update v1.0.3

* fixed _unix_random bug
* add custom instruction "random"
* update to spec 1.12
* more cli options

src/instructions/_unix_random.rs

@@ -6,9 +6,9 @@ use crate::RunError;
 pub fn _unix_random(memory: &mut Vec<u16>) {
     let mut rng = File::open("/dev/urandom").unwrap();
 
-    let mut buffer = [0u8; 1];
+    let mut buffer = [0u8; 2];
     rng.read_exact(&mut buffer).unwrap();
 
     let data = &memory.pop().expect(&format!("{}", RunError::MemoryEmpty));
-    memory.push((buffer[0] as u16) % (*data - 1));
+    memory.push((u16::from_ne_bytes(buffer)) % (*data - 1));
 }

src/instructions/maxsize.rs

@@ -1,3 +1,3 @@
 pub fn maxsize(memory: &mut Vec<u16>) {
-    memory.push(65535);
+    memory.push(u16::MAX);
 }

src/instructions/mod.rs

@@ -36,4 +36,6 @@ pub mod not;
 pub mod kjnz;
 pub mod kjz;
 pub mod print;
-pub mod insert;
+pub mod println;
+pub mod insert;
+pub mod random;

src/instructions/print.rs

@@ -1,3 +1,3 @@
 pub fn print(arg: &String) {
-    println!("{}", arg);
+    print!("{}", arg);
 }

src/instructions/println.rs

@@ -0,0 +1,3 @@
+pub fn println(arg: &String) {
+    println!("{}", arg);
+}

src/instructions/random.rs

@@ -0,0 +1,7 @@
+use fastrand;
+use crate::RunError;
+
+pub fn random(memory: &mut Vec<u16>) {
+    let data = &memory.pop().expect(&format!("{}", RunError::MemoryEmpty));
+    memory.push(fastrand::u16(..) % (*data - 1));
+}