diff options
| author | Roland Reichwein <mail@reichwein.it> | 2020-10-17 21:45:37 +0200 |
|---|---|---|
| committer | Roland Reichwein <mail@reichwein.it> | 2020-10-17 21:45:37 +0200 |
| commit | 8f28495ab9a8ebf53868405541e907394895e51f (patch) | |
| tree | 51b27870ed64522e1d54e4f031276e18fe181ee8 /asm/intel64/codes.cpp | |
| parent | 72ff79d76c7ec16ea1b95c72af0838f0e1150735 (diff) | |
Add add
Diffstat (limited to 'asm/intel64/codes.cpp')
| -rw-r--r-- | asm/intel64/codes.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/asm/intel64/codes.cpp b/asm/intel64/codes.cpp new file mode 100644 index 0000000..a1d9e87 --- /dev/null +++ b/asm/intel64/codes.cpp @@ -0,0 +1,17 @@ +#include "codes.h" + +// 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 }; +} + |