Exec
Hardware     Software
Priority     Priority     Description                  Name
--------     --------     -----------                  ----
           ____
          |     1         transmitter buffer empty     TBE 
          |
   1 -----|     2         disk block complete          DSKBLK 
          |
          |     3         software interrupt           SOFTINT
          |----
   2 -----|     4         external INT2 & CIAA         PORTS 
          |----
          |     5         graphics coprocessor         COPER 
          |
   3 -----|     6         vertical blank interval      VERTB 
          |
          |     7         blitter finished             BLIT 
          |----
          |     8         audio channel 2              AUD2 
          |
          |     9         audio channel 0              AUD0 
   4 -----|
          |     10        audio channel 3              AUD3 
          |
          |     11        audio channel 1              AUD1 
          |----
          |     12        receiver buffer full         RBF 
   5 -----|
          |     13        disk sync pattern found      DSKSYNC 
          |----
          |     14        external INT6 & CIAB         EXTER 
   6 -----|
          |     15        special (master enable)      INTEN 
          |----
   7 -----|____ --        non-maskable interrupt       NMI 

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