: BLKMEM+ 0x59 RAM+ @ + ;
( n -- Fetches block n and write it to BLK( )
: BLK@* 0 BLKMEM+ ;
( n -- Write back BLK( to storage at block n )
: BLK!* 2 BLKMEM+ ;
( Current blk pointer in ( )
: BLK> 4 BLKMEM+ ;
( Whether buffer is dirty )
: BLKDTY 6 BLKMEM+ ;
: BLK( 8 BLKMEM+ ;