Tandy 1000 Basic Reference Manual

Chapter 10 I BASIC Ke.ywords
PMAP
Function
PMAP(coordinate,action)
Returns the physical or world coordinate for the specified coordi-
nate.
Coordinate is any x- or y-coordinate. If coordinate is a physical
coordinate,
it must be within the limits of the screen. If coordi-
nate
is a world coordinate, it may be any single precision floating
point number.
Action is one of the following:
0
returns the physical x-coordinate for the specified
world coordinate.
returns the physical y-coordinate for the specified
world coordinate.
returns the world x-coordinate for the specified physi-
cal coordinate.
returns the world y-coordinate for the specified physi-
cal coordinate.
1
2
3
Example
A = PMAP(200,B)
returns the physical x-coordinate of the world coordinate 200
and places it in
A.
266

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