From: notaz <notasas@gmail.com>
Date: Mon, 10 Dec 2012 23:37:33 +0000 (+0200)
Subject: libretro: set cycle_multiplier
X-Git-Tag: r18~48
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=commitdiff_plain;h=5ca2ec64779fee99d0fc347330a83ae5e982d282;ds=sidebyside

libretro: set cycle_multiplier
---

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 4e509a0a..34316850 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -437,6 +437,15 @@ void retro_init(void)
 	level = 1;
 	environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
 
+	/* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
+	 * we have to do this because cache misses and some IO penalties
+	 * are not emulated. Warning: changing this may break compatibility. */
+#ifdef __ARM_ARCH_7A__
+	cycle_multiplier = 175;
+#else
+	cycle_multiplier = 200;
+#endif
+
 	McdDisable[0] = 0;
 	McdDisable[1] = 1;
 	init_memcard(Mcd1Data);