diff --git a/arch/sh/src/m16c/Make.defs b/arch/sh/src/m16c/Make.defs
index 03d8684a248756737350d22d5899add8a14b87e4..3302536ab6f0710efd6457ef9b87de4e1a9fd41c 100644
--- a/arch/sh/src/m16c/Make.defs
+++ b/arch/sh/src/m16c/Make.defs
@@ -42,8 +42,8 @@ CMN_CSRCS	= up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \
 		  up_releasepending.c up_releasestack.c up_reprioritizertr.c \
 		  up_udelay.c up_unblocktask.c up_usestack.c
 
-#CHIP_ASRCS	= m16c_vector.S m16c_saveusercontext.S
-CHIP_ASRCS	= 
+#CHIP_ASRCS	= m16c_vectors.S m16c_saveusercontext.S
+CHIP_ASRCS	= m16c_vectors.S
 #CHIP_CSRCS	= m16c_lowputc.c m16c_irq.c m16c_timerisr.c m16c_serial.c
 CHIP_CSRCS	= 
 
diff --git a/arch/sh/src/m16c/m16c_vectors.S b/arch/sh/src/m16c/m16c_vectors.S
new file mode 100644
index 0000000000000000000000000000000000000000..ffbf07cb0735a079b0cee49e289570d4d7c59a53
--- /dev/null
+++ b/arch/sh/src/m16c/m16c_vectors.S
@@ -0,0 +1,290 @@
+/************************************************************************************
+ * arch/sh/src/m16c/m16c_vectors.S
+ *
+ *	 Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *	 Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *		notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *		notice, this list of conditions and the following disclaimer in
+ *		the documentation and/or other materials provided with the
+ *		distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *		used to endorse or promote products derived from this software
+ *		without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include "chip.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Macro Definitions
+ ************************************************************************************/
+
+/* Special page vectors. This macro puts the jump address of	
+ * functions defined as special page into the special page vector table.
+ * See example calls below and see the M16C Software Manual or NC30
+ * manual for more information on special page vectors.
+ */
+#if 0
+ 	.macro	m16c_special, num
+	.org	0x0ffffe-(\num*2)
+	.globl	__SPECIAL_\num
+	.word	__SPECIAL_\num	& 0x0ffff
+	.endm
+#endif
+
+/************************************************************************************
+ * Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Interrupt Vectors
+ ************************************************************************************/
+
+/* Variable vector section */
+
+	.section varvects			/* Variable vector table */
+	.globl	_m16c_unexpected_isr
+	.globl	_m16c_brk_isr
+	.long	_m16c_brk_isr			/* ffd00: BRK instruction */
+	.long	0xffffffff			/* ffd04 */
+	.long	0xffffffff			/* ffd08 */
+	.long	0xffffffff			/* ffd0c */
+	.globl	_m16c_int3_isr
+	.long	_m16c_int3_isr			/* ffd10: INT3 */
+#ifdef CONFIG_M16C_SWINTS
+	.globl	_m16c_swint5_isr
+	.long	_m16c_swint5_isr		/* ffd14: S/W interrupt 5 */
+	.globl	_m16c_swint6_isr
+	.long	_m16c_swint6_isr		/* ffd18: S/W interrupt 6 */
+	.globl	_m16c_swint7_isr
+	.long	_m16c_swint7_isr		/* ffd1c: S/W interrupt 7 */
+#else
+	.long	_m16c_unexpected_isr		/* ffd14: Reserved */
+	.long	_m16c_unexpected_isr		/* ffd18: Reserved */
+	.long	_m16c_unexpected_isr		/* ffd1c: Reserved */
+#endif
+	.globl	_m16c_int5_isr
+	.long	_m16c_int5_isr			/* ffd20: INT5 */
+	.globl	_m16c_int4_isr
+	.long	_m16c_int4_isr			/* ffd24: INT4 */
+	.globl	_m16c_uart2bcd_isr
+	.long	_m16c_uart2bcd_isr		/* ffd28: UART2 bus collision detection */
+	.globl	_m16c_dma0_isr
+	.long	_m16c_dma0_isr			/* ffd2c: DMA0 */
+	.globl	_m16c_dma1_isr
+	.long	_m16c_dma1_isr			/* ffd30: DMA1 */
+	.globl	_m16c_keyinp_isr
+	.long	_m16c_keyinp_isr		/* ffd34: Key input interrupt */
+	.globl	_m16c_adc_isr
+	.long	_m16c_adc_isr			/* ffd38: A-D */
+	.globl	_m16c_uart2xmitnack2_isr
