Just the same as the i2c commands for the optional [new slave] part where the square brackets must be included.:I fell for that trap when I first looked at the command; the square brackets do not indicate an optional set of parameters, the square brackets are required in the statement ....
serin [ 200,start ], 7,n2400,b12,b13
SYMBOL expand_2 = %01000100 ; 010 = Addr 2 - For Compass LED display right half
SYMBOL expand_3 = %01000110 ; 011 = Addr 3 - For Compass LED display left half
;
;
;
HI2CSETUP i2cmaster, expand_2, i2cslow, i2cbyte
HI2COUT [expand_2], (temp6) ; pattern for right side of LED indicator
PAUSE 10
HI2COUT [expand_3], (temp5) ; pattern for left side of LED indicator
RETURN