Re: can HD46505R CRTC work in a PET?

From: Francesco Messineo <*francesco.messineo_at_gmail.com*> Date: Fri, 17 Sep 2021 15:30:08 +0200 Message-ID: <CAESs-_w0B+nN_a3cph0Ln90GaxKN96A73ur=D-Th4MPtQ7RLLA_at_mail.gmail.com> · francesco.messineo_at_gmail.com

Hi Ruud!

On Fri, Sep 17, 2021 at 7:22 AM Baltissen, GJPAA (Ruud) <
ruud.baltissen_at_apg.nl> wrote:

> Hallo Frank,
>
>
>
>
>
> *>* and it seems that the difference lies on the Status Register, present
> on the 6545 but missing from the MC6845 compatible CRTCs like the Hitachi.
>
>
>
> I have no problems with the UM6845 either.
>

you're right, I've found another board with an HD46505 soldered in, so the
status register isn't really an issue on the PETs, that chip was dead then.
Best regards
Frank