Envelope-to: craig@sbc-85.com
Delivery-date: Fri, 10 Mar 2023 19:06:47 -0600
Date: Sat, 11 Mar 2023 01:06:35 +0000 (UTC)
From: Fred van Kempen <decwiz@yahoo.com>
To: SBC-85 <craig@sbc-85.com>
Message-ID: <265616533.1318827.1678496795805@mail.yahoo.com>
Subject: bus extension
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Hi:
Pin 93 was defined by you as IOREQ#, which I assume is to differentiatebetw=
een memory and I/O bus addressing.=C2=A0 But isn't that the same as wehave =
on 85 (IOM#) , just inverted?
Fred

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<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">Hi:</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Pin 93 was defined by you as IOREQ#, which I assume is to differentiate</div><div dir="ltr" data-setdir="false">between memory and I/O bus addressing.&nbsp; But isn't that the same as we</div><div dir="ltr" data-setdir="false">have on 85 (IOM#) , just inverted?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Fred</div><div dir="ltr" data-setdir="false"><br></div></div></body></html>
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