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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1186 | savelij | 1 | /* motpseudo.c */ |
| 2 | /*****************************************************************************/ |
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| 3 | /* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only */ |
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| 4 | /* */ |
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| 5 | /* AS */ |
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| 6 | /* */ |
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| 7 | /* Commonly Used Motorola-Style Pseudo Instructions */ |
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| 8 | /* */ |
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| 9 | /*****************************************************************************/ |
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| 10 | |||
| 11 | /***************************************************************************** |
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| 12 | * Includes |
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| 13 | *****************************************************************************/ |
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| 14 | |||
| 15 | #include "stdinc.h" |
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| 16 | #include <ctype.h> |
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| 17 | #include <string.h> |
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| 18 | #include <math.h> |
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| 19 | #include <float.h> |
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| 20 | #include <assert.h> |
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| 21 | |||
| 22 | #include "bpemu.h" |
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| 23 | #include "be_le.h" |
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| 24 | #include "ieeefloat.h" |
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| 25 | #include "strutil.h" |
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| 26 | #include "asmdef.h" |
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| 27 | #include "asmsub.h" |
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| 28 | #include "asmpars.h" |
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| 29 | #include "asmitree.h" |
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| 30 | #include "asmallg.h" |
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| 31 | #include "onoff_common.h" |
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| 32 | #include "chartrans.h" |
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| 33 | #include "asmcode.h" |
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| 34 | #include "errmsg.h" |
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| 35 | #include "as_float.h" |
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| 36 | #include "aplfloat.h" |
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| 37 | |||
| 38 | #include "motpseudo.h" |
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| 39 | |||
| 40 | #define LEAVE goto func_exit |
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| 41 | |||
| 42 | /***************************************************************************** |
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| 43 | * Local Functions |
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| 44 | *****************************************************************************/ |
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| 45 | |||
| 46 | static Boolean CutRep(tStrComp *pDest, const tStrComp *pSrc, LongInt *pErg, tSymbolFlags *pFlags) |
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| 47 | { |
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| 48 | tStrComp Src; |
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| 49 | |||
| 50 | if (pFlags) |
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| 51 | *pFlags = eSymbolFlag_None; |
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| 52 | StrCompRefRight(&Src, pSrc, 0); |
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| 53 | KillPrefBlanksStrCompRef(&Src); |
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| 54 | if (*Src.str.p_str != '[') |
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| 55 | { |
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| 56 | *pErg = 1; |
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| 57 | *pDest = *pSrc; |
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| 58 | return True; |
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| 59 | } |
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| 60 | else |
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| 61 | { |
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| 62 | tStrComp RepArg; |
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| 63 | char *pEnd; |
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| 64 | Boolean OK; |
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| 65 | |||
| 66 | pEnd = QuotPos(Src.str.p_str + 1, ']'); |
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| 67 | if (!pEnd) |
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| 68 | { |
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| 69 | WrError(ErrNum_BrackErr); |
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| 70 | return False; |
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| 71 | } |
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| 72 | else |
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| 73 | { |
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| 74 | StrCompSplitRef(&RepArg, pDest, &Src, pEnd); |
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| 75 | StrCompIncRefLeft(&RepArg, 1); |
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| 76 | *pErg = EvalStrIntExpressionWithFlags(&RepArg, Int32, &OK, pFlags); |
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| 77 | return OK; |
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| 78 | } |
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| 79 | } |
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| 80 | } |
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| 81 | |||
| 82 | static void PutByte(Byte Value, Boolean big_endian) |
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| 83 | { |
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| 84 | if ((ListGran() == 1) || (!(CodeLen & 1))) |
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| 85 | BAsmCode[CodeLen] = Value; |
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| 86 | else if (big_endian) |
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| 87 | WAsmCode[CodeLen >> 1] = (((Word)BAsmCode[CodeLen -1]) << 8) | Value; |
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| 88 | else |
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| 89 | WAsmCode[CodeLen >> 1] = (((Word)Value) << 8) | BAsmCode[CodeLen -1]; |
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| 90 | CodeLen++; |
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| 91 | } |
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| 92 | |||
| 93 | void DecodeMotoBYT(Word flags) |
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| 94 | { |
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| 95 | if (ChkArgCnt(1, ArgCntMax)) |
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| 96 | { |
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| 97 | ShortInt SpaceFlag = -1; |
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| 98 | tStrComp *pArg, Arg; |
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| 99 | LongInt Rep; |
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| 100 | Boolean OK = True; |
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| 101 | |||
| 102 | forallargs (pArg, OK) |
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| 103 | { |
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| 104 | if (!*pArg->str.p_str) |
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| 105 | { |
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| 106 | OK = FALSE; |
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| 107 | WrError(ErrNum_EmptyArgument); |
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| 108 | break; |
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| 109 | } |
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| 110 | |||
| 111 | OK = CutRep(&Arg, pArg, &Rep, NULL); |
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| 112 | if (!OK) |
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| 113 | break; |
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| 114 | |||
| 115 | if (!strcmp(Arg.str.p_str, "?")) |
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| 116 | { |
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| 117 | if (SpaceFlag == 0) |
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| 118 | { |
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| 119 | WrError(ErrNum_MixDBDS); |
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| 120 | OK = FALSE; |
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| 121 | } |
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| 122 | else |
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| 123 | { |
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| 124 | SpaceFlag = 1; |
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| 125 | CodeLen += Rep; |
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| 126 | } |
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| 127 | } |
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| 128 | else if (SpaceFlag == 1) |
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| 129 | { |
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| 130 | WrError(ErrNum_MixDBDS); |
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| 131 | OK = FALSE; |
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| 132 | } |
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| 133 | else |
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| 134 | { |
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| 135 | TempResult t; |
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| 136 | |||
| 137 | SpaceFlag = 0; |
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| 138 | |||
| 139 | as_tempres_ini(&t); |
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| 140 | EvalStrExpression(&Arg, &t); |
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| 141 | switch (t.Typ) |
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| 142 | { |
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| 143 | case TempInt: |
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| 144 | ToInt: |
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| 145 | if (!mFirstPassUnknownOrQuestionable(t.Flags) && !RangeCheck(t.Contents.Int, Int8)) |
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| 146 | { |
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| 147 | WrStrErrorPos(ErrNum_OverRange, &Arg); |
