Tandy 1000 Programmer's Reference Guide

Appendix A I Extended Screen and Keyboard Control
Cursor Backward (CUB)
ESC [“D
Moves the cursor back one or more columns without changing
lines. The value
of * determines the number of columns moved.
The default value
for * is 1. This sequence is ignored if the cur-
sor is already in the leftmost column.
Device Status Report (DSR)
ESC [6n
The console driver outputs a Cursor Position Report (CPR) se-
quence on receipt
of DSR (see below).
Cursor Position Report (CPR)
ESC [* ; *R
Reports current cursor position through the standard input de-
vice. The first parameter specifies the current line and the sec-
ond parameter specifies the current column.
Save Cursor Position (SCP)
ESC [s
Saves the current cursor position. You can restore this position
with the Restore Cursor Position (RCP) sequence (see below).
Restore Cursor Position (RCP)
ESC [u
Restores the cursor position to the value it had when the console
driver received the SCP sequence.
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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