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".^[1]

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

References

^ S-OS (The Sentinel)

External links

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[1] S-OS (The Sentinel)

[1]