TRS-80 DOS – TRSDOS (Main Page)

Page Description

TRS-80.com has a ton of information, but it is not cross-referenced. Information about the various TRSDOS versions are spread over dozens of pages.

What this page attempts to do is to provide links to those pages.

Page Menu

Model I TRSDOS

Manuals

• TRSDOS v2.0 Preliminary Manual (1978)(Tandy)
• TRSDOS v2.0 and Disk Basic v1.1 Manual (1978)(Tandy)
• TRSDOS v2.1 Fact Sheet (1978)(Tandy)
• TRSDOS and Disk Basic Reference v2.1 (1979)(Tandy)[26-2104]
• TRSDOS v2.2 Fact Sheet (1979)(Radio Shack)
• TRSDOS Update Notes to v2.2 (1979)(Tandy)
• TRSDOS v2.2 and Disk Basic v2.2 Fact Sheet (1979)(Radio Shack)
• TRSDOS Update Notes to v2.3 (1979)(Tandy)
• TRSDOS and Disk Basic Reference v2.3 (1979)(Tandy)
• TRSDOS v2.3 Addendum (19xx)(Tandy)
• TRSDOS v2.3 Release Note (1979)(Radio Shack)

Patches

• TRSDOS v2.2 Patches
• TRSDOS v2.3 Patches

Disassembly (with Explanations)

• TRSDOS v2.3 Disassembled

Tips and Tricks

• Passwords
• Easter Egg
• Lore

Model III TRSDOS

Manuals

• Model 3-4 Operation and BASIC Reference Manual 2nd Ed (1980)(Tandy)
• Model III Disk System Owner’s Manual (Preliminary Version)(1980)(Tandy)
• Model III Disk System Owners Manual (1980)(Tandy)[26-2111]
• Model III Operation and BASIC Language Reference Manual (1980)(Tandy)[26-2112]

Tips and Tricks

• Passwords
• Turn On/Off the Date and Time Prompts
• Guided Tour Through The Model III TRSDOS Directory
• Removing TRSDOS v1.3 Passwords
• Passwords (ALL DOS’S)
• Easter Egg

Zaps

• TRSDOS v1.2 Zaps
• TRSDOS v1.3 *Official* Zaps
• TRSDOS v1.3 *Unofficial* Zaps

Patches

• TRSDOS v1.2 Patches
• TRSDOS 1.3 Patches

Internals

• TRSDOS v1.3 Directory, FCB, and Overlays Explained

Disassembly (with Explanations)

• TRSDOS v1.3 Disassembled

Model 4 TRSDOS

Manuals

• TRSDOS 6.1.2 to 6.2.1 Upgrade (1985)(Tandy)
• TRSDOS 6.2 Upgrading Instructions (19xx)(Tandy)
• TRSDOS Mandatory Upgrade to TRSDOS 6.2.1 (1985)(Tandy)
• TRSDOS v6.2.0 Update to v6.2.1 (1985)(Radio Shack)
• TRSDOS v6.2.1 Mandatory Upgrade (1985)(Tandy)
• Model 4 and 4P Disk System Owners Manual (1983)(Tandy)
• Model 4D Disk System Owners Manual (1983)(Tandy)

Tips and Tricks

• Reading Model 4 TRSDOS or Model III LDOS disk on NEWDOS/80
• Formatting A Double-Sided Diskette Under TRSDOS 6.x
• Defeating TRSDOS v6.x Backup Protection
• TRSDOS 6.2 Routine Addresses
• Running SYSTEM Commands from Model 4 BASIC
• Renaming DOS Commands
• Passwords (ALL DOS’S)

Zaps

• TRSDOS Model 4 Patches

Patches

• TRSDOS Model 4 Patches