S-OS
# S-OS

S-OS is a simple operating system mainly for Z80 based computers. The operating system was first presented in 1986 in the Japanese magazine Oh!X in an article called "The Sentinel".

## Commands

The command and command set is very simplified.

    Directory #D [<device name>:]
    Change default device (S=startup, A=tape..) #DV <device name>:
    Jump to address (and run program) #J <address>
    Load the program #L <filename>[:<address>]
    Enter the machine specific monitor #M
    Delete the file #K <file name>
    Save a memory block to file #S <filename>: <start address>: <end address>[: <execution address>]
    Exit from S-OS and reboot #!

## Supported systems

* Sharp MZ-80K/C/1200
* Sharp MZ-700 / 1500
* Sharp MZ-80B / 2000 / 2200
* Sharp MZ-2500/2861(MZ-2500 mode)
* Sharp X1/C/D/Cs/Ck/F/G/Twin (two different implementations)
* Sharp X1turbo/II/III/Z/ZII/ZIII
* NEC PC-8001/8801
* NEC PC-6001mkII/6601/SR
* Sony SMC-777C
* Toshiba PASOPIA
* Fujitsu FM-7 / 77 (Z80 extension card)
* Sharp X68000 (emulated Z80)
* PC-286/NEC PC-9801 (emulated Z80)
* MSX 2 / 2+ / turboR
* Casio FP-1000 / 1100
* Windows 32 bit (emulated Z80)
* Sharp calculators PC-G850/S/V/VS
