Radio Shack CCR-81 Operation Guide

MKS$(x)
OPEN " d " b "fil " mo e , , ename ,n
Prepares single precision number x for
disk write (random access).
LSET C$ = MKS$(C!)
Opens a file,
assigns mode (I = input,
0 = output, E = output to end of file,
R = random),
assigns buffer b, specifies
filename
and logical record length n.
OPEN '' R'',1, '' LIST:1 ''
PRINT#b,var name,list . . . . . . . . . . . . . . . Writes data to file buffer b (sequential
file).
PUTb,n
RSET string var
PRINT#3,F$
PRINT#l,A$,B$,X,Y,Z
Moves data from file buffer b into the
specified record n (random access). If n is
omitted, the current record number is
used.
PUTl,25
Puts string into random access field with
extra spaces at the left.
RSET NAME$ = "JOHN"
RVN"filename" . . . . . . . . . . . . . . . . . . . . Loads and executes program named.
SA
VE' 'filename'' ,A
RUN " BLITZ"
Records program from computer memory
to disk. Appending ',A' specifies ASCII
format. (Refer to your Disk System
Owner's Manual for information on
filenames.)
SAVE"BLITZ"
VSRn(var name) . . . . . . . . . . . . . . . . . . . Calls any one of 10 machine language
subroutines (n = 0 to 9).
X = USR2(DE)
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Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English