Hi,

Sorry, this is probably old ground, I've checked the forum for messages like this, and tried the suggestions there, but I'm still having trouble.

I've got a 80C320 running at 24Mhz (the crystal says 24.0) I've set the serial port up in mode 3, and am trasnmitting using a timer value of 0F3h (243) which should make the timer overflow at the speed required for a 9600 baud connection I se PCON.7 to 1 for rate doubling, and am sending 'X' followed by '#'

My questions is this: What is the setting for HyperTeminal, or similar package to see what's being sent? I have it set to 9600,8,N,1 and it gets weird chars through, they are an O with dots over it and a U with a ^ over it. it seems like it's working, but the chars are getting gabled.


Here's the set-up code for the test program I'm using:-

setb EA
setb TR1
mov TH1,#0FFh
mov TMOD,#00100001B
mov SCON,#11010000B
mov PCON,#10000000B

label1:

mov SBUF,#'X'
jnb TI,$
clr TI
mov SBUF,#'#'
jnb TI,$
clr TI
jmp label1