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|    comp.sys.cbm    |    Discussion about Commodore micros    |    53,866 messages    |
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|    Message 53,241 of 53,866    |
|    K-Guide to All    |
|    Re: Why $0401, $0801, $1c01? Why not $04    |
|    14 Feb 21 08:10:06    |
      From: nospam.K-Guide@f230.n130.z1.fidonet.org              On Fri 12-Feb-2021 7:27a, Pzembrod@gmail.com@3:770/3.0 wrote:       P> I figure that someone here probably knows why CBM's basic RAM always       P> started at $xx01 addresses, like $0801, $0401, $1001, $1c01 instead of       P> $0800, $0400, $1000, $1c00?              P> What is sitting in that one byte, or what role is it playing?              I am not sure about the other systems, but on the C64 the Byte at $800       indicates your intention to use the following bank for Basic. If you store       anything other that 0 in that Byte, then Basic programs will not run.              [+] K-Guide              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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