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Atari 400 / 800 / XL / XE

Filtered byDeveloper: Optimized Systems Software, Inc.✕

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BASIC XE
Optimized Systems Software, Inc.
1985
Programming - Language
DK
BASIC XL
Optimized Systems Software, Inc.
1983
Programming - Language
K
BASIC XL
Optimized Systems Software, Inc.
1983
Programming - Language
K
BASIC XL Toolkit (The)
Optimized Systems Software, Inc.
1984
Programming - Aids / Routines / Tools
D
CP/A
Optimized Systems Software, Inc.
1981
DOS / OS
D
DOS XL 2.20
Optimized Systems Software, Inc.
1983
DOS / OS
D
X
DOS XL 2.20
Indus Systems, Inc.
1983
DOS / OS
D
OS/A+
Optimized Systems Software, Inc.
1981
DOS / OS
D
OSS Demonstration Disk
Optimized Systems Software, Inc.
?
Various
D
tiny-c
Optimized Systems Software, Inc.
1982
Programming - Language
D

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