From f235d8e500e9fd9945d07ed347ccab5214d26eba Mon Sep 17 00:00:00 2001
From: David Li <li.davidm96@gmail.com>
Date: Fri, 25 Dec 2015 10:57:04 -0700
Subject: Add trait for memory interface

---
 src/isa/mod.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/isa')

diff --git a/src/isa/mod.rs b/src/isa/mod.rs
index 49fad10..5458255 100644
--- a/src/isa/mod.rs
+++ b/src/isa/mod.rs
@@ -4,6 +4,10 @@ pub mod funct7;
 
 pub type Word = u32;
 pub type SignedWord = i32;
+pub type HalfWord = u16;
+pub type SignedHalfWord = i16;
+pub type Byte = u8;
+pub type SignedByte = i8;
 
 // TODO: directly encode PC as u32, as architecturally specified
 pub type Address = usize;
-- 
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