From 8f28495ab9a8ebf53868405541e907394895e51f Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 17 Oct 2020 21:45:37 +0200
Subject: Add add

---
 intel.cpp | 29 -----------------------------
 1 file changed, 29 deletions(-)

(limited to 'intel.cpp')

diff --git a/intel.cpp b/intel.cpp
index 9f24f1d..65b9f3f 100644
--- a/intel.cpp
+++ b/intel.cpp
@@ -22,21 +22,6 @@ using namespace std::placeholders;
 
 namespace {
 
- // REX prefix: 0b0100WRXB
- std::vector<uint8_t> REX(std::string s) {
-  uint8_t result{0b01000000};
-  if (s == "W")
-   result |= 0b00001000;
-  if (s == "R")
-   result |= 0b00000100;
-  if (s == "X")
-   result |= 0b00000010;
-  if (s == "B")
-   result |= 0b00000001;
-
-  return { result }; 
- }
-
  std::vector<uint8_t> imm8(std::string s) {
   long value{ std::stol(s) };
   uint8_t* bin = reinterpret_cast<uint8_t*>(&value);
@@ -138,20 +123,6 @@ namespace {
 
  std::unordered_map<std::string, std::function<InstructionCodeList(const std::vector<Token>&)>> ops_old{
 
-  // Integer Addition
-  {"add", [](const std::vector<Token>& sl) -> InstructionCodeList {
-   if (sl.size() == 3) {
-    if (sl[1].value == "eax") { // ADD EAX, imm32
-     return { { std::vector<uint8_t>{ 0x05 } +imm32(sl[2].value), {} } };
-    } else if (sl[1].value == "rax") { // ADD RAX, imm32
-     return { { REX("W") + std::vector<uint8_t>{ 0x05 } +imm32(sl[2].value), {} } };
-    }
-   }
-
-   // ... TODO
-   throw std::runtime_error("Unknown command: "s + sl[0].value);
-  }},
-
   // Call Procedure
   {"call",  std::bind(op_jmp, _1, OP_T{}, OP_T{ 0xE8 })},
 
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