33 lines
509 B
Forth
33 lines
509 B
Forth
( I/O blocks )
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: BLKMEM+ 0x57 RAM+ @ + ;
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( n -- Fetches block n and write it to BLK( )
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: BLK@* 0 BLKMEM+ ;
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( n -- Write back BLK( to storage at block n )
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: BLK!* 2 BLKMEM+ ;
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( Current blk pointer in ( )
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: BLK> 4 BLKMEM+ ;
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: BLK( 6 BLKMEM+ ;
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: BLK$
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H@ 0x57 RAM+ !
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1030 ALLOT
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-1 BLK> !
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;
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: BLK@
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DUP BLK> = IF DROP EXIT THEN
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DUP BLK> ! BLK@* @ EXECUTE
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;
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: .2 DUP 10 < IF SPC THEN . ;
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: LIST
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BLK@
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16 0 DO
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I 1 + .2 SPC
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64 I * BLK( + (print)
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CRLF
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LOOP
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;
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