Tandy 1000 User Manual

Basic
Moves up n points.
Moves down
n points.
Moves left n points.
Moves right n points.
Moves diagonally up and right
n points.
Moves diagonally down and right n points.
Moves diagonally down and left
n points.
Moves diagonally up and left
n points.
Moves to point
x,y. If you precede x with a plus (+)
or minus (- ) sign, DRAW assumes it is a relative
position. Otherwise, it is an absolute position.
Prefix Commands
Prefix commands can precede the movement commands. They must
be enclosed in quotation marks.
B
N
Aangle
plots no points after move.
returns to original position when move is complete.
sets angle of move.
Angle may be 0 to 3 (0 = 0
degrees,
1 = 90 degrees, 2 = 180 degrees, and 3
= 270 degrees.
Ccolor sets color.
PcolorJorder paints using color and border.
Sfactor
sets scale factor. Factor is an integer in the range
1 to 255. The scale factor is factor divided by 4.
Default=4 (scale of 1).
moves at the specified angle. Angle is in the range
-360 to +360. If
angle is positive, movement is
counterclockwise. If angle is negative, movement is
clockwise.
executes a substring. The
X command lets you
execute a second substring from the first string,
much like the
GOSUB statement. Variable is a
string variable in your program that contains the
substring you want to execute. The semicolon after
variable is required.
TAangle
Xvariable;
DRAW "U30;"+"~30;"+"~40;"+"~40;"
Tandy 1000
29

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