From 4ab4809a8a6806fee6904635b199c5616d4acf45 Mon Sep 17 00:00:00 2001 From: theexecutor13 Date: Thu, 17 Dec 2020 11:47:13 +0000 Subject: [PATCH] restructuring --- reference.txt | 848 ---------- .../Instructions.xlsx | Bin mips-isa.pdf => reference/mips-isa.pdf | Bin reference/reference.txt | 1412 ++++++++++------- structure.png => reference/structure.png | Bin 5 files changed, 848 insertions(+), 1412 deletions(-) delete mode 100644 reference.txt rename Instructions.xlsx => reference/Instructions.xlsx (100%) rename mips-isa.pdf => reference/mips-isa.pdf (100%) rename structure.png => reference/structure.png (100%) diff --git a/reference.txt b/reference.txt deleted file mode 100644 index ebd0fdd..0000000 --- a/reference.txt +++ /dev/null @@ -1,848 +0,0 @@ -== Instruction == -Assembly code -Hex code -Reference Output -================ - -==ADDIU Add immediate unsigned (no overflow)== - -ORI $4,$0,0xA -JR $0 -ADDIU $2,$4,20 - -3404000a -00000008 -24820014 - -register_v0 = 30 - -== ADDU Add unsigned (no overflow) == - -ORI $4,$0,3 -ORI $5,$0,5 -JR $0 -ADDU $2,$4,$5 - -34040003 -34050005 -00000008 -00851021 - -register_v0 = 8 - -==AND Bitwise and== - -LUI $5,0xCCCC -ORI $5,$5,0xCCCC -LUI $4,0xAAAA -ORI $4,$4,0xAAAA -JR $0 -AND $2,$4,$5 - -3c05cccc -34A5cccc -3c04aaaa -3484aaaa -00000008 -00851024 - -register_v0 = 0x88888888 / 2290649224 - -==ANDI Bitwise and immediate== - -LUI $4,0xAAAA -ORI $4,$0,0xAAAA -JR $0 -ANDI $2,$4,0xCCCC - -3c04aaaa -3404aaaa -00000008 -3082cccc - -register_v0 = 0x00008888 / 34952 - -==BEQ Branch on equal== - -ORI $4,$0,5 -ORI $5,$0,5 -BEQ $4,$5,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34040005 -34050005 -10850003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BGEZ Branch on greater than or equal to zero== - -ORI $4,$0,3 -BGEZ $4,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34040003 -04810003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BGEZAL Branch on non-negative (>=0) and link== - -ORI $4,$0,3 -BGEZAL $4,4 -NOP -ADDIU $2,$2,1 -JR $0 -NOP -ORI $2,$0,1 -JR $31 - -34040003 -04910004 -00000000 -24420001 -00000008 -00000000 -34020001 -03E00008 - -register_v0 = 2 - -==BGTZ Branch on greater than zero== - -ORI $4,$0,3 -BGTZ $4,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34040003 -1C800003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BLEZ Branch on less than or equal to zero== - -LUI $4,0xFFFF -BLEZ $4,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -3C05FFFF -18800003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BLTZ Branch on less than zero== - -LUI $4,0xFFFF -BLTZ $4,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -3C04FFFF -04800003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BLTZAL Branch on less than zero and link== - -LUI $4,0xFFFF -BLTZAL $4,4 -NOP -ADDIU $2,$2,1 -JR $0 -NOP -ORI $2,$0,1 -JR $31 - -3C05FFFF -04900004 -00000000 -24420001 -00000008 -00000000 -34020001 -03E00008 - -register_v0 = 2 - -==BNE Branch on not equal== - -ORI $4,$0,3 -ORI $5,$0,5 -BNE $4,$5,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34040003 -34040005 -14850003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==DIV Divide== //May need other testcases for -ve/+ve, -ve/-ve - -ORI $4,$0,3 -ORI $5,$0,9 -DIV $5,$4 -MFHI $4 -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 -DIVU $4,$5 -MFHI $4 -MFLO $5 -ADDU $2,$4,$5 -JR $0 - -3C048000 -34050002 -0085001B -00002010 -00002812 -00851021 -00000008 - -register_v0 = 0x40000000 / 1073741824 - -==J Jump== - -J 4 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -08000004 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==JALR Jump and link register== - -LUI $5,0xBFC0 -ORI $5,$5,0x001C -JALR $4,$5 -NOP -ADDIU $2,$2,1 -JR $0 -NOP -ORI $2,$0,1 -JR $4 - -3C05BCF0 -34A5001C -00A02009 -00000000 -24420001 -00000008 -00000000 -34020001 -00800008 - -register_v0 = 2 - -==JAL Jump and link== - -JAL 5 -NOP -ADDIU $2,$2,1 -JR $0 -NOP -ORI $2,$0,1 -JR $31 - -0C000005 -00000000 -24420001 -00000008 -00000000 -34020001 -03E00008 - -register_v0 = 2 - -==JR Jump register== - -LUI $5,0xBFC0 -ORI $5,$5,0x0014 -JR $5 -NOP -JR $0 -NOP -ORI $2,$0,0xA -JR $0 - -3C05BFC0 -34A50014 -00A00008 -00000000 -00000008 -3402000A -00000008 - -register_v0 = 10 - -==LB Load byte== - -ORI $4,$0,0x1001 -JR $0 -LB $2,5($4) - --Instruction Hex - -34041001 -00000008 -80820005 - --Memory Hex - -00000000 -008A0000 -00000000 -00000000 - -register_v0 = 0xFFFFFF8A / 4294967178 - -==LBU Load byte unsigned== - -ORI $4,$0,0x1002 -JR $0 -LBU $2,4($4) - --Instruction Hex - -34041002 -00000008 -90820004 - --Memory Hex - -00000000 -008A0000 -00000000 -00000000 - -register_v0 = 0x0000008A / 138 - -==LH Load half-word== - -ORI $4,$0,0x1000 -JR $0 -LH $2,4($4) - --Instruction Hex - -34041003 -00000008 -84820004 - --Memory Hex - -00000000 -00008123 -00000000 -00000000 - -register_v0 = 0xFFFF8123 / 4294934819 - -==LHU Load half-word unsigned== - -ORI $4,$0,0x1000 -JR $0 -LHU $2,4($4) - --Instruction Hex - -34041000 -00000008 -94820004 - --Memory Hex - -00000000 -00008123 -00000000 -00000000 - -register_v0 = 0x00008123 / 33059 - -==LUI Load upper immediate== - -LUI $2,0x1234 -ORI $2,$2,0x5678 -JR $0 - -3C021234 -34425678 -00000008 - -register_v0 = 0x12345678 / 305419896 - -==LW Load word== - -ORI $4,$0,0x1002 -JR $0 -LW $2, 2($4) - --Instruction Hex - -34041002 -00000008 -8C820002 - --Memory Hex - -00000000 -12345678 -00000000 -00000000 - -register_v0 = 0x12345678 / 305419896 - -==LWL Load word left== - -ORI $4,$0,0x1001 -ORI $2,$0,0x5678 -JR $0 -LWL $2,3($4) - --Instruction Hex - -34041001 -34025678 -00000008 -88820003 - --Memory Hex - -00000000 -AAAA1234 -00000000 -00000000 - -register_v0 = 0x12345678 / 305419896 - -==LWR Load word right== - -LUI $2,0x1234 -ORI $4,$0,0x1002 -JR $0 -LWR $2,3($4) - --Instruction Hex - -3C021234 -34041002 -00000008 -98820003 - --Memory Hex - -00000000 -5678AAAA -00000000 -00000000 - -register_v0 = 0x12345678 / 305419896 - -==MTHI Move to HI== - -ori $4, $0, 5 -mthi $4 -mfhi $2 -jr $0 - -34040005 -00800011 -00001010 -00000008 - -register_v0 = 5 - -==MTLO Move to LO== - -ori $4, $0, 5 -mtlo $4 -mflo $2 -jr $0 - -34040005 -00800013 -00001012 -00000008 - -register_v0 = 5 - -==MULT Multiply== - -ori $4, $0, 4 -ori $5, $0, 3 -mult $4, $5 -mflo $2 -jr $0 - -34040004 -34050003 -00850018 -00001012 -00000008 - -register_v0 = 12 - -==MULTU Multiply unsigned== - -ori $4, $0, 4 -ori $5, $0, 3 -multu $4, $5 -mflo $2 -jr $0 - -34040004 -34050003 -00850019 -00001012 -00000008 - -register_v0 = 12 - -==OR Bitwise or== - -ori $4, $0, 5 -ori $5, $0, 3 -jr $0 -or $2, $4, $5 - -34040005 -34050003 -00000008 -00851025 - -register_v0 = 7 - -==ORI Bitwise or immediate== - -ori $4, $0, 0xFFFF -ori $5, $0, 0x1234 -jr $0 -or $2, $4, $5 - -3404FFFF -34051234 -00851025 -00000008 - -register_v0 = 65535 - -==SB Store byte== - -lui $4, 0x1234 -ori $4, $0, 0x5678 -lui $5, 0xBFC0 -ori $5, $0, 0x001C -sb $4, 0($5) -lb $2, 0($5) -jr $0 - -3C041234 -34045678 -3C05BFC0 -3405001C -A0A40000 -80A20000 -00000008 - -register_v0 = 0x00000078 - -==SH Store half-word== - -lui $4, 0x1234 -ori $4, $0, 0x5678 -lui $5, 0xBFC0 -ori $5, $0, 0x001C -sh $4, 0($5) -lh $2, 0($5) -jr $0 - -3C041234 -34045678 -3C05BFC0 -3405001C -A4A40000 -84A40000 -00000008 - -register_v0 = 0x00005678 - -==SLL Shift left logical== - -ori $4,$0,3 -jr $0 -sll $2,$4,2 - - -34040003 -00000008 -00041080 - -register_v0 = 12 - -==SLLV