Name: Tandy 1000 MS-DOS
Brand: Tandy
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Appendix C I Installable Device Drivers

Whenever you boot

the

system, KEYCNVRT.SYS converts

the

following keyboard codes:

Key

Slash

(I)

Vert. Line (I)

Tilde n

Single Left quote

(')

minus (- ) (DELETE NUMLOCK)

plus (

+) (INSERT NUMLOCK)

Tandy

Scan

ASCII

Code

475C

4B7C

487E

5060

532D

552B

Converted

2B5C

2B7C

297E

2960

4A2D

4E2B

) i

. ,

'----'

LPDRVR.SYS

(For

Extended

Printer

Capabilities)

The loadable printer driver extends

the

useable capabilities of a

Tandy printer. The functions of LPDRVR are:

•

Set

the

number of lines per page

•

Set

vertical

tabs

•

Set

the

form feed function

•

Set

horizontal

tabs

• Tab horizontally

•

Set

the

skip perforation function

• Cancel

the

skip perforation function

• Ignore

the

next n codes

• Reset

the

printer driver

• Convert a single

code

into a series of printer codes

• Repeat

n characters

• Suppress

the

line feed function

Include

this

DEVICE command

your CONFIG.8YS file to

install

the

printer driver:

DEVICE =LPDRVR.SYS

Next, look

the

function's control code sequence

the

Printer

Control Codes table

this

section. Then find

the

equivalent

ASCII code(s)

the

ASCII Character Code table

Appendix A.

For example,

the

control code needed to

set

lines per page is

ESCAPE

C;n. The ASCII equivalent of ESCAPE is 27. The

ASCII equivalent of C is 67.

n is

the

number of lines.

Finally, send

the

control code sequence,

ASCII form, to

the

printer driver.

You

can

this

any of

three

ways.

334

i '

'--

! '

Brand	Tandy
Model	1000 MS-DOS
Category	Desktop
Language	English

Tandy 1000 MS-DOS User Manual

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Tandy 1000 MS-DOS Specifications

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