Welcome to Matthew Reed’s TRS-80 Emulator Web Site

TRS32: A Model I/III/4/4P Emulator For Windows

written by Matthew Reed

Unregistered Shareware Version:

  • Works under all current versions of Windows
  • Full Windows application — no low-level hardware conflicts!
  • Model I, Model III, Model 4, and Model 4P emulation
  • Four floppy disk drives (with optional realistic disk drive sound)
  • Cassette tape drive with graphical on-screen controls
  • Exatron Stringy Floppy emulation
  • Printer support
  • Serial port for RS-232 communications
  • Joystick support (using a Windows joystick — TRISSTICK and Alpha Products joysticks are emulated)

Registered Version:

  • All features included in the shareware version
  • Built-in emulation of an Epson FX-80 dot matrix printer (including graphics and control codes)
  • High resolution graphics (Radio Shack and Micro-Labs)
  • Up to 1 megabyte of additional memory in Model 4 and 4P modes
  • Hard disk support
  • Orchestra 85/90 music generation

Interested?



Model 4 Emulator For MS-DOS

written by Matthew Reed

Unregistered Shareware Version:

  • 64K of RAM
  • Four double-sided, 80-track floppy drives
  • Parallel printer port
  • Sound (can be routed through either the PC speaker or a Sound Blaster compatible sound card)
  • Several international keyboard layouts

Registered Version:

  • All features included in the shareware version
  • Model 3 mode
  • 128K memory upgrade
  • Virtual hard drive (up to 13 megabytes)
  • Hardware clock
  • Serial port for RS-232 communications
  • High resolution graphics (Radio Shack and Micro-Labs)
  • Snapshots
  • Model 4 mouse driver
  • File transfer utilities

Interested?


Model 1/3 Emulator For MS-DOS

written by Matthew Reed

Unregistered Shareware Version:

  • 48K Model 1
  • Four disk drives
  • Expansion interface
  • Doubler (Radio Shack and Percom)
  • Virtual hard drive (up to 13 megabytes)
  • Hardware clock
  • Joystick (using a PC joystick — TRISSTICK and Alpha Products joysticks are emulated)
  • Sound (can be routed through either the PC speaker or a Sound Blaster compatible sound card)

Registered Version:

  • All features included in the shareware version
  • Complete Model 3 emulation
  • Ability to switch between Model 1 and Model 3 modes with a single menu option
  • File transfer utilties

Interested?


READDISK For MS-DOS

written by Matthew Reed

Freeware Version:

  • Converts real TRS-80 disks to virtual (emulator) disk images
  • Can read almost any kind of unprotected TRS-80 disk (if your PC’s disk controller is capable enough)
  • Works on PC’s with proper size floppy disk drives (including Tandy 1000 series computers)

Interested?


How Do The Emulators Compare?

The Model I/III/4/4P Emulator for Windows:

  • Is a native Windows application (features such as sound and joystick support will work on all hardware, and you can run the emulator concurrently with other Windows applications without any adverse effects)
  • Emulates the Model I, Model III, Model 4, and Model 4P with a variety of hardware add-ons, including doublers, graphics boards, joysticks, and additional memory
  • Provides complete and “cycle accurate” hardware-level emulation (even protected disks work without problems)
  • Includes optional realistic TRS-80 disk drive sound
  • Supports all popular virtual disk (.DSK) formats
  • Registration fee: $69 for e-mail delivery

The Model 4 Emulator for MS-DOS:

  • Is an MS-DOS program (a few features, such as sound, may not work under Windows)
  • Works on older hardware (requires VGA, 640K of RAM, and an 80386 or better running at 33MHz or more)
  • Emulates the Model 4 only (in Model 4 and Model 3 modes)
  • Registration fee: $49 for e-mail delivery

The Model 1/3 Emulator for MS-DOS:

  • The smallest and the fastest of the three emulators
  • Is an MS-DOS program (a few features, such as sound, may not work under Windows)
  • Works on minimalist hardware (operates at true Model 1/3 speed on a 16MHz 386SX) and does not require VGA
  • Emulates the Model 1 and Model 3 only
  • Registration fee: $29 for e-mail delivery