OS_Hout, write a hexadecimal byte to standard output

Register parameters

RST 20H, DEFW $96

IN:
     A = byte to be written
OUT:
     Fc = 0 always (error handler is never provoked)

Registers changed after return to caller:
     A.BCDEHL/IXIY same
     .F....../.... different

Notes

This call is used by System Information command in Index to display OZ revision number. This system call is only available in OZ release V4.5 and newer.

Related calls

GN_Aab, allocate alarm block
GN_Alp, process an expired alarm (internal OZ usage)