Re: Putting a RAM chip in U36 on a C128

From: MagerValp (MagerValp_at_cling.gu.se)
Date: 2002-08-21 21:12:44

>>>>> "ST" == Spiro Trikaliotis <trik-news@gmx.de> writes:

ST> I don't know that much about U36 on the C128, but are you sure
ST> that the PLA gives a CS if you try to write to that area? It might
ST> be something like the "RAM-under-ROM"-syndrome on the C64, where
ST> you can write to the RAM under KERNAL or BASIC while the ROM is
ST> selected. If the CS is not generated on write, the R/W logic is
ST> not that simple anymore.

Ah, major gotcha. Yep, doesn't work, back to the drawing board :)

-- 
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  _|___|_   +   .  +     .     +         .  Per Olofsson, arkadspelare
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