Remove consts.rs and just use plain types

src/instructions.rs

@@ -10,7 +10,6 @@ mod macros;
 mod rvi;
 
 use crate::{
-    consts::DWord,
     core::Core,
     decode::Instruction,
     exceptions::{
@@ -22,7 +21,7 @@ use crate::{
 fn illegal(instr: Instruction) -> Result<(), Exception> {
     Err(Exception {
         type_: IllegalInstruction,
-        value: instr.0 as DWord,
+        value: instr.0 as u64,
     })
 }