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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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/* $Id: reg_defs.h,v 1.1.1.1 1998/01/17 15:56:01 release Exp $ */
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/*
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reg_defs.h
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This file identifies the special registers and makes some
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other useful definitions.
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*/
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/*
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$Log: reg_defs.h,v $
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* Revision 1.1.1.1 1998/01/17 15:56:01 release
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* First version to be checked into rolling release.
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*
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* Revision 1.3 1995/10/27 16:22:12 john
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* Change to general procs
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*
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* Revision 1.2 1995/05/23 13:25:20 john
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* Added new register definition
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*
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* Revision 1.1.1.1 1995/03/23 10:39:18 john
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* Entered into CVS
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*
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* Revision 1.7 1995/03/23 10:12:38 john
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* Added definition of FLOAT_REG_0
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*
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*/
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#ifndef REG_DEFS_H
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#define REG_DEFS_H
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#define RESULT_REG 0
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#define FP 15 /* frame pointer */
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#define RA 26 /* return address */
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#define PV 27 /* proc value */
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#define AT 28 /* reserved by assembler */
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#define GP 29 /* global pointer */
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#define SP 30 /* stack pointer */
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#define FIRST_INT_ARG 16
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#define LAST_INT_ARG 21 /* 1st 6 integer arguments */
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#define NUM_PARAM_REGS 6
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#define FIRST_FLOAT_ARG 16
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#define LAST_FLOAT_ARG 21
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#define FIRST_S_REG 9
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#define PARAM_REGS 0x3f0000 /* bitmask of parameter regs */
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#define NO_REG 32 /* not a register */
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#define REG_SIZE 64 /* size of register in bits */
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#define FLOAT_REG_0 32
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#define is_param_reg(X) ((X>=FIRST_INT_ARG) && (X<= LAST_INT_ARG))
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#endif
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