Code Examples from Class

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Revision as of 14:31, 5 November 2013 by Frohro (talk | contribs) (Created page with "* Copy to RAM AREA Exaddress, CODE, READONLY EXPORT Reset_Handler Reset_Handler LDR R9, =list mov R7, #4 ; number in list ldr r6, =datastart loop ldr …")
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  • Copy to RAM
   AREA Exaddress, CODE, READONLY
   EXPORT Reset_Handler
Reset_Handler
   LDR R9, =list
   mov R7, #4 ; number in list
   ldr r6, =datastart

loop
   ldr r8,[r9],#4
   str r8,[r6],#4
   subs r7,r7,#1
   bne loop

stop b stop
   ALIGN
list DCW 0x1111, 0x2222, 0x3333, 0x4444, 0x5555
   ALIGN
string DCB "This is a test.",0
string2 DCB 'T','h','i'
   ALIGN
   AREA Thedata, DATA, NOINIT, READWRITE
datastart SPACE 20

   END