Shift left logical variable== - -ori $4,$0,2 -ori $5,$0,3 -jr $0 -sllv $2,$5,$4 - -34040002 -34050003 -00000008 -00851004 - -register_v0 = 12 - -==SLT Set on less than (signed)== - -ORI $4 $zero 0xFFFF -ORI $5 $zero 0x000B -jr $0 -SLT $2 $4 $5 - -3404FFFF -3405000B -00000008 -0085102A - -register_v0 = 0 - -==SLTI Set on less than immediate (signed)== - -ori $4, $0, 10 -jr $0 -slti $2, $4, 9 - -3404000a -00000008 -28820009 - -register_v0 = 0 - -==SLTIU Set on less than immediate unsigned== - -ori $4, $0, 10 -jr $0 -sltiu $2, $4, 9 - -3404000a -00000008 -2c820009 - -register_v0 = 0 - -==SLTU Set on less than unsigned== - -ori $4, $0, 10 -ori $5, $0, 9 -jr $0 -sltu $2, $4, $5 - -3404000a -34050009 -00000008 -0085102b - -register_v0 = 0 - -==SRA Shift right arithmetic== - -lui $5 $0,0xF000 -jr $0 -srav $2,$5,2 - -3C05F000 -00000008 -00051083 - -register_v0 = 0xFC000000 / 4227858432 - -==SRAV Shift right arithmetic variable== - -ori $4,$0,2 -lui $5, 0xF000 -jr $0 -srav $2,$5,$4 - -34040002 -3C05F000 -00000008 -00851007 - -register_v0 = 0xFC000000 / 4227858432 - -==SRL Shift right logical== - -ori $4,$0,16 -jr $0 -srl $2,$4,2 - -34040010 -00000008 -00041082 - -register_v0 = 4 - -==SRLV Shift right logical variable== - -ori $4,$0,2 -ori $5,$0,16 -jr $0 -srlv $2,$5,$4 - -34040002 -34050010 -00000008 -00851006 - -register_v0 = 4 - -==SUBU Subtract unsigned== - -ori $4,$0,5 -ori $5,$0,3 -jr $0 -subu $2,$4,$5 - -34040005 -34050003 -00000008 -00851023 - -register_v0 = 2 - -==SW Store word== - -ori $4, $0, 0xFFFF -ori $5, $0, 0x1008 -sw $4, 4($5) -lw $2, 4($5) -jr $0 - -3404FFFF -34051008 -ACA40004 -8CA20004 -00000008 - -register_v0 = 0x0000FFFF / 65535 - --Negative Offset - -ori $4, $0, 0xFFFF -ori $5, $0, 0x1008 -sw $4, -4($5) -lw $2, -4($5) -jr $0 - -3404FFFF -34051008 -ACA4FFFC -8CA2FFFC -00000008 - -register_v0 = 0x0000FFFF / 65535 - -==XOR Bitwise exclusive or== - -ori $4, $0, 5 -ori $5, $0, 2 -jr $0 -xor $2, $4, $5 - -34040005 -34050002 -00000008 -00851026 - -register_v0 = 7 - -==XORI Bitwise exclusive or immediate== - -ori $4,$0,5 -jr $0 -xori $2,$4,0x000F - -34040005 -00000008 -3882000F - -register_v0 = 10 diff --git a/Instructions.xlsx b/reference/Instructions.xlsx similarity index 100% rename from Instructions.xlsx rename to reference/Instructions.xlsx diff --git a/mips-isa.pdf b/reference/mips-isa.pdf similarity index 100% rename from mips-isa.pdf rename to reference/mips-isa.pdf diff --git a/reference/reference.txt b/reference/reference.txt index 8583183..ebd0fdd 100644 --- a/reference/reference.txt +++ b/reference/reference.txt @@ -1,564 +1,848 @@ -== Instruction == -C code -Assembly code -Hex code -Reference Output -================ - -ADDIU Add immediate unsigned (no overflow) - -== ADDU Add unsigned (no overflow) == - -int main(void) { - int a = 3 + 5; -} - -ORI $4,$0,3 -ORI $5,$0,5 -ADDU $2,$4,$5 -JR $0 - -34040003 -34050005 -00851021 -00000008 - -register_v0 = 8 - -==AND Bitwise and== - -ORI $5,$0,0xCCCC -LUI $5,0xCCCC -ORI $4,$0,0xAAAA -LUI $4,0xAAAA -AND $2,$4,$5 -JR $0 - -3405cccc -3c05cccc -3404aaaa -3c04aaaa -00851024 -00000008 - -register_v0 = 0x88888888 - -==ANDI Bitwise and immediate== - -ORI $4,$0,0xAAAA -LUI $4,0xAAAA -ANDI $2,$4,0xCCCC -JR $0 - -3404aaaa -3c04aaaa -3082cccc -00000008 - -register_v0 = 0x00008888 - -==BEQ Branch on equal== - -ORI $4,$0,5 -ORI $5,$0,5 -BEQ $4,$5,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34040005 -34050005 -10850003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BGEZ Branch on greater than or equal to zero== - -ORI $4,$0,3 -BGEZ $4,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34040003 -04810003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BGEZAL Branch on non-negative (>=0) and link== - -ORI $4,$0,3 -BGEZAL $4,4 -NOP -ADDIU $2,$2,1 -JR $0 -NOP -ORI $2,$0,1 -JR $31 - -34040003 -04910004 -00000000 -24420001 -00000008 -00000000 -34020001 -03E00008 - -register_v0 = 2 - -==BGTZ Branch on greater than zero== - -ORI $4,$0,3 -BGTZ $4,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34040003 -1C800003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BLEZ Branch on less than or equal to zero== - -LUI $4,0xFFFF -BLEZ $4,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -3C05FFFF -18800003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BLTZ Branch on less than zero== - -LUI $4,0xFFFF -BLTZ $4,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -3C05FFFF -04800003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==BLTZAL Branch on less than zero and link== - -LUI $4,0xFFFF -BLTZAL $4,4 -NOP -ADDIU $2,$2,1 -JR $0 -NOP -ORI $2,$0,1 -JR $31 - -3C05FFFF -04900004 -00000000 -24420001 -00000008 -00000000 -34020001 -03E00008 - -register_v0 = 2 - -==BNE Branch on not equal== - -ORI $4,$0,3 -ORI $5,$0,5 -BNE $4,$5,3 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34040003 -34040005 -14850003 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==DIV Divide== //May need other testcases for -ve/+ve, -ve/-ve - -ORI $4,$0,3 -ORI $5,$0,9 -DIV $5,$4 -MFHI $4 -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 -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== - -J 4 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -08000004 -00000000 -00000008 -00000000 -34020001 -00000008 - -register_v0 = 1 - -==JALR Jump and link register== - -ORI $5,$0,0x001C -LUI $5,0xBFC0 -JALR $4,$5 -NOP -ADDIU $2,$2,1 -JR $0 -NOP -ORI $2,$0,1 -JR $4 - -3405001C -3C05BCF0 -00A02009 -00000000 -24420001 -00000008 -00000000 -34020001 -00800008 - -register_v0 = 2 - -==JAL Jump and link== - -JAL 5 -NOP -ADDIU $2,$2,1 -JR $0 -NOP -ORI $2,$0,1 -JR $31 - -0C000005 -00000000 -24420001 -00000008 -00000000 -34020001 -03E00008 - -register_v0 = 2 - -==JR Jump register== - -ORI $5,$0,0x0014 -LUI $5,0xBFC0 -JR $5 -NOP -JR $0 -NOP -ORI $2,$0,1 -JR $0 - -34050014 -3C05BCF0 -00A00008 -00000000 -00000008 -34020001 -00000008 - -register_v0 = 1 - -==LB Load byte== - -ORI $4,$0,0x1003 -LB $2,3($4) -JR $0 - --Instruction Hex - -34041003 -80820003 -00000008 - --Memory Hex - -00000000 -008A0000 -00000000 -00000000 - -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 -00000000 -00000000 - -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 -00000000 -00000000 - -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 -00000000 -00000000 - -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 -00000000 -00000000 - -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 -00000000 -00000000 - -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 -00000000 -00000000 - -register_v0 = 0x12345678 - -// DIVU Divide unsigned - -// DIV Divide - -//MFHI Move from Hi - -//MFLO Move from lo - -//MTHI Move to HI - -//MTLO Move to LO - -//MULT Multiply** - -//MULTU Multiply unsigned** - -//OR Bitwise or - -//ORI Bitwise or immediate - -//SB Store byte - -//SH Store half-word** - -//SLL Shift left logical - -//SLLV Shift left logical variable - -//SLT Set on less than (signed) - -//SLTI Set on less than immediate (signed) - -//SLTIU Set on less than immediate unsigned - -//SLTU Set on less than unsigned - -//SRA Shift right arithmetic - -//SRAV Shift right arithmetic - -//SRL Shift right logical - -//SRLV Shift right logical variable - -//SUBU Subtract unsigned - -//SW Store word - -//XOR Bitwise exclusive or - -//XORI Bitwise exclusive or immediate +== Instruction == +Assembly code +Hex code +Reference Output +================ + +==ADