diff --git a/sources/exceptions.c b/sources/exceptions.c
deleted file mode 100644
index def48c6..0000000
--- a/sources/exceptions.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * exceptions.c
- *
- * This file is part of BaS_gcc.
- *
- * BaS_gcc is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * BaS_gcc is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with BaS_gcc.  If not, see <http://www.gnu.org/licenses/>.
- *
- * derived from original BaS assembler sources:
- * Copyright 2010 - 2012 F. Aschwanden
- * Copyright 2013        M. Froeschle
- */
-
-#include <stdint.h>
-#include "bas_printf.h"
-#include "bas_string.h"
-#include "startcf.h"
-#include "interrupts.h"
-#include "exceptions.h"
-#include "MCF5475.h"
-
-#if MACHINE_FIREBEE
-#include "firebee.h"
-#elif MACHINE_M5484LITE
-#include "m5484l.h"
-#endif /* MACHINE_FIREBEE */
-
-
-#define DEBUG_EXC
-#ifdef DEBUG_EXC
-#define debug_printf(format, arg...) do { xprintf("DEBUG: " format "\r\n", ##arg); } while (0)
-#else
-#define debug_printf(format, arg...) do { ; } while (0)
-#endif /* DEBUG_EXC */
-
-typedef void (*exception_handler)(uint32_t fs, uint32_t vector);
-
-static inline uint32_t set_vbr(uint32_t value)
-{
-	extern uint32_t rt_vbr;
-	uint32_t ret = rt_vbr;
-
-	__asm__ __volatile__(
-		"movec		%[value],VBR\n\t"
-		: /* no output */
-		: [value] "r" (value)
-		: /* no clobber */
-	);
-	rt_vbr = value;
-
-	return ret;
-}
-
-static void std_exception_handler(uint32_t fs, uint32_t vector)
-{
-	register uint32_t d0 asm("d0");
-	register uint32_t d1 asm("d1");
-	register uint32_t a0 asm("a0");
-	register uint32_t a1 asm("a1");
-
-	uint32_t old_ipl;
-	extern uint32_t rt_vbr;
-
-	old_ipl = set_ipl(7);
-
-#if MACHINE_FIREBEE
-	if (DIP_SWITCH & (1 << 7))
-	{
-		xprintf("protect mode selected by DIP switch, but not implemented\r\n");
-	}
-#endif /* MACHINE_FIREBEE */
-
-	vector &= 0x3fc;	/* mask out vector number */
-
-	debug_printf("vector number = 0x%x\r\n", vector);
-
-	vector += rt_vbr;	/* add vector base */
-	
-
-}
-
-static void __attribute__((interrupt)) reset_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) access_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) irq1_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) irq2_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) irq3_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) irq4_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) irq5_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) irq6_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) irq7_exception_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) psc3_interrupt_handler(void)
-{
-}
-
-static void __attribute__((interrupt)) gpt0_interrupt_handler(void)
-{
-}
-
-extern void __attribute__((interrupt)) xhdi_sd_install(void);
-
-void vec_init(void)
-{
-	exception_handler *VBR = (exception_handler *) &_RAMBAR0[0];
-	extern uint32_t _SUP_SP[];	/* supervisor stack pointer from linker script */
-	exception_handler *SUP_SP = (exception_handler *) &_SUP_SP[0];
-
-	extern uint32_t rt_mod;
-	extern uint32_t rt_ssp;
-	extern uint32_t rt_usp;
-	extern uint32_t rt_vbr;
-	int i;
-
-	rt_mod = -1;
-	rt_ssp = 0;
-	rt_usp = 0;
-	rt_vbr = 0;
-
-	set_vbr((uint32_t) VBR);
-
-	/*
-	 * set exception vectors
-	 */
-	for (i = 0; i < 256; i++)
-	{
-		VBR[i] = std_exception_handler;
-	}
-
-	VBR[0] = SUP_SP;
-
-	VBR[1] = reset_exception_handler;
-	VBR[2] = access_exception_handler;
-
-#if MACHINE_FIREBEE		/* DIP switch only on FireBee */
-	if (DIP_SWITCH & (1 << 7))
-	{
-		/* TODO: protect mode */
-		return;
-	}
-#endif /* MACHINE_FIREBEE */
-
-	VBR[0X80] = xhdi_sd_install;	/* trap #0 exception handler for BaS driver vectors */
-
-
-#if MACHINE_FIREBEE
-	/*
-	 * ACP interrupts 1-7 (generated by the FPGA on the FireBee)
-	 */
- 	VBR[0X104] = irq1_exception_handler;
-	VBR[0x108] = irq2_exception_handler;
-	VBR[0x10c] = irq3_exception_handler;
-	VBR[0x110] = irq4_exception_handler;
-	VBR[0x114] = irq5_exception_handler;
-	VBR[0x118] = irq6_exception_handler;
-	VBR[0x11c] = irq7_exception_handler;
-
-	/*
-	 * install PSC vectors (used for PIC communication on the FireBee
-	 */
-	VBR[INT_SOURCE_PSC3 + 64] = psc3_interrupt_handler;
-
-	/*
-	 * install timer vector (used for video page copy on the FireBee
-	 */
-	VBR[INT_SOURCE_GPT0 + 64] = gpt0_interrupt_handler;
-#endif /* MACHINE_FIREBEE */
-}
-