ft(interpreter): impl far jumps with correct CS addressing

src/interpreter/memory.rs

@@ -2,21 +2,24 @@ use crate::operands::{Byte, Displacement, ImmediateOperand, MemoryIndex, Word};
 
 use super::interpreter::InterpreterError;
 
+/// 2*20 = 1MiB
+const MEMORY_SIZE: usize = 1048576;
+
 #[derive(Debug, Clone, Copy)]
 pub struct Memory {
-    memory: [Byte; Word::MAX as usize],
+    memory: [Byte; MEMORY_SIZE as usize],
 }
 
 impl Memory {
     pub fn new() -> Self {
         Self {
-            memory: [0; Word::MAX as usize],
+            memory: [0; MEMORY_SIZE as usize],
         }
     }
 
     /// Safely writes a [`Word`] into an index of memory.
     pub fn write_raw(&mut self, idx: Word, val: Word) -> Result<(), InterpreterError> {
-        if idx + 1 > Word::MAX {
+        if (idx + 1) as usize > MEMORY_SIZE {
             return Err(InterpreterError::MemoryOutOfBound(idx));
         } else {
             let [low, high] = val.to_le_bytes();