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DOSBox-X
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DOSBox-X
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00001 /* 00002 * Copyright (C) 2002-2020 The DOSBox Team 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License along 00015 * with this program; if not, write to the Free Software Foundation, Inc., 00016 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00017 */ 00018 00019 typedef PhysPt (*EA_LookupHandler)(void); 00020 00021 /* The MOD/RM Decoder for EA for this decoder's addressing modes */ 00022 static PhysPt EA_16_00_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx+(Bit16s)reg_si))); } 00023 static PhysPt EA_16_01_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx+(Bit16s)reg_di))); } 00024 static PhysPt EA_16_02_n(void) { return BaseSS+(last_ea86_offset=((Bit16u)(reg_bp+(Bit16s)reg_si))); } 00025 static PhysPt EA_16_03_n(void) { return BaseSS+(last_ea86_offset=((Bit16u)(reg_bp+(Bit16s)reg_di))); } 00026 static PhysPt EA_16_04_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_si))); } 00027 static PhysPt EA_16_05_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_di))); } 00028 static PhysPt EA_16_06_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(Fetchw())));} 00029 static PhysPt EA_16_07_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx))); } 00030 00031 static PhysPt EA_16_40_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx+(Bit16s)reg_si+Fetchbs()))); } 00032 static PhysPt EA_16_41_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx+(Bit16s)reg_di+Fetchbs()))); } 00033 static PhysPt EA_16_42_n(void) { return BaseSS+(last_ea86_offset=((Bit16u)(reg_bp+(Bit16s)reg_si+Fetchbs()))); } 00034 static PhysPt EA_16_43_n(void) { return BaseSS+(last_ea86_offset=((Bit16u)(reg_bp+(Bit16s)reg_di+Fetchbs()))); } 00035 static PhysPt EA_16_44_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_si+Fetchbs()))); } 00036 static PhysPt EA_16_45_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_di+Fetchbs()))); } 00037 static PhysPt EA_16_46_n(void) { return BaseSS+(last_ea86_offset=((Bit16u)(reg_bp+Fetchbs()))); } 00038 static PhysPt EA_16_47_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx+Fetchbs()))); } 00039 00040 static PhysPt EA_16_80_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx+(Bit16s)reg_si+Fetchws()))); } 00041 static PhysPt EA_16_81_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx+(Bit16s)reg_di+Fetchws()))); } 00042 static PhysPt EA_16_82_n(void) { return BaseSS+(last_ea86_offset=((Bit16u)(reg_bp+(Bit16s)reg_si+Fetchws()))); } 00043 static PhysPt EA_16_83_n(void) { return BaseSS+(last_ea86_offset=((Bit16u)(reg_bp+(Bit16s)reg_di+Fetchws()))); } 00044 static PhysPt EA_16_84_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_si+Fetchws()))); } 00045 static PhysPt EA_16_85_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_di+Fetchws()))); } 00046 static PhysPt EA_16_86_n(void) { return BaseSS+(last_ea86_offset=((Bit16u)(reg_bp+Fetchws()))); } 00047 static PhysPt EA_16_87_n(void) { return BaseDS+(last_ea86_offset=((Bit16u)(reg_bx+Fetchws()))); } 00048 00049 static GetEAHandler EATable[512]={ 00050 /* 00 */ 00051 EA_16_00_n,EA_16_01_n,EA_16_02_n,EA_16_03_n,EA_16_04_n,EA_16_05_n,EA_16_06_n,EA_16_07_n, 00052 EA_16_00_n,EA_16_01_n,EA_16_02_n,EA_16_03_n,EA_16_04_n,EA_16_05_n,EA_16_06_n,EA_16_07_n, 00053 EA_16_00_n,EA_16_01_n,EA_16_02_n,EA_16_03_n,EA_16_04_n,EA_16_05_n,EA_16_06_n,EA_16_07_n, 