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| 148 | OK = False; |
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| 149 | } |
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| 150 | else if (SetMaxCodeLen(CodeLen + Rep)) |
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| 151 | { |
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| 152 | WrError(ErrNum_CodeOverflow); |
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| 153 | OK = False; |
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| 154 | } |
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| 155 | else |
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| 156 | { |
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| 157 | LongInt z2; |
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| 158 | |||
| 159 | for (z2 = 0; z2 < Rep; z2++) |
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| 160 | PutByte(t.Contents.Int, !!(flags & e_moto_pseudo_flags_be)); |
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| 161 | } |
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| 162 | break; |
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| 163 | |||
| 164 | case TempFloat: |
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| 165 | WrStrErrorPos(ErrNum_StringOrIntButFloat, &Arg); |
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| 166 | OK = False; |
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| 167 | break; |
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| 168 | |||
| 169 | case TempString: |
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| 170 | { |
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| 171 | int l; |
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| 172 | |||
| 173 | if (MultiCharToInt(&t, 1)) |
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| 174 | goto ToInt; |
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| 175 | |||
| 176 | if (as_chartrans_xlate_nonz_dynstr(CurrTransTable->p_table, &t.Contents.str, &Arg)) |
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| 177 | OK = False; |
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| 178 | else |
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| 179 | { |
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| 180 | l = t.Contents.str.len; |
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| 181 | |||
| 182 | if (SetMaxCodeLen(CodeLen + (Rep * l))) |
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| 183 | { |
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| 184 | WrError(ErrNum_CodeOverflow); |
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| 185 | OK = False; |
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| 186 | } |
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| 187 | else |
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| 188 | { |
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| 189 | LongInt z2; |
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| 190 | int z3; |
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| 191 | |||
| 192 | for (z2 = 0; z2 < Rep; z2++) |
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| 193 | for (z3 = 0; z3 < l; z3++) |
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| 194 | PutByte(t.Contents.str.p_str[z3], !!(flags & e_moto_pseudo_flags_be)); |
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| 195 | } |
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| 196 | } |
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| 197 | break; |
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| 198 | } |
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| 199 | |||
| 200 | default: |
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| 201 | OK = False; |
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| 202 | break; |
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| 203 | } |
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| 204 | as_tempres_free(&t); |
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| 205 | } |
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| 206 | } |
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| 207 | |||
| 208 | if (!OK) |
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| 209 | CodeLen = 0; |
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| 210 | else |
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| 211 | { |
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| 212 | if (SpaceFlag == 1) |
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| 213 | DontPrint = True; |
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| 214 | if (*LabPart.str.p_str) |
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| 215 | SetSymbolOrStructElemSize(&LabPart, eSymbolSize8Bit); |
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| 216 | } |
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| 217 | } |
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| 218 | } |
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| 219 | |||
| 220 | static void PutADR(Word Value, Boolean big_endian) |
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| 221 | { |
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| 222 | if (ListGran() > 1) |
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| 223 | { |
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| 224 | WAsmCode[CodeLen >> 1] = Value; |
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| 225 | CodeLen += 2; |
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| 226 | } |
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| 227 | else if (big_endian) |
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| 228 | { |
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| 229 | BAsmCode[CodeLen++] = Hi(Value); |
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| 230 | BAsmCode[CodeLen++] = Lo(Value); |
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| 231 | } |
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| 232 | else |
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| 233 | { |
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| 234 | BAsmCode[CodeLen++] = Lo(Value); |
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| 235 | BAsmCode[CodeLen++] = Hi(Value); |
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| 236 | } |
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| 237 | } |
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| 238 | |||
| 239 | void DecodeMotoADR(Word flags) |
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| 240 | { |
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| 241 | if (ChkArgCnt(1, ArgCntMax)) |
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| 242 | { |
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| 243 | tStrComp *pArg, Arg; |
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| 244 | Boolean OK = True; |
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| 245 | LongInt Rep; |
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| 246 | ShortInt SpaceFlag = -1; |
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| 247 | |||
| 248 | forallargs (pArg, OK) |
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| 249 | { |
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| 250 | if (!*pArg->str.p_str) |
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| 251 | { |
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| 252 | OK = FALSE; |
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| 253 | WrError(ErrNum_EmptyArgument); |
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| 254 | break; |
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| 255 | } |
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| 256 | |||
| 257 | OK = CutRep(&Arg, pArg, &Rep, NULL); |
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| 258 | if (!OK) |
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| 259 | break; |
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| 260 | |||
| 261 | if (!strcmp(Arg.str.p_str, "?")) |
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| 262 | { |
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| 263 | if (SpaceFlag == 0) |
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| 264 | { |
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| 265 | WrError(ErrNum_MixDBDS); |
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| 266 | OK = False; |
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| 267 | } |
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| 268 | else |
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| 269 | { |
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| 270 | SpaceFlag = 1; |
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| 271 | CodeLen += 2 * Rep; |
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| 272 | } |
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| 273 | } |
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| 274 | else if (SpaceFlag == 1) |
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| 275 | { |
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| 276 | WrError(ErrNum_MixDBDS); |
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| 277 | OK = False; |
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| 278 | } |
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| 279 | else |
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| 280 | { |
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| 281 | TempResult Res; |
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| 282 | LongInt z2, Cnt; |
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| 283 | |||
| 284 | SpaceFlag = 0; |
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| 285 | as_tempres_ini(&Res); |
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| 286 | EvalStrExpression(&Arg, &Res); |
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| 287 | |||
| 288 | switch (Res.Typ) |
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| 289 | { |
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| 290 | case TempInt: |
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| 291 | ToInt: |
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| 292 | if (mFirstPassUnknown(Res.Flags)) |
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| 293 | Res.Contents.Int &= 0xffff; |
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| 294 | if (!mSymbolQuestionable(Res.Flags) && !RangeCheck(Res.Contents.Int, Int16)) |
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| 295 | { |
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| 296 | WrError(ErrNum_OverRange); |
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| 297 | Res.Typ = TempNone; |
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| 298 | } |
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| 299 | Cnt = 1; |
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| 300 | break; |
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| 301 | case TempString: |
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| 302 | if (MultiCharToInt(&Res, 2)) |
