AMSTRAD cpc 6128 manuals

Amstrad cpc 6128 User Manual (105 pages)

Brand: Amstrad | Category: PC/workstation barebones | Size: 0.45 MB |

English

Table of contents

The Amstrad CPC

1

Firmware Guide

1

Introduction

3

Contents

5

Use of memory by the

7

Operating System

7

The System Variables

8

The Firmware Guide – Summary

33

The Kernel

35

Low Kernel Jumpblock

38

High Kernel Jumpblock

40

The Key Manager

43

The Text VDU

47

The Graphics VDU

53

The Screen Pack

57

The Cassette/AMSDOS manager

63

AMSDOS and BIOS Firmware

66

The Sound Manager

69

The Machine Pack

71

664 and 6128 only

73

The Firmware Indirections

75

The Maths Firmware

77

The Z80 Instruction Set

83

The CRTC Registers

105

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