Tandy Radio Shack TRS-80 Model 4 - Operating Systems - [DMK] Tandy Radio Shack TRS-80 Model 4 - Operating Systems - [DMK] (TOSEC-v2025-01-15) TOSEC 2025-01-15 Aral - Ira - mictlantecuhtle contact@tosecdev.org TOSEC http://www.tosecdev.org/

6.2 Plus (1985)(Micro-Systems Software Inc) DosPlus IV v1.00 (1983)(Micro-Systems Software Inc)[Bare] Hard Disk Driver & Utilities for LDOS v6.3.1 (1991)(Misosys Inc) Hard Disk Operating System v6.02 (1984)(Logical Systems Inc)(Disk A) Hard Disk Operating System v6.02 (1984)(Logical Systems Inc)(Disk B) LDOS v6.3.0-H (1986)(Logical Systems Inc) LDOS v6.3.0-H (1986)(Logical Systems Inc.)[Hard Drive] LDOS v6.3.0-J (1986)(Logical Systems Inc) LDOS v6.3.0-K (1986)(Logical Systems Inc) LDOS v6.3.1-1B (1990)(Misosys Inc) LDOS v6.3.1-1B (1990)(Logical Systems Inc)[Hard Drive] LDOS v6.3.1-1H (1990)(Logical Systems Inc)[Hard Drive][ld631a] LDOS v6.3.1-1H (1990)(Logical Systems Inc)[Hard Drive][ls6-15] LDOS v6.3.1-1H (1990)(Logical Systems Inc)[Hard Drive][m4pl631] LDOS v6.3.1-1H (1990)(Logical Systems Inc)[Hard Drive][vrhard] LDOS v6.3.1-1H (1990)(Logical Systems Inc)[Hard Drive][vrhard4p] LDOS v6.3.1-1H (1990)(Logical Systems Inc)[Hard Drive][vrhdboot] MultiDOS v2.1.0 (19xx)(Cosmopolitan Electronic Corp)[Double Sided] RapidDOS v1.3 (1984)(Rapidynamic Software Inc) TRSDOS 6.2 Utilities (1984)(Logical Systems Inc)[Master] TRSDOS v6.00.00 (1983)(Logical Systems Inc - Tandy) TRSDOS v6.01.00 (1983)(Logical Systems Inc - Tandy)[Master] TRSDOS v6.01.02 (1983)(Logical Systems Inc - Tandy)(Disk F) TRSDOS v6.01.02 (1983)(Logical Systems Inc - Tandy)(Disk B)[Master] TRSDOS v6.01.02 (1983)(Logical Systems Inc - Tandy)(Disk M)[Master] TRSDOS v6.02-AN (1984)(Logical Systems Inc - Tandy)[Hard Drive] TRSDOS v6.02.00-AN (1983)(Logical Systems Inc - Tandy)(Disk 1 of 6)[Master] TRSDOS v6.02.00-AN (1983)(Logical Systems Inc - Tandy)(Disk 2 of 6)[Master] TRSDOS v6.02.00-AN (1983)(Logical Systems Inc - Tandy)(Disk 3 of 6)[Master] TRSDOS v6.02.00-AN (1983)(Logical Systems Inc - Tandy)(Disk 4 of 6)[Master] TRSDOS v6.02.00-AN (1983)(Logical Systems Inc - Tandy)(Disk 10) TRSDOS v6.02.00-AN (1984)(Logical Systems Inc - Tandy)[HD][DSK] TRSDOS v6.02.00-AN (1984)(Logical Systems Inc - Tandy)[HD] TRSDOS v6.02.01 Upgrade (19xx)(Tandy)[Master] TRSDOS v6.02.01 Upgrade (19xx)(Tandy)[Master][upg6026] TRSDOS v6.02.01-AR (1984)(Logical Systems Inc - Tandy)(Disk C) TRSDOS v6.02.01-AR (1984)(Logical Systems Inc - Tandy)[Master][R4]