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| 303 | goto ToInt; |
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| 304 | if (as_chartrans_xlate_nonz_dynstr(CurrTransTable->p_table, &Res.Contents.str, &Arg)) |
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| 305 | goto none; |
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| 306 | Cnt = Res.Contents.str.len; |
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| 307 | break; |
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| 308 | case TempFloat: |
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| 309 | WrStrErrorPos(ErrNum_StringOrIntButFloat, &Arg); |
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| 310 | /* fall-through */ |
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| 311 | none: |
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| 312 | default: |
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| 313 | Res.Typ = TempNone; |
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| 314 | Cnt = 0; |
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| 315 | break; |
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| 316 | } |
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| 317 | if (TempNone == Res.Typ) |
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| 318 | { |
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| 319 | OK = False; |
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| 320 | break; |
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| 321 | } |
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| 322 | |||
| 323 | if (SetMaxCodeLen(CodeLen + ((Cnt * Rep) << 1))) |
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| 324 | { |
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| 325 | WrError(ErrNum_CodeOverflow); |
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| 326 | OK = False; |
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| 327 | break; |
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| 328 | } |
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| 329 | |||
| 330 | for (z2 = 0; z2 < Rep; z2++) |
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| 331 | switch (Res.Typ) |
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| 332 | { |
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| 333 | case TempInt: |
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| 334 | PutADR(Res.Contents.Int, !!(flags & e_moto_pseudo_flags_be)); |
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| 335 | break; |
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| 336 | case TempString: |
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| 337 | { |
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| 338 | unsigned z3; |
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| 339 | |||
| 340 | for (z3 = 0; z3 < Res.Contents.str.len; z3++) |
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| 341 | PutADR(Res.Contents.str.p_str[z3], !!(flags & e_moto_pseudo_flags_be)); |
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| 342 | break; |
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| 343 | } |
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| 344 | default: |
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| 345 | break; |
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| 346 | } |
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| 347 | as_tempres_free(&Res); |
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| 348 | } |
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| 349 | } |
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| 350 | |||
| 351 | if (!OK) |
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| 352 | CodeLen = 0; |
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| 353 | else |
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| 354 | { |
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| 355 | if (SpaceFlag) |
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| 356 | DontPrint = True; |
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| 357 | if (*LabPart.str.p_str) |
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| 358 | SetSymbolOrStructElemSize(&LabPart, eSymbolSize16Bit); |
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| 359 | } |
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| 360 | } |
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| 361 | } |
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| 362 | |||
| 363 | void DecodeMotoDCM(Word flags) |
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| 364 | { |
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| 365 | if (ChkArgCnt(1, ArgCntMax)) |
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| 366 | { |
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| 367 | tStrComp *pArg, Arg; |
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| 368 | Boolean OK = True; |
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| 369 | LongInt Rep; |
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| 370 | ShortInt SpaceFlag = -1; |
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| 371 | |||
| 372 | forallargs (pArg, OK) |
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| 373 | { |
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| 374 | if (!*pArg->str.p_str) |
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| 375 | { |
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| 376 | OK = FALSE; |
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| 377 | WrError(ErrNum_EmptyArgument); |
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| 378 | break; |
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| 379 | } |
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| 380 | |||
| 381 | OK = CutRep(&Arg, pArg, &Rep, NULL); |
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| 382 | if (!OK) |
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| 383 | break; |
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| 384 | |||
| 385 | if (!strcmp(Arg.str.p_str, "?")) |
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| 386 | { |
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| 387 | if (SpaceFlag == 0) |
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| 388 | { |
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| 389 | WrError(ErrNum_MixDBDS); |
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| 390 | OK = False; |
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| 391 | } |
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| 392 | else |
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| 393 | { |
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| 394 | SpaceFlag = 1; |
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| 395 | CodeLen += 4 * Rep; |
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| 396 | } |
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| 397 | } |
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| 398 | else if (SpaceFlag == 1) |
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| 399 | { |
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| 400 | WrError(ErrNum_MixDBDS); |
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| 401 | OK = False; |
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| 402 | } |
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| 403 | else |
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| 404 | { |
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| 405 | TempResult Res; |
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| 406 | LongInt z2; |
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| 407 | int ret; |
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| 408 | Word buf[2]; |
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| 409 | |||
| 410 | SpaceFlag = 0; |
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| 411 | as_tempres_ini(&Res); |
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| 412 | EvalStrExpression(&Arg, &Res); |
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| 413 | |||
| 414 | switch (Res.Typ) |
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| 415 | { |
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| 416 | case TempInt: |
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| 417 | TempResultToFloat(&Res); |
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| 418 | break; |
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| 419 | case TempFloat: |
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| 420 | break; |
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| 421 | case TempString: |
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| 422 | WrStrErrorPos(ErrNum_FloatButString, &Arg); |
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| 423 | /* fall-through */ |
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| 424 | default: |
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| 425 | Res.Typ = TempNone; |
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| 426 | break; |
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| 427 | } |
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| 428 | if (TempNone == Res.Typ) |
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| 429 | { |
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| 430 | OK = False; |
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| 431 | break; |
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| 432 | } |
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| 433 | |||
| 434 | if (SetMaxCodeLen(CodeLen + (Rep << 2))) |
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| 435 | { |
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| 436 | WrError(ErrNum_CodeOverflow); |
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| 437 | OK = False; |
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| 438 | break; |
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| 439 | } |
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| 440 | |||
| 441 | ret = as_float_2_apl4(Res.Contents.Float, buf); |
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| 442 | if (!asmerr_check_fp_dispose_result(ret, &Arg)) |
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| 443 | { |
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| 444 | OK = False; |
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| 445 | break; |
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| 446 | } |
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| 447 | |||
| 448 | for (z2 = 0; z2 < Rep; z2++) |
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| 449 | { |
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| 450 | PutADR(buf[0], !!(flags & e_moto_pseudo_flags_be)); |
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| 451 | PutADR(buf[1], !!(flags & e_moto_pseudo_flags_be)); |
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| 452 | } |
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| 453 | as_tempres_free(&Res); |
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| 454 | } |
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| 455 | } |
