diff options
Diffstat (limited to 'src/chip8.rs')
| -rw-r--r-- | src/chip8.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/chip8.rs b/src/chip8.rs index a172fa6..38e4831 100644 --- a/src/chip8.rs +++ b/src/chip8.rs @@ -135,6 +135,11 @@ impl Chip8 { self.v[0xF] = if self.v[x] > self.v[y] { 1 } else { 0 }; self.v[x] = self.v[x].wrapping_sub(self.v[y]); } + 0x000E => { + eprintln!("SHL V{}", x); + self.v[0xF] = if (self.v[x] >> 7) & 1 == 1 { 1 } else { 0 }; + self.v[x] = self.v[x].wrapping_mul(2); + } _ => unknown_opcode(opcode), }, 0x9000 => { |