Re: Buffers

From: Ojala Pasi 'Albert' (
Date: 2000-09-12 21:24:25

> -     According my info the 1581 has 4 buffers. But it also has 8 KB of
>       RAM. How many buffers has the 1581 indeed?
> -     The memory mapping of these buffers? 

0000-00ff zero page work area, job queue, variables
0100-01ff stack, variables, vectors
0200-02ff command buffer, tables, variables
0300-09ff data buffers (0-6)
0a00-0aff BAM for tracks 0-39
0b00-0bff BAM for tracks 40-79
0c00-1fff track cache buffer

4000-5fff CIA
6000-7fff WD177X FDC
8000-ffff 32k ROM

"Make a big deal out of it .. as much as you can, given nothing happened."
	-- Sheridan to Ivanova in Babylon 5:"Rumors, Bargains and Lies"
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