Running iCOM disk images under SIMH

Double-click altairz80.exe to run SIMH. At the "sim>" prompt, type "do icom37.txt" to run with a FD3712 cabinet, or "do icom38.txt" to run with a FD3812 cabinet.

You can edit the icom3x.txt files to change the disks that are loaded. Single density disks (FD3712) are 251K, double density (FD3812) are 498K)

You can install the "R.COM" and/or "W.COM" programs under CP/M to allow transfer of files between the PC and the CP/M file system. Install "R.COM" the first time as follows:

1) Type ctrl-e to exit to the sim> prompt
2) Type "lo r.com 100" to load R.COM into emulated RAM at 100h
3) Type "go" to return to CP/M. Hit RET a couple of times to see the CP/M prompt again.
4) Type "SAVE 16 R.COM" to save R.COM from memory to the disk.
5) Now use R.COM to load W.COM: Type "R W.COM" at the CP/M prompt.
