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Table of Contents
Getting Started with Simple80
Introduction
This is a guide for setting up Simple80 after assembly is completed and the board is fully populated. The assembly instruction for Simple80 is here.
Program the EPROM
Simple80's EPROM socket can accept both 28-pin EPROM device such as 27C512 or 32-pin EPROM device such as AT49F040. Two EPROM programming files are supplied in the Software section: Simple80_Monitor and SCMonitor_for_Simple80. Only one of the file should be selected depending on user application. To run CP/M2.2, Simple80_Monitor needs to be programmed in the EPROM. The remaining document assumes Simple80_Monitor is programmed in the EPROM.
Power up Simple80
Simple80 requires 5V power at a minimum of 250mA. The power comes in through a 2.1mm X 5.5mm power plug with center lead as 5V and barrel as ground. A CP2102 6-pin USB-to-serial adapter can be plugged directly in P2. A serial emulator such as TeraTerm is needed to interface to Simple80. The serial port setting are 115200 N-8-1.
Insert a CF disk in the CF adapter prior to powering up.
Apply 5V power, the power consumption should be around 60-80mA and the terminal should display this log on message:
>Simple80 Monitor v0.6 7/2/19
Type 'h' to display help menu.
Type 't' follow by carriage return to do memory test. It should print 'OK' every second or so. type carriage return to stop memory test
Prepare CF disk for CP/M2.2
Format the CF disk by type 'x' follow by drive letters 'A', 'B', 'C', 'D' in upper case. Please note this will erase whatever files that was in the CF disk.
Send cpm22all.hex
