Radio Shack CCR-81 Quick Reference Guide

MemoryMap
MlSSING INFORMATION (A..e_Wer) Thereisnot:{
delÎmiler in an Fee pseudoop; a label on a SET Of EaUpseudo
00·
Ml5SlNG OPERAND ("-e ... bl~) Oneor more
opefands are missloglrom a commando
MULTtPL V DERNED SYMBOL ("-embler)
has beendefined ffiO(e !han once.
NO BOOM BDWEEN UNES (EditOl') Not enough
room between lines 10 use the specitiedincrement.
NO SUCH UNES (Editor) The specified hne(s) donot
eK1S1.
REGISTER ERRaR (ANe_bler) Registershavenot
been specifiedwitha PSHIPUL instruction;A register has been
specified ffiOfe than once ina PSHfPUL instruction: A regisler
mis·match with an
EXOfTFR instruction.
SUReH FAlLS (Edltor) The string speei/iad in the F
(Find) command could not belound in the edit buffer.
SYMBOL TABLEOVERfLOW (N.embler) Symbol
tablewill exlend ioto the protecled area of memory: There is no: '
enough room betwaen BEGTMP and USROAG forthe edit
bufferand symbol table: At least
300 hexadecimal bytes musl
allowed for BEGTMP.
UNDEFINED SYMBOL (A .. embler) Symbol was no!
listed ln the label field or defined wlth an EOU statement.
•
DECIMAL
ADDRESS
0-1023
255
1023
1024-1535
1536·3071
3072-4607
4608-6143
6144-7679
7680·9215
9216-10751
10752-
1 2287
12288-1 3823
13824-16383
32768-40959
40960-49151
49152-65279
65280·65535
CONTENTS
System Use
Olrect Page RAM
Exteoded Page RAM
Text Screen Memory
Graphie Screen Memory
Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Program and Variable
Storage
Extended Color BASIC
(;{jlor BASIC
Program Pak • Memory
InpulOutput
• •
HEX
ADDRESS
0-3FF
OFF
JFF
4QO-5FF
6OQ-BFF
COO-1IFF
1200-17FF
1800-1DFF
1EOO-23FF
2400-29FF
2AOO-2FFF
3000-35FF
3600-3FFF
8000-9FFF
AOOO-BFFF
COOO-FEFF
FFOQ-FFFF
•
..
"

Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English