The code in the C128's Commodore supplied CP/M BIOS (which for this purpose includes the 4KB of Z80 ROM code) is written in such a way that outputting normal printable characters such as letters or numbers … The C128 CP/M source code (which was available from Commodore back in the day when you bought the complete set of CP/M 3 manuals from them) contains multiple instances of code that switches the VIC-IIe …
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