Atari 400 Basic Reference Manual page 91

ADDRESS CONTENTS
Decimal Hexadecimal
4863
12FF
FILE MANAGEMENT SYSTEM RAM (current DOS)
1792
700
1791
6FF
FREE RAM
1536
600
1535
5FF
FLOATING POINT (used by BASIC)
1406 57E
1405
57D
BASIC CARTRIDGE
1152
480
1151 47F ] OPERATING SYSTEM RAM (47F-200)
3FD
CASSETTE BUFFER
1021
1020
3FC
RESERVED
1000 3E8
999
3E7
PRINTER BUFFER
960
3CO
959
3BF
J
IOCB's
832
340
831
33F
J
MISCELLANEOUS OS VARIABLES
512 200
511
1FF
HARDWARE STACK
256 100
255 FF PAGE ZERO
FLOATING POINT (used by BASIC)
212 D4
211 D3
BASIC or CARTRIDGE PROGRAM
210 D2
209
D1
FREE BASIC RAM
208
DO
207 CF
FREE BASIC AND ASSEMBLER RAM
203
CB
202
CA
FREE ASSEMBLER RAM }
176 BO
BASIC
128 80 ASSEMBLER ZERO PAGE
ZERO PAGE
127 7F
OPERATING SYSTEM RAM
0
0
As the addresses for the top of RAM, OS, and BASIC and the ends of OS and BASIC vary according to the
amount of memory, these addresses are indicated by pointers. The pointer addresses for each are defined
in Appendix I.
D-2 Appendix