Motorola MVME712A/D3 User Manual download pdf (Page 33)

MVME167BUG/D32-1

DIAGNOSTIC FIRMWARE

Scope

This chapter contains information about the operation and use of the

MVME167 Diagnostic Firmware Package, hereinafter referred to as Òthe

diagnosticsÓ. The Diagnostic Monitor on page 2-2 gives you guidance in setting

up the system and invoking the various utilities and tests. Utilities on page 2-4

describes utilities available to users.

The diagnostic tests themselves are described inChapter 3.

Overview of Diagnostic Firmware

The MVME167 diagnostic firmware package consists of two 128K x 16

EPROMs which are installed on the MVME167. These two EPROMs (which

also contain 167Bug) contain a complete diagnostic monitor along with a

battery of utilities and tests for exercise, test, and debug of hardware in the

MVME167 environment. The diagnostics are menu driven for ease of use. The

Help (HE) command displays a menu of all available diagnostic functions; i.e.,

the tests and utilities. Several tests have a subtest menu which may be called

using the HE command. In addition, some utilities have subfunctions, and as

such have subfunction menus.

System Startup

Refer to Detailed Installation and Start-Up in Chapter 1.

Design Requirements

The design requirements for the diagnostic firmware are as follows.

Assembly Language

Low-level hardware interface code is written in assembly language to control

the hardware exactly. Where possible, ÒCÓ is used to speed coding and

improve readability and portability.

Bug Interface

The diagnostic package shares ROM space with the 167Bug, but the interface

between these programs is minimal and is well defined. This facilitates

independent development and modification.

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Motorola MVME712A/D3 User Manual Page 33