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| 456 | |||
| 457 | if (!OK) |
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| 458 | CodeLen = 0; |
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| 459 | else |
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| 460 | { |
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| 461 | if (SpaceFlag) |
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| 462 | DontPrint = True; |
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| 463 | if (*LabPart.str.p_str) |
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| 464 | SetSymbolOrStructElemSize(&LabPart, eSymbolSize16Bit); |
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| 465 | } |
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| 466 | } |
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| 467 | } |
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| 468 | |||
| 469 | static void DecodeFCC(Word flags) |
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| 470 | { |
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| 471 | if (ChkArgCnt(1, ArgCntMax)) |
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| 472 | { |
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| 473 | Boolean OK = True; |
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| 474 | tStrComp *pArg, Arg; |
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| 475 | TempResult t; |
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| 476 | |||
| 477 | as_tempres_ini(&t); |
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| 478 | forallargs (pArg, OK) |
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| 479 | { |
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| 480 | LongInt Rep; |
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| 481 | |||
| 482 | if (!*pArg->str.p_str) |
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| 483 | { |
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| 484 | OK = FALSE; |
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| 485 | WrError(ErrNum_EmptyArgument); |
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| 486 | break; |
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| 487 | } |
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| 488 | |||
| 489 | OK = CutRep(&Arg, pArg, &Rep, NULL); |
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| 490 | if (!OK) |
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| 491 | break; |
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| 492 | |||
| 493 | EvalStrExpression(&Arg, &t); |
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| 494 | switch (t.Typ) |
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| 495 | { |
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| 496 | case TempString: |
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| 497 | { |
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| 498 | int l; |
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| 499 | |||
| 500 | if (as_chartrans_xlate_nonz_dynstr(CurrTransTable->p_table, &t.Contents.str, &Arg)) |
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| 501 | OK = False; |
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| 502 | else |
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| 503 | { |
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| 504 | l = t.Contents.str.len; |
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| 505 | if (SetMaxCodeLen(CodeLen + Rep * l)) |
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| 506 | { |
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| 507 | WrError(ErrNum_CodeOverflow); |
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| 508 | OK = False; |
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| 509 | } |
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| 510 | else |
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| 511 | { |
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| 512 | LongInt z2; |
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| 513 | int z3; |
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| 514 | |||
| 515 | for (z2 = 0; z2 < Rep; z2++) |
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| 516 | for (z3 = 0; z3 < l; z3++) |
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| 517 | PutByte(t.Contents.str.p_str[z3], !!(flags & e_moto_pseudo_flags_be)); |
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| 518 | } |
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| 519 | } |
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| 520 | break; |
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| 521 | } |
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| 522 | case TempNone: |
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| 523 | OK = False; |
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| 524 | break; |
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| 525 | default: |
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| 526 | WrStrErrorPos(ErrNum_ExpectString, &Arg); |
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| 527 | OK = False; |
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| 528 | } |
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| 529 | } |
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| 530 | as_tempres_free(&t); |
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| 531 | |||
| 532 | if (!OK) |
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| 533 | CodeLen = 0; |
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| 534 | else if (*LabPart.str.p_str) |
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| 535 | SetSymbolOrStructElemSize(&LabPart, eSymbolSize8Bit); |
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| 536 | } |
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| 537 | } |
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| 538 | |||
| 539 | void DecodeMotoDFS(Word Index) |
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| 540 | { |
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| 541 | UNUSED(Index); |
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| 542 | |||
| 543 | if (ChkArgCnt(1, 1)) |
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| 544 | { |
||
| 545 | Word HVal16; |
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| 546 | Boolean OK; |
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| 547 | tSymbolFlags Flags; |
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| 548 | |||
| 549 | HVal16 = EvalStrIntExpressionWithFlags(&ArgStr[1], Int16, &OK, &Flags); |
||
| 550 | if (mFirstPassUnknown(Flags)) |
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| 551 | WrError(ErrNum_FirstPassCalc); |
||
| 552 | else if (OK) |
||
| 553 | { |
||
| 554 | DontPrint = True; |
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| 555 | CodeLen = HVal16; |
||
| 556 | if (!HVal16) |
||
| 557 | WrError(ErrNum_NullResMem); |
||
| 558 | BookKeeping(); |
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| 559 | if (*LabPart.str.p_str) |
||
| 560 | SetSymbolOrStructElemSize(&LabPart, eSymbolSize8Bit); |
||
| 561 | } |
||
| 562 | } |
||
| 563 | } |
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| 564 | |||
| 565 | /***************************************************************************** |
||
| 566 | * Global Functions |
||
| 567 | *****************************************************************************/ |
||
| 568 | |||
| 569 | /*!------------------------------------------------------------------------ |
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| 570 | * \fn add_moto8_pseudo(PInstTable p_inst_table, moto_pseudo_flags_t flags) |
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| 571 | * \brief merge Motorola-style 8 bit pseudo ops into instruction hash table |
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| 572 | * \param p_inst_table table to augment |
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| 573 | * \param flags controls which instructions to add, and endianess |
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| 574 | * ------------------------------------------------------------------------ */ |
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| 575 | |||
| 576 | void add_moto8_pseudo(PInstTable p_inst_table, moto_pseudo_flags_t flags) |
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| 577 | { |
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| 578 | AddInstTable(p_inst_table, "BYT", flags & e_moto_pseudo_flags_be, DecodeMotoBYT); |
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| 579 | AddInstTable(p_inst_table, "FCB", flags & e_moto_pseudo_flags_be, DecodeMotoBYT); |
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| 580 | AddInstTable(p_inst_table, "ADR", flags & e_moto_pseudo_flags_be, DecodeMotoADR); |
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| 581 | AddInstTable(p_inst_table, "FDB", flags & e_moto_pseudo_flags_be, DecodeMotoADR); |
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| 582 | if (flags & e_moto_pseudo_flags_ddb) |
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| 583 | AddInstTable(p_inst_table, "DDB", e_moto_pseudo_flags_be, DecodeMotoADR); |
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| 584 | if (flags & e_moto_pseudo_flags_dcm) |
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| 585 | AddInstTable(p_inst_table, "DCM", e_moto_pseudo_flags_be, DecodeMotoDCM); |
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| 586 | AddInstTable(p_inst_table, "FCC", flags & e_moto_pseudo_flags_be, DecodeFCC); |
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| 587 | AddInstTable(p_inst_table, "DFS", e_moto_pseudo_flags_none, DecodeMotoDFS); |
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| 588 | AddInstTable(p_inst_table, "RMB", e_moto_pseudo_flags_none, DecodeMotoDFS); |
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| 589 | if (flags & e_moto_pseudo_flags_ds) |
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| 590 | AddInstTable(p_inst_table, "DS", e_moto_pseudo_flags_none, DecodeMotoDFS); |
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| 591 | } |
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| 592 | |||
| 593 | static void DigIns(char Ch, int Pos, Byte *pDest) |
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| 594 | { |
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| 595 | int bytepos = Pos >> 1, bitpos = (Pos & 1) << 2; |
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| 596 | Byte dig = Ch - '0'; |
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| 597 | |||
| 598 | pDest[bytepos] |= (dig << bitpos); |
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| 599 | } |
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| 600 | |||
| 601 | int ConvertMotoFloatDec(as_float_t F, Byte *pDest, Boolean NeedsBig) |
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| 602 | { |
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| 603 | as_float_dissect_t dissect; |
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| 604 | |||
| 605 | UNUSED(NeedsBig); |