00054 EA_16_00_n,EA_16_01_n,EA_16_02_n,EA_16_03_n,EA_16_04_n,EA_16_05_n,EA_16_06_n,EA_16_07_n, 00055 EA_16_00_n,EA_16_01_n,EA_16_02_n,EA_16_03_n,EA_16_04_n,EA_16_05_n,EA_16_06_n,EA_16_07_n, 00056 EA_16_00_n,EA_16_01_n,EA_16_02_n,EA_16_03_n,EA_16_04_n,EA_16_05_n,EA_16_06_n,EA_16_07_n, 00057 EA_16_00_n,EA_16_01_n,EA_16_02_n,EA_16_03_n,EA_16_04_n,EA_16_05_n,EA_16_06_n,EA_16_07_n, 00058 EA_16_00_n,EA_16_01_n,EA_16_02_n,EA_16_03_n,EA_16_04_n,EA_16_05_n,EA_16_06_n,EA_16_07_n, 00059 /* 01 */ 00060 EA_16_40_n,EA_16_41_n,EA_16_42_n,EA_16_43_n,EA_16_44_n,EA_16_45_n,EA_16_46_n,EA_16_47_n, 00061 EA_16_40_n,EA_16_41_n,EA_16_42_n,EA_16_43_n,EA_16_44_n,EA_16_45_n,EA_16_46_n,EA_16_47_n, 00062 EA_16_40_n,EA_16_41_n,EA_16_42_n,EA_16_43_n,EA_16_44_n,EA_16_45_n,EA_16_46_n,EA_16_47_n, 00063 EA_16_40_n,EA_16_41_n,EA_16_42_n,EA_16_43_n,EA_16_44_n,EA_16_45_n,EA_16_46_n,EA_16_47_n, 00064 EA_16_40_n,EA_16_41_n,EA_16_42_n,EA_16_43_n,EA_16_44_n,EA_16_45_n,EA_16_46_n,EA_16_47_n, 00065 EA_16_40_n,EA_16_41_n,EA_16_42_n,EA_16_43_n,EA_16_44_n,EA_16_45_n,EA_16_46_n,EA_16_47_n, 00066 EA_16_40_n,EA_16_41_n,EA_16_42_n,EA_16_43_n,EA_16_44_n,EA_16_45_n,EA_16_46_n,EA_16_47_n, 00067 EA_16_40_n,EA_16_41_n,EA_16_42_n,EA_16_43_n,EA_16_44_n,EA_16_45_n,EA_16_46_n,EA_16_47_n, 00068 /* 10 */ 00069 EA_16_80_n,EA_16_81_n,EA_16_82_n,EA_16_83_n,EA_16_84_n,EA_16_85_n,EA_16_86_n,EA_16_87_n, 00070 EA_16_80_n,EA_16_81_n,EA_16_82_n,EA_16_83_n,EA_16_84_n,EA_16_85_n,EA_16_86_n,EA_16_87_n, 00071 EA_16_80_n,EA_16_81_n,EA_16_82_n,EA_16_83_n,EA_16_84_n,EA_16_85_n,EA_16_86_n,EA_16_87_n, 00072 EA_16_80_n,EA_16_81_n,EA_16_82_n,EA_16_83_n,EA_16_84_n,EA_16_85_n,EA_16_86_n,EA_16_87_n, 00073 EA_16_80_n,EA_16_81_n,EA_16_82_n,EA_16_83_n,EA_16_84_n,EA_16_85_n,EA_16_86_n,EA_16_87_n, 00074 EA_16_80_n,EA_16_81_n,EA_16_82_n,EA_16_83_n,EA_16_84_n,EA_16_85_n,EA_16_86_n,EA_16_87_n, 00075 EA_16_80_n,EA_16_81_n,EA_16_82_n,EA_16_83_n,EA_16_84_n,EA_16_85_n,EA_16_86_n,EA_16_87_n, 00076 EA_16_80_n,EA_16_81_n,EA_16_82_n,EA_16_83_n,EA_16_84_n,EA_16_85_n,EA_16_86_n,EA_16_87_n, 00077 /* 11 These are illegal so make em 0 */ 00078 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00079 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00080 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00081 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00082 /* 00 */ 00083 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00084 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00085 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00086 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00087 /* 01 */ 00088 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00089 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00090 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00091 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00092 /* 10 */ 00093 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00094 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00095 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00096 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00097 /* 11 These are illegal so make em 0 */ 00098 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00099 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00100 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 00101 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 00102 }; 00103 00104 #define GetEADirect(sz) \ 00105 PhysPt eaa; \ 00106 eaa=BaseDS+Fetchw(); \ 00107
1.8.0
