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Added support for DEC r32 instructions (0x48-0x4F) with tests

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bird_egop
2025-04-13 00:41:36 +03:00
parent 439b6576b7
commit 393aac5bf6
4 changed files with 140 additions and 0 deletions
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10
X86Disassembler/X86/OpcodeMap.cs
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@ -62,6 +62,16 @@ public static class OpcodeMap
OneByteOpcodes[0xC6] = "mov"; // MOV r/m8, imm8
OneByteOpcodes[0xC7] = "mov"; // MOV r/m32, imm32
// DEC instructions
OneByteOpcodes[0x48] = "dec"; // DEC EAX
OneByteOpcodes[0x49] = "dec"; // DEC ECX
OneByteOpcodes[0x4A] = "dec"; // DEC EDX
OneByteOpcodes[0x4B] = "dec"; // DEC EBX
OneByteOpcodes[0x4C] = "dec"; // DEC ESP
OneByteOpcodes[0x4D] = "dec"; // DEC EBP
OneByteOpcodes[0x4E] = "dec"; // DEC ESI
OneByteOpcodes[0x4F] = "dec"; // DEC EDI
// Group 1 instructions (ADD, OR, ADC, SBB, AND, SUB, XOR, CMP)
OneByteOpcodes[0x80] = "group1b";
OneByteOpcodes[0x81] = "group1d";