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OS_Out may also be used to write screen driver codes by writing them in a series of OS_Out sequences, eg. 1, '2', '+', 'B' to switch on bold typeface.
Related calls
GNOS_Nln, send newline (CR/LF) to standard output
GN_Soe, write string at extended address Out, write character to standard output
GNOS_SopSout, write write local string to standard output, local memory
OS_Bout,write null-terminated string block at (B)HL to standard outputoutput
OS_Pout, write embedded null-terminated string at caller (PC) to standard output
OS_Hout, write hexadecimal byte to standard output
OS_Nln, send newline (CR/LF) to standard output
GN_Sop, write local string to standard output
GN_Soe, write string at extended address to standard output
GN_Nln, send newline (CR/LF) to standard output