2003-08-08 11:12:04 +00:00
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/*****************************************************************************/
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/* */
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/* opc6502.h */
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/* */
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/* 6502 opcode description table */
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/* */
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/* */
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/* */
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/* (C) 2003 Ullrich von Bassewitz */
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/* R<>merstrasse 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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/* da65 */
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#include "handler.h"
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#include "opc6502.h"
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/*****************************************************************************/
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2003-08-08 19:23:55 +00:00
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/* Data */
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2003-08-08 11:12:04 +00:00
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/*****************************************************************************/
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/* Descriptions for all opcodes */
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const OpcDesc OpcTable_6502[256] = {
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2003-10-31 16:28:56 +00:00
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{ "brk", 1, flNone, OH_Implicit }, /* $00 */
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{ "ora", 2, flUseLabel, OH_DirectXIndirect }, /* $01 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $02 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $03 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $04 */
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{ "ora", 2, flUseLabel, OH_Direct }, /* $05 */
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{ "asl", 2, flUseLabel, OH_Direct }, /* $06 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $07 */
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{ "php", 1, flNone, OH_Implicit }, /* $08 */
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{ "ora", 2, flNone, OH_Immidiate }, /* $09 */
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{ "asl", 1, flNone, OH_Accumulator }, /* $0a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $0b */
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{ "", 1, flIllegal, OH_Illegal, }, /* $0c */
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{ "ora", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $0d */
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{ "asl", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $0e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $0f */
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{ "bpl", 2, flLabel, OH_Relative }, /* $10 */
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{ "ora", 2, flUseLabel, OH_DirectIndirectY }, /* $11 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $12 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $13 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $14 */
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{ "ora", 2, flUseLabel, OH_DirectX }, /* $15 */
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{ "asl", 2, flUseLabel, OH_DirectX }, /* $16 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $17 */
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{ "clc", 1, flNone, OH_Implicit }, /* $18 */
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{ "ora", 3, flUseLabel, OH_AbsoluteY }, /* $19 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $1a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $1b */
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{ "", 1, flIllegal, OH_Illegal, }, /* $1c */
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{ "ora", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $1d */
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{ "asl", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $1e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $1f */
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{ "jsr", 3, flLabel, OH_Absolute }, /* $20 */
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{ "and", 2, flUseLabel, OH_DirectXIndirect }, /* $21 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $22 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $23 */
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{ "bit", 2, flUseLabel, OH_Direct }, /* $24 */
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{ "and", 2, flUseLabel, OH_Direct }, /* $25 */
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{ "rol", 2, flUseLabel, OH_Direct }, /* $26 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $27 */
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{ "plp", 1, flNone, OH_Implicit }, /* $28 */
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{ "and", 2, flNone, OH_Immidiate }, /* $29 */
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{ "rol", 1, flNone, OH_Accumulator }, /* $2a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $2b */
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{ "bit", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $2c */
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{ "and", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $2d */
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{ "rol", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $2e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $2f */
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{ "bmi", 2, flLabel, OH_Relative }, /* $30 */
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{ "and", 2, flUseLabel, OH_DirectIndirectY }, /* $31 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $32 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $33 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $34 */
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{ "and", 2, flUseLabel, OH_DirectX }, /* $35 */
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{ "rol", 2, flUseLabel, OH_DirectX }, /* $36 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $37 */
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{ "sec", 1, flNone, OH_Implicit }, /* $38 */
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{ "and", 3, flUseLabel, OH_AbsoluteY }, /* $39 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $3a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $3b */
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{ "", 1, flIllegal, OH_Illegal, }, /* $3c */
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{ "and", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $3d */
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{ "rol", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $3e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $3f */
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{ "rti", 1, flNone, OH_Rts }, /* $40 */
