⭐ FizzBuzz with some caveats

src/instruction.rs

@@ -5,6 +5,8 @@ pub enum Instruction {
 	Call (u8, u8, u8),
 	Closure (u8, u32),
 	
+	EqI (u8, i8, bool),
+	
 	// Equals Constant?
 	EqK (u8, u8, bool),
 	
@@ -47,6 +49,10 @@ pub enum Instruction {
 	// MetaMethod, Binary
 	MmBin (u8, u8, u8),
 	
+	MmBinK (u8, u8, u8, bool),
+	
+	ModK (u8, u8, u8),
+	
 	Move (u8, u8),
 	
 	Mul (u8, u8, u8),

src/loader.rs

@@ -49,6 +49,7 @@ pub fn parse_inst (buf: [u8; 4]) -> Option <Inst>
 	
 	let a = (buf [0] >> 7) | ((buf [1] & 0x7f) << 1);
 	let b = buf [2];
+	let sb = i8::try_from (b).ok ()? - 127;
 	let ax = a as u32 + ((b as u32) << 8);
 	let c = buf [3];
 	let bx = 
@@ -76,11 +77,14 @@ pub fn parse_inst (buf: [u8; 4]) -> Option <Inst>
 		0x11 => Inst::SetI (a, b, c, k),
 		0x12 => Inst::SetField (a, b, c, k),
 		0x13 => Inst::NewTable (a),
+		0x19 => Inst::ModK (a, b, c),
 		0x22 => Inst::Add (a, b, c),
 		0x24 => Inst::Mul (a, b, c),
 		0x2e => Inst::MmBin (a, b, c),
+		0x30 => Inst::MmBinK (a, b, c, k),
 		0x33 => Inst::Not (a, b),
 		0x3c => Inst::EqK (a, b, k),
+		0x3d => Inst::EqI (a, sb, k),
 		0x38 => Inst::Jmp (s_j),
 		0x42 => Inst::Test (a, k),
 		0x44 => Inst::Call (a, b, c),

src/state.rs

@@ -201,6 +201,12 @@ impl State {
 						upvalues: vec! [],
 					}.into ());
 				},
+				Instruction::EqI (a, sb, k_flag) => {
+					if (self.reg (*a).as_int ().unwrap () == *sb as i64) != *k_flag 
+					{
+						next_pc += 1;
+					}
+				},
 				Instruction::EqK (a, b, k_flag) => {
 					let b = usize::from (*b);
 					
@@ -337,6 +343,15 @@ impl State {
 						panic! ("Not sure how to implememtn OP_MMBIN for these 2 values {a:?}, {b:?}");
 					}
 				},
+				Instruction::MmBinK (_a, _b, _c, _k) => {
+					// Ignore
+				},
+				Instruction::ModK (a, b, c) => {
+					let b = self.reg (*b).as_int().unwrap ();
+					let c = k [usize::from (*c)].as_int ().unwrap ();
+					
+					*self.reg_mut (*a) = (b % c).into ();
+				},
 				Instruction::Move (a, b) => {
 					*self.reg_mut (*a) = self.reg (*b).clone ();
 				},

test_vectors/fizz_buzz.lua

@@ -1,3 +1,11 @@
 for i = 1, 50 do
-	print (i)
+	if i % 3 == 0 and i % 5 == 0 then
+		print ("FizzBuzz")
+	elseif i % 3 == 0 then
+		print ("Fizz")
+	elseif i % 5 == 0 then
+		print ("Buzz")
+	else
+		print (i)
+	end
 end