Function Name: TALK

Purpose: Command a device on the serial bus to TALK
Call address: $FFB4 (hex) 65460 (decimal)
Communication registers: A
Preparatory routines: None
Error returns: See READST
Stack requirements: 8
Registers affected: A

Description: To use this routine the accumulator must first be loaded with a device number between 0 and 31. When called, this routine then ORs bit by bit to convert this device number to a talk address. Then this data is transmitted as a command on the serial bus.

How to Use:

1. Load the accumulator with the device number.
2. Call this routine.

EXAMPLE:

   ;COMMAND DEVICE #4 TO TALK
   LDA #4
   JSR TALK