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{ "eor", 2, flUseLabel, OH_DirectXIndirect }, /* $41 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $42 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $43 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $44 */
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{ "eor", 2, flUseLabel, OH_Direct }, /* $45 */
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{ "lsr", 2, flUseLabel, OH_Direct }, /* $46 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $47 */
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{ "pha", 1, flNone, OH_Implicit }, /* $48 */
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{ "eor", 2, flNone, OH_Immidiate }, /* $49 */
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{ "lsr", 1, flNone, OH_Accumulator }, /* $4a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $4b */
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{ "jmp", 3, flLabel, OH_JmpAbsolute }, /* $4c */
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{ "eor", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $4d */
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{ "lsr", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $4e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $4f */
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{ "bvc", 2, flLabel, OH_Relative }, /* $50 */
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{ "eor", 2, flUseLabel, OH_DirectIndirectY }, /* $51 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $52 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $53 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $54 */
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{ "eor", 2, flUseLabel, OH_DirectX }, /* $55 */
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{ "lsr", 2, flUseLabel, OH_DirectX }, /* $56 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $57 */
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{ "cli", 1, flNone, OH_Implicit }, /* $58 */
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{ "eor", 3, flUseLabel, OH_AbsoluteY }, /* $59 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $5a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $5b */
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{ "", 1, flIllegal, OH_Illegal, }, /* $5c */
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{ "eor", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $5d */
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{ "lsr", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $5e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $5f */
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{ "rts", 1, flNone, OH_Rts }, /* $60 */
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{ "adc", 2, flUseLabel, OH_DirectXIndirect }, /* $61 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $62 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $63 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $64 */
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{ "adc", 2, flUseLabel, OH_Direct }, /* $65 */
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{ "ror", 2, flUseLabel, OH_Direct }, /* $66 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $67 */
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{ "pla", 1, flNone, OH_Implicit }, /* $68 */
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{ "adc", 2, flNone, OH_Immidiate }, /* $69 */
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{ "ror", 1, flNone, OH_Accumulator }, /* $6a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $6b */
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{ "jmp", 3, flLabel, OH_JmpAbsoluteIndirect }, /* $6c */
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{ "adc", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $6d */
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{ "ror", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $6e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $6f */
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{ "bvs", 2, flLabel, OH_Relative }, /* $70 */
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{ "adc", 2, flUseLabel, OH_DirectIndirectY }, /* $71 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $72 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $73 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $74 */
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{ "adc", 2, flUseLabel, OH_DirectX }, /* $75 */
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{ "ror", 2, flUseLabel, OH_DirectX }, /* $76 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $77 */
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{ "sei", 1, flNone, OH_Implicit }, /* $78 */
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{ "adc", 3, flUseLabel, OH_AbsoluteY }, /* $79 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $7a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $7b */
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{ "", 1, flIllegal, OH_Illegal, }, /* $7c */
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{ "adc", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $7d */
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{ "ror", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $7e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $7f */
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{ "", 1, flIllegal, OH_Illegal, }, /* $80 */
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{ "sta", 2, flUseLabel, OH_DirectXIndirect }, /* $81 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $82 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $83 */
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{ "sty", 2, flUseLabel, OH_Direct }, /* $84 */
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{ "sta", 2, flUseLabel, OH_Direct }, /* $85 */
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{ "stx", 2, flUseLabel, OH_Direct }, /* $86 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $87 */
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{ "dey", 1, flNone, OH_Implicit }, /* $88 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $89 */
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{ "txa", 1, flNone, OH_Implicit }, /* $8a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $8b */
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{ "sty", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $8c */
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{ "sta", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $8d */
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{ "stx", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $8e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $8f */
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{ "bcc", 2, flLabel, OH_Relative }, /* $90 */
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{ "sta", 2, flUseLabel, OH_DirectIndirectY }, /* $91 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $92 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $93 */
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{ "sty", 2, flUseLabel, OH_DirectX }, /* $94 */
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{ "sta", 2, flUseLabel, OH_DirectX }, /* $95 */
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{ "stx", 2, flUseLabel, OH_DirectY }, /* $96 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $97 */
