I bugged together a test because I can not remember.

From a terminal on both of the following examples I am sending
Code:
83,79
Example #1
Code:
V1	VAR	BYTE
V2	VAR	BYTE
T_MAIN:
SERIN PORTC.7,N2400,V1,V2
PAUSE 1000
SEROUT PORTC.6,N2400,[V1,V2,10]
PAUSE 250
GOTO T_MAIN
Displays
83

Example #2
Code:
V1	VAR	BYTE
V2	VAR	BYTE
T_MAIN:
SERIN PORTC.7,N2400,#V1,#V2
PAUSE 1000
SEROUT PORTC.6,N2400,[V1,V2,10]
PAUSE 250
GOTO T_MAIN
Displays
SO