ft: initial work in interpreter

src/aout.rs

@@ -8,12 +8,12 @@ use crate::operands::{Byte, Word};
 #[allow(non_camel_case_types)]
 pub type c_long = i32; // we use a a.out with 32 byte
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 /// Internal representation of the a.out binary format.
 pub struct Aout {
     pub header: Header,
     pub text: Vec<Byte>,
-    pub data: Vec<Word>,
+    pub data: Vec<Byte>,
 }
 
 impl fmt::Display for Aout {
@@ -48,20 +48,16 @@ impl Aout {
 
         let text_section = &buf[text_start..text_end];
         let data_section = &buf[data_start..data_end];
-        let data_words: Vec<Word> = data_section
-            .chunks_exact(2)
-            .map(|chunk| u16::from_le_bytes(chunk.try_into().unwrap()))
-            .collect();
 
         Aout {
             header: hdr,
             text: Vec::from(text_section),
-            data: Vec::from(data_words),
+            data: Vec::from(data_section),
         }
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Header {
     pub magic: [c_uchar; 2], // magic number
     pub flags: c_uchar,      // flags, see below