Re: Apple clone on an FPGA

[Lockar <lockar@apple2forever.DOTorg>]

    Forgive me guys but what is a FPGA?

      -Lockar


In article <cOednSrdQ5ehqyTfRVn-rQ@comcast.com>, Alex Freed
<alexf@mirrow.com> wrote:

> Many years ago I made an Apple ][ clone. Maybe I'm getting soft in the 
> head, but this year I did it again, with a twist. Everything including 
> the CPU fits in a single FPGA with room to spare.
> 
> This bring the question. I would like to add a Z80 "Softcard" but I 
> don't have one any more. Does anyone have a manual? If you could scan at 
> least the schematic diagram, would be great!
> 
> What works so far:
> 100% hardware emulation of an Apple ][ plus cycle accurate.
> Read nibblized images of floppies made for software emulators.
> Boots ProDOS from a Compact Flash card with an image of a hard disk.
> Uses a VGA monitor. Had to double the pixels to accomodate the scan rate.
> 
> -Alex.