Tuesday, April 28, 2009

Apple 1 Interface Age October 1976

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Apple 1 ads first appeared in the October 1976 issue of Interface Age magazine. (Hmmm... or did the ad first appear as text only, in th...
Monday, April 27, 2009

Apple 1 Motherboard Hi-Res scans

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I paid a visit to Kinko's today for hi-res motherboard scans (no components installed). Others have asked for them, so here they are: h...
1 comment:
Monday, April 13, 2009

Apple 1 Repro with GI 2513 character generator

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This reproduction board (image source: bytecollector.com) is using the GI 2513 character generator which is a +5 volt IC (instead of the ori...
Saturday, April 11, 2009

Apple 1 motherboard - no components

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The Apple 1 Reproduction board
2 comments:
Wednesday, April 8, 2009

Apple 1 ROM sets for sale 6301-1J (A1, A2, A3, A4)

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UPDATE:  July 30 2012 -- Sold out. I have a few "sets" of Apple 1 ROMs available for anyone who purchased the Obtronix Apple ...
Saturday, March 28, 2009

Hand wired Apple prototype

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Apple 1 with Datanetics Keyboard

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Image source: Applefritter?

Obtronix Instructions for Apple 1 Reproduction

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Apple 1 Assembly Hints and Tips (Note (X-Y) refers to location Row-Column silkscreened on board) The Apple 1 is pretty easy to construct. Al...

Main Board

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Main Board Back

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Main Board Front

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Cassette Interface

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Inside the Motorola 6820/1 PIA (Peripheral Interface Adaptor) Originally published on September 18th, 1999 in the Usenet newsgroup: Rec.Game...

Woz Monitor ASM

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SOURCE: http://www.sbprojects.com/projects/apple1/wozmon.asm ;------------------------------------------------------------------------- ; ;...

The Cassette Interface

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C100:A9 AA 20 EF FF A9 8D 20 C108:EF FF A0 FF C8 AD 11 D0 C110:10 FB AD 10 D0 99 00 02 C118:20 EF FF C9 9B F0 E1 C9 C120:8D D0 E9 A2 FF A9 0...

The Monitor

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FF00: D8 58 A0 7F 8C 12 D0 A9 FF08: A7 8D 11 D0 8D 13 D0 C9 FF10: DF F0 13 C9 9B F0 03 C8 FF18: 10 0F A9 DC 20 EF FF A9 FF20: 8D 20 EF FF A0...