.data

time: .asciiz "00:00:00\n" 	# array hh:mm:ss

.text

#initialize all variables in hex

	la $t0, time		#start location of time
	li $t1, 0 		# subsec = initial loop value
	li $t2, 0 		# seconds = 0
	li $t3, 0 		# minutes = 0
	li $t4, 0 		# hours = 0
	li $t5, 60		# set variable to set seconds 
				# and minutes against
	li $t6, 13		# set variable to test hours against
	
	li $t7, 10		# set variable to test subsec against
	li $t8, 10		# add 10 seconds after 10 sec pass
	
	
Loop:				# main loop

	addi $t1,$t1,1 		# increment subsec 
				# goal is to do this enough times
				# at 30 inst/sec to equal 1 sec
	beq $t7,$t1,inSec 	# if subsec = 30 or equivalent 
				
	j Loop			# loop back to beginning
	
inSec: 

	li $t1,4 #reset subsec, with an offset 4
	addi $s0,$t2,48
	addi $t2,$t2,1 #increment seconds
	sb $s0, 7($t0) #save seconds byte
	la $a0, time # load address of time string to print
	li $v0, 4 # specify Print String service
	
	syscall
	beq  $t2,10,incTenSec
	addi $t2,$t2,0 #increment seconds
	
	beq  $t2,60,incMin #if seconds < 60 
	j Loop #Loop back to begining
	
incTenSec: #

	li $t1, 1 #reset subsec, with offset
	li $t2,0
	addi $s0,$t8, 39
	sb $s0, 6($t0) #save seconds byte
	la $a0, time # load address of time string to print
	li $v0, 4 # specify Print String service
	#li $t2, 0 #reset seconds
	addi $t8,$t8, 1 #add 10 seconds increment
	beq $t2,$t5, incMin
	j Loop	
	
incMin: #

	li $t1,7 #reset subsec, with an offset
	li $t2,0 #reset seconds
	addi $t3,$t3,1 #increment minutes
	sb $s0, 5($t0) #save seconds byte
	la $a0, time # load address of time string to print
	li $v0, 4 # specify Print String service
	#li $t2, 0 #reset seconds
	#addi $t3,$t3, 1 #add minues increment
	#beq $t2,$t5, incMin
	j Loop	
	beq $t3,$t5,incHrs #if minutes < 60 
	j Loop #Loop back to begining
	
incHrs:

	li $t1,11 #reset subsec, with an offset
	addi $t4,$t4,1 #increment hours
	beq $t4,$t5,incHrs #if minutes < 60 
	j Loop #Loop back to begining

#print and return to subsec
#print: #ASCII number char start at d48
#add $t0, $zero, $a0 # starting address of array
#jr $ra #return