From 2bc2bbc93903498d14bae599b0268b5770b96cc7 Mon Sep 17 00:00:00 2001
From: TomW <TomW@localhost>
Date: Wed, 27 Jan 2016 21:05:28 +0000
Subject: [PATCH] Cached results of MMU lookup in get_phys().

---
 src/mem.c |  2 ++
 src/mem.h | 18 ++++++++++++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/mem.c b/src/mem.c
index 6696726..01a7df7 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -1919,3 +1919,5 @@ void mem_a20_recalc()
 //        pclog("rammask now %08X\n", rammask);
         mem_a20_state = state;
 }
+
+uint32_t get_phys_virt,get_phys_phys;
diff --git a/src/mem.h b/src/mem.h
index b6a926d..59a681a 100644
--- a/src/mem.h
+++ b/src/mem.h
@@ -118,13 +118,23 @@ extern page_t *pages;
 extern page_t **page_lookup;
 
 uint32_t mmutranslate_noabrt(uint32_t addr, int rw);
-
+extern uint32_t get_phys_virt,get_phys_phys;
 static inline get_phys(uint32_t addr)
 {
-        if (!(cr0 >> 31))
-                return addr & rammask;
+        if (!((addr ^ get_phys_virt) & ~0xfff))
+                return get_phys_phys | (addr & 0xfff);
+
+        get_phys_virt = addr;
         
-        return mmutranslatereal(addr, 0) & rammask;
+        if (!(cr0 >> 31))
+        {
+                get_phys_phys = (addr & rammask) & ~0xfff;
+                return addr & rammask;
+        }
+        
+        get_phys_phys = (mmutranslatereal(addr, 0) & rammask) & ~0xfff;
+        return get_phys_phys | (addr & 0xfff);
+//        return mmutranslatereal(addr, 0) & rammask;
 }
 
 static inline get_phys_noabrt(uint32_t addr)