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253 lines
6.3 KiB
253 lines
6.3 KiB
#ifdef DEBUG
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#define dprintf printf
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#else
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#define dprintf //
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#endif
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#if 0
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#define TRUE 1
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#define FALSE 0
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#define LONG long
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#define ULONG unsigned long
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#define SHORT short
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#define USHORT unsigned short
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#define UCHAR unsigned char
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#define CHAR char
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#define PUCHAR unsigned char *
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#define PUSHORT unsigned short *
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#define PULONG unsigned long *
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#define BOOLEAN unsigned long
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#define ARRAYSIZE 20
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#define STRLISTSIZE 128
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#define SYMBOLSIZE 256
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// error codes
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#define OVERFLOW 0x1000
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#define SYNTAX 0x1001
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#define VARDEF 0x1003
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#define EXTRACHARS 0x1004
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#define LISTSIZE 0x1005
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#define STRINGSIZE 0x1006
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#define MEMORY 0x1007
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#define BADREG 0x1008
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#define BADOPCODE 0x1009
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#define SUFFIX 0x100a
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#define OPERAND 0x100b
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#define ALIGNMENT 0x100c
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#define PREFIX 0x100d
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#define DISPLACEMENT 0x100e
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#define BPLISTFULL 0x100f
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#define BPDUPLICATE 0x1010
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#define BADTHREAD 0x1011
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#define DIVIDE 0x1012
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#define TOOFEW 0x1013
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#define TOOMANY 0x1014
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#define RANGE 0x1015
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#define SIZE 0x1016
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#define BADSEG 0x1017
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#define RELOC 0x1018
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#define UNIMPLEMENT 0x1099
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#endif
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// token classes and types
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#define ASM_CLASS_MASK 0xff00
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#define ASM_TYPE_MASK 0x00ff
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#define ASM_EOL_CLASS 0x000
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#define ASM_ADDOP_CLASS 0x100
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#define ASM_ADDOP_PLUS 0x101
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#define ASM_ADDOP_MINUS 0x102
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#define ASM_MULOP_CLASS 0x200
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#define ASM_MULOP_MULT 0x201
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#define ASM_MULOP_DIVIDE 0x202
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#define ASM_MULOP_MOD 0x203
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#define ASM_MULOP_SHL 0x204
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#define ASM_MULOP_SHR 0x205
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#define ASM_ANDOP_CLASS 0x300
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#define ASM_NOTOP_CLASS 0x400
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#define ASM_OROP_CLASS 0x500
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#define ASM_OROP_OR 0x501
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#define ASM_OROP_XOR 0x502
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#define ASM_RELOP_CLASS 0x600
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#define ASM_RELOP_EQ 0x601
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#define ASM_RELOP_NE 0x602
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#define ASM_RELOP_LE 0x603
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#define ASM_RELOP_LT 0x604
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#define ASM_RELOP_GE 0x605
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#define ASM_RELOP_GT 0x606
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#define ASM_UNOP_CLASS 0x700
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#define ASM_UNOP_BY 0x701 // UNDONE
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#define ASM_UNOP_WO 0x702 // UNDONE
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#define ASM_UNOP_DW 0x703 // UNDONE
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#define ASM_UNOP_POI 0x704 // UNDONE
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#define ASM_LOWOP_CLASS 0x800
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#define ASM_LOWOP_LOW 0x801
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#define ASM_LOWOP_HIGH 0x802
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#define ASM_PTROP_CLASS 0x900
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#define ASM_SIZE_CLASS 0xa00
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#define ASM_SIZE_BYTE (0xa00 + sizeB)
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#define ASM_SIZE_WORD (0xa00 + sizeW)
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#define ASM_SIZE_DWORD (0xa00 + sizeD)
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#define ASM_SIZE_FWORD (0xa00 + sizeF)
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#define ASM_SIZE_QWORD (0xa00 + sizeQ)
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#define ASM_SIZE_TBYTE (0xa00 + sizeT)
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#define ASM_SIZE_SWORD (0xa00 + sizeS)
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#define ASM_OFFOP_CLASS 0xb00
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#define ASM_COLNOP_CLASS 0xc00
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#define ASM_LPAREN_CLASS 0xd00
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#define ASM_RPAREN_CLASS 0xe00
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#define ASM_LBRACK_CLASS 0xf00
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#define ASM_RBRACK_CLASS 0x1000
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#define ASM_DOTOP_CLASS 0x1100
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#define ASM_SEGOVR_CLASS 0x1200
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#define ASM_SEGMENT_CLASS 0x1300 // value has 16-bit value
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#define ASM_COMMA_CLASS 0x1400
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#define ASM_REG_CLASS 0x1500
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#define ASM_REG_BYTE 0x1501
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#define ASM_REG_WORD 0x1502
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#define ASM_REG_DWORD 0x1503
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#define ASM_REG_SEGMENT 0x1504
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#define ASM_REG_CONTROL 0x1505
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#define ASM_REG_DEBUG 0x1506
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#define ASM_REG_TRACE 0x1507
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#define ASM_REG_FLOAT 0x1508