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| 606 | memset(pDest, 0, 12); |
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| 607 | |||
| 608 | as_float_dissect(&dissect, F); |
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| 609 | switch (dissect.fp_class) |
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| 610 | { |
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| 611 | case AS_FP_NAN: |
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| 612 | pDest[7] = 0x80; |
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| 613 | /* FALL-THRU */ |
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| 614 | case AS_FP_INFINITE: |
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| 615 | pDest[11] = dissect.negative ? 0xff : 0x7f; |
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| 616 | pDest[10] = 0xff; |
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| 617 | break; |
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| 618 | default: |
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| 619 | { |
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| 620 | char s[30], Man[30], Exp[30]; |
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| 621 | char *pSplit; |
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| 622 | int z, ManLen, ExpLen; |
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| 623 | Byte epos; |
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| 624 | |||
| 625 | /* TODO: as_fabs(F) <= 9.22e18; */ |
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| 626 | /* convert to ASCII, split mantissa & exponent */ |
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| 627 | |||
| 628 | as_snprintf(s, sizeof(s), "%0.*lllle", AS_FLOAT_DIG + 1, F); |
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| 629 | pSplit = strchr(s, HexStartCharacter + ('e' - 'a')); |
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| 630 | if (!pSplit) |
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| 631 | { |
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| 632 | strcpy(Man, s); |
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| 633 | strcpy(Exp, "+0000"); |
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| 634 | } |
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| 635 | else |
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| 636 | { |
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| 637 | *pSplit = '\0'; |
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| 638 | strcpy(Man, s); |
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| 639 | strcpy(Exp, pSplit + 1); |
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| 640 | } |
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| 641 | |||
| 642 | /* handle mantissa sign */ |
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| 643 | |||
| 644 | if (*Man == '-') |
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| 645 | { |
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| 646 | pDest[11] |= 0x80; strmov(Man, Man + 1); |
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| 647 | } |
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| 648 | else if (*Man == '+') |
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| 649 | strmov(Man, Man + 1); |
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| 650 | |||
| 651 | /* handle exponent sign */ |
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| 652 | |||
| 653 | if (*Exp == '-') |
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| 654 | { |
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| 655 | pDest[11] |= 0x40; |
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| 656 | strmov(Exp, Exp + 1); |
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| 657 | } |
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| 658 | else if (*Exp == '+') |
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| 659 | strmov(Exp, Exp + 1); |
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| 660 | |||
| 661 | /* integral part of mantissa (one digit) */ |
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| 662 | |||
| 663 | DigIns(*Man, 16, pDest); |
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| 664 | strmov(Man, Man + 2); |
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| 665 | |||
| 666 | /* truncate mantissa if we have more digits than we can represent */ |
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| 667 | |||
| 668 | if (strlen(Man) > 16) |
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| 669 | Man[16] = '\0'; |
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| 670 | |||
| 671 | /* insert mantissa digits */ |
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| 672 | |||
| 673 | ManLen = strlen(Man); |
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| 674 | for (z = 0; z < ManLen; z++) |
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| 675 | DigIns(Man[z], 15 - z, pDest); |
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| 676 | |||
| 677 | /* truncate exponent if we have more digits than we can represent - this should |
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| 678 | never occur since an extended float is limited to ~1E4932 and we have four digits */ |
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| 679 | |||
| 680 | if (strlen(Exp) > 4) |
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| 681 | strmov(Exp, Exp + strlen(Exp) - 4); |
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| 682 | |||
| 683 | /* insert exponent bits */ |
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| 684 | |||
| 685 | ExpLen = strlen(Exp); |
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| 686 | for (z = ExpLen - 1; z >= 0; z--) |
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| 687 | { |
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| 688 | epos = ExpLen - 1 - z; |
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| 689 | if (epos == 3) |
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| 690 | DigIns(Exp[z], 19, pDest); |
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| 691 | else |
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| 692 | DigIns(Exp[z], epos + 20, pDest); |
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| 693 | } |
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| 694 | break; |
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| 695 | } |
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| 696 | } |
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| 697 | |||
| 698 | if (HostBigEndian) |
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| 699 | WSwap(pDest, 12); |
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| 700 | return 12; |
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| 701 | } |
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| 702 | |||
| 703 | static void EnterByte(LargeWord b, Boolean BigEndian) |
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| 704 | { |
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| 705 | UNUSED(BigEndian); |
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| 706 | if (((CodeLen & 1) == 1) && (!HostBigEndian) && (ListGran() != 1)) |
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| 707 | { |
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| 708 | BAsmCode[CodeLen ] = BAsmCode[CodeLen - 1]; |
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| 709 | BAsmCode[CodeLen - 1] = b; |
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| 710 | } |
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| 711 | else |
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| 712 | { |
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| 713 | BAsmCode[CodeLen] = b; |
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| 714 | } |
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| 715 | CodeLen++; |
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| 716 | } |
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| 717 | |||
| 718 | static void EnterWord(LargeWord w, Boolean BigEndian) |
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| 719 | { |
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| 720 | if (ListGran() == 1) |
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| 721 | { |
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| 722 | if (BigEndian) |
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| 723 | { |
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| 724 | BAsmCode[CodeLen ] = Hi(w); |
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| 725 | BAsmCode[CodeLen + 1] = Lo(w); |
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| 726 | } |
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| 727 | else |
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| 728 | { |
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| 729 | BAsmCode[CodeLen ] = Lo(w); |
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| 730 | BAsmCode[CodeLen + 1] = Hi(w); |
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| 731 | } |
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| 732 | } |
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| 733 | else |
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| 734 | WAsmCode[CodeLen >> 1] = w; |
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| 735 | CodeLen += 2; |
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| 736 | } |
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| 737 | |||
| 738 | static void EnterPointer(LargeWord w, Boolean BigEndian) |
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| 739 | { |
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| 740 | if (BigEndian) |
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| 741 | { |
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| 742 | EnterByte((w >> 16) & 0xff, BigEndian); |
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| 743 | EnterByte((w >> 8) & 0xff, BigEndian); |
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| 744 | EnterByte((w ) & 0xff, BigEndian); |
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| 745 | } |
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| 746 | else |
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| 747 | { |
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| 748 | EnterByte((w ) & 0xff, BigEndian); |
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| 749 | EnterByte((w >> 8) & 0xff, BigEndian); |
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| 750 | EnterByte((w >> 16) & 0xff, BigEndian); |
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| 751 | } |
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| 752 | } |
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| 753 | |||
| 754 | static void EnterLWord(LargeWord l, Boolean BigEndian) |
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| 755 | { |
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| 756 | if (ListGran() == 1) |
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| 757 | { |
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| 758 | if (BigEndian) |
