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collapseos
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Mirror of CollapseOS
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collapseos/blk/586

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  1. ( Points to ACIA buf )

  2. : ACIA( [ ACIA_MEM 4 + LITN ] ;

  3. ( Points to ACIA buf end )

  4. : ACIA) [ ACIA_MEM 6 + LITN ] ;

  5. ( Read buf pointer. Pre-inc )

  6. : ACIAR> [ ACIA_MEM LITN ] ;

  7. ( Write buf pointer. Post-inc )

  8. : ACIAW> [ ACIA_MEM 2 + LITN ] ;

  9. ( This means that if W> == R>, buffer is full.

  10.   If R>+1 == W>, buffer is empty. )