From 0ce47d46e07dfb02f3eeef481b963927beeee481 Mon Sep 17 00:00:00 2001
From: notaz
Date: Wed, 26 Jan 2011 18:31:27 +0200
Subject: drc: invalidate RAM mirrors correctly

---
 libpcsxcore/new_dynarec/emu_if.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'libpcsxcore/new_dynarec/emu_if.c')

diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index 0942874..bdb9675 100644
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -202,23 +202,20 @@ static void ari64_execute()
 
 static void ari64_clear(u32 addr, u32 size)
 {
-	u32 start, end;
+	u32 start, end, main_ram;
 
 	size *= 4; /* PCSX uses DMA units */
 
 	evprintf("ari64_clear %08x %04x\n", addr, size);
 
 	/* check for RAM mirrors */
-	if ((addr & ~0xe0600000) < 0x200000) {
-		addr &= ~0xe0600000;
-		addr |=  0x80000000;
-	}
+	main_ram = (addr & 0xffe00000) == 0x80000000;
 
 	start = addr >> 12;
 	end = (addr + size) >> 12;
 
 	for (; start <= end; start++)
-		if (!invalid_code[start])
+		if (!main_ram || !invalid_code[start])
 			invalidate_block(start);
 }
 
-- 
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