[Coco] CoCo 3's CoCo 1/2 mode

[Joel Rees]

What happens if you set it to zero, then read it?

2021年8月23日(月) 12:38 M. David Johnson <mdj at bds-soft.com>:

> I read that when Bit 7 of &HFF90 (cf.
> http://www.cococommunity.net/socks-gime-register-reference/ ) is set, the
> CoCo 3 is then in CoCo 1/2 mode.
>
>
>
> I don't have a physical CoCo 3 to check that on (I only have a CoCo 2).
>
>
>
> But in VCC 2.1.0d I notice that, immediately on startup, &HFF90 contains
> &HCC (1100 1100 binary).
>
>
>
> So it's already in CoCo 1/2 mode? Am I missing something?
>
>
>
> --
>
> M. David Johnson
>
> mdj at bds-soft.com
>
>
>
>
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