G8PPBase + 68K8

Introduction

This is a two-board configuration consists of a G8PP in baseline configuration and a simple MC68008 board on RC2014 backplane.

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68008 CPU Card

cpu68008_comp.jpg

Schematic of PCB 68008 CPU card

Gerber photoplots of 68008 CPU card

Prototype 68008 CPU Card

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This is a prototype of the 68008 CPU card. It is superseded by the PC board version.

Schematic of prototype 68008 CPU card

RC2014 Signal Definition

The following RC2014 signals are redefined for G8PPBase+68K8:

  • RC2014 Pin 19 (nM1) — A16 (68008 pin 16)
  • RC2014 Pin 23 (nMREQ) — nAS (68008 pin 28)
  • RC2014 Pin 24 (nWR) — RnW (68008 pin 30)
  • RC2014 Pin 25 (nRD) — A17 (68008 pin 17)
  • RC2014 Pin 26 (nIORQ) — A18 (68008 pin 18)
  • RC2014 Pin 37 (Spare 1) — nBR (68008 pin 33)
  • RC2014 Pin 38 (Spare 2) — nDTACK (68008 pin 31)
  • RC2014 Pin 39 (Spare 3) — A19 (68008 pin 19)

G8PP Baseline Configuration

Introduction to G8PP

G8PP baseline configuration

Altera EPM7128SQC100 design for 68K8

G8PPBase+68K8

Serial Bootstrap, a bare minimum S record loader. It automatically jumps to 0x400 after a successful load. The serial communication is 38400, N81, no parity

68K8 Monitor ←still buggy, but good enough for file loading and memory display/mod

CP/M-68K, BIOS/CCP/BDOS for G8PPBase+68K8

CP/M68K distribution files

Manuals and Instructions

Getting started with G8PPBase+68K8 ←configure altera epm7128, load bootstrap, load z80 monitor, load cp/m

68K8 Monitor manual

builderpages/plasmo/g8pp/g8ppbase68k8.txt · Last modified: 2019/01/17 22:21 by plasmo
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