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- MODULE 'exec/ports'
- MODULE 'exec/interrupts'
- MODULE 'exec/libraries'
-
- /********************************************************************
- *
- * Resource structures
- *
- ********************************************************************/
-
- OBJECT DiscResourceUnit
- Message:Message,
- DiscBlock:Interrupt,
- DiscSync:Interrupt,
- Index:Interrupt
-
- OBJECT DiscResource
- Library:Library,
- Current:PTR TO DiscResourceUnit,
- Flags:UBYTE,
- pad:UBYTE,
- SysLib:PTR TO Library,
- CiaResource:PTR TO Library,
- UnitID[4]:ULONG,
- Waiting:List,
- DiscBlock:Interrupt,
- DiscSync:Interrupt,
- Index:Interrupt,
- CurrTask:PTR TO Task
-
- /* dr_Flags entries */
- FLAG DR_ALLOC0, /* unit zero is allocated */
- DR_ALLOC1, /* unit one is allocated */
- DR_ALLOC2, /* unit two is allocated */
- DR_ALLOC3, /* unit three is allocated */
- DR_ACTIVE /* is the disc currently busy? */
-
- /********************************************************************
- *
- * Hardware Magic
- *
- ********************************************************************/
- CONST DSKDMAOFF=$4000 /* idle command for dsklen register */
- /********************************************************************
- *
- * Resource specific commands
- *
- ********************************************************************/
- /*
- * DISKNAME is a generic macro to get the name of the resource.
- * This way if the name is ever changed you will pick up the
- * change automatically.
- */
-
- #define DISKNAME 'disk.resource'
-
- CONST DR_ALLOCUNIT=LIB_BASE - 0*LIB_VECTSIZE,
- DR_FREEUNIT=LIB_BASE - 1*LIB_VECTSIZE,
- DR_GETUNIT=LIB_BASE - 2*LIB_VECTSIZE,
- DR_GIVEUNIT=LIB_BASE - 3*LIB_VECTSIZE,
- DR_GETUNITID=LIB_BASE - 4*LIB_VECTSIZE,
- DR_READUNITID=LIB_BASE - 5*LIB_VECTSIZE,
- DR_LASTCOMM=DR_READUNITID
-
- /********************************************************************
- *
- * drive types
- *
- ********************************************************************/
- CONST DRT_AMIGA=$00000000,
- DRT_37422D2S=$55555555,
- DRT_EMPTY=$FFFFFFFF,
- DRT_150RPM=$AAAAAAAA
-