ft(interpreter): impl all low-hanging fruit instructions

src/interpreter/computer.rs

@@ -110,6 +110,20 @@ impl Computer {
         self.op(op, flag_set, false, dest, src);
     }
 
+    /// Perform test operation, which acts like [`Self::and()`], but without
+    /// saving the result and only setting [`Self::flags`].
+    pub fn test(&mut self, dest: ModRmTarget, src: Operand) {
+        let op: fn(Lhs, Rhs) -> ArithmeticResult = |lhs, rhs| lhs & rhs;
+        let flag_set: fn(&mut Flags, ArithmeticResult, Lhs, Rhs) = |flags, result, _, _| {
+            flags.cf = false;
+            flags.of = false;
+            flags.zf = result.zero();
+            flags.sf = result.msb();
+            flags.pf = result.parity();
+        };
+        self.op(op, flag_set, false, dest, src);
+    }
+
     /// Perform `dest` = `dest` + `src` + CF. Sets flags.
     pub fn adc(&mut self, dest: ModRmTarget, src: Operand) {
         let cf = self.flags.cf as u8;