Tandy 1000 Basic Reference Manual

Chapter 10 I BASIC Keywords
See Chapter 8 for more information on aspect ratio and specify-
ing coordinates.
Examples
10 SCREEN 1
20 CIRCLE (150,100),50
draws a circle with the center at point 150,100 and a radius of
50.
Sample Program
10 SCREEN 1
20 FOR 1=0 TO 3
30 CLS
40 CIRCLE (150,100),50,1
50 PAINT (150,1001,I
60 FOR Q=l TO 300:NEXT Q
70 NEXT I
80 SCREEN 0
116

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