Re: Read full 8-bit character from serial port?

[dempson@actrix.gen.nz (David Empson)]

BLuRry <brendan.robert@gmail.com> wrote:

> I use these in the GameServer driver.  Seem to work for me just fine
> even at 115.2k baud.
> 
> ACIA_Data = $c0a8
> ACIA_Status = $c0a9
> sendByte              ;Sends byte to SSC (data is in X)
>       .sendLoop       LDA ACIA_Status
>                               AND #$10
>                               BEQ .sendLoop
>                               STX ACIA_Data
>                               RTS
> readByte              ;Poll for next byte (returns in A)
>                               LDA ACIA_Status
>                               AND #$08
>                               BEQ readByte
>                               LDA ACIA_Data
>                               RTS

Won't do much on a IIgs, unless you installed a Super Serial Card in
slot 2. The built-in modem port is implemented by a Zilog Z8530 SCC in a
different memory area (see other posts in this thread).

-- 
David Empson
dempson@actrix.gen.nz