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Code Issues Releases Activity

add tons of tests

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bird_egop
2025-04-15 22:20:46 +03:00
parent abe4d38d4b
commit 2123ed2c5d
51 changed files with 1927 additions and 311 deletions
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4
X86Disassembler/X86/Handlers/Sub/SubAxImm16Handler.cs
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@ -47,9 +47,7 @@ public class SubAxImm16Handler : InstructionHandler
var immediate = Decoder.ReadUInt16();
// Create the destination register operand (AX)
// Note: Even though we're dealing with 16-bit operations (AX),
// the tests expect 32-bit register names (EAX) in the output
var destinationOperand = OperandFactory.CreateRegisterOperand(RegisterIndex.A, 32);
var destinationOperand = OperandFactory.CreateRegisterOperand(RegisterIndex.A, 16);
// Create the source immediate operand
var sourceOperand = OperandFactory.CreateImmediateOperand(immediate, 16);

46
X86Disassembler/X86/InstructionType.cs
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@ -10,6 +10,7 @@ public enum InstructionType
Push,
Pop,
Xchg,
Lea, // Load Effective Address
// Arithmetic
Add,
@ -46,7 +47,7 @@ public enum InstructionType
Bsr, // Bit scan reverse
// Control flow
Jmp,
Jmp, // Jump unconditionally
Je, // Jump if equal
Jne, // Jump if not equal
Jg, // Jump if greater
@ -63,14 +64,18 @@ public enum InstructionType
Jno, // Jump if not overflow
Js, // Jump if sign
Jns, // Jump if not sign
Jp, // Jump if parity (even)
Jnp, // Jump if not parity (odd)
Jcxz, // Jump if CX zero
Jecxz, // Jump if ECX zero
Loop, // Loop
Loope, // Loop if equal
Loopne, // Loop if not equal
Call,
Ret,
Call, // Call procedure
Ret, // Near return from procedure
Retf, // Far return from procedure
Int, // Interrupt
Int3, // Breakpoint interrupt
Into, // Interrupt if overflow
Iret, // Interrupt return
@ -122,6 +127,9 @@ public enum InstructionType
RepLodsB, // REP LODSB
RepLodsW, // REP LODSW
RepLodsD, // REP LODSD
RepneCmpsB, // REPNE CMPSB
RepneCmpsD, // REPNE CMPSD
RepneCmpsW, // REPNE CMPSW
// Floating point
Fld, // Load floating point value
@ -158,20 +166,33 @@ public enum InstructionType
Fisttp, // Store integer with truncation and pop
Fbld, // Load BCD
Fbstp, // Store BCD and pop
Fnstsw, // Store FPU status word
Fnstsw, // Store FPU status word without checking for pending unmasked exceptions
Fstsw, // Store FPU status word
Fnstcw, // Store FPU control word
Fldcw, // Load FPU control word
Fxam, // Examine floating point value
Finit, // Initialize FPU (with FWAIT prefix)
Fninit, // Initialize FPU without checking for pending unmasked exceptions
Fclex, // Clear floating-point exceptions
Finit, // Initialize floating-point unit
Fldenv, // Load FPU environment
Fnstenv, // Store FPU environment
Frstor, // Restore FPU state
// Flag control instructions
Stc, // Set Carry Flag
Clc, // Clear Carry Flag
Cmc, // Complement Carry Flag
Std, // Set Direction Flag
Cld, // Clear Direction Flag
Sti, // Set Interrupt Flag
Cli, // Clear Interrupt Flag
Sahf, // Store AH into Flags
Lahf, // Load Flags into AH
Fnsave, // Save FPU state
Fxch, // Exchange floating point registers
Fchs, // Change sign of floating point value
Fabs, // Absolute value of floating point
Ftst, // Test floating point
Fxam, // Examine floating point
F2xm1, // 2^x - 1
Fyl2x, // y * log2(x)
Fptan, // Partial tangent
@ -205,9 +226,20 @@ public enum InstructionType
Hlt, // Halt
Cpuid, // CPU identification
Rdtsc, // Read time-stamp counter
Wait, // Wait for FPU
Lock, // Lock prefix
In, // Input from port
Out, // Output to port
// Stack-related instructions
Pushad, // Push all general-purpose registers
Popad, // Pop all general-purpose registers
Pushfd, // Push EFLAGS register onto the stack
Popfd, // Pop stack into EFLAGS register
Enter, // Make stack frame for procedure parameters
Leave, // High level procedure exit
// Other
Lea, // Load effective address
Nop, // No operation
Cdq, // Convert doubleword to quadword
Cwde, // Convert word to doubleword