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

	.global i, s, b			// i is int, s is short, b is byte

/* --------------------------------------------------
   Begin of the program instructions
   -------------------------------------------------- */
	.text
main:
        // I changed r1 after making the teaching material...
	movw	r1, #:lower16:0x01020307  // r1 = 00000001 00000010 00000011 00000111
	movt	r1, #:upper16:0x01020307  // Hex:    0   1    0   2    0   3    0   7


// -------------------------------------------------
// Now we show the effect of strb, strh and str
// -------------------------------------------------

	// Store byte in r1 to b
        movw    r0, #:lower16:b		// Moves the address of memory
        movt    r0, #:upper16:b		// variable b into register r0
	strb	r1,[r0]			// Move 1 byte  from r1 to var

	// Store half of r1 to s
        movw    r0, #:lower16:s		// Moves the address of memory
        movt    r0, #:upper16:s		// variable s into register r0
	strh	r1,[r0]			// Move 2 bytes from r1 to var

	// Store all of r1 to i
        movw    r0, #:lower16:i		// Moves the address of memory
        movt    r0, #:upper16:i		// variable i into register r0
	str	r1,[r0]			// Move 4 bytes from r1 to var

        // Store half of r1 to s
        movw    r0, #:lower16:s         // Moves the address of memory
        movt    r0, #:upper16:s         // variable s into register r0
        str     r1,[r0]                 // Move 2 bytes from r1 to var



Stop:
CodeEnd:
    	nop

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

i:	.4byte -4   // int   typed variable
s:	.2byte -3   // short typed variable
b:	.byte  -2   // byte  typed variable

DataEnd:

	.end