collapseos/blk/602
Virgil Dupras 2d9a07d215 blkunpack: don't include trailing empty lines
This was becoming heavy to manage.
2020-06-23 06:52:34 -04:00

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( Initiate SPI exchange with the SD card. n is the data to
send. )
CODE _sdcSR ( n -- n )
HL POPqq,
chkPS,
A L LDrr,
SDC_SPI OUTnA,
NOP, NOP,
SDC_SPI INAn,
L A LDrr,
HL PUSHqq,
;CODE