From 529c9752c4d3c79856faf2f8e7b049f98c04cb81 Mon Sep 17 00:00:00 2001
From: Michel Heily <michelheily@gmail.com>
Date: Mon, 1 Jun 2020 01:26:38 +0300
Subject: [PATCH] fix: Ignore top 4 bits of DMA addresses

Former-commit-id: 3a5e691ca617803ef61f7a534c70d1cf04f36cb9
Former-commit-id: 289fad7340cbb18c51ecccd43e44682b37c78a1a
---
 core/src/dma.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/src/dma.rs b/core/src/dma.rs
index 2e29ac4..4e61ed7 100644
--- a/core/src/dma.rs
+++ b/core/src/dma.rs
@@ -66,7 +66,7 @@ impl DmaChannel {
 
     pub fn write_src_high(&mut self, high: u16) {
         let src = self.src;
-        let high = high as u32;
+        let high = (high & 0xfff) as u32;
         self.src = (src & 0xffff) | (high << 16);
     }
 
@@ -77,7 +77,7 @@ impl DmaChannel {
 
     pub fn write_dst_high(&mut self, high: u16) {
         let dst = self.dst;
-        let high = high as u32;
+        let high = (high & 0xfff) as u32;
         self.dst = (dst & 0xffff) | (high << 16);
     }