git.sur5r.net Git - cc65/blob - src/da65/opc6502.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 opc6502.c                                 */
   4 /*                                                                           */
   5 /*                       6502 opcode description table                       */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2003-2011, Ullrich von Bassewitz                                      */
  10 /*                Roemerstrasse 52                                           */
  11 /*                D-70794 Filderstadt                                        */
  12 /* EMail:         uz@cc65.org                                                */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 /* da65 */
  37 #include "handler.h"
  38 #include "opc6502.h"
  39
  40
  41
  42 /*****************************************************************************/
  43 /*                                   Data                                    */
  44 /*****************************************************************************/
  45
  46
  47
  48 /* Descriptions for all opcodes */
  49 const OpcDesc OpcTable_6502[256] = {
  50     {   "brk",  1,  flNone,                   OH_Implicit              }, /* $00 */
  51     {   "ora",  2,  flUseLabel,               OH_DirectXIndirect       }, /* $01 */
  52     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $02 */
  53     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $03 */
  54     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $04 */
  55     {   "ora",  2,  flUseLabel,               OH_Direct                }, /* $05 */
  56     {   "asl",  2,  flUseLabel,               OH_Direct                }, /* $06 */
  57     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $07 */
  58     {   "php",  1,  flNone,                   OH_Implicit              }, /* $08 */
  59     {   "ora",  2,  flNone,                   OH_Immediate             }, /* $09 */
  60     {   "asl",  1,  flNone,                   OH_Accumulator           }, /* $0a */
  61     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $0b */
  62     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $0c */
  63     {   "ora",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $0d */
  64     {   "asl",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $0e */
  65     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $0f */
  66     {   "bpl",  2,  flLabel,                  OH_Relative              }, /* $10 */
  67     {   "ora",  2,  flUseLabel,               OH_DirectIndirectY       }, /* $11 */
  68     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $12 */
  69     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $13 */
  70     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $14 */
  71     {   "ora",  2,  flUseLabel,               OH_DirectX               }, /* $15 */
  72     {   "asl",  2,  flUseLabel,               OH_DirectX               }, /* $16 */
  73     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $17 */
  74     {   "clc",  1,  flNone,                   OH_Implicit              }, /* $18 */
  75     {   "ora",  3,  flUseLabel,               OH_AbsoluteY             }, /* $19 */
  76     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $1a */
  77     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $1b */
  78     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $1c */
  79     {   "ora",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $1d */
  80     {   "asl",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $1e */
  81     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $1f */
  82     {   "jsr",  3,  flLabel,                  OH_JsrAbsolute           }, /* $20 */
  83     {   "and",  2,  flUseLabel,               OH_DirectXIndirect       }, /* $21 */
  84     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $22 */
  85     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $23 */
  86     {   "bit",  2,  flUseLabel,               OH_Direct                }, /* $24 */
  87     {   "and",  2,  flUseLabel,               OH_Direct                }, /* $25 */
  88     {   "rol",  2,  flUseLabel,               OH_Direct                }, /* $26 */
  89     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $27 */
  90     {   "plp",  1,  flNone,                   OH_Implicit              }, /* $28 */
  91     {   "and",  2,  flNone,                   OH_Immediate             }, /* $29 */
  92     {   "rol",  1,  flNone,                   OH_Accumulator           }, /* $2a */
  93     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $2b */
  94     {   "bit",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $2c */
  95     {   "and",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $2d */
  96     {   "rol",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $2e */
  97     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $2f */
  98     {   "bmi",  2,  flLabel,                  OH_Relative              }, /* $30 */
  99     {   "and",  2,  flUseLabel,               OH_DirectIndirectY       }, /* $31 */
 100     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $32 */
 101     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $33 */
 102     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $34 */
