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collapseos/blk/604
2020-06-28 16:34:41 -04:00

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( -- n )
: _idle 0xff _sdcSR ;
( -- n )
( _sdcSR 0xff until the response is something else than 0xff
for a maximum of 20 times. Returns 0xff if no response. )
: _wait
0 ( cnt )
BEGIN
_idle
DUP 0xff = IF DROP ELSE NIP EXIT THEN
1+
DUP 20 = UNTIL
DROP 0xff
;