CODE (spix) ( n -- n )
HL POP,
chkPS,
A L LDrr,
SPI_DATA OUTiA,
NOP, NOP, ( let SPI relay breathe )
SPI_DATA INAi,
L A LDrr,
HL PUSH,
;CODE
CODE (spie) SPI_CSLOW OUTiA, ;CODE
CODE (spid) SPI_CSHIGH OUTiA, ;CODE