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{ "tya", 1, flNone, OH_Implicit }, /* $98 */
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{ "sta", 3, flUseLabel, OH_AbsoluteY }, /* $99 */
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{ "txs", 1, flNone, OH_Implicit }, /* $9a */
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{ "", 1, flIllegal, OH_Illegal, }, /* $9b */
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{ "", 1, flIllegal, OH_Illegal, }, /* $9c */
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{ "sta", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $9d */
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{ "", 1, flIllegal, OH_Illegal, }, /* $9e */
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{ "", 1, flIllegal, OH_Illegal, }, /* $9f */
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{ "ldy", 2, flNone, OH_Immidiate }, /* $a0 */
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{ "lda", 2, flUseLabel, OH_DirectXIndirect }, /* $a1 */
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{ "ldx", 2, flNone, OH_Immidiate }, /* $a2 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $a3 */
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{ "ldy", 2, flUseLabel, OH_Direct }, /* $a4 */
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{ "lda", 2, flUseLabel, OH_Direct }, /* $a5 */
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{ "ldx", 2, flUseLabel, OH_Direct }, /* $a6 */
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{ "", 1, flIllegal, OH_Illegal, }, /* $a7 */
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{ "tay", 1, flNone, OH_Implicit }, /* $a8 */
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{ "lda", 2, flNone, OH_Immidiate }, /* $a9 */
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{ "tax", 1, flNone, OH_Implicit }, /* $aa */
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{ "", 1, flIllegal, OH_Illegal, }, /* $ab */
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{ "ldy", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ac */
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|
|
{ "lda", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ad */
|
|
|
|
|
|
{ "ldx", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ae */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $af */
|
|
|
|
|
|
{ "bcs", 2, flLabel, OH_Relative }, /* $b0 */
|
|
|
|
|
|
{ "lda", 2, flUseLabel, OH_DirectIndirectY }, /* $b1 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $b2 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $b3 */
|
|
|
|
|
|
{ "ldy", 2, flUseLabel, OH_DirectX }, /* $b4 */
|
|
|
|
|
|
{ "lda", 2, flUseLabel, OH_DirectX }, /* $b5 */
|
|
|
|
|
|
{ "ldx", 2, flUseLabel, OH_DirectY }, /* $b6 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $b7 */
|
|
|
|
|
|
{ "clv", 1, flNone, OH_Implicit }, /* $b8 */
|
|
|
|
|
|
{ "lda", 3, flUseLabel, OH_AbsoluteY }, /* $b9 */
|
|
|
|
|
|
{ "tsx", 1, flNone, OH_Implicit }, /* $ba */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $bb */
|
|
|
|
|
|
{ "ldy", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $bc */
|
|
|
|
|
|
{ "lda", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $bd */
|
|
|
|
|
|
{ "ldx", 3, flUseLabel|flAbsOverride, OH_AbsoluteY }, /* $be */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $bf */
|
|
|
|
|
|
{ "cpy", 2, flNone, OH_Immidiate }, /* $c0 */
|
|
|
|
|
|
{ "cmp", 2, flUseLabel, OH_DirectXIndirect }, /* $c1 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $c2 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $c3 */
|
|
|
|
|
|
{ "cpy", 2, flUseLabel, OH_Direct }, /* $c4 */
|
|
|
|
|
|
{ "cmp", 2, flUseLabel, OH_Direct }, /* $c5 */
|
|
|
|
|
|
{ "dec", 2, flUseLabel, OH_Direct }, /* $c6 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $c7 */
|
|
|
|
|
|
{ "iny", 1, flNone, OH_Implicit }, /* $c8 */
|
|
|
|
|
|
{ "cmp", 2, flNone, OH_Immidiate }, /* $c9 */
|
|
|
|
|
|
{ "dex", 1, flNone, OH_Implicit }, /* $ca */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $cb */
|
|
|
|
|
|
{ "cpy", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $cc */
|
|
|
|
|
|
{ "cmp", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $cd */
|
|
|
|
|
|
{ "dec", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ce */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $cf */
|
|
|
|
|
|
{ "bne", 2, flLabel, OH_Relative }, /* $d0 */
|
|
|
|
|
|
{ "cmp", 2, flUseLabel, OH_DirectIndirectY }, /* $d1 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $d2 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $d3 */
|
|
|
|
|
|
{ "pei", 2, flUseLabel, OH_Direct }, /* $d4 */
|
|
|
|
|
|
{ "cmp", 2, flUseLabel, OH_DirectX }, /* $d5 */
|
|
|
|
|
|
{ "dec", 2, flUseLabel, OH_DirectX }, /* $d6 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $d7 */
|
|
|
|
|
|
{ "cld", 1, flNone, OH_Implicit }, /* $d8 */
|
|
|
|
|
|
{ "cmp", 3, flUseLabel, OH_AbsoluteY }, /* $d9 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $da */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $db */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $dc */
|
|
|
|
|
|
{ "cmp", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $dd */
|
|
|
|
|
|
{ "dec", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $de */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $df */
|
|
|
|
|
|
{ "cpx", 2, flNone, OH_Immidiate }, /* $e0 */
|
|
|
|
|
|
{ "sbc", 2, flUseLabel, OH_DirectXIndirect }, /* $e1 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $e2 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $e3 */
|
|
|
|
|
|
{ "cpx", 2, flUseLabel, OH_Direct }, /* $e4 */
|
|
|
|
|
|
{ "sbc", 2, flUseLabel, OH_Direct }, /* $e5 */
|
|
|
|
|
|
{ "inc", 2, flUseLabel, OH_Direct }, /* $e6 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $e7 */
|
|
|
|
|
|
{ "inx", 1, flNone, OH_Implicit }, /* $e8 */
|
|
|
|
|
|
{ "sbc", 2, flNone, OH_Immidiate }, /* $e9 */
|
|
|
|
|
|
{ "nop", 1, flNone, OH_Implicit }, /* $ea */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $eb */
|
|
|
|
|
|
{ "cpx", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ec */
|
|
|
|
|
|
{ "sbc", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ed */
|
|
|
|
|
|
{ "inc", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ee */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $ef */
|
|
|
|
|
|
{ "beq", 2, flLabel, OH_Relative }, /* $f0 */
|
|
|
|
|
|
{ "sbc", 2, flUseLabel, OH_DirectIndirectY }, /* $f1 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $f2 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $f3 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $f4 */
|
|
|
|
|
|
{ "sbc", 2, flUseLabel, OH_DirectX }, /* $f5 */
|
|
|
|
|
|
{ "inc", 2, flUseLabel, OH_DirectX }, /* $f6 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $f7 */
|
|
|
|
|
|
{ "sed", 1, flNone, OH_Implicit }, /* $f8 */
|
|
|
|
|
|
{ "sbc", 3, flUseLabel, OH_AbsoluteY }, /* $f9 */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $fa */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $fb */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $fc */
|
|
|
|
|
|
{ "sbc", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $fd */
|
|
|
|
|
|
{ "inc", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $fe */
|
|
|
|
|
|
{ "", 1, flIllegal, OH_Illegal, }, /* $ff */
|
2003-08-08 11:12:04 +00:00
|
|
|
|
};
|
|
|
|
|
|
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|
