Megatel Quark/100 Specifications download pdf (Page 78)

CLear

to

End

of

Line

1B

15

1B

54

(incLudes character

at cursor position)

CLear

to

End

of

Page

1B

16

18

59

(incLudes characters at or

right of cursor position)

Cursor Addressing

1B

3D

18

3D

(see note 1 for order

of co-ord i nates)

Cursor

On

1B

11

1B

11

Cursor

Off

1B

12

18

12

Insert

Line

1B

13

18

45

DeLete

Line

1B

14

18

52

Use

STATUS

screen

1B

17

18

17

Use

MAIN

screen

1B

18

18

18

Use

DISPLAY

screen

1B

10

18

1D

No-Check

Mode

Off

1B

09

18

09

(interprets

controL

codes)

No-Check

Mode

On

1B

10

18

10

(dispLays

controL

codes)

Load

Character Pattern

1B

01

18

01

(for

aLpha

mode,

and

for

graphics

mode,)

foLLowed

by:

-ASCII

character

code

(Q-FF)

-eight pattern bytes

First

pattern byte is top

Line

of character pattern.

Print Screen

-

1C

hex

-

This

is

not

a terminal driver function

but

a special

trap

in the

console input routine.

----------

Notes:

1.

If

the

MegateL

control

codes

are being used, the cursor addressing character

sequence

is

18

3D

xx

yy

where

xx

and

yy

are the one-byte

vaLues

for the x-(horizontal)

and

y-(verticaL) co-

ordinates.

If

the

TeLevideo

920

control

codes

are in use, the the cursor addressing

sequence is

1B

3D

yy

xx

In the

CP/M

2.2

terminaL

drivers, there are

27

Lines

(0-26)

and

80

columns

(0-79)

on

the

60Hz

video driver,

and

35

(0-34) lines

and

80

coLumns

in the

50Hz

video driver. In

CP/M

3.0 terminal drivers, the

vertical

size of the screens are defined during

system

installation.

The

top left-hand corner of the in-use screen area

(DISPLAY,

MAIN,

or

STATUS)

is

address 0,0

(ie,

there

is

no

offset in the addresses).

Cursor

addresses

outside the area of the screen

wiLL

Leave

the cursor at the

boundary

of the screen.

MegateL

Computer

Technologies Toronto,

Canada

Appendix

Page

A-17

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