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| 759 | { |
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| 760 | BAsmCode[CodeLen ] = (l >> 24) & 0xff; |
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| 761 | BAsmCode[CodeLen + 1] = (l >> 16) & 0xff; |
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| 762 | BAsmCode[CodeLen + 2] = (l >> 8) & 0xff; |
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| 763 | BAsmCode[CodeLen + 3] = (l ) & 0xff; |
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| 764 | } |
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| 765 | else |
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| 766 | { |
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| 767 | BAsmCode[CodeLen ] = (l ) & 0xff; |
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| 768 | BAsmCode[CodeLen + 1] = (l >> 8) & 0xff; |
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| 769 | BAsmCode[CodeLen + 2] = (l >> 16) & 0xff; |
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| 770 | BAsmCode[CodeLen + 3] = (l >> 24) & 0xff; |
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| 771 | } |
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| 772 | } |
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| 773 | else |
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| 774 | { |
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| 775 | WAsmCode[(CodeLen >> 1) ] = (l >> 16) & 0xffff; |
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| 776 | WAsmCode[(CodeLen >> 1) + 1] = (l ) & 0xffff; |
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| 777 | } |
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| 778 | CodeLen += 4; |
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| 779 | } |
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| 780 | |||
| 781 | static void EnterQWord(LargeWord q, Boolean BigEndian) |
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| 782 | { |
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| 783 | if (ListGran() == 1) |
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| 784 | { |
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| 785 | if (BigEndian) |
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| 786 | { |
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| 787 | #ifdef HAS64 |
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| 788 | BAsmCode[CodeLen ] = (q >> 56) & 0xff; |
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| 789 | BAsmCode[CodeLen + 1] = (q >> 48) & 0xff; |
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| 790 | BAsmCode[CodeLen + 2] = (q >> 40) & 0xff; |
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| 791 | BAsmCode[CodeLen + 3] = (q >> 32) & 0xff; |
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| 792 | #else |
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| 793 | /* TempResult is LargeInt, so sign-extend */ |
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| 794 | BAsmCode[CodeLen ] = |
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| 795 | BAsmCode[CodeLen + 1] = |
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| 796 | BAsmCode[CodeLen + 2] = |
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| 797 | BAsmCode[CodeLen + 3] = (q & 0x80000000ul) ? 0xff : 0x00; |
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| 798 | #endif |
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| 799 | BAsmCode[CodeLen + 4] = (q >> 24) & 0xff; |
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| 800 | BAsmCode[CodeLen + 5] = (q >> 16) & 0xff; |
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| 801 | BAsmCode[CodeLen + 6] = (q >> 8) & 0xff; |
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| 802 | BAsmCode[CodeLen + 7] = (q ) & 0xff; |
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| 803 | } |
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| 804 | else |
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| 805 | { |
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| 806 | BAsmCode[CodeLen ] = (q ) & 0xff; |
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| 807 | BAsmCode[CodeLen + 1] = (q >> 8) & 0xff; |
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| 808 | BAsmCode[CodeLen + 2] = (q >> 16) & 0xff; |
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| 809 | BAsmCode[CodeLen + 3] = (q >> 24) & 0xff; |
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| 810 | #ifdef HAS64 |
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| 811 | BAsmCode[CodeLen + 4] = (q >> 32) & 0xff; |
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| 812 | BAsmCode[CodeLen + 5] = (q >> 40) & 0xff; |
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| 813 | BAsmCode[CodeLen + 6] = (q >> 48) & 0xff; |
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| 814 | BAsmCode[CodeLen + 7] = (q >> 56) & 0xff; |
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| 815 | #else |
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| 816 | /* TempResult is LargeInt, so sign-extend */ |
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| 817 | BAsmCode[CodeLen + 4] = |
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| 818 | BAsmCode[CodeLen + 5] = |
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| 819 | BAsmCode[CodeLen + 6] = |
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| 820 | BAsmCode[CodeLen + 7] = (q & 0x80000000ul) ? 0xff : 0x00; |
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| 821 | #endif |
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| 822 | } |
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| 823 | } |
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| 824 | else |
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| 825 | { |
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| 826 | #ifdef HAS64 |
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| 827 | WAsmCode[(CodeLen >> 1) ] = (q >> 48) & 0xffff; |
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| 828 | WAsmCode[(CodeLen >> 1) + 1] = (q >> 32) & 0xffff; |
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| 829 | #else |
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| 830 | /* TempResult is LargeInt, so sign-extend */ |
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| 831 | WAsmCode[(CodeLen >> 1) ] = |
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| 832 | WAsmCode[(CodeLen >> 1) + 1] = (q & 0x80000000ul) ? 0xffff : 0x00; |
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| 833 | #endif |
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| 834 | WAsmCode[(CodeLen >> 1) + 2] = (q >> 16) & 0xffff; |
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| 835 | WAsmCode[(CodeLen >> 1) + 3] = (q ) & 0xffff; |
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| 836 | } |
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| 837 | CodeLen += 8; |
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| 838 | } |
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| 839 | |||
| 840 | static void EnterIEEE2(Word *pField, Boolean BigEndian) |
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| 841 | { |
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| 842 | if (ListGran() == 1) |
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| 843 | { |
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| 844 | if (BigEndian) |
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| 845 | { |
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| 846 | BAsmCode[CodeLen ] = Hi(pField[0]); |
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| 847 | BAsmCode[CodeLen + 1] = Lo(pField[0]); |
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| 848 | } |
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| 849 | else |
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| 850 | { |
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| 851 | BAsmCode[CodeLen ] = Lo(pField[0]); |
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| 852 | BAsmCode[CodeLen + 1] = Hi(pField[0]); |
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| 853 | } |
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| 854 | } |
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| 855 | else |
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| 856 | { |
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| 857 | WAsmCode[(CodeLen >> 1) ] = pField[0]; |
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| 858 | } |
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| 859 | CodeLen += 2; |
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| 860 | } |
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| 861 | |||
| 862 | static void EnterIEEE4(Word *pField, Boolean BigEndian) |
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| 863 | { |
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| 864 | if (ListGran() == 1) |
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| 865 | { |
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| 866 | if (BigEndian) |
||
| 867 | { |
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| 868 | BAsmCode[CodeLen ] = Hi(pField[1]); |
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| 869 | BAsmCode[CodeLen + 1] = Lo(pField[1]); |
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| 870 | BAsmCode[CodeLen + 2] = Hi(pField[0]); |
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| 871 | BAsmCode[CodeLen + 3] = Lo(pField[0]); |
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| 872 | } |
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| 873 | else |
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| 874 | { |
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| 875 | BAsmCode[CodeLen ] = Lo(pField[0]); |
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| 876 | BAsmCode[CodeLen + 1] = Hi(pField[0]); |
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| 877 | BAsmCode[CodeLen + 2] = Lo(pField[1]); |
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| 878 | BAsmCode[CodeLen + 3] = Hi(pField[1]); |
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| 879 | } |
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| 880 | } |
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| 881 | else |
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| 882 | { |
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| 883 | WAsmCode[(CodeLen >> 1) ] = pField[1]; |
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| 884 | WAsmCode[(CodeLen >> 1) + 1] = pField[0]; |
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| 885 | } |
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| 886 | CodeLen += 4; |
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| 887 | } |
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| 888 | |||
| 889 | static void EnterIEEE8(Word *pField, Boolean BigEndian) |
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| 890 | { |
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| 891 | if (ListGran() == 1) |
||
| 892 | { |
||
| 893 | if (BigEndian) |
