!     + Syscalls have number in %g1, options in %o0,%o1,...
!	Result returned in %o0
!	Linux syscall is called by "ta 0x10"

.equ SYSCALL_EXIT,1	
.equ SYSCALL_WRITE,4

.equ STDOUT,1

	.globl _start
_start:
       set	data_region,%i0
       set	0xae60,%g4
       ld	[ %i0 + 0x4 ], %g3
       inc	%g3
       
       cmp	%g4,%g3
       ble	less_equal
       nop
       ba	greater
       nop
       
less_equal:
       set	lessequal_string,%o1
       ba	write_stdout
       nop

greater:
       set	greater_string,%o1
       
	#================================
	# WRITE_STDOUT
	#================================
	# %o1 has string

write_stdout:

	set	SYSCALL_WRITE,%g1	! Write syscall in %g1
	set	STDOUT,%o0		! 1 in %o0 (stdout)
	set	0,%o2			! 0 (count) in %o2

str_loop1:
	ldub	[%o1+%o2],%l0		! load byte
	cmp	%l0,%g0			! compare against zero
	bnz	str_loop1		! if not nul, repeat
	# BRANCH DELAY SLOT
	inc	%o2			! increment count

	dec	%o2			! correct count	
	ta	0x10			! run the syscall

exit:		
        mov	0,%o0			! exit value
        mov	SYSCALL_EXIT,%g1        ! put the exit syscall number in g1
        ta      0x10			! and exit




!===========================================================================
.data
!===========================================================================

data_region:		.int -1,-1
greater_string:		.ascii  "Greater\n\0"
lessequal_string:	.ascii  "Less Equal\n\0"