I cannot get any shiftout (spiout) command to syntax-check okay - I'm using a 14M and software version 5.1.5 (syntax DLL 131072). I tried the example in manual 2, page 156:
spiout 1,2,LSB_First, (b1 / 8) ‘ clock 8 bits from b1
(even tried changing LSB_First to a digit or LSBFirst_L etc...