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PCQ_v1.2
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Parallel.i
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1991-05-07
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{
Parallel.i for PCQ Pascal
external declarations for Parallel Port Driver
}
{$I "Include:Exec/IO.i"}
Type
IOPArray = record
PTermArray0 : Integer;
PTermArray1 : Integer;
end;
IOPArrayPtr = ^IOPArray;
{****************************************************************}
{ CAUTION !! IF YOU ACCESS the parallel.device, you MUST (!!!!) use
an IOExtPar-sized structure or you may overlay innocent memory !! }
{****************************************************************}
IOExtPar = record
IOPar : IOStdReq;
{ STRUCT MsgNode
* 0 APTR Succ
* 4 APTR Pred
* 8 UBYTE Type
* 9 UBYTE Pri
* A APTR Name
* E APTR ReplyPort
* 12 UWORD MNLength
* STRUCT IOExt
* 14 APTR io_Device
* 18 APTR io_Unit
* 1C UWORD io_Command
* 1E UBYTE io_Flags
* 1F UBYTE io_Error
* STRUCT IOStdExt
* 20 ULONG io_Actual
* 24 ULONG io_Length
* 28 APTR io_Data
* 2C ULONG io_Offset
* 30 }
io_PExtFlags : Integer; { (not used) flag extension area }
io_Status : Byte; { status of parallel port and registers }
io_ParFlags : Byte; { see PARFLAGS bit definitions below }
io_PTermArray : IOPArray; { termination character array }
end;
IOExtParPtr = ^IOExtPar;
Const
PARB_SHARED = 5; { ParFlags non-exclusive access bit }
PARF_SHARED = 32; { " non-exclusive access mask }
PARB_RAD_BOOGIE = 3; { " (not yet implemented) }
PARF_RAD_BOOGIE = 8; { " (not yet implemented) }
PARB_EOFMODE = 1; { " EOF mode enabled bit }
PARF_EOFMODE = 2; { " EOF mode enabled mask }
IOPARB_QUEUED = 6; { IO_FLAGS rqst-queued bit }
IOPARF_QUEUED = 64; { " rqst-queued mask }
IOPARB_ABORT = 5; { " rqst-aborted bit }
IOPARF_ABORT = 32; { " rqst-aborted mask }
IOPARB_ACTIVE = 4; { " rqst-qued-or-current bit }
IOPARF_ACTIVE = 16; { " rqst-qued-or-current mask }
IOPTB_RWDIR = 3; { IO_STATUS read=0,write=1 bit }
IOPTF_RWDIR = 8; { " read=0,write=1 mask }
IOPTB_PARSEL = 2; { " printer selected on the A1000 }
IOPTF_PARSEL = 4; { printer selected & serial "Ring Indicator"
on the A500 & A2000. Be careful when
making cables }
IOPTB_PAPEROUT = 1; { " paper out bit }
IOPTF_PAPEROUT = 2; { " paper out mask }
IOPTB_PARBUSY = 0; { " printer in busy toggle bit }
IOPTF_PARBUSY = 1; { " printer in busy toggle mask }
{ Note: previous versions of this include files had bits 0 and 2 swapped }
PARALLELNAME = "parallel.device";
PDCMD_QUERY = CMD_NONSTD;
PDCMD_SETPARAMS = CMD_NONSTD + 1;
ParErr_DevBusy = 1;
ParErr_BufTooBig = 2;
ParErr_InvParam = 3;
ParErr_LineErr = 4;
ParErr_NotOpen = 5;
ParErr_PortReset = 6;
ParErr_InitErr = 7;