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| | Platform | Description | Version | Date | Author | Home Site |
| DOS |
Model IV Emulator
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v1.0 |
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Matthew Reed |
Home Site |
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The unregistered shareware version emulates a 64K Model 4 with four double-sided, 80-track floppy drives and a parallel printer port. All Model 4 sound can be routed through either the PC speaker or a Sound Blaster compatible sound card, and several international keyboard layouts are available.
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The registered version adds support for Model 3 mode, the 128K memory upgrade, a virtual hard drive, a hardware clock, RS-232 communications, high resolution graphics (Radio Shack and Micro-Labs), snapshots, a Model 4 mouse driver, and file transfer utilities.
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In any event, the emulator will use LPTx: for the TRS-80 printer port, and COMx: for the RS-232 port.
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I have personally used the registered version of this emulator. I put a real Model 4 disk in IBM Drive A: and set that as my emulator boot drive (:0). This emulator booted off of the physical Model 4 disk and performed flawlessly. To create a .DSK file image of that floppy all I had to do was mount my Model 4 disk as :0 (in A:), and a virtual disk as :1, and run BACKUP. That's IT!!
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Matthew includes a utility which will allow you to import and export from a Model 3/4 .DSK file to DOS which supports wildcards.
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I strongly recommend that you register the Model 4 (and the Model 1/3) emulators written by Matthew (and NO, I do not get a kickback or any other compensation ... it is just a DAMN good piece of software).
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| UNIX |
TRS-80 Model I/III/IV Emulator |
4.9c |
May 14, 2006 |
Tim Mann |
Home Site |
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| Windows '9x |
Model III / IV Emulator
Support Files (Linked)
Voice Synthesizer Add-On File
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v6.21 |
May 2, 2001 |
David Keil |
Home Site |
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Complete TRS-80 Model III/4 emulator including:
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Z80 Micro-Processor running at 2 & 4 MHZ
14k ROM memory & 128k RAM memory
2k video memory with 2 screen modes (64 by 16 and 80 by 24)
Standard keyboard
Parallel printer port (port & memory mapped)
Real time clock interrupt (30hz & 60hz)
Cassette port sound
FD1793 floppy disk controller
4 double-sided double-density 80+ track drives
LDOS & LS-DOS compatible hard drive
High resolution graphics boards (Radio Shack and Micro-Labs):
Orchestra-90 stereo music support
VS-100 voice synthesizer support
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A point & shoot configuration screen with unlimited configurations selectable at start-up and all system options and virtual disks saved on exit
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A point & shoot virtual disk selection screen with ability to create and open new virtual disks, new & powerful virtual disk format able to do everything a real floppy disk can do, able to read & write other emulators JV1 & JV3 disks, ability to boot, read, write & format REAL TRS-80 floppy disks in a compatible PC drive
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3 user selectable fonts (early, later & PC)
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2 user selectable keyboard layouts (PC & TRS-80)
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Ability to save & load system snapshots
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Emulator speeds are accurate to .01% of a real TRS-80's for true sound and game play, plus: Hot-key speed selection of 1, 2, 4, 8 MHZ & Turbo, Turbo speed is limited only by your PC's speed, Speed auto-switch for error free disk I/O in non-standard speeds
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Hardware clock (port mapped w/utilities)
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PC mouse support (port mapped)
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PC Joystick support (port mapped)
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PC to TRS-80 file I/O (port mapped w/utilities)
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Enhanced instruction set including instructions to: Open/close/read/write PC files, Change & display the PC directory, Advanced mouse support w/drivers
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Amplifier for cassette & Orchestra-90 sound: PC Speaker and SoundBlaster 16/32 ISA
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| DOS |
PC-Four |
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Michael J. Gingell - Hypersoft |
Home Site |
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