2020-06-26 07:12:08 +00:00
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dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000
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dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000
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2020-06-29 12:02:24 +00:00
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.ascii "\9GWROMDisk\0"
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.align 4
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2020-06-26 07:12:08 +00:00
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.EQU killCode, 1
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.EQU noQueueBit, 9
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.EQU kioTrap, 6
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.EQU kioResult, 16
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.EQU kcsCode, 26
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.EQU JIODone, 0x08FC
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DOpen:
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movem.l %A0-%A1,-(%SP)
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bsr RDiskOpen
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movem.l (%SP)+,%A0-%A1
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rts
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DClose:
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movem.l %A0-%A1,-(%SP)
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bsr RDiskClose
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movem.l (%SP)+,%A0-%A1
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rts
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DPrime:
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movem.l %A0-%A1,-(%SP)
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bsr RDiskPrime
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movem.l (%SP)+,%A0-%A1
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bra.b IOReturn
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DControl:
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movem.l %A0-%A1,-(%SP)
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bsr RDiskControl
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movem.l (%SP)+,%A0-%A1
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cmpi.w #killCode, kcsCode(%A0)
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bne.b IOReturn
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rts
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DStatus:
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movem.l %A0-%A1,-(%SP)
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bsr RDiskStatus
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movem.l (%SP)+,%A0-%A1
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IOReturn:
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move.w kioTrap(%A0),%D1
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btst #noQueueBit,%D1
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beq.b Queued
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NotQueued:
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tst.w %D0
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ble.b ImmedRTS
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clr.w %D0
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ImmedRTS:
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move.w %D0,kioResult(%A0)
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rts
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Queued:
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tst.w %D0
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ble.b MyIODone
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clr.w %D0
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rts
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MyIODone:
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move.l JIODone,-(%SP)
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rts
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