Radio Shack CCR-81 Quick Reference Guide

Index
A ~
ABS _ 15
ABX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ......•......... 39
AC Power Supply . . .. 59
AOC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 39
ADD. . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . .•. . 39
AND .........................•...........•..... 39
AND CC ,............................ 39
lAD , , 31
ASC............................ 15
ASCII Character Codes. . . . . . . • . . . . . . . . . . . . 25
ASL _ , .. , _ 39
ASR ........................•.........•............. 39
Assembler Swltches . . . . . • . . . . . . . . . . . . . . • . . . . . . . . . . . .. 31
AUDIO 5
BACKUP . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 5
BCC _ 39
BCS . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . .. 39
BEa. . . . . . . . . . . . . .. .....••......... .. .. 40
BGE .....................•.......................... 40
BGT . . . . . . . . . . . . . . . . . . . . . . . . . .. 40
SHI 40
BHS . . . . . . . . . . . .• . . . . . . . .• . . . . . . . . . . . . . . . . . . . . . . . . .. 40
BlT 40
BLE ...........••........•........••................ 40
BLKIN .........••...•.. , ........••................ 19
BlKOUT. .. .. 19
BlO 40
BLS _............... 41
BlT 41
BMI...................... ......•............ 41
BNE _ ,.......................... 4t
BPl ........................................•...... 41
BRN 4t
BSR ............................•................... 41
BVC ............................•................... 41
BVS 41
C ~.~
Cassefle Inter/ace _ •. . 60
cassette Jack Pin Locatioll. . . . . . . . . . . . . . . . .. .. 60
CHRS __ .15
CHROUT. . . . . . . . . . . . . . . . . . . . . . . . .. 19
CIRCLE 5
ClEAR .............••........•..........•.......... 5
ClOAD . . . . . . . . . . . . . •. . . . . . . . . •• . . . . . . .. •.......... 5
CLOADM.. . . . . . . . . . . .. . . . .. . . . . . . . . . . . .. . . . . . . . . . . .. 5
CLOSE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
ClA , 42
CLS................... 5
CMP ......................•............. 42
COlOR................. .....•..... 6
Color Adjustment Test , .. , .. .. 55
Color Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Celer-Set Table.... .. .••.. . ...•........... 27
COM _ .. 42
CONT .......................••........ ,............ 6
Control Keys .•...•.••.••.•..•.•....••.••.••...••...•. 21
COPY .......................•......... 6
COS .............••.••.•.............•.••.••.•...... 15
utllity
A program or routine which serves a limiled. specifie purpose.
wrlle·protect
Ta physically proteel a disk Irom being written la by plaeing a
lape over the wrUe·protect noleh
track
One0135concentnc drdes on Ihe dtsk, each of which contains
18 sectors. or 256 bytes 01 storage. Thetracks are not phYSlcal
enllties likegfOoves
ona record: they are magneticIraces.
s.ring
Any sequence 01 charaeters whlch musl be examinedverbatim
lor
meaning, in other words, the string does nol COHespond to a
quantily. For example.
Ihenumber 1234 represenls lne same
quanbty as 1000+ 234, but Ihestnng "1234"' does nol. (String
addilion
15 actuallyconcatenation. or stringlng'logether, 50 Ihat:
"1234" equals "1" - "2" - "3" + "4".)
_«tOI'
One-tentn 01 a track on a drsketle. corllaîniflg 256 bytes of
slorage;a "physlcal fecofd"
random acces. memol'l/ orRAM
Semieonduclor memorywhieh can be addressed direetly and
eUher read tram orwritlen 10.
Acomplete instruction in BASIC.
•• atement
phll_lcall'ecol'd
The sma!lest amounl of data whlCh can be written ta a disk lite or
readlromlt
l'alldonl access
Reading Irom a diskIileor writinglo It whereby thereÎS no rule lor
predetermining
the position Irom where the neKI item is 10 be
obtained.
Going "dlrectly"to dala.
re.d·onill memol'l/ orRON
P'e-programmed semlconduclor memory which isdirectly
addressable but can only be read. not writteo 10.
.equendalacc_s
Reading lrom a disk Ille or wrlting ta il "Irom slart 10 linlsn".
wllhoul belng able 10 dlreclly access a partlcularrecord in the lite.
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Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English