1Disk: TRS-80
2============
3
4The TRS-80 models I, III and IV (but not the II, 100, 2000, Colour Computer
5or Pocket Computer) was a popular line of Z80-based home computers made by
6Tandy Corporation and sold by Radio Shack. There were some of the first
7generation of domestic micromputers, with the Model I released in 1978.
8
9There were a myriad of different floppy disk interfaces, some produced by
10Tandy and some by third parties, using all the various combinations of 40-
11and 80-track, FM, MFM, etc.
12
13Luckily the encoding scheme was mostly compatible with the IBM scheme, with a
14few minor variations: when using FM encoding, the TRS-80 wrote the sectors on
15track 17 (where the directory was) with a non-standard DAM byte.
16
17FluxEngine's IBM reader can handle TRS-80 disks natively.
18
19Reading discs
20-------------
21
22Just do:
23
24```
25fluxengine read ibm
26```
27
28You should end up with an `ibm.img` of the appropriate size. It's a simple
29array of sectors in JV1 format.
30
31If you've got a 40-track disk, use `-s :t=0-79x2`.
32
33If you've got a single density disk, use `--read-fm=true`. (Double density is
34the default.)
35
36
37Useful references
38-----------------
39
40  - [The JV3 file format](https://www.tim-mann.org/trs80/dskspec.html):
41	documents the most popular emulator disk image.
42
43