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| 894 | { |
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| 895 | BAsmCode[CodeLen ] = Hi(pField[3]); |
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| 896 | BAsmCode[CodeLen + 1] = Lo(pField[3]); |
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| 897 | BAsmCode[CodeLen + 2] = Hi(pField[2]); |
||
| 898 | BAsmCode[CodeLen + 3] = Lo(pField[2]); |
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| 899 | BAsmCode[CodeLen + 4] = Hi(pField[1]); |
||
| 900 | BAsmCode[CodeLen + 5] = Lo(pField[1]); |
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| 901 | BAsmCode[CodeLen + 6] = Hi(pField[0]); |
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| 902 | BAsmCode[CodeLen + 7] = Lo(pField[0]); |
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| 903 | } |
||
| 904 | else |
||
| 905 | { |
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| 906 | BAsmCode[CodeLen ] = Lo(pField[0]); |
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| 907 | BAsmCode[CodeLen + 1] = Hi(pField[0]); |
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| 908 | BAsmCode[CodeLen + 2] = Lo(pField[1]); |
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| 909 | BAsmCode[CodeLen + 3] = Hi(pField[1]); |
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| 910 | BAsmCode[CodeLen + 4] = Lo(pField[2]); |
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| 911 | BAsmCode[CodeLen + 5] = Hi(pField[2]); |
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| 912 | BAsmCode[CodeLen + 6] = Lo(pField[3]); |
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| 913 | BAsmCode[CodeLen + 7] = Hi(pField[3]); |
||
| 914 | } |
||
| 915 | } |
||
| 916 | else |
||
| 917 | { |
||
| 918 | WAsmCode[(CodeLen >> 1) ] = pField[3]; |
||
| 919 | WAsmCode[(CodeLen >> 1) + 1] = pField[2]; |
||
| 920 | WAsmCode[(CodeLen >> 1) + 2] = pField[1]; |
||
| 921 | WAsmCode[(CodeLen >> 1) + 3] = pField[0]; |
||
| 922 | } |
||
| 923 | CodeLen += 8; |
||
| 924 | } |
||
| 925 | |||
| 926 | static void EnterIEEE10(Word *pField, Boolean BigEndian) |
||
| 927 | { |
||
| 928 | if (ListGran() == 1) |
||
| 929 | { |
||
| 930 | if (BigEndian) |
||
| 931 | { |
||
| 932 | BAsmCode[CodeLen ] = Hi(pField[4]); |
||
| 933 | BAsmCode[CodeLen + 1] = Lo(pField[4]); |
||
| 934 | BAsmCode[CodeLen + 2] = 0; |
||
| 935 | BAsmCode[CodeLen + 3] = 0; |
||
| 936 | BAsmCode[CodeLen + 4] = Hi(pField[3]); |
||
| 937 | BAsmCode[CodeLen + 5] = Lo(pField[3]); |
||
| 938 | BAsmCode[CodeLen + 6] = Hi(pField[2]); |
||
| 939 | BAsmCode[CodeLen + 7] = Lo(pField[2]); |
||
| 940 | BAsmCode[CodeLen + 8] = Hi(pField[1]); |
||
| 941 | BAsmCode[CodeLen + 9] = Lo(pField[1]); |
||
| 942 | BAsmCode[CodeLen +10] = Hi(pField[0]); |
||
| 943 | BAsmCode[CodeLen +11] = Lo(pField[0]); |
||
| 944 | } |
||
| 945 | else |
||
| 946 | { |
||
| 947 | BAsmCode[CodeLen ] = Lo(pField[0]); |
||
| 948 | BAsmCode[CodeLen + 1] = Hi(pField[0]); |
||
| 949 | BAsmCode[CodeLen + 2] = Lo(pField[1]); |
||
| 950 | BAsmCode[CodeLen + 3] = Hi(pField[1]); |
||
| 951 | BAsmCode[CodeLen + 4] = Lo(pField[2]); |
||
| 952 | BAsmCode[CodeLen + 5] = Hi(pField[2]); |
||
| 953 | BAsmCode[CodeLen + 6] = Lo(pField[3]); |
||
| 954 | BAsmCode[CodeLen + 7] = Hi(pField[3]); |
||
| 955 | BAsmCode[CodeLen + 8] = 0; |
||
| 956 | BAsmCode[CodeLen + 9] = 0; |
||
| 957 | BAsmCode[CodeLen +10] = Lo(pField[4]); |
||
| 958 | BAsmCode[CodeLen +11] = Hi(pField[4]); |
||
| 959 | } |
||
| 960 | } |
||
| 961 | else |
||
| 962 | { |
||
| 963 | WAsmCode[(CodeLen >> 1) ] = pField[4]; |
||
| 964 | WAsmCode[(CodeLen >> 1) + 1] = 0; |
||
| 965 | WAsmCode[(CodeLen >> 1) + 2] = pField[3]; |
||
| 966 | WAsmCode[(CodeLen >> 1) + 3] = pField[2]; |
||
| 967 | WAsmCode[(CodeLen >> 1) + 4] = pField[1]; |
||
| 968 | WAsmCode[(CodeLen >> 1) + 5] = pField[0]; |
||
| 969 | } |
||
| 970 | CodeLen += 12; |
||
| 971 | } |
||
| 972 | |||
| 973 | static void EnterMotoFloatDec(Word *pField, Boolean BigEndian) |
||
| 974 | { |
||
| 975 | if (ListGran() == 1) |
||
| 976 | { |
||
| 977 | if (BigEndian) |
||
| 978 | { |
||
| 979 | BAsmCode[CodeLen ] = Hi(pField[5]); |
||
| 980 | BAsmCode[CodeLen + 1] = Lo(pField[5]); |
||
| 981 | BAsmCode[CodeLen + 2] = Hi(pField[4]); |
||
| 982 | BAsmCode[CodeLen + 3] = Lo(pField[4]); |
||
| 983 | BAsmCode[CodeLen + 4] = Hi(pField[3]); |
||
| 984 | BAsmCode[CodeLen + 5] = Lo(pField[3]); |
||
| 985 | BAsmCode[CodeLen + 6] = Hi(pField[2]); |
||
| 986 | BAsmCode[CodeLen + 7] = Lo(pField[2]); |
||
| 987 | BAsmCode[CodeLen + 8] = Hi(pField[1]); |
||
| 988 | BAsmCode[CodeLen + 9] = Lo(pField[1]); |
||
| 989 | BAsmCode[CodeLen +10] = Hi(pField[0]); |
||
| 990 | BAsmCode[CodeLen +11] = Lo(pField[0]); |
||
| 991 | } |
||
| 992 | else |
||
| 993 | { |
||
| 994 | BAsmCode[CodeLen ] = Lo(pField[0]); |
||
| 995 | BAsmCode[CodeLen + 1] = Hi(pField[0]); |
||
| 996 | BAsmCode[CodeLen + 2] = Lo(pField[1]); |
||
| 997 | BAsmCode[CodeLen + 3] = Hi(pField[1]); |
||
| 998 | BAsmCode[CodeLen + 4] = Lo(pField[2]); |
||
| 999 | BAsmCode[CodeLen + 5] = Hi(pField[2]); |
||
| 1000 | BAsmCode[CodeLen + 6] = Lo(pField[3]); |
||
| 1001 | BAsmCode[CodeLen + 7] = Hi(pField[3]); |
||
| 1002 | BAsmCode[CodeLen + 8] = Lo(pField[4]); |
||
| 1003 | BAsmCode[CodeLen + 9] = Hi(pField[4]); |
||
| 1004 | BAsmCode[CodeLen +10] = Lo(pField[5]); |
||
| 1005 | BAsmCode[CodeLen +11] = Hi(pField[5]); |
||
| 1006 | } |
||
| 1007 | } |
||
| 1008 | else |
||
| 1009 | { |
||
| 1010 | if (BigEndian) |
||
| 1011 | { |
||
| 1012 | WAsmCode[(CodeLen >> 1) ] = pField[5]; |
||
| 1013 | WAsmCode[(CodeLen >> 1) + 1] = pField[4]; |
||
| 1014 | WAsmCode[(CodeLen >> 1) + 2] = pField[3]; |
||
| 1015 | WAsmCode[(CodeLen >> 1) + 3] = pField[2]; |
||
| 1016 | WAsmCode[(CodeLen >> 1) + 4] = pField[1]; |
||
| 1017 | WAsmCode[(CodeLen >> 1) + 5] = pField[0]; |
||
| 1018 | } |
||
| 1019 | else |
||
| 1020 | { |
||
| 1021 | WAsmCode[(CodeLen >> 1) ] = pField[0]; |
||
| 1022 | WAsmCode[(CodeLen >> 1) + 1] = pField[1]; |
||
| 1023 | WAsmCode[(CodeLen >> 1) + 2] = pField[2]; |
||
| 1024 | WAsmCode[(CodeLen >> 1) + 3] = pField[3]; |
||
| 1025 | WAsmCode[(CodeLen >> 1) + 4] = pField[4]; |
||
| 1026 | WAsmCode[(CodeLen >> 1) + 5] = pField[5]; |
||
| 1027 | } |
||
| 1028 | } |
||
| 1029 | CodeLen += 12; |
||
| 1030 | } |
||
| 1031 | |||
| 1032 | void AddMoto16PseudoONOFF(Boolean default_padding_value) |
||
| 1033 | { |
||
| 1034 | SetFlag(&DoPadding, DoPaddingName, default_padding_value); |
||
| 1035 | AddONOFF(DoPaddingName, &DoPadding, DoPaddingName, False); |
||
| 1036 | } |
||
| 1037 | |||
| 1038 | /*!------------------------------------------------------------------------ |
||
| 1039 | * \fn GetWSize(tSymbolSize OpSize) |
||
| 1040 | * \brief return size in bytes of data type |
||
| 1041 | * \param OpSize data type |
||
| 1042 | * \return size in bytes |
||
| 1043 | * ------------------------------------------------------------------------ */ |
||
| 1044 | |||
| 1045 | static Word GetWSize(tSymbolSize OpSize) |
||
| 1046 | { |
||
| 1047 | switch (OpSize) |
||
| 1048 | { |
||
| 1049 | case eSymbolSize8Bit: |
||
| 1050 | return 1; |
||
| 1051 | case eSymbolSize16Bit: |
||
| 1052 | return 2; |
||
| 1053 | case eSymbolSize24Bit: |
||
| 1054 | return 3; |
||
| 1055 | case eSymbolSize32Bit: |
||
| 1056 | return 4; |
||
| 1057 | case eSymbolSize64Bit: |
||
| 1058 | return 8; |
||
| 1059 | case eSymbolSizeFloat32Bit: |
||
| 1060 | return 4; |
||
| 1061 | case eSymbolSizeFloat64Bit: |
||
| 1062 | return 8; |
||
| 1063 | |||
| 1064 | /* NOTE: as_float_2_ieee10() creates 10 bytes, but WSize is set to 12 (two |
||
| 1065 | padding bytes in binary representation). This means that WSwap() will |
||
| 1066 | swap 12 instead of 10 bytes, which doesn't hurt, since TurnField is |
||
| 1067 | large enough and the two (garbage) bytes at the end will not be used |
||
| 1068 | by EnterIEEE10() anyway: */ |
||
| 1069 | |||
| 1070 | case eSymbolSizeFloat96Bit: |
||
| 1071 | return 12; |
||
| 1072 | case eSymbolSizeFloatDec96Bit: |
||
| 1073 | return 12; |
||
| 1074 | case eSymbolSizeFloat16Bit: |
||
| 1075 | return 2; |
||
| 1076 | default: |
||
| 1077 | return 0; |
||
| 1078 | } |
||
| 1079 | } |
||
| 1080 | |||
| 1081 | /*!------------------------------------------------------------------------ |
||
| 1082 | * \fn DecodeMotoDC(Word flags) |
||
| 1083 | * \brief decode DC.x instruction |
||
| 1084 | * \param flags control flags |
||
| 1085 | * ------------------------------------------------------------------------ */ |
||
| 1086 | |||
| 1087 | void DecodeMotoDC(Word flags) |
||
| 1088 | { |
||
| 1089 | tSymbolSize OpSize = (AttrPartOpSize[0] == eSymbolSizeUnknown) ? eSymbolSize16Bit : AttrPartOpSize[0]; |
||
| 1090 | Boolean BigEndian = !!(flags & e_moto_pseudo_flags_be); |
||
| 1091 | ShortInt SpaceFlag; |
||
| 1092 | tStrComp *pArg, Arg; |
||
| 1093 | LongInt z2, WSize, Rep = 0; |
||
| 1094 | char *zp; |
||
| 1095 | Boolean OK; |
||
| 1096 | TempResult t; |
||
| 1097 | tSymbolFlags Flags; |
||
| 1098 | void (*EnterInt)(LargeWord, Boolean) = NULL; |
||
| 1099 | int (*ConvertFloat)(as_float_t, Byte*, Boolean) = NULL; |
||
| 1100 | void (*EnterFloat)(Word*, Boolean) = NULL; |
||
| 1101 | void (*Swap)(void*, int) = NULL; |
||
| 1102 | IntType IntTypeEnum = UInt1; |
||
| 1103 | Boolean PadBeforeStart = Odd(EProgCounter()) && DoPadding && (OpSize != eSymbolSize8Bit); |
||
| 1104 | |||
| 1105 | as_tempres_ini(&t); |
||
| 1106 | if (*LabPart.str.p_str) |
||
| 1107 | SetSymbolOrStructElemSize(&LabPart, OpSize); |
||
| 1108 | |||
| 1109 | if (!ChkArgCnt(1, ArgCntMax)) |
||
| 1110 | LEAVE; |
||
| 1111 | |||
| 1112 | if (OpSize < 0) |
||
| 1113 | OpSize = eSymbolSize16Bit; |
||
| 1114 | |||
| 1115 | WSize = GetWSize(OpSize); |
||
| 1116 | switch (OpSize) |
||
| 1117 | { |
||
| 1118 | case eSymbolSize8Bit: |
||
| 1119 | EnterInt = EnterByte; |
||
| 1120 | IntTypeEnum = Int8; |
||
| 1121 | break; |
||
| 1122 | case eSymbolSize16Bit: |
||
| 1123 | EnterInt = EnterWord; |
||
| 1124 | IntTypeEnum = Int16; |
||
| 1125 | break; |
||
| 1126 | case eSymbolSize24Bit: |
||
| 1127 | EnterInt = EnterPointer; |
||
| 1128 | IntTypeEnum = Int24; |
||
| 1129 | break; |
||
| 1130 | case eSymbolSize32Bit: |
||
| 1131 | EnterInt = EnterLWord; |
||
| 1132 | IntTypeEnum = Int32; |
||
| 1133 | break; |
||
| 1134 | case eSymbolSize64Bit: |
||
| 1135 | EnterInt = EnterQWord; |
||
| 1136 | #ifdef HAS64 |
||
| 1137 | IntTypeEnum = Int64; |
||
| 1138 | #else |
||
| 1139 | IntTypeEnum = Int32; |
||
| 1140 | #endif |
||
| 1141 | break; |
||
| 1142 | case eSymbolSizeFloat16Bit: |
||
| 1143 | ConvertFloat = as_float_2_ieee2; |
||
| 1144 | EnterFloat = EnterIEEE2; |
||
| 1145 | Swap = NULL; |
||
| 1146 | break; |
||
| 1147 | case eSymbolSizeFloat32Bit: |
||
| 1148 | ConvertFloat = as_float_2_ieee4; |
||
| 1149 | EnterFloat = EnterIEEE4; |
||
| 1150 | Swap = DWSwap; |
||
| 1151 | break; |
||
| 1152 | case eSymbolSizeFloat64Bit: |
||
| 1153 | ConvertFloat = as_float_2_ieee8; |
||
| 1154 | EnterFloat = EnterIEEE8; |
||
| 1155 | Swap = QWSwap; |
||
| 1156 | break; |
||
| 1157 | |||
| 1158 | /* NOTE: as_float_2_ieee10() creates 10 bytes, but WSize is set to 12 (two |
