From 52b665108f6f2203df251eec273184b142ee2e16 Mon Sep 17 00:00:00 2001 From: Oxore Date: Wed, 4 Mar 2020 02:06:37 +0300 Subject: Add Memory trait for Rom, refactor instantiating --- src/memory.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 src/memory.rs (limited to 'src/memory.rs') diff --git a/src/memory.rs b/src/memory.rs new file mode 100644 index 0000000..372a029 --- /dev/null +++ b/src/memory.rs @@ -0,0 +1,18 @@ +extern crate num_traits; + +pub trait Memory + where Addr: Copy + core::ops::Add + num_traits::identities::One +{ + fn get(&self, a: Addr) -> u8; + + fn set(&mut self, a: Addr, v: u8); + + fn get_word(&self, a: Addr) -> u16 { + u16::from(self.get(a)) | (u16::from(self.get(a + Addr::one())) << 8) + } + + fn set_word(&mut self, a: Addr, v: u16) { + self.set(a, (v & 0xFF) as u8); + self.set(a + Addr::one(), (v >> 8) as u8) + } +} -- cgit v1.2.3