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collapseos/blk/424
2020-10-29 21:03:11 -04:00

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( -- n )
: _idle 0xff (spix) ;
( -- n )
( spix 0xff until the response is something else than 0xff
for a maximum of 20 times. Returns 0xff if no response. )
: _wait
0 ( dummy ) 20 0 DO
DROP _idle DUP 0xff = NOT IF LEAVE THEN
LOOP ;