 103     {   "and",  2,  flUseLabel,               OH_DirectX               }, /* $35 */
 104     {   "rol",  2,  flUseLabel,               OH_DirectX               }, /* $36 */
 105     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $37 */
 106     {   "sec",  1,  flNone,                   OH_Implicit              }, /* $38 */
 107     {   "and",  3,  flUseLabel,               OH_AbsoluteY             }, /* $39 */
 108     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $3a */
 109     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $3b */
 110     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $3c */
 111     {   "and",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $3d */
 112     {   "rol",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $3e */
 113     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $3f */
 114     {   "rti",  1,  flNone,                   OH_Rts                   }, /* $40 */
 115     {   "eor",  2,  flUseLabel,               OH_DirectXIndirect       }, /* $41 */
 116     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $42 */
 117     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $43 */
 118     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $44 */
 119     {   "eor",  2,  flUseLabel,               OH_Direct                }, /* $45 */
 120     {   "lsr",  2,  flUseLabel,               OH_Direct                }, /* $46 */
 121     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $47 */
 122     {   "pha",  1,  flNone,                   OH_Implicit              }, /* $48 */
 123     {   "eor",  2,  flNone,                   OH_Immediate             }, /* $49 */
 124     {   "lsr",  1,  flNone,                   OH_Accumulator           }, /* $4a */
 125     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $4b */
 126     {   "jmp",  3,  flLabel,                  OH_JmpAbsolute           }, /* $4c */
 127     {   "eor",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $4d */
 128     {   "lsr",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $4e */
 129     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $4f */
 130     {   "bvc",  2,  flLabel,                  OH_Relative              }, /* $50 */
 131     {   "eor",  2,  flUseLabel,               OH_DirectIndirectY       }, /* $51 */
 132     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $52 */
 133     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $53 */
 134     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $54 */
 135     {   "eor",  2,  flUseLabel,               OH_DirectX               }, /* $55 */
 136     {   "lsr",  2,  flUseLabel,               OH_DirectX               }, /* $56 */
 137     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $57 */
 138     {   "cli",  1,  flNone,                   OH_Implicit              }, /* $58 */
 139     {   "eor",  3,  flUseLabel,               OH_AbsoluteY             }, /* $59 */
 140     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $5a */
 141     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $5b */
 142     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $5c */
 143     {   "eor",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $5d */
 144     {   "lsr",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $5e */
 145     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $5f */
 146     {   "rts",  1,  flNone,                   OH_Rts                   }, /* $60 */
 147     {   "adc",  2,  flUseLabel,               OH_DirectXIndirect       }, /* $61 */
 148     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $62 */
 149     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $63 */
 150     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $64 */
 151     {   "adc",  2,  flUseLabel,               OH_Direct                }, /* $65 */
 152     {   "ror",  2,  flUseLabel,               OH_Direct                }, /* $66 */
 153     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $67 */
 154     {   "pla",  1,  flNone,                   OH_Implicit              }, /* $68 */
 155     {   "adc",  2,  flNone,                   OH_Immediate             }, /* $69 */
 156     {   "ror",  1,  flNone,                   OH_Accumulator           }, /* $6a */
 157     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $6b */
 158     {   "jmp",  3,  flLabel,                  OH_JmpAbsoluteIndirect   }, /* $6c */
 159     {   "adc",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $6d */
 160     {   "ror",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $6e */
 161     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $6f */
 162     {   "bvs",  2,  flLabel,                  OH_Relative              }, /* $70 */
 163     {   "adc",  2,  flUseLabel,               OH_DirectIndirectY       }, /* $71 */
 164     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $72 */
 165     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $73 */
 166     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $74 */
 167     {   "adc",  2,  flUseLabel,               OH_DirectX               }, /* $75 */
 168     {   "ror",  2,  flUseLabel,               OH_DirectX               }, /* $76 */
 169     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $77 */
 170     {   "sei",  1,  flNone,                   OH_Implicit              }, /* $78 */
