qdosmsq:traps:trap_1:comm
Table of Contents
MT_BAUD/SMS_COMM
This trap sets the baud rate.
| Call Parameters | Return Parameters | ||
|---|---|---|---|
| D0.B | $12 | D0.L | Error code. |
| D1.W | Baud rate. | D1.L | Corrupted. |
Errors
| ERR_BP | Not a valid baud rate. |
Notes
- All registers not shown above are not used on entry and are preserved on exit.
Example
The example below shows the use of this trap call to set a baud rate of 9,600.
Baud moveq #$12,d0 ; MT_BAUD.
move.w #9600,d1 ; Required baud rate.
trap #1 ; Set it.
tst.l d0 ; OK?
beq.s baud_ok ; Yes.
... ; No, handle errors here.
qdosmsq/traps/trap_1/comm.txt · Last modified: 2017/09/09 23:21 by norman
