Z88 Developers' Notes
Contents   Contents of System Calls

OS_Wsq, write to prefix sequence

RST 20H, DEFW $CE06

IN:    A = character
         HL = sequence buffer

OUT: Fc=0 always
         A=0 if sequence completed, -1 otherwise

Registers affected after return:

     ..BCDE../IXIY same
     AF....HL/.... different

Notes:

        Internal operating system usage.
        write a char to the prefix sequence buffer.

Bugs:

Related calls:
OS_Isq, initialise prefix sequence