Atari 850 Interface Module Service Manual pages 39-40

Atari 800 Owner's Guide pages 13-14
Action Manual pages 179-180
Action Manual pages 237-238
Action Manual pages 257-258
Atari Technical Reference Notes pages 219-220
Mapping the Atari pages 159-160
Basic XL Manual pages 49-50
Antic Magazine from 1982
Basic XL Manual pages 11-12
Assembler Editor User's Manual pages 89-90
De Re Atari pages 81-82
De Re Atari pages 25-26
Action Manual pages 107-108