;********************************************************************************
; @module SPI
; @type driver
; @details
; @depends IO-W65C22N
;********************************************************************************

    .include "system/system.h65"

.ifndef INCLUDE_SPI
INCLUDE_SPI = 1

    .segment "CODE"

    .struct SPI_Pins
        ; VIA addresses
        DDR_a   .word   ; address of the data direction register
        R_a     .word   ; address of the register
        ; pin mask
        SLK_p   .byte   ; Serial Clock
        POCI_p  .byte   ; Peripheral Out / Controller In
        PICO_p  .byte   ; Peripheral In / Controller Out
        CSB_p   .byte   ; Chip Select
        ; settings
        CPOL    .byte   ; Clock Polarity
        CPHA    .byte   ; Clock Phase
    .endstruct
    
;********************************************************************************
; @function Send bytes
; @param X Number of bytes to send
; @param ARG0-1 Address of the first byte
; @param ARG2-3 Address of the SPI_Pins struct
;********************************************************************************
send_data:

    

_send_byte:
    
.endif