Subject: Re: [stella] New bankswitching method for accessing 32K of data From: Adam Wozniak <adam@xxxxxxxxxxxxxxxx> Date: Wed, 12 Feb 2003 01:14:30 -0800 (PST) |
On Tue, 11 Feb 2003 mickey_m@xxxxxxxxx wrote: > I was thinking: > > 0x1000 - 0x1BFC straight normal non switched VCS program memory. > 0x1BFD VCS program writes index high byte of selected game > 0x1BFE VCS program writes index low byte of selected game > 0x1BFF Writing X here would load X data bank. > 0x1C00 - 0x1DFF Data bank X read access. 32, 16 character names. > 0x1E00 - 0x1FFF Data bank X write access. Don't 1FFC through 1FFF contain reset and interrupt vectors? What's wrong with extending the 3F scheme? -- Will code for food. http://cuddlepuddle.org/~adam/resume.html adam@xxxxxxxxxxxxxxxx http://cuddlepuddle.org/~adam/pgp.html ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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