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#define ASM_REG_INDFLT 0x1509
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#define ASM_NUMBER_CLASS 0x1600
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#define ASM_SYMBOL_CLASS 0x1700
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#define ASM_ERROR_CLASS 0xff00 // only used for PeekToken
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#define tEnd 0x80
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#define eEnd 0x40
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// template flag and operand tokens
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enum {
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asNone, as0x0a, asOpRg, asSiz0, asSiz1, asWait, asSeg, asFSiz,
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asMpNx, asPrfx,
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asReg0, asReg1, asReg2, asReg3, asReg4, asReg5, asReg6, asReg7,
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opnAL, opnAX, opneAX, opnCL, opnDX, opnAp, opnEb, opnEw,
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opnEv, opnGb, opnGw, opnGv, opnGd, opnIm1, opnIm3, opnIb,
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opnIw, opnIv, opnJb, opnJv, opnM, opnMa, opnMb, opnMw,
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opnMd, opnMp, opnMs, opnMq, opnMt, opnMv, opnCd, opnDd,
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opnTd, opnRd, opnSt, opnSti, opnSeg, opnSw, opnXb, opnXv,
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opnYb, opnYv, opnOb, opnOv
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};
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#define asRegBase asReg0 // first of REG flags
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#define opnBase opnAL // first template operand type
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// if less, then flag, else operand
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enum {
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segX, segES, segCS, segSS, segDS, segFS, segGS
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};
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enum {
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typNULL, // no defined type
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typAX, // general register, value EAX
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typCL, // general register, value ECX
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typDX, // general register, value EDX
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typAbs, // absolute type (direct address)
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typExp, // expr (mod-r/m) general register or memory pointer
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typGen, // general register
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typReg, // general register (special reg MOV)
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typIm1, // immediate, value 1
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typIm3, // immediate, value 3
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typImm, // immediate
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typJmp, // jump relative offset
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typMem, // memory pointer
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typCtl, // control register
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typDbg, // debug register
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typTrc, // trace register
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typSt, // floating point top-of-stack
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typSti, // floating point index-on-stack
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typSeg, // segment register (PUSH/POP opcode)
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typSgr, // segment register (MOV opcode)
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typXsi, // string source address
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typYdi, // string destination address
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typOff // memory offset
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};
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enum {
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regG, // general register
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regS, // segment register
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regC, // control register
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regD, // debug register
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regT, // trace register
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regF, // float register (st)
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regI // float-index register (st(n))
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};
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enum {
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indAX, // index for EAX, AX, AL
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indCX, // index for ECX, CX, CL
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indDX, // index for EDX, DX, DL
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indBX, // index for EBX, BX, BL
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indSP, // index for ESP, SP, AH
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indBP, // index for EBP, BP, CH
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indSI, // index for ESI, SI, DH
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indDI // index for EDI, DI, BH
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};
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enum {
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sizeX, // no size
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sizeB, // byte size
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sizeW, // word size
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sizeV, // variable size (word or dword)
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sizeD, // dword size
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sizeP, // pointer size (dword or fword)
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sizeA, // dword or qword
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sizeF, // fword
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sizeQ, // qword
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sizeT, // ten-byte
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sizeS // sword
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};
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// mapping from operand token to operand type (class and opt. value)
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typedef struct tagOPNDTYPE {
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UCHAR type;
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UCHAR size;
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} OPNDTYPE, *POPNDTYPE;
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typedef struct tagASM_VALUE {
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ULONG value;
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USHORT segment;
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UCHAR reloc;
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UCHAR size;
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UCHAR flags;
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UCHAR segovr;
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UCHAR index;
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UCHAR base;
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UCHAR scale;
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} ASM_VALUE, *PASM_VALUE;
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// bit values of flags in ASM_VALUE
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// flags are mutually exclusive
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#define fREG 0x80 // set if register
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#define fIMM 0x40 // set if immediate
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#define fFPTR 0x20 // set if far ptr
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#define fPTR 0x10 // set if memory ptr (no reg index)
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#define fPTR16 0x08 // set if memory ptr with 16-bit reg index
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#define fPTR32 0x04 // set if memory ptr with 32-bit reg index
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