TR-DOS
Disk operating system for the ZX Spectrum / From Wikipedia, the free encyclopedia
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TR-DOS is a disk operating system for the ZX Spectrum with Beta Disc and Beta 128 disc interfaces. TR-DOS and Beta disc were developed by Technology Research Ltd (UK), in 1984.[1][2] A clone of this interface is also used in the Russian Pentagon and Scorpion machines.
Developer | Technology Research Ltd |
---|---|
Initial release | 1984; 40 years ago (1984) |
Latest release | 5.03 / 1986; 38 years ago (1986) |
Available in | English |
Platforms | ZX Spectrum |
License | proprietary |
It became a standard and most disk releases for the ZX Spectrum, especially of modern programs, are made for TR-DOS as opposed to other disk systems.[3][4]
The latest official firmware version is 5.03 (1986).[5] Unofficial versions with various enhancements and bug-fixes have been released since 1990, with the latest being 6.10E (2006).[6]
TR-DOS handles SS/DS, SD/DD floppy disks. All modern versions support RAM Disk and some versions support hard disks.
Current emulators support TR-DOS disk images in the formats .TRD or .SCL.