mirror of https://github.com/cc65/cc65.git
79 lines
4.0 KiB
C
79 lines
4.0 KiB
C
/*****************************************************************************/
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/* */
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/* cddefs.h */
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/* */
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/* Definitions for module constructor/destructors */
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/* */
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/* */
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/* */
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/* (C) 2000-2004 Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef CDDEFS_H
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#define CDDEFS_H
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* ConDes types. Count is only 7 because we want to encode 0..count in 3 bits */
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#define CD_TYPE_COUNT 7 /* Number of table types */
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#define CD_TYPE_MIN 0 /* Minimum numeric type value */
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#define CD_TYPE_MAX 6 /* Maximum numeric type value */
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/* ConDes priorities, zero is no valid priority and used to mark an empty
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** (missing) decl for this type throughout the code.
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*/
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#define CD_PRIO_NONE 0 /* No priority (no decl) */
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#define CD_PRIO_MIN 1 /* Lowest priority */
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#define CD_PRIO_DEF 7 /* Default priority */
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#define CD_PRIO_MAX 32 /* Highest priority */
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/* Predefined types */
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#define CD_TYPE_CON 0 /* Constructor */
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#define CD_TYPE_DES 1 /* Destructor */
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#define CD_TYPE_INT 2 /* Interruptor */
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/* When part of an export in an object file, type and priority are encoded in
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** one byte. In this case, the following macros access the fields:
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*/
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#define CD_GET_TYPE(v) (((v) >> 5) & 0x07)
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#define CD_GET_PRIO(v) (((v) & 0x1F) + 1)
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/* Macro to build the byte value: */
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#define CD_BUILD(type,prio) ((((type) & 0x07) << 5) | (((prio) - 1) & 0x1F))
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/* End of cddefs.h */
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#endif
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