From 18e72995d538babb06a38bfa52dfd4852dcbff97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20Fr=C3=B6schle?= <mfro@mubf.de>
Date: Sun, 14 Aug 2016 09:55:28 +0000
Subject: [PATCH] make FireTOS always cold boot (clear sys vars)

---
 BaS_gcc/Makefile          | 2 +-
 BaS_gcc/include/version.h | 2 +-
 BaS_gcc/sys/BaS.c         | 6 ++++++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/BaS_gcc/Makefile b/BaS_gcc/Makefile
index 5539e11..be1eec1 100644
--- a/BaS_gcc/Makefile
+++ b/BaS_gcc/Makefile
@@ -10,7 +10,7 @@
 
 # can be either "Y" or "N" (without quotes). "Y" for using the m68k-elf-, "N" for using the m68k-atari-mint
 # toolchain
-COMPILE_ELF=N
+COMPILE_ELF=Y
 
 ifeq (Y,$(COMPILE_ELF))
 TCPREFIX=m68k-elf-
diff --git a/BaS_gcc/include/version.h b/BaS_gcc/include/version.h
index bd6ac5b..d86f899 100644
--- a/BaS_gcc/include/version.h
+++ b/BaS_gcc/include/version.h
@@ -29,7 +29,7 @@
  */
 
 #define MAJOR_VERSION   0
-#define MINOR_VERSION   9
+#define MINOR_VERSION   91
 
 
 #endif /* VERSION_H_ */
diff --git a/BaS_gcc/sys/BaS.c b/BaS_gcc/sys/BaS.c
index d5a627b..b2a7f77 100644
--- a/BaS_gcc/sys/BaS.c
+++ b/BaS_gcc/sys/BaS.c
@@ -511,6 +511,12 @@ void BaS(void)
         MCF_MMU_MMUCR = 0;  /* MMU off */
         NOP();              /* force pipeline sync */
 
+
+        /*
+         * FireTOS wants to have the TOS system variables cleared
+         */
+        memset((void *) 0x400, 0, 0x400);
+
         /* ST RAM */
 
         * (uint32_t *) 0x42e = STRAM_END;   /* phystop TOS system variable */