Campbell 21X Manuel de l'opérateur télécharger pdf (Page 50)

Key

*8

A

ID:

4.2-1.

'8

Mode

Entries

Description

Enter

*8

Mode, key A to

advance

to

first

window.

Start

of Dump location,

initially the

TPTR location, a

different

location may be

keyed

in if desired.

End of

Dump

location,

initially the DSP

location,

a ditferent

location may

be keyed

in

if desired.

Ready

to Dump,

to

initiate

dump,

key

any number

then A.

While

dumping,

"08:" will be

displayed

in

the lD

field

and the

location

number in

the

Data

field. The location

number

will

stop

incrementing when the

SECTION

4.

EXTERNAL STORAGE

PERIPHERALS'

a

field

site,

dump the

residual data before

removing

the tape.

To dump the residual data

enter the

*8

Mode,

advance directly

to window

3

and

initiate a

dump. Because

data are

written

to tape

in fixed

blocks

of 512locations,

the

TPTR may be in the

middle

of an output

array.

Entering

a

location

for

the TPTR, even

the location originally

displayed, will

result in the

TPTR

being

moved to

the

first

output array

stafi

marker

following

the

location

entered.

Thus, the

portion

of the array

following

the originalTPTR

location

would

not be

written

to tape.

To use

the

*8

Mode to transfer all data

from

Final

Storage

to tape, enter

a start

of

dump

location number which

is 1

greater

than

the end

of

dump

location,

advance

to ready

to

dump

(03:)

and

key any

number and A. Data transfer

occurs

immediately

and

is completed when the

display

shows

"08:"

and the current DSP

location.

To dump

a

portion

of the data

in

Final Storage,

key in

the

start and

end locations before

initiating

the

dump.

The locations

can

be

determined

by

viewing the

contents

of

Final

Storage in

the

*7

Mode.

By saving

the current

location

of the DSP and

using

it

for the starting

location

on the

next visit to the site, only the

data

stored

between

visits are transferred

to

tape.

NOTE:

A

tape dump

can be

aborted

by

keying #.

However,

since

it

cannot

be

aborted

in the

middle of a 512

data

point

block, up to 5 seconds

may

elapse

before

the tape stops.

4.2.2 MANUAL

STORAGE

MODULE OR

PRINTER

DUMP.

*9

MODE

Using

the

*9

Mode, data

in Final

Storage

can be

transmitted

as

ASCII or binary data out

the

serial

port

by

manually initiating

a dump.

lf on-

line

printing

is

enabled

with

Instruction

96 or

the

*4

Mode,

entering

*9

will

stop

it.

On-line

printing

will be re-enabled

if no keyboard

entries

are

made

for 3.4

minutes. Return

to the

*0

Mode

when

the

dump

is

completed.

01:)iXXXX

A 02:XXXXX

A

03:00

dump

is complete.

lf the TPTR

is

at the same

location as the

DSP,

then

a block

of

512

"dummy" values

are

transferred.

lThis

provides

a

means

of

checking

the

21)Ucas$ette connections

and the cassette

operation.

{uring

data

playback,

the PC2O1

and C20 Cabsette

Interfaces

recognize dummy

values and

{o

not transmit

them.

When on-linb tape transfer

is not enabled

and

the

*8

Mode is used to

dump

new data,

the

start

of dump

poirftter (TPTR)

will remain where it was

when the

dulnp

was completed

or aborted until

the

next

timd

the'8

Mode is entered. lf the End

of

Dump

lochtion

(window

2) is changed while

in

the

*8

Modej,

the

TPTR will be set

to

its

previous

value when

the.8

Mode is exited. Changing the

program

an{

compiling

moves the TPTR to the

current

DSP location.

When on-linb, the 21X

dumps data to tape in

blocks

of

51P

Final Storage

locations. Residual

data

is data which has accumulated since

the

last full block.

When

picking

up

a

data tape

from

4-3

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