Date   : Wed, 09 Feb 2000 13:04:08 +0000
From   : Philip Blundell <pb@...>
Subject: Re: More tiny problems... 

In message <NqRQODAOGMo4EwbU@...>, Mike Tomlinson writes:
>then change mode (or add 128 to the mode number) - this moves the screen
>into shadow memory so you get the full amount of memory from PAGE
>(&1900) to HIMEM (&7FFF) available to BASIC programs, unlike the model
>B.

I think PAGE is usually &E00 on the Master.  I have a recollection that you 
can move it up to &1200 or so, though I forget why you would want to.

>8 Empty ROM socket (middle of the 3 available)

That's usually NFS if it's fitted.

>7 ? (SW RAM?)
>6 ? (SW RAM?)
>5 ? (SW RAM?)
>4 ? (SW RAM?)

Yes, those are the RAM banks.

>3 ? 
>2 ?
>1 ?
>0 ?

Those four are the cartridge slots.

p.