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Radio Shack CCR-81 Quick Reference Guide

Radio Shack CCR-81
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S-Bulf
6-Cyan
7-Magenta
8-0range
Statements
AUDIO Connects
or
disconnects cassette output
ta
TV
speaker.
AUDIO
ON
AUDIO
OFF
BACKUP
.source
TO
destination
Creates
an
exact
copy
of
an
original diskette. source specifies the drive
containing the original diskelte. destination specifies the
drive containing the diskette
ta
receive the copy. For
single-drive systems,
BASIC will prompt you
10
switch
diskettes.
BACKUP
0
rD
1
6ACKUP
1
rD
0
eACKUP0
CIRCLE
(x,y),r,c,hw,stad,end
Draws a circle with
center at point
(x,V)
radius
r,
specified color
c,
height/width
ratio
(hw) of 0-4. Circle can start and end at specified point
{O-'
).
CIRCLE(128,96l
,50,4
,1
,,5,,75
CLEAR
n,h
Reserves n bytes of string storage space.
Erases variables.
h specifies highest BASIC address.
CLEAR
CLEAR
500
CLEAR
100
"4000
1
CLOAD
Loads specified program file trom cassette.
If
filename is not specified, first file encountered is loaded.
Fl/ename must
be
eighl characterispaces
or
fewer
CLDAD
CLDAD
"PRDGRAM"
CLOADM
loads
machine-language program
cassette.
An
offsel address to add to the loading address
may be specified.
CLOAOM
"PROG"
CLDADM
CLDADM
"PROG",
1000
CLOSE#buffeT
Closes access
10
specified file.
If
bufter
is not specified, ail Open liles will be closed
CLOSE #1
CLOSE
#1,#2
CLOSE
i::~:5
CLS
c Clears display ta specitied color
c.
If
color
is
not
specified. green is used.
Q-Black
1-Green
2-Yellow
3-Blue
4-Red
CLS
CLS
3
5

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Radio Shack CCR-81 Specifications

General IconGeneral
BrandRadio Shack
ModelCCR-81
CategoryDesktop
LanguageEnglish

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