Vector Graphic Extended Systems Monitor Manual de usuario descargar pdf (Pagina 13)

Vector

FAID

Reference

Manual

.2

'lbe

range

of·

RAID

UPon

entering

RAID,

the

user

is

asked

where

RAID

will

be

located

in

this

session.

RAID

can

be

located

anywhere

in

m=rrory

having

space

for

a

6K

program.

RAID

does

not

reserve

for

itself

the

use

of

aIr:!

registers

or

flags,

nor

the

system

scratch

pad

area.

'lberefore,

the

cperation

of

l105t .

target

programs

is

not

generally

limited

by

the

presence

of

RAID

in

the

system.

-

Al

though

RAID

is

loaded

tmder

the

-

CP

1M

q;lerating

system,

and

though

it

has

facilities

for

loading

a

target

program

from

a

CP/M

compatible

disk,

RAID

cperates

independently

of

aI¥

cperating

system

durin:J

the

s

imula

tion

process.

Once

the

user

has

succeeded

in

loading

both

RAID

and a

target

PLogLaxu

into

system

nenory,

RAID

can 1:e

used

to

del::.ug

prcgx:ams

running

in

conjunction

with

~

cperatirx.;

system.

'!he

limitations

of

RAID

are

as

follows:

It

cannot

be

used

to

sinulate

real-ti.ne

software

such

as

disk

drivers

and

connnunications

programs.

However,

RAID

can

simulate

those

parts

of

such

ptQ3tams

which

are

not

tine-dependent,

and

can

execute

directly

(no

sinuIation)

those

parts

which

~

tine

dependent.

-

Interrupts

cannot

be

simulated

Cecause

an

interrupt

will

interrupt

RAID

as

~ll

as

the

target

prcgrarn.

~r,

the

interrupt

service

rcutine

can

usually

1:e

simulated

if

it

is

entered

wi

thoot

using

a

real

interrupt.

RAID

carmot

usually

jump

fran

simulation

rrode,

to

direct

execution,

then

back

to

sinru.lation,

if

during

the

direct

exeOltion

r;x:>rtion

the

stack

p::>inter

is

moved

more

than

a few

locations.

This

combination

of

events

will

cause

tmdesirable

effects.

RAID

cannot

sinru.late

RAID

itself

•.

The

Extended

Systems

Monitor

fi:r:rrMare

included

in

all

Vector

systems

must

not

be

removed

or

replaced,

unless

the

replacement

has

exactly

the

same

keyboard

and

video

I/O

routines-.

RAID

does

its

console

I/O

through

the

Monitor

•.

Rev.

l.l-A

5/30/80

1-3

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