From feb1ec53dcbefa75d3846b63ece65c6aaa5df4e3 Mon Sep 17 00:00:00 2001
From: tuz358 <orca00358@gmail.com>
Date: Mon, 5 Mar 2018 10:09:50 +0900
Subject: [PATCH] Revert "Add dec_r32(0x48~0x4f) instruction"

This reverts commit 6a06934dde2a21353a7f6e6e8229c5c7ac5d6e19.
---
 include/instructions.h |  1 -
 instructions.cpp       | 12 ------------
 2 files changed, 13 deletions(-)

diff --git a/include/instructions.h b/include/instructions.h
index db875a3..2373cc4 100644
--- a/include/instructions.h
+++ b/include/instructions.h
@@ -25,7 +25,6 @@ public:
 
   void add_rm32_r32();  // 0x01
   void xor_rm32_r32();  // 0x31
-  void dec_r32();       // 0x48 ~ 0x4f
   void mov_rm32_r32();  // 0x89
   void nop();           // 0x90
   void mov_ecx_imm32(); // 0xb9
diff --git a/instructions.cpp b/instructions.cpp
index c023449..511be6d 100644
--- a/instructions.cpp
+++ b/instructions.cpp
@@ -22,12 +22,6 @@ void Instructions::init_instructions(){
 
   this->instructions[0x01] = &Instructions::add_rm32_r32;
   this->instructions[0x31] = &Instructions::xor_rm32_r32;
-
-  for(int i = 0;i < 8;i++){
-    // 0x48 ~ 0x4f : dec_r32
-    this->instructions[0x48+i] = &Instructions::dec_r32;
-  }
-
   this->instructions[0x89] = &Instructions::mov_rm32_r32;
   this->instructions[0x90] = &Instructions::nop;
   this->instructions[0xb9] = &Instructions::mov_ecx_imm32;
@@ -152,12 +146,6 @@ void Instructions::xor_rm32_r32(){
   }
 }
 
-void Instructions::dec_r32(){
-  printf("dec_r32 called.\n");
-  uint8_t opcode = memory.read_uint8(this->eip-1);
-  this->registers[opcode - 0x48]--;
-}
-
 void Instructions::mov_rm32_r32(){
   printf("mov_rm32_r32 called.\n");
   uint32_t addr, imm32;