.cpu cortex-m0

.thumb

.word 0x20005000 /* stack top address */

.word _reset /* 1 Reset */

.word spin /* 2 NMI */

.word spin /* 3 Hard Fault */

.word spin /* 4 MM Fault */

.word spin /* 5 Bus Fault */

.word spin /* 6 Usage Fault */

.word spin /* 7 RESERVED */

.word spin /* 8 RESERVED */

.word spin /* 9 RESERVED*/

.word spin /* 10 RESERVED */

.word spin /* 11 SV call */

.word spin /* 12 Debug reserved */

.word spin /* 13 RESERVED */

.word spin /* 14 PendSV */

.word spin /* 15 SysTick */

.word spin /* 16 IRQ0 */

.word spin /* 17 IRQ1 */

.word spin /* 18 IRQ2 */

.word spin /* 19 ... */

/* On to IRQ67 */

spin: b spin

.thumb_func

.global _reset

_reset:

bl main

b .