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XPU
Instruction manual
Cromemco XPU Instruction Manual
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Table of Contents
Table of Contents
Chapter 1: THE XPU EXTENDED DUAL PROCESSOR UNIT
Introduction
Setup and Installation
Switch Settings
Jumper Selectable Options
Installation
Memory Support
Input and Output
Microprocessor Selection
Chapter 2: BUS SIGNALS and I/O PORT CHARACTERISTICS
S-100 Bus Signals
S-100 Bus/Xpu Signal Definitions
Address Bus Signals
Control Input Signals
Control Output Signals
Data Bus Signals
DMA Control Signals
Status Signals
Utility Signals
XPU/XMM Signal Definitions
Signals for Z80 Mapping
Signals for MC68000/68010 Mapping
I/O Port Characteristics
Interrupt Vector Translation
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