diff --git a/src/lib.rs b/src/lib.rs
index 3cc8c0b..cf59a4b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-mod consts;
+pub mod consts;
 pub mod core;
 mod decode;
 mod instructions;
diff --git a/src/mem.rs b/src/mem.rs
index 28498b9..717e793 100644
--- a/src/mem.rs
+++ b/src/mem.rs
@@ -7,7 +7,7 @@ use memmap2::MmapMut;
 
 use crate::consts::{Byte, DWord, HWord, Word};
 
-type PageNum = usize;
+pub type PageNum = usize;
 
 const PAGE_SIZE: usize = 4096;