initial import
diff --git a/MCInst.c b/MCInst.c
new file mode 100644
index 0000000..1ec8f8a
--- /dev/null
+++ b/MCInst.c
@@ -0,0 +1,168 @@
+/* Capstone Disassembler Engine */
+/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "MCInst.h"
+#include "utils.h"
+
+void MCInst_Init(MCInst *inst)
+{
+ memset(inst, 0, sizeof(*inst));
+}
+
+void MCInst_clear(MCInst *inst)
+{
+ inst->size = 0;
+}
+
+void MCInst_insert(MCInst *inst, int index, MCOperand *Op)
+{
+ int i;
+
+ for(i = inst->size; i > index; i--)
+ //memcpy(&(inst->Operands[i]), &(inst->Operands[i-1]), sizeof(MCOperand));
+ inst->Operands[i] = inst->Operands[i-1];
+
+ inst->Operands[index] = *Op;
+ inst->size++;
+}
+
+void MCInst_setOpcode(MCInst *inst, unsigned Op)
+{
+ inst->Opcode = Op;
+}
+
+unsigned MCInst_getOpcode(const MCInst *inst)
+{
+ return inst->Opcode;
+}
+
+MCOperand *MCInst_getOperand(MCInst *inst, unsigned i)
+{
+ return &inst->Operands[i];
+}
+
+unsigned MCInst_getNumOperands(const MCInst *inst)
+{
+ return inst->size;
+}
+
+int MCInst_addOperand(MCInst *inst, MCOperand *Op)
+{
+ if (inst->size == ARR_SIZE(inst->Operands))
+ // full
+ return -1;
+
+ inst->Operands[inst->size] = *Op;
+ // FIXME
+ free(Op);
+
+ inst->size++;
+
+ return 0;
+}
+
+// This addOperand2 function doesnt free Op
+int MCInst_addOperand2(MCInst *inst, MCOperand *Op)
+{
+ if (inst->size == ARR_SIZE(inst->Operands))
+ // full
+ return -1;
+
+ inst->Operands[inst->size] = *Op;
+
+ inst->size++;
+
+ return 0;
+}
+
+void MCOperand_Init(MCOperand *op)
+{
+ op->Kind = kInvalid;
+ op->FPImmVal = 0.0;
+}
+
+bool MCOperand_isValid(const MCOperand *op)
+{
+ return op->Kind != kInvalid;
+}
+
+bool MCOperand_isReg(const MCOperand *op)
+{
+ return op->Kind == kRegister;
+}
+
+bool MCOperand_isImm(const MCOperand *op)
+{
+ return op->Kind == kImmediate;
+}
+
+bool MCOperand_isFPImm(const MCOperand *op)
+{
+ return op->Kind == kFPImmediate;
+}
+
+/// getReg - Returns the register number.
+unsigned MCOperand_getReg(const MCOperand *op)
+{
+ return op->RegVal;
+}
+
+/// setReg - Set the register number.
+void MCOperand_setReg(MCOperand *op, unsigned Reg)
+{
+ op->RegVal = Reg;
+}
+
+int64_t MCOperand_getImm(MCOperand *op)
+{
+ return op->ImmVal;
+}
+
+void MCOperand_setImm(MCOperand *op, int64_t Val)
+{
+ op->ImmVal = Val;
+}
+
+double MCOperand_getFPImm(const MCOperand *op)
+{
+ return op->FPImmVal;
+}
+
+void MCOperand_setFPImm(MCOperand *op, double Val)
+{
+ op->FPImmVal = Val;
+}
+
+MCOperand *MCOperand_CreateReg(unsigned Reg)
+{
+ MCOperand *op = malloc(sizeof(*op));
+
+ op->Kind = kRegister;
+ op->RegVal = Reg;
+
+ return op;
+}
+
+MCOperand *MCOperand_CreateImm(int64_t Val)
+{
+ MCOperand *op = malloc(sizeof(*op));
+
+ op->Kind = kImmediate;
+ op->ImmVal = Val;
+
+ return op;
+}
+
+MCOperand *MCOperand_CreateFPImm(double Val)
+{
+ MCOperand *op = malloc(sizeof(*op));
+
+ op->Kind = kFPImmediate;
+ op->FPImmVal = Val;
+
+ return op;
+}