From 1745281a7b3b4f9030d24c1a41a3be5df60b4ae6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20Fr=C3=B6schle?= <mfro@mubf.de>
Date: Mon, 22 May 2017 07:01:25 +0000
Subject: [PATCH] provide a second copy of EmuTOS in FPGA RAM for blitter
 access

---
 BaS_gcc/sys/BaS.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/BaS_gcc/sys/BaS.c b/BaS_gcc/sys/BaS.c
index 544784c..e2cdd65 100644
--- a/BaS_gcc/sys/BaS.c
+++ b/BaS_gcc/sys/BaS.c
@@ -432,6 +432,8 @@ void BaS(void)
     /* copy EMUTOS */
     src = (uint8_t *) EMUTOS;
     memcpy(dst, src, EMUTOS_SIZE);
+    /* do a second copy to FPGA RAM exclusively for the blitter */
+    memcpy(dst + 0x40000000, src, EMUTOS_SIZE);
     xprintf("finished\r\n");
 
     xprintf("flush caches: ");