Re: Commodore datassette for the Oric-1

From: Richard Atkinson (
Date: 2002-04-07 12:49:38

  • Next message: Marko Mäkelä: "Re: Commodore datassette for the Oric-1"
    On Sun, 7 Apr 2002, Marko Mäkelä wrote:
    > The good news are that the Oric-1 was improved in the process.  Since
    > the Oric tape connection has been designed for regular tape decks, I had
    > to locate a spot where the TTL-level cassette read and write lines are
    > located.  Now, this C2N interface for the Oric-1 has been documented at
    > <URL:>.
    This is fantastic news, Marko. The Oric-1 is a highly fascinating machine
    for those of us with an interest in British home computers - it's
    virtually the 6502 equivalent of the ZX Spectrum. The problem has
    historically been (for me, at least) the extreme rarity of Oric disk
    drives and the corresponding prices that collectors are prepared to pay
    for them. Even the Oric Atmos computer itself goes for pretty silly
    Although the Oric video chip is quite interesting in itself, the most
    curious thing about the Oric (neglecting its "hidden" 16K for a moment) is
    the interface with the AY-3-8912 Programmable Sound Generator. This is
    quite unlike any other PSG implementation. It uses a MOS 6522 VIA to
    control the PSG data, address and control busses with some very
    interesting hacks resulting from this method of controlling the PSG.
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