 171     {   "adc",  3,  flUseLabel,               OH_AbsoluteY             }, /* $79 */
 172     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $7a */
 173     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $7b */
 174     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $7c */
 175     {   "adc",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $7d */
 176     {   "ror",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $7e */
 177     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $7f */
 178     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $80 */
 179     {   "sta",  2,  flUseLabel,               OH_DirectXIndirect       }, /* $81 */
 180     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $82 */
 181     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $83 */
 182     {   "sty",  2,  flUseLabel,               OH_Direct                }, /* $84 */
 183     {   "sta",  2,  flUseLabel,               OH_Direct                }, /* $85 */
 184     {   "stx",  2,  flUseLabel,               OH_Direct                }, /* $86 */
 185     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $87 */
 186     {   "dey",  1,  flNone,                   OH_Implicit              }, /* $88 */
 187     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $89 */
 188     {   "txa",  1,  flNone,                   OH_Implicit              }, /* $8a */
 189     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $8b */
 190     {   "sty",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $8c */
 191     {   "sta",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $8d */
 192     {   "stx",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $8e */
 193     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $8f */
 194     {   "bcc",  2,  flLabel,                  OH_Relative              }, /* $90 */
 195     {   "sta",  2,  flUseLabel,               OH_DirectIndirectY       }, /* $91 */
 196     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $92 */
 197     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $93 */
 198     {   "sty",  2,  flUseLabel,               OH_DirectX               }, /* $94 */
 199     {   "sta",  2,  flUseLabel,               OH_DirectX               }, /* $95 */
 200     {   "stx",  2,  flUseLabel,               OH_DirectY               }, /* $96 */
 201     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $97 */
 202     {   "tya",  1,  flNone,                   OH_Implicit              }, /* $98 */
 203     {   "sta",  3,  flUseLabel,               OH_AbsoluteY             }, /* $99 */
 204     {   "txs",  1,  flNone,                   OH_Implicit              }, /* $9a */
 205     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $9b */
 206     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $9c */
 207     {   "sta",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $9d */
 208     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $9e */
 209     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $9f */
 210     {   "ldy",  2,  flNone,                   OH_Immediate             }, /* $a0 */
 211     {   "lda",  2,  flUseLabel,               OH_DirectXIndirect       }, /* $a1 */
 212     {   "ldx",  2,  flNone,                   OH_Immediate             }, /* $a2 */
 213     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $a3 */
 214     {   "ldy",  2,  flUseLabel,               OH_Direct                }, /* $a4 */
 215     {   "lda",  2,  flUseLabel,               OH_Direct                }, /* $a5 */
 216     {   "ldx",  2,  flUseLabel,               OH_Direct                }, /* $a6 */
 217     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $a7 */
 218     {   "tay",  1,  flNone,                   OH_Implicit              }, /* $a8 */
 219     {   "lda",  2,  flNone,                   OH_Immediate             }, /* $a9 */
 220     {   "tax",  1,  flNone,                   OH_Implicit              }, /* $aa */
 221     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $ab */
 222     {   "ldy",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $ac */
 223     {   "lda",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $ad */
 224     {   "ldx",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $ae */
 225     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $af */
 226     {   "bcs",  2,  flLabel,                  OH_Relative              }, /* $b0 */
 227     {   "lda",  2,  flUseLabel,               OH_DirectIndirectY       }, /* $b1 */
 228     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $b2 */
 229     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $b3 */
 230     {   "ldy",  2,  flUseLabel,               OH_DirectX               }, /* $b4 */
 231     {   "lda",  2,  flUseLabel,               OH_DirectX               }, /* $b5 */
 232     {   "ldx",  2,  flUseLabel,               OH_DirectY               }, /* $b6 */
 233     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $b7 */
 234     {   "clv",  1,  flNone,                   OH_Implicit              }, /* $b8 */
 235     {   "lda",  3,  flUseLabel,               OH_AbsoluteY             }, /* $b9 */
 236     {   "tsx",  1,  flNone,                   OH_Implicit              }, /* $ba */
 237     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $bb */
 238     {   "ldy",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $bc */
