CODE (spix) ( n -- n )
HL POP, chkPS, A L LDrr,
SPI_DATA OUTiA,
( wait until xchg is done )
BEGIN, SPI_CTL INAi, 1 ANDi, JRNZ, AGAIN,
SPI_DATA INAi,
L A LDrr,
HL PUSH,
;CODE
CODE (spie) ( n -- )
SPI_CTL OUTiA,