Re: SRQ on the TED?

From: Thom Cherryhomes <thom.cherryhomes_at_gmail.com>
Date: Mon, 1 May 2023 13:02:38 -0500
Message-ID: <CAPQyuQJiwxd1Y8HViQ+mqVs1Kt+Wknf+qLqsCtRQgmsuiQ-suw_at_mail.gmail.com>
Before I step away, is it hooked up to the VIA on the VIC-20?
-Thom


On Mon, May 1, 2023 at 12:45 PM Thom Cherryhomes <thom.cherryhomes_at_gmail.com>
wrote:

> yeah, that makes trying to do any sort of interrupts on these machines
> non-starters.
>
> This only really comes into play when we're trying to do things like
> terminal programs that want simultaneous input and output processing.
> Things like iss tracker, weather, turn based games etc won't have as much
> of an issue on TED systems. It's okay, just have to accept the short
> sightedness here.
>
> -Thom
>
> On Mon, May 1, 2023 at 12:28 PM Richard Atkinson <ratkinson77_at_icloud.com>
> wrote:
>
>>
>> > On 1 May 2023, at 17:44, Gerrit Heitsch <gerrit_at_laosinh.s.bawue.de>
>> wrote:
>> >
>> > On 5/1/23 18:09, Richard Atkinson wrote:
>> >> But I think the 6551 ACIA will give you an interrupt from either the
>> /DCD pin or the /DSR pin, which you can get from the user port.
>> >
>> > Only the Plus/4 has the 6551/8551, the C16/116 doesn't.
>> >
>> I think in those computers, the TED chip is the only source of
>> interrupts. You’d have to attach a piece of hardware to the cartridge port
>> to generate your own interrupts on those machines.
>>
>> Richard
>>
>>
>>
Received on 2023-05-01 21:00:07

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