||
| 1159 | padding bytes in binary representation). This means that WSwap() will |
||
| 1160 | swap 12 instead of 10 bytes, which doesn't hurt, since TurnField is |
||
| 1161 | large enough and the two (garbage) bytes at the end will not be used |
||
| 1162 | by EnterIEEE10() anyway: */ |
||
| 1163 | |||
| 1164 | case eSymbolSizeFloat96Bit: |
||
| 1165 | ConvertFloat = as_float_2_ieee10; |
||
| 1166 | EnterFloat = EnterIEEE10; |
||
| 1167 | Swap = TWSwap; |
||
| 1168 | break; |
||
| 1169 | case eSymbolSizeFloatDec96Bit: |
||
| 1170 | ConvertFloat = ConvertMotoFloatDec; |
||
| 1171 | EnterFloat = EnterMotoFloatDec; |
||
| 1172 | break; |
||
| 1173 | default: |
||
| 1174 | break; |
||
| 1175 | } |
||
| 1176 | |||
| 1177 | OK = True; |
||
| 1178 | SpaceFlag = -1; |
||
| 1179 | |||
| 1180 | forallargs (pArg, OK) |
||
| 1181 | { |
||
| 1182 | if (!*pArg->str.p_str) |
||
| 1183 | { |
||
| 1184 | OK = FALSE; |
||
| 1185 | WrError(ErrNum_EmptyArgument); |
||
| 1186 | break; |
||
| 1187 | } |
||
| 1188 | |||
| 1189 | OK = CutRep(&Arg, pArg, &Rep, &Flags); |
||
| 1190 | if (!OK) |
||
| 1191 | break; |
||
| 1192 | if (mFirstPassUnknown(Flags)) |
||
| 1193 | { |
||
| 1194 | OK = FALSE; |
||
| 1195 | WrError(ErrNum_FirstPassCalc); |
||
| 1196 | break; |
||
| 1197 | } |
||
| 1198 | |||
| 1199 | if (!strcmp(Arg.str.p_str, "?")) |
||
| 1200 | { |
||
| 1201 | if (SpaceFlag == 0) |
||
| 1202 | { |
||
| 1203 | WrError(ErrNum_MixDBDS); |
||
| 1204 | OK = FALSE; |
||
| 1205 | } |
||
| 1206 | else |
||
| 1207 | { |
||
| 1208 | if (PadBeforeStart) |
||
| 1209 | { |
||
| 1210 | InsertPadding(1, True); |
||
| 1211 | PadBeforeStart = False; |
||
| 1212 | } |
||
| 1213 | |||
| 1214 | SpaceFlag = 1; |
||
| 1215 | CodeLen += (Rep * WSize); |
||
| 1216 | } |
||
| 1217 | } |
||
| 1218 | else if (SpaceFlag == 1) |
||
| 1219 | { |
||
| 1220 | WrError(ErrNum_MixDBDS); |
||
| 1221 | OK = FALSE; |
||
| 1222 | } |
||
| 1223 | else |
||
| 1224 | { |
||
| 1225 | SpaceFlag = 0; |
||
| 1226 | |||
| 1227 | if (PadBeforeStart) |
||
| 1228 | { |
||
| 1229 | InsertPadding(1, False); |
||
| 1230 | PadBeforeStart = False; |
||
| 1231 | } |
||
| 1232 | |||
| 1233 | EvalStrExpression(&Arg, &t); |
||
| 1234 | |||
| 1235 | switch (t.Typ) |
||
| 1236 | { |
||
| 1237 | case TempInt: |
||
| 1238 | ToInt: |
||
| 1239 | if (!EnterInt) |
||
| 1240 | { |
||
| 1241 | if (ConvertFloat && EnterFloat) |
||
| 1242 | { |
||
| 1243 | TempResultToFloat(&t); |
||
| 1244 | goto HandleFloat; |
||
| 1245 | } |
||
| 1246 | else |
||
| 1247 | { |
||
| 1248 | WrStrErrorPos(ErrNum_StringOrIntButFloat, pArg); |
||
| 1249 | OK = False; |
||
| 1250 | } |
||
| 1251 | } |
||
| 1252 | else if (!mFirstPassUnknownOrQuestionable(t.Flags) && !RangeCheck(t.Contents.Int, IntTypeEnum)) |
||
| 1253 | { |
||
| 1254 | WrError(ErrNum_OverRange); |
||
| 1255 | OK = False; |
||
| 1256 | } |
||
| 1257 | else if (SetMaxCodeLen(CodeLen + (Rep * WSize))) |
||
| 1258 | { |
||
| 1259 | WrError(ErrNum_CodeOverflow); |
||
| 1260 | OK = False; |
||
| 1261 | } |
||
| 1262 | else |
||
| 1263 | for (z2 = 0; z2 < Rep; z2++) |
||
| 1264 | EnterInt(t.Contents.Int, BigEndian); |
||
| 1265 | break; |
||
| 1266 | HandleFloat: |
||
| 1267 | case TempFloat: |
||
| 1268 | if (!ConvertFloat || !EnterFloat) |
||
| 1269 | { |
||
| 1270 | WrStrErrorPos(ErrNum_StringOrIntButFloat, pArg); |
||
| 1271 | OK = False; |
||
| 1272 | } |
||
| 1273 | else if (SetMaxCodeLen(CodeLen + (Rep * WSize))) |
||
| 1274 | { |
||
| 1275 | WrError(ErrNum_CodeOverflow); |
||
| 1276 | OK = False; |
||
| 1277 | } |
||
| 1278 | else |
||
| 1279 | { |
||
| 1280 | Word TurnField[8]; |
||
| 1281 | int ret; |
||
| 1282 | |||
| 1283 | if ((ret = ConvertFloat(t.Contents.Float, (Byte *) TurnField, HostBigEndian)) < 0) |
||
| 1284 | { |
||
| 1285 | asmerr_check_fp_dispose_result(ret, pArg); |
||
| 1286 | OK = False; |
||
| 1287 | } |
||
| 1288 | else |
||
| 1289 | { |
||
| 1290 | if (HostBigEndian && Swap) |
||
| 1291 | Swap((void*) TurnField, WSize); |
||
| 1292 | for (z2 = 0; z2 < Rep; z2++) |
||
| 1293 | EnterFloat(TurnField, BigEndian); |
||
| 1294 | } |
||
| 1295 | } |
||
| 1296 | break; |
||
| 1297 | case TempString: |
||
| 1298 | if (MultiCharToInt(&t, (WSize < 8) ? WSize : 8)) |
||
| 1299 | goto ToInt; |
||
| 1300 | if (as_chartrans_xlate_nonz_dynstr(CurrTransTable->p_table, &t.Contents.str, &Arg)) { } |
||
| 1301 | else if (!EnterInt) |
||
| 1302 | { |
||
| 1303 | if (ConvertFloat && EnterFloat) |
||
| 1304 | { |
||
| 1305 | if (SetMaxCodeLen(CodeLen + (Rep * WSize * t.Contents.str.len))) |
||
| 1306 | { |
||
| 1307 | WrError(ErrNum_CodeOverflow); |
||
| 1308 | OK = False; |
||
| 1309 | } |
||
| 1310 | else |
||
| 1311 | { |
||
| 1312 | for (z2 = 0; z2 < Rep; z2++) |
||
| 1313 | for (zp = t.Contents.str.p_str; zp < t.Contents.str.p_str + t.Contents.str.len; zp++) |
||
| 1314 | { |
||
| 1315 | Word TurnField[8]; |
||
| 1316 | |||
| 1317 | ConvertFloat((usint) (*zp & 0xff), (Byte *) TurnField, HostBigEndian); |
||
| 1318 | if (HostBigEndian && Swap) |
||
| 1319 | Swap((void*) TurnField, WSize); |
||
| 1320 | EnterFloat(TurnField, BigEndian); |
||
| 1321 | } |
||
| 1322 | } |
||
| 1323 | } |
||
| 1324 | else |
||
| 1325 | { |
||
| 1326 | WrError(ErrNum_FloatButString); |
||
| 1327 | OK = False; |
||
| 1328 | } |
||
| 1329 | } |
||
| 1330 | else if (SetMaxCodeLen(CodeLen + Rep * t.Contents.str.len)) |
||
| 1331 | { |
||
| 1332 | WrError(ErrNum_CodeOverflow); |
||
| 1333 | OK = False; |
||
| 1334 | } |
||
| 1335 | else |
||
| 1336 | for (z2 = 0; z2 < Rep; z2++) |
||
| 1337 | for (zp = t.Contents.str.p_str; zp < t.Contents.str.p_str + t.Contents.str.len; EnterInt(((usint) *(zp++)) & 0xff, BigEndian)); |
||
| 1338 | break; |
||
| 1339 | case TempNone: |
||
| 1340 | OK = False; |
||
| 1341 | break; |
||
| 1342 | default: |
||
| 1343 | assert(0); |
||
| 1344 | } |
||
| 1345 | |||
| 1346 | } |
||
| 1347 | } |
||
| 1348 | |||
| 1349 | /* purge results if an error occured */ |
||
| 1350 | |||
| 1351 | if (!OK) CodeLen = 0; |
||
| 1352 | |||
| 1353 | /* just space reservation ? */ |
||
| 1354 | |||
| 1355 | else if (SpaceFlag == 1) |
||
| 1356 | DontPrint = True; |
||
| 1357 | |||
| 1358 | func_exit: |
||
| 1359 | as_tempres_free(&t); |
||
| 1360 | } |
||
| 1361 | |||
| 1362 | void DecodeMotoDS(Word flags) |
||
| 1363 | { |
||
| 1364 | tSymbolSize OpSize = (AttrPartOpSize[0] == eSymbolSizeUnknown) ? eSymbolSize16Bit : AttrPartOpSize[0]; |
||
| 1365 | Word WSize = GetWSize(OpSize); |
||
| 1366 | Boolean PadBeforeStart = Odd(EProgCounter()) && DoPadding && (OpSize != eSymbolSize8Bit); |
||
| 1367 | |||
| 1368 | UNUSED(flags); |
||
| 1369 | |||
| 1370 | if (ChkArgCnt(1, 1)) |
||
| 1371 | { |
||
| 1372 | Boolean ValOK; |
||
| 1373 | tSymbolFlags Flags; |
||
| 1374 | LongInt HVal = EvalStrIntExpressionWithFlags(&ArgStr[1], Int32, &ValOK, &Flags); |
||
| 1375 | |||
| 1376 | if (mFirstPassUnknown(Flags)) |
||
| 1377 | WrError(ErrNum_FirstPassCalc); |
||
| 1378 | if (ValOK && !mFirstPassUnknown(Flags)) |
||
| 1379 | { |
||
| 1380 | Boolean OddSize = (eSymbolSize8Bit == OpSize) || (eSymbolSize24Bit == OpSize); |
||
| 1381 | |||
| 1382 | if (PadBeforeStart) |
||
| 1383 | { |
||
| 1384 | InsertPadding(1, True); |
||
| 1385 | PadBeforeStart = False; |
||
| 1386 | } |
||
| 1387 | |||
| 1388 | DontPrint = True; |
||
| 1389 | |||
| 1390 | /* value of 0 means aligning the PC. Doesn't make sense for bytes and 24 bit values */ |
||
| 1391 | |||
| 1392 | if ((HVal == 0) && !OddSize) |
||
| 1393 | { |
||
| 1394 | LongWord NewPC = EProgCounter() + WSize - 1; |
||
| 1395 | NewPC -= NewPC % WSize; |
||
| 1396 | CodeLen = NewPC - EProgCounter(); |
||
| 1397 | if (CodeLen == 0) |
||
| 1398 | { |
||
| 1399 | DontPrint = False; |
||
| 1400 | if (WSize == 1) |
||
| 1401 | WrError(ErrNum_NullResMem); |
||
| 1402 | } |
||
| 1403 | } |
||
| 1404 | else |
||
| 1405 | CodeLen = HVal * WSize; |
||
| 1406 | if (DontPrint) |
||
| 1407 | BookKeeping(); |
||
| 1408 | } |
||
| 1409 | } |
||
| 1410 | if (*LabPart.str.p_str) |
||
| 1411 | SetSymbolOrStructElemSize(&LabPart, OpSize); |
||
| 1412 | } |
||
| 1413 | |||
| 1414 | /*!------------------------------------------------------------------------ |
||
| 1415 | * \fn AddMoto16Pseudo(struct sInstTable *p_inst_table, moto_pseudo_flags_t flags) |
||
| 1416 | * \brief add 16 bit Motorola style pseudo instructions to hash table |
||
| 1417 | * \param p_inst_table instruction table to augment |
||
| 1418 | * \param flags BE/LE flag |
||
| 1419 | * ------------------------------------------------------------------------ */ |
||
| 1420 | |||
| 1421 | void AddMoto16Pseudo(struct sInstTable *p_inst_table, moto_pseudo_flags_t flags) |
||
| 1422 | { |
||
| 1423 | AddInstTable(p_inst_table, "DC", flags, DecodeMotoDC); |
||
| 1424 | AddInstTable(p_inst_table, "DS", flags, DecodeMotoDS); |
||
| 1425 | } |
||
| 1426 | |||
| 1427 | static Boolean DecodeMoto16AttrSizeCore(char SizeSpec, tSymbolSize *pResult, Boolean Allow24) |
||
| 1428 | { |
||
| 1429 | switch (as_toupper(SizeSpec)) |
||
| 1430 | { |
||
| 1431 | case 'B': *pResult = eSymbolSize8Bit; break; |
||
| 1432 | case 'W': *pResult = eSymbolSize16Bit; break; |
||
| 1433 | case 'L': *pResult = eSymbolSize32Bit; break; |
||
| 1434 | case 'Q': *pResult = eSymbolSize64Bit; break; |
||
| 1435 | case 'S': *pResult = eSymbolSizeFloat32Bit; break; |
||
| 1436 | case 'D': *pResult = eSymbolSizeFloat64Bit; break; |
||
| 1437 | case 'X': *pResult = eSymbolSizeFloat96Bit; break; |
||
| 1438 | case 'C': *pResult = eSymbolSizeFloat16Bit; break; |
||
| 1439 | case 'P': *pResult = Allow24 ? eSymbolSize24Bit : eSymbolSizeFloatDec96Bit; break; |
||
| 1440 | case '\0': break; |
||
| 1441 | default: |
||
| 1442 | return False; |
||
| 1443 | } |
||
| 1444 | return True; |
||
| 1445 | } |
||
| 1446 | |||
| 1447 | /*!------------------------------------------------------------------------ |
||
| 1448 | * \fn DecodeMoto16AttrSize(char SizeSpec, tSymbolSize *pResult, Boolean Allow24) |
||
| 1449 | * \brief decode Motorola-style operand size character |
||
| 1450 | * \param SizeSpec size specifier character |
||
| 1451 | * \param pResult returns result size |
||
| 1452 | * \param Allow24 allow 'p' as specifier for 24 Bits (S12Z-specific) |
||
| 1453 | * \return True if decoded |
||
| 1454 | * ------------------------------------------------------------------------ */ |
||
| 1455 | |||
| 1456 | Boolean DecodeMoto16AttrSize(char SizeSpec, tSymbolSize *pResult, Boolean Allow24) |
||
| 1457 | { |
||
| 1458 | if (!DecodeMoto16AttrSizeCore(SizeSpec, pResult, Allow24)) |
||
| 1459 | { |
||
| 1460 | WrError(ErrNum_UndefAttr); |
||
| 1461 | return False; |
||
| 1462 | } |
||
| 1463 | return True; |
||
| 1464 | } |
||
| 1465 | |||
| 1466 | Boolean DecodeMoto16AttrSizeStr(const struct sStrComp *pSizeSpec, tSymbolSize *pResult, Boolean Allow24) |
||
| 1467 | { |
||
| 1468 | if ((strlen(pSizeSpec->str.p_str) > 1) |
||
| 1469 | || !DecodeMoto16AttrSizeCore(*pSizeSpec->str.p_str, pResult, Allow24)) |
||
| 1470 | { |
||
| 1471 | WrStrErrorPos(ErrNum_UndefAttr, pSizeSpec); |
||
| 1472 | return False; |
||
| 1473 | } |
||
| 1474 | return True; |
||
| 1475 | } |