==========DIVU - Divide unsigned========== 

divu - 2 // is it seperating quotients & remainders correctly 

ori $4, $0, 4
ori $5, $0, 3
divu $4, $5 
mfhi $4
mflo $5
addu $2,$4,$5
jr $0

ref file = 2

34040004
34050003
0085001B
00002010
00002812
00851021
00000008

divu - 3 // check if unsigned despite MSB=1

lui $4, $0, 0xFFFF
ori $4, $4, 0xFFFC
lui $5, $0, 0xFFFF
ori $5, $5, 0xFFFE
divu $4, $5
mfhi $2			// look at remainder
jr $0

reg file = 4294967292 (0xFFFFFFFC)

3c04FFFF
3484FFFC
3c05ffff
34A5FFFE
0085001B
00001010
00000008

divu - 4 // +ve/(-ve value if signed but unsigned div here)

ori $4, $0, 0x4
lui $5, $0, 0xFFFF
ori $5, $5, 0xFFFC
divu $4, $5
mfhi $2
jr $0

reg file = 4 (0x4)

34040004
3c05FFFF
34A5FFFC
0085001B
00001010
00000008


divu - 5 // is it seperating quotients & remainders correctly 

lui $4, $0, 0xFF00
ori $4, $4, 0xFF04
lui $5, $0, 0x00FF
ori $5, $5, 0x00FF
divu $4, $5 
mfhi $4
mflo $5
addu $2,$4,$5
jr $0

ref file = 256 (remainder) + 4 (quotient)

3404FF00
3484FF04
340500FF
34A500FF
0085001A
00002010
00002812
00851021
00000008