Re: A86: Converting ABS -> ASIC and vise versa


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Re: A86: Converting ABS -> ASIC and vise versa




$30000 - $5ffff is ROM.

Stephen Hicks wrote:

> That's not exactly how the emulator does it.  it uses like $00000-$5FFFF or
> something...
>
> Grams Family wrote:
>
> > At 04:03 PM 5/8/98 -0400, you wrote:
> > >
> > >How do you convert between ASIC (16-bit) and ABS (24-bit) by hand? Not rom
> > >calls, by hand. I want to know because I am messing with the emulator and I
> > >need to know how I find out which page # and 16-bit address an Absolute
> > >address it. That way I can search using ABS, which will search all pages,
> > >and figure out the ram page and 16-bit address it is on.
> > >
> > ABS addr                ASIC addr (pg, offset)
> > 000000-00FFFF   0, 0000-FFFF
> > 010000-013FFF   1, 8000-BFFF
> > 014000-017FFF   2, 8000-BFFF
> > 018000-01BFFF   3, etc...
> > 01C000-01FFFF   4
> > 020000-023FFF   5
> > 024000-027FFF   6
> > 028000-02BFFF   7
> >
> > --Joshua
>
> --
> Stephen Hicks
> mailto:shicks@mindspring.com
> ICQ:5453914
> IRC/AIM:Kupopo
> Hopemage:http://www.mindspring.com/~shicks/




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