cba152f777
the assembler will otherwise choose the cheaper zeropage addressing mode because of the size of the operand. git-svn-id: svn://svn.cc65.org/cc65/trunk@2590 b7a2c559-68d2-44c3-8de9-860c34a00d81
80 lines
3.7 KiB
C
80 lines
3.7 KiB
C
/*****************************************************************************/
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/* */
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/* opcdesc.h */
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/* */
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/* Disassembler description for one opcode */
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/* */
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/* */
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/* */
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/* (C) 2000-2003 Ullrich von Bassewitz */
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/* Römerstrasse 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 OPCDESC_H
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#define OPCDESC_H
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Constants for Flags */
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enum {
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flNone = 0x00, /* No flags given */
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flNoLabel = 0x00, /* Don't use a label */
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flGenLabel = 0x01, /* Generate a label */
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flUseLabel = 0x02, /* Use a label if there is one */
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flLabel = flUseLabel|flGenLabel, /* Generate and use a label */
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flIllegal = 0x10, /* Illegal instruction */
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flAbsOverride = 0x20, /* Need a: override */
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flFarOverride = 0x40 /* Need f: override */
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};
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/* Forward/typedef for struct OpcDesc */
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typedef struct OpcDesc OpcDesc;
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/* Type of pointer to a function that handles opcode output */
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typedef void (*OpcHandler) (const OpcDesc*);
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/* Description for one opcode */
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struct OpcDesc {
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char Mnemo [6]; /* Mnemonic */
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unsigned char Size; /* Size of this command */
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unsigned char Flags; /* Flags */
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OpcHandler Handler; /* Handler routine */
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};
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/* End of opcdesc.h */
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#endif
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