memory.txt can be execute

src/simulator/machine.rs

@@ -1,5 +1,7 @@
 use std::{ops::{Add, Sub}, io::Write};
 
+use crate::simulator::print;
+
 use super::{decode::{Instruction, decode}};
 use super::global::*;
 use std::fs::File;
@@ -40,7 +42,7 @@ impl Register<i64> {
 			self.register[position] = value;
 		} else {
 			// Panic ou rien ? (dans le doute pour le moment panic)
-			unreachable!("You can't write to zero register")
+			// unreachable!("You can't write to zero register")
 		}
 	}
 
@@ -148,6 +150,14 @@ impl Machine {
 		file.write(&machine.main_memory);
 	}
 
+	pub fn print_machine_status(machine: &mut Machine) {
+		println!("######### Machine status #########");
+		for i in 0..32 {
+			println!(">{} : {:x}", print::REG_X[i], machine.int_reg.get_reg(i));
+		}
+		println!("##################################");
+	}
+
 	/// Execute the instructions table of a machine putted in param
 	/// 
 	/// ### Parameters
@@ -182,13 +192,15 @@ impl Machine {
 		if machine.main_memory.len() <= machine.pc as usize {
 			panic!("ERROR : number max of instructions rushed");
 		}
-		let mut val: [u8; 8] = [0; 8];
-		for i in 0..8 {
+		let mut val: [u8; 4] = [0; 4];
+		for i in 0..4 {
 			val[i] = machine.main_memory[machine.pc as usize + i];
 		}
 
-		let val = u64::from_be_bytes(val);
-		println!("{:x}", val);
+		let val = u32::from_be_bytes(val) as u64;
+		Self::print_machine_status(machine);
+		println!("executing instruction : {:016x} at pc {:x}", val, machine.pc);
+		println!("{}", print::print(decode(val), machine.pc as i32));
 		let inst : Instruction = decode(val);
 		
 		
@@ -602,7 +614,7 @@ impl Machine {
 					}
 				}
 			}
-			_ => { panic!("{:x} opcode non géré  pc : {:x}", inst.opcode, machine.pc)},
+			_ => { panic!("{:x} opcode non géré pc : {:x}", inst.opcode, machine.pc)},
 		}
 
 		machine.pc += 4; // Possible bug avec jump