builderpages:plasmo:x688
Table of Contents
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Table of Contents
X688, Experimental prototype for P90CE201
Introduction
P90CE201 is derived from 68000 but with 8-bit data bus, 24-bit address bus and integrated I/O. Please see this page for X688 with engineering change that allows it to run CP/M68K
Features
P90CE201 running at 22MHz
512KB EPROM
512KB RAM
Design Information
Gerber photoplots
Software
S Record loader is a very simple monitor that load Motorola S records into RAM and start program execution from 0x1001000.
Memory diagnostic checking RAM memory from top of the program to 0x107F000
EhBasic is Lee Davison's enhanced Basic for 68K.
Manuals
Getting Started with X688
P90CE201 Data Sheet
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