 239     {   "lda",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $bd */
 240     {   "ldx",  3,  flUseLabel|flAbsOverride, OH_AbsoluteY             }, /* $be */
 241     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $bf */
 242     {   "cpy",  2,  flNone,                   OH_Immediate             }, /* $c0 */
 243     {   "cmp",  2,  flUseLabel,               OH_DirectXIndirect       }, /* $c1 */
 244     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $c2 */
 245     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $c3 */
 246     {   "cpy",  2,  flUseLabel,               OH_Direct                }, /* $c4 */
 247     {   "cmp",  2,  flUseLabel,               OH_Direct                }, /* $c5 */
 248     {   "dec",  2,  flUseLabel,               OH_Direct                }, /* $c6 */
 249     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $c7 */
 250     {   "iny",  1,  flNone,                   OH_Implicit              }, /* $c8 */
 251     {   "cmp",  2,  flNone,                   OH_Immediate             }, /* $c9 */
 252     {   "dex",  1,  flNone,                   OH_Implicit              }, /* $ca */
 253     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $cb */
 254     {   "cpy",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $cc */
 255     {   "cmp",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $cd */
 256     {   "dec",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $ce */
 257     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $cf */
 258     {   "bne",  2,  flLabel,                  OH_Relative              }, /* $d0 */
 259     {   "cmp",  2,  flUseLabel,               OH_DirectIndirectY       }, /* $d1 */
 260     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $d2 */
 261     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $d3 */
 262     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $d4 */
 263     {   "cmp",  2,  flUseLabel,               OH_DirectX               }, /* $d5 */
 264     {   "dec",  2,  flUseLabel,               OH_DirectX               }, /* $d6 */
 265     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $d7 */
 266     {   "cld",  1,  flNone,                   OH_Implicit              }, /* $d8 */
 267     {   "cmp",  3,  flUseLabel,               OH_AbsoluteY             }, /* $d9 */
 268     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $da */
 269     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $db */
 270     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $dc */
 271     {   "cmp",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $dd */
 272     {   "dec",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $de */
 273     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $df */
 274     {   "cpx",  2,  flNone,                   OH_Immediate             }, /* $e0 */
 275     {   "sbc",  2,  flUseLabel,               OH_DirectXIndirect       }, /* $e1 */
 276     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $e2 */
 277     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $e3 */
 278     {   "cpx",  2,  flUseLabel,               OH_Direct                }, /* $e4 */
 279     {   "sbc",  2,  flUseLabel,               OH_Direct                }, /* $e5 */
 280     {   "inc",  2,  flUseLabel,               OH_Direct                }, /* $e6 */
 281     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $e7 */
 282     {   "inx",  1,  flNone,                   OH_Implicit              }, /* $e8 */
 283     {   "sbc",  2,  flNone,                   OH_Immediate             }, /* $e9 */
 284     {   "nop",  1,  flNone,                   OH_Implicit              }, /* $ea */
 285     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $eb */
 286     {   "cpx",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $ec */
 287     {   "sbc",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $ed */
 288     {   "inc",  3,  flUseLabel|flAbsOverride, OH_Absolute              }, /* $ee */
 289     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $ef */
 290     {   "beq",  2,  flLabel,                  OH_Relative              }, /* $f0 */
 291     {   "sbc",  2,  flUseLabel,               OH_DirectIndirectY       }, /* $f1 */
 292     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $f2 */
 293     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $f3 */
 294     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $f4 */
 295     {   "sbc",  2,  flUseLabel,               OH_DirectX               }, /* $f5 */
 296     {   "inc",  2,  flUseLabel,               OH_DirectX               }, /* $f6 */
 297     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $f7 */
 298     {   "sed",  1,  flNone,                   OH_Implicit              }, /* $f8 */
 299     {   "sbc",  3,  flUseLabel,               OH_AbsoluteY             }, /* $f9 */
 300     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $fa */
 301     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $fb */
 302     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $fc */
 303     {   "sbc",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $fd */
 304     {   "inc",  3,  flUseLabel|flAbsOverride, OH_AbsoluteX             }, /* $fe */
 305     {   "",     1,  flIllegal,                OH_Illegal,              }, /* $ff */
 306 };