Support 16-bit short

1 files changed, 8 insertions, 1 deletions

diff --git a/asm/intel64/codes.cpp b/asm/intel64/codes.cpp
index 76108a1..18980bd 100644
--- a/asm/intel64/codes.cpp
+++ b/asm/intel64/codes.cpp
@@ -1,5 +1,6 @@
 #include "codes.h"
 
+#include "byteorder.h"
 #include "minicc.h"
 #include "../operators.h"
 
@@ -84,7 +85,7 @@ std::vector<uint8_t> ModRM(const std::string& reg, const std::string& rm, int32_
    displacement_bytes.push_back(uint8_t(disp));
   } else {
    result |= 0b10000000; // 32 bit displacement
-   displacement_bytes += to_little_endian(disp);
+   displacement_bytes += endian::to_little(uint32_t(disp));
   }
   result |= rm_bits;
  } else { // normal register access
@@ -104,6 +105,12 @@ uint8_t RegNo(const std::string& reg)
  return index->second;
 }
 
+// Switch from operand size 64bit to 32bit
+std::vector<uint8_t> OpSizePrefix()
+{
+ return {0x66};
+}
+
 #if 0
  prefixes{
   "lock", 0xf0,