Search found 3 matches

by theduke
Tue Jun 16, 2020 1:41 pm
Forum: Newbies
Topic: Building an Apple 1, question about timing?
Replies: 6
Views: 2015

Re: Building an Apple 1, question about timing?

I wanted to circle around back to this 6-month old post and show you I've got my Apple 1 clone (or more accurately, a re-imagined Apple 1) reading from the SD card: https://www.youtube.com/watch?v=nC9FKpVA9AI

If you want to hear more about my project, here's my video from the "Virtual VCF" in March ...
by theduke
Mon Dec 16, 2019 3:13 pm
Forum: Newbies
Topic: Building an Apple 1, question about timing?
Replies: 6
Views: 2015

Re: Building an Apple 1, question about timing?

Thanks guys, I will take a look at the 65C21 datasheet.

I can't understate how surprised I am that this thing works. Hat's off to Tom Owad, Ben Heck, and Vince Briel (and Steve Wozniack of course).
by theduke
Sun Dec 15, 2019 11:26 pm
Forum: Newbies
Topic: Building an Apple 1, question about timing?
Replies: 6
Views: 2015

Building an Apple 1, question about timing?

I'm following Tom Owad's excellent book (Apple I Replica Creation: Back to the Garage), pouring over Ben Heck's videos, and googling what other guys have done before me - and I've had success building my Apple 1. It works, I can play in the Wozmon and even enter integer BASIC programs (I'm using the ...