// Interrupt Table
reset:     br >main
           nop
hardfault: br >hardfault_handler
           nop
memfault:  br >memfault_handler
           nop
irq3:      br >irq3_handler
           nop

// Main Function
main:
           ldr sp, >sp_init
           clr sr

// endless loop to stop program
final:
           br >final
           nop

// Interrupt Handler
hardfault_handler:
           reti

memfault_handler:
           reti

irq3_handler:
           reti

// Constant Declaration
.align
sp_init:   .word 0x400 // Stackpointer Initial Value