Vector Graphic Extended Systems Monitor Manual de usuario descargar pdf (Pagina 9)

Extended S:lsterns Monitor

User

I s Manual

mMMAND

FORMAT

*A

<AIJll>

<AOO2>

- ASCII

OOMP

Memory

contents

from

ADRl

through

ADR2

will

be

displayed

as

ASCII

characters,

or

graphic

symbols

for

values

less

than

20

hex.

If

the

most

significant

bit

is

high,

reverse

video

is

displayed.

This

command

is

useful

for

examining

files

such

as

those

created

by

the

linedi

tor,

BASIC

or

the

WORD

MANAGEMENT

SYSTEM.

ASCII

strings

embedded

in

object

code

are

easy

to

recognize.

*B

-

JUMP

10

BOO'1'S'1'RAP

LOADER

Typing

this

command

will

cause

a

jt.nnp

to

location

F800H

which

is

the

disk

bootstrap

loader.

This

will

cause

the

disk

operating

system

disk

to

be

loaded

into

memory

and

transfer

control

to

MOOS.

*c

<AIJll>

<ADR2>

<Am3> -

roMPARE

BLOCKS

A

byte-by-byte

comparison

will

be

made

between

the

block

of

memory

data

starting

at

ADRI

and ending

at

ADR2

and a

block

of

identical

length

starting

at

ADR3.

The

differences

will

be

printed

out

with

the

address,

the

byte

in

the

first

block

and

the

byte

in

the

second blOCk.

This

command

is

useful

to

compare

two

versions

of

a

program

or

to

verify

that

proms

have

been

programmed

correctly.

*D

<AIJll> <Am2> -

IXJMP

IN

HEX

Memory

contents

from

ADRl

through

ADR2

will

be

displayed

as

pairs

of

hexadecimal

characters.

The

left

character

in

each

pair

represents

the

four

most

significant

bits

of

the

memory

location.

The

display

may

be

halted

and

interrupted

as

described

above.

The

ASCII

representation

is

displayed

in

a

column on

the

right.

*E -

EXTERNAL

<XlMMUNICATIOOS

The

monitor

will

output

anything

typed on

the

keyboard

through

port

4 on

the

Bitstreamer

II

I/O board

or

an

appropriately

addressed

Bitstreamer

I

board.

Anything

received

on

this

port

will

be

displayed

on

the

screen.

Normally a

300 baud

modem

would

be

connected

0

the

serial

RS

232

output

from

the

I/O

board,

and

this

feature

allows

the

system

to

be used

as

a

simple

terminal

to

communicate

with

a

host

in

a

full

duplex mode.

Operation

at

speeds

above

300 baud

requires

the

host

to

send

null

characters

after

linefeeds,

so

that

characters

are

not

lost

when

the

screen

scrolls

up.

Rev.

4./iJ-A

10/15/79

3

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