Re: ProTERM 3.1 115,200 Baud Apple IIGS SCC Port Patch

[BLuRry <brendan.robert@gmail.com>]

> After first making a copy of your entire PT31 directory/disk and renaming
> the copy to PT31HIGHSPEED, use your favorite block editor (e.g. ProSel's
> Zap/Block Warden) and follow the file 'PT3.CODE0' to change the following
> bytes:
>
> BYTE     MEMORY    FROM      TO        COMMENT
> -----    ------    ----      ---       ---------------------------------
> $248F    $0954     $01       $00       WR 14 (Channel B - $C038)
>                                        [Disable Baud Rate Generator]
>
> $2499    $095E     $50       $00       WR 11 (Channel B - $C038)
>                                        [Source clock from RTxC Pin]
>
> $26D5    $0954     $01       $00       WR 14 (Channel A - $C039)
>                                        [Disable Baud Rate Generator]
>
> $26DF    $095E     $D0       $80       WR 11 (Channel A - $C039)
>                                        [Source clock from RTxC Pin]
>
> $2751    $09D0     $47       $87       WR 4 - 7E1 (32x multiplier)
> $2752    $09D1     $45       $85       WR 4 - 7O1 (32x multiplier)
> $2753    $09D2     $44       $84       WR 4 - 8N1 (32x multiplier)
> $2754    $09D3     $4C       $8C       WR 4 - 8N2 (32x multiplier)
> $2755    $09D4     $4F       $8F       WR 4 - 7E2 (32x multiplier)
> $2756    $09D5     $4D       $8D       WR 4 - 7O2 (32x multiplier)
>
> Then write these blocks back to the disk.
>
> {PLEASE MAKE SURE YOU HAVE A BACKUP BEFORE YOU DO THIS. If you are capable
> of using a block editor, you are capable of running a copy program. <grin>}

I can vouch your settings are correct for 115200 baud.  I do something
very similar for SSC support in Apple Game Server and it seems to work
so far.  :-)

Thanks for this!

-Brendan