Description #

Plays a monophonic note on both channels of the serial I/O port, which can be heard with either headphones or an AM radio tuned to static.

Technical Details #

Inputs #

hl = frequency of note (see notes.inc in the Doors CS 7.0 SDK)
de = duration of note (see notes.inc in the Doors CS 7.0 SDK)

Outputs #

The specified note is played. Note that this routine is blocking: ie, it will not return to the caller program until the end of the note.

Destroyed #

All