+	.long	_m16c_uart2xmitnack2_isr	/* ffd3c UART2 transmit/NACK2 */
+	.globl	_m16c_uart2rcvack2_isr
+	.long	_m16c_uart2rcvack2_isr		/* ffd40: UART2 receive/ACK2 */
+	.globl	_m16c_uart0xmit_isr
+	.long	_m16c_uart0xmit_isr		/* ffd44: UART0 transmit */
+	.globl	_m16c_uart0rcv_isr
+	.long	_m16c_uart0rcv_isr		/* ffd48: UART0 receive */
+	.globl	_m16c_uart1xmit_isr
+	.long	_m16c_uart1xmit_isr		/* ffd4c: UART1 transmit */
+	.globl	_m16c_uart1rcv_isr
+	.long	_m16c_uart1rcv_isr		/* ffd50: UART1 receive */
+	.globl	_m16c_tmra0_isr
+	.long	_m16c_tmra0_isr			/* ffd54: Timer A0 */
+	.globl	_m16c_tmra1_isr
+	.long	_m16c_tmra1_isr			/* ffd58: Timer A1 */
+	.globl	_m16c_tmra2_isr
+	.long	_m16c_tmra2_isr			/* ffd5c: Timer A2 */
+	.globl	_m16c_tmra3_isr
+	.long	_m16c_tmra3_isr			/* ffd60: Timer A3 */
+	.globl	_m16c_tmra4_isr
+	.long	_m16c_tmra4_isr			/* ffd64: Timer A4 */
+	.globl	_m16c_tmrb0_isr
+	.long	_m16c_tmrb0_isr			/* ffd68: Timer B0 */
+	.globl	_m16c_tmrb1_isr
+	.long	_m16c_tmrb1_isr			/* ffd6c: Timer B1 */
+	.globl	_m16c_tmrb2_isr
+	.long	_m16c_tmrb2_isr			/* ffd70: Timer B2 */
+	.globl	_m16c_int0_isr
+	.long	_m16c_int0_isr			/* ffd74: INT0 */
+	.globl	_m16c_int1_isr
+	.long	_m16c_int1_isr			/* ffd78: INT1 */
+#ifdef CONFIG_M16C_SWINTS
+	.globl	_m16c_swint31_isr
+	.long	_m16c_swint31_isr		/* ffd7c: S/W interrupt 31 */
+	.globl	_m16c_swint32_isr
+	.long	_m16c_swint32_isr		/* ffd80: S/W interrupt 32 */
+	.globl	_m16c_swint33_isr
+	.long	_m16c_swint33_isr		/* ffd84: S/W interrupt 33 */
+	.globl	_m16c_swint34_isr
+	.long	_m16c_swint34_isr		/* ffd88: S/W interrupt 34 */
+	.globl	_m16c_swint35_isr
+	.long	_m16c_swint35_isr		/* ffd8c: S/W interrupt 35 */
+	.globl	_m16c_swint36_isr
+	.long	_m16c_swint36_isr		/* ffd90: S/W interrupt 36 */
+	.globl	_m16c_swint37_isr
+	.long	_m16c_swint37_isr		/* ffd94: S/W interrupt 37 */
+	.globl	_m16c_swint38_isr
+	.long	_m16c_swint38_isr		/* ffd98: S/W interrupt 38 */
+	.globl	_m16c_swint39_isr
+	.long	_m16c_swint39_isr		/* ffd9c: S/W interrupt 39 */
+	.globl	_m16c_swint40_isr
+	.long	_m16c_swint40_isr		/* ffda0: S/W interrupt 40 */
+	.globl	_m16c_swint41_isr
+	.long	_m16c_swint41_isr		/* ffda4: S/W interrupt 41 */
+	.globl	_m16c_swint42_isr
+	.long	_m16c_swint42_isr		/* ffda8: S/W interrupt 42 */
+	.globl	_m16c_swint43_isr
+	.long	_m16c_swint43_isr		/* ffdac: S/W interrupt 43 */
+	.globl	_m16c_swint44_isr
+	.long	_m16c_swint44_isr		/* ffdb0: S/W interrupt 44 */
+	.globl	_m16c_swint45_isr
+	.long	_m16c_swint45_isr		/* ffdb4: S/W interrupt 45 */
+	.globl	_m16c_swint46_isr
+	.long	_m16c_swint46_isr		/* ffdb8: S/W interrupt 46 */
+	.globl	_m16c_swint47_isr
+	.long	_m16c_swint47_isr		/* ffdbc: S/W interrupt 47 */
+	.globl	_m16c_swint48_isr
+	.long	_m16c_swint48_isr		/* ffdc0: S/W interrupt 48 */
+	.globl	_m16c_swint49_isr
+	.long	_m16c_swint49_isr		/* ffdc4: S/W interrupt 49 */
+	.globl	_m16c_swint50_isr
+	.long	_m16c_swint50_isr		/* ffdc8: S/W interrupt 50 */
+	.globl	_m16c_swint51_isr
+	.long	_m16c_swint51_isr		/* ffdcc: S/W interrupt 51 */
+	.globl	_m16c_swint52_isr
+	.long	_m16c_swint52_isr		/* ffdd0: S/W interrupt 52 */
+	.globl	_m16c_swint53_isr
+	.long	_m16c_swint53_isr		/* ffdd4: S/W interrupt 53 */
+	.globl	_m16c_swint54_isr
+	.long	_m16c_swint54_isr		/* ffdd8: S/W interrupt 54 */
+	.globl	_m16c_swint55_isr
+	.long	_m16c_swint55_isr		/* ffddc: S/W interrupt 55 */
+	.globl	_m16c_swint56_isr
+	.long	_m16c_swint56_isr		/* ffde0: S/W interrupt 56 */
+	.globl	_m16c_swint57_isr
+	.long	_m16c_swint57_isr		/* ffde4: S/W interrupt 57 */
+	.globl	_m16c_swint58_isr
+	.long	_m16c_swint58_isr		/* ffde8: S/W interrupt 58 */
+	.globl	_m16c_swint59_isr
+	.long	_m16c_swint59_isr		/* ffdec: S/W interrupt 59 */
+	.globl	_m16c_swint60_isr
+	.long	_m16c_swint60_isr		/* ffdf0: S/W interrupt 60 */
+	.globl	_m16c_swint61_isr
+	.long	_m16c_swint61_isr		/* ffdf4: S/W interrupt 61 */
+	.globl	_m16c_swint62_isr
+	.long	_m16c_swint62_isr		/* ffdf8: S/W interrupt 62 */
+	.globl	_m16c_swint63_isr
+	.long	_m16c_swint63_isr		/* ffdfc: S/W interrupt 63 */
+#else
+	.long	_m16c_unexpected_isr		/* ffd7c: Reserved */
+	.long	_m16c_unexpected_isr		/* ffd80: Not supported */
+	.long	_m16c_unexpected_isr		/* ffd84: Not supported */
+	.long	_m16c_unexpected_isr		/* ffd88: Not supported */
+	.long	_m16c_unexpected_isr		/* ffd8c: Not supported */
+	.long	_m16c_unexpected_isr		/* ffd90: Not supported */
+	.long	_m16c_unexpected_isr		/* ffd94: Not supported */
+	.long	_m16c_unexpected_isr		/* ffd98: Not supported */
+	.long	_m16c_unexpected_isr		/* ffd9c: Not supported */
+	.long	_m16c_unexpected_isr		/* ffda0: Not supported */
+	.long	_m16c_unexpected_isr		/* ffda4: Not supported1 */
+	.long	_m16c_unexpected_isr		/* ffda8: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdac: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdb0: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdb4: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdb8: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdbc: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdc0: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdc4: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdc8: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdcc: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdd0: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdd4: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdd8: Not supported */
+	.long	_m16c_unexpected_isr		/* ffddc: Not supported */
+	.long	_m16c_unexpected_isr		/* ffde0: Not supported */
+	.long	_m16c_unexpected_isr		/* ffde4: Not supported */
+	.long	_m16c_unexpected_isr		/* ffde8: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdec: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdf0: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdf4: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdf8: Not supported */
+	.long	_m16c_unexpected_isr		/* ffdfc: Not supported */
+#endif
+
+/* Fixed vector section
+ *
+ * The fixed vector table begins at address ffe00.  The firt portion
+ * of the fixed vector table is the special page table.  This table
+ * is not currently used.
+ */
+ 	.section specpg				/* Special page table */
+ 
+	.section fixvects			/* Fixed vector table */
+	.globl	_m16c_undefinst_irq
+	.long	_m16c_undefinst_irq		/* fffdc: Undefined instruction */
+	.globl	_m16c_overflow_irq
+	.long	_m16c_overflow_irq		/* fffe0: Overflow */
+	.globl	_m16c_brkinst_irq
+	.long	_m16c_brkinst_irq		/* fffe4: BRK instruction */
+	.globl	_m16c_addrmatch_irq
+	.long	_m16c_addrmatch_irq		/* fffe8: Address match */
+#ifdef CONFIG_M16C_DEBUGGER
+	.globl	_m16c_sstep_irq
+	.long	_m16c_sstep_irq			/* fffec: Single step */
+#else
+	.long	_m16c_unexpected_isr		/* fffec: Not supported */
+#endif
+	.globl	_m16c_wdog_irq
+	.long	_m16c_wdog_irq			/* ffff0: Watchdog timer */
+#ifdef CONFIG_M16C_DEBUGGER
+	.globl	_m16c_dbc_irq
+	.long	_m16c_dbc_irq			/* ffff4: DBC */
+#else
+	.long	_m16c_unexpected_isr		/* ffff4: Not supported */
+#endif
+	.globl	_m16c_nmi_irq
+	.long	_m16c_nmi_irq			/* ffff8: NMI */
+	.long	__start				/* ffffc: Reset */
+
+/************************************************************************************
+ * Code
+ ************************************************************************************/
+/************************************************************************************
+ * Name: 
+ *
+ * Description:
+ *
+ ************************************************************************************/
+
+ 	.text
+	.end