User Tools

Site Tools


builderpages:plasmo:apple2:a2cpld:a2cpldhome

/* Imported from Wayback Machine

 Original URL : https://www.retrobrewcomputers.org/doku.php?id=builderpages%3Aplasmo%3Aapple2%3Aa2cpld%3Aa2cpldhome
 Snapshot date: 2026-02-17
 Generator    : wayback-archiver

*/

Table of Contents

A2CPLD, An Apple II CPLD Board for Hosting Coprocessor

Introduction

A2CPLD is a prototyping platform to develop coprocessor for Apple II. The 40-pin DIP is wired for Z80. However, nested in the 40-pin DIP is a 48-pin DIP that is not wired, but can accommodate other 40/48-pin retro processor and reroute Z80's address/data/control signals to the uncommitted DIP socket.

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_apple2_a2cpld_dsc_68850315.jpg

Design Information

Schematic

CPLD design file

W65C816 Project

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_apple2_a2cpld_dsc_68520221.jpg

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_apple2_a2cpld_dsc_68530221.jpg

builderpages/plasmo/apple2/a2cpld/a2cpldhome.txt · Last modified: by 127.0.0.1