added load instructions

This commit is contained in:
yhp19 2020-12-11 15:54:23 +08:00
parent 1bf7b5d40e
commit 47e0f42f92

View file

@ -34,6 +34,13 @@ LUI $4,0xAAAA
AND $2,$4,$5
JR $0
3405cccc
3c05cccc
3404aaaa
3c04aaaa
00851024
00000008
register_v0 = 0x88888888
==ANDI Bitwise and immediate==
@ -43,6 +50,11 @@ LUI $4,0xAAAA
ANDI $2,$4,0xCCCC
JR $0
3404aaaa
3c04aaaa
3082cccc
00000008
register_v0 = 0x00008888
==BEQ Branch on equal==
@ -223,18 +235,34 @@ MFLO $5
ADDU $2,$4,$5
JR $0
34040003
34050009
00A4001A
00002010
00002812
00851021
00000008
register_v0 = 3
==DIVU Divide unsigned== //May need other testcases for -ve/+ve, -ve/-ve
LUI $4,0x8000
ORI $5,$0,2
DIV $4,$5
DIVU $4,$5
MFHI $4
MFLO $5
ADDU $2,$4,$5
JR $0
34048000
34050002
0085001B
00002010
00002812
00851021
00000008
register_v0 = 0x40000000
==J Jump==
@ -277,7 +305,6 @@ JR $4
34020001
00800008
register_v0 = 2
==JAL Jump and link==
@ -321,14 +348,154 @@ JR $0
register_v0 = 1
LB Load byte
LBU Load byte unsigned
LH Load half-word
LHU Load half-word unsigned
LUI Load upper immediate
LW Load word
LWL Load word left
LWR Load word right
==LB Load byte==
ORI $4,$0,0x1003
LB $2,3($4)
JR $0
-Instruction Hex
34041003
80820003
00000008
-Memory Hex
00000000
008A0000
register_v0 = 0xFFFFFF8A
==LBU Load byte unsigned==
ORI $4,$0,0x1003
LBU $2,3($4)
JR $0
-Instruction Hex
34041003
90820003
00000008
-Memory Hex
00000000
008A0000
register_v0 = 0x0000008A
==LH Load half-word==
ORI $4,$0,0x1003
LH $2,4($4)
JR $0
-Instruction Hex
34041003
84820004
00000008
-Memory Hex
00000000
00008123
register_v0 = 0xFFFF8123
==LHU Load half-word unsigned==
ORI $4,$0,0x1003
LHU $2,4($4)
JR $0
-Instruction Hex
34041003
94820004
00000008
-Memory Hex
00000000
00008123
register_v0 = 0x00008123
==LUI Load upper immediate==
ORI $2,$0,0x5678
LUI $2,0x1234
JR $0
34045678
3C021234
00000008
register_v0 = 0x12345678
==LW Load word==
ORI $4,$0,0x1002
LW $2, 2($4)
JR $0
-Instruction Hex
34041002
8C820002
00000008
-Memory Hex
00000000
12345678
register_v0 = 0x12345678
==LWL Load word left==
ORI $4,$0,0x1003
ORI $2,$0,0x5678
LWL $2,3($4)
JR $0
-Instruction Hex
34041003
34025678
88820003
00000008
-Memory Hex
00000000
AAAA1234
register_v0 = 0x12345678
==LWR Load word right==
ORI $4,$0,0x1003
LUI $2,0x1234
LWR $2,2($4)
JR $0
-Instruction Hex
34041003
3C021234
98820002
00000008
-Memory Hex
00000000
5678AAAA
register_v0 = 0x12345678
// DIVU Divide unsigned