From: fachat (afachat_at_gmx.de)
Date: 2005-11-24 01:15:17
On Mon, Nov 28, 2005 at 11:05:07AM +0100, MagerValp wrote: > Yep. Apparently making a simple latch uses fewer transistors than a > read/write register. It's a PITA, but not uncommon - e.g. the SID also > has write only registers. Even the 6545/6845 has this problem, which was actually a PITA for early Linux video drivers IIRC that had to cope with these chips, but could not read the chip state to restore it e.g. after console switch. Andre Message was sent through the cbm-hackers mailing list
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