!--------------------------------------
! toascii.S
! Load and Store Instructions
!--------------------------------------

.section ".rodata"

pcPrompt:
	.asciz "Enter a character:  "

pcScanfFormat:
	.asciz "%c"

pcResult:
	.asciz "The character's ASCII code is %d.\n"

!--------------------------------------

.section ".data"

!--------------------------------------

.section ".bss"

pcChar:
	.skip 1

	.align 4
piAsciiCode:
	.skip 4

!--------------------------------------

.section ".text"

	.align 4
	.global main

main:

	save	%sp, -96, %sp

	! printf("Enter a character:  ") ; 
	set	pcPrompt, %o0
	call	printf
	nop

	! scanf("%c", &cChar); 
	set	pcScanfFormat, %o0
	set	pcChar, %o1
	call	scanf
	nop

	! iAsciiCode = (int)iChar;
	set	pcChar, %l0
	ldub	[%l0], %l1
	set	piAsciiCode, %l2
	st 	%l1, [%l2]
	
	! printf("The character's ASCII code is %d.\n", iAsciiCode); 
	set	pcResult, %o0
	set	piAsciiCode, %o1
	ld 	[%o1], %o1
	call	printf
	nop
	
	! return 0;
	mov	0, %i0
	ret
	restore