Tandy 1000 Programmer's Reference Guide

Appendix A I Extended Screen and Ke.yboard Control
Set Mode (SM)
ESC [ = *h
or ESC
[ = h
or ESC
= Oh
or ESC [?7h
Sets the screen width or type specified by the parameter.
Parameter Meaning
8
9
10
40
x 25 black and white
40
x 25 color
80
x 25 black and white
80 x 25 color
320
x 200 color
320
x 200 black and white
640
x 200 black and white
Wrap around at end
of line
(new line starts when old line filled)
160
x 200 16 color
320
x 200 16 color
640
x 200 4 color
Reset Mode (RM)
ESC [ = *1
or ESC
[ = 1
or ESC [ =01
or ESC [?71
Parameters are the same
as for Set Mode (SM) except that pa-
rameter
7 resets the wrap-around mode (characters past end-of-
line are thrown away).
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Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200