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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
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