/* --------------------------------------------------
   Define required labels for EGTAPI
   -------------------------------------------------- */
        .global main, Stop, CodeEnd
	.global DataStart, DataEnd

	.global x, y

/* --------------------------------------------------
   Begin of the program instructions
   -------------------------------------------------- */
	.text
main:
        movw    r0, #:lower16:x 	// Moves the address of memory
        movt    r0, #:upper16:x 	// variable x into register r0

	mov	r1, #-2

	// Move -2 into short var x (correct !)
	str  	r1,[r0]			// x = -2, correct

	// Change strh to strb   and you will get x = 254 !!
				// Can you explain why x contains 254 ?

	// Change strh to str   and you will get y = -1  !!
				// Can you explain why y gets updated to -1 ?



Stop:
CodeEnd:
    	nop

/* --------------------------------------------------
   Begin of the permanent program variables
   -------------------------------------------------- */
	.data
DataStart:

x:	.2byte     4		// short typed variable
y:	.2byte     9999		// short typed variable

DataEnd:

	.end