diff options
Diffstat (limited to 'keyspan_pda/keyspan_pda.S')
| -rw-r--r-- | keyspan_pda/keyspan_pda.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/keyspan_pda/keyspan_pda.S b/keyspan_pda/keyspan_pda.S index 418fe69..602bcce 100644 --- a/keyspan_pda/keyspan_pda.S +++ b/keyspan_pda/keyspan_pda.S @@ -285,7 +285,12 @@ clear_rx_ring_loop: mov dptr,OUTC movx @dptr, a ;; setup the serial port. 9600 8N1. - mov a,#01010011 ; mode 1, enable rx, clear int + ;; Original source had: + ;;mov a,#01010011 ; mode 1, enable rx, clear int + ;; This was presumably meant to be a binary constant, but it's + ;; really decimal and out of 8-bit range. as31 used to treat + ;; it as 0 and that seems to have worked, so carry on with 0. + mov a,#0 mov SCON, a ;; using timer2, in 16-bit baud-rate-generator mode ;; (xtal 12MHz, internal fosc 24MHz) |