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Aminet 22
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Aminet 22 (1997)(GTI - Schatztruhe)[!][Dec 1997].iso
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amigae33a.lha
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E_v3.3a
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io.e
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1995-03-23
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820b
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43 lines
OPT MODULE
MODULE 'exec/io',
'exec/memory',
'exec/nodes',
'exec/ports'
ENUM ERR_NONE, ERR_SIG
RAISE ERR_SIG IF AllocSignal()=-1
EXPORT PROC beginIO(ioreq:PTR TO io)
DEF base
base:=ioreq.device
MOVEA.L base, A6
MOVEA.L ioreq, A1
JSR -30(A6)
ENDPROC
EXPORT PROC createStdIO(port) IS createExtIO(port, SIZEOF iostd)
EXPORT PROC deleteStdIO(ioReq) IS deleteExtIO(ioReq)
EXPORT PROC createExtIO(port, ioSize) HANDLE
DEF ioReq=NIL:PTR TO io
IF port
ioReq:=NewM(ioSize, MEMF_CLEAR OR MEMF_PUBLIC)
ioReq.mn.ln.type:=NT_REPLYMSG
ioReq.mn.length:=ioSize
ioReq.mn.replyport:=port
ENDIF
EXCEPT DO
ENDPROC ioReq
EXPORT PROC deleteExtIO(ioReq:PTR TO io)
IF ioReq
ioReq.mn.ln.succ:=-1
ioReq.mn.replyport:=-1
ioReq.device:=-1
Dispose(ioReq)
ENDIF
ENDPROC