Code:
$crystal = 8000000
$regfile = "ATtiny2313.DAT"
$baud = 9600
Echo Off

Config Timer1 = Timer , Prescale = 256
On Timer1 Timer1_irq
On Urxc Isr_data                                            'On Urxc

Const Timervorgabe = 3036

Enable Urxc
Enable Timer1
Enable Interrupts

Config Portd.3 = Output                                     'LED red
Ledred Alias Portd.3
Config Portd.4 = Output                                     'LED yellow
Ledyellow Alias Portd.4
Config Portd.5 = Output                                     'LED green
Ledgreen Alias Portd.5

Dim B As Byte                                               'Buffer
Dim S As String * 5                                         'Buffer

Do
 Toggle Ledgreen

 If Ucase(s) = "PROG" Then
  Print "entering programm mode"
 End If

 S = ""

 Wait 2
Loop

End


Timer1_irq:
 Timer1 = Timervorgabe
 Toggle Ledred
Return

Isr_data:
 Toggle Ledyellow
 B = Udr
 S = S + Chr(b)
Return
Aktueller Source...


Egal was ich drücke er antwortet sofort mit "Müll"

das Terminal ist ok...habe es mit einem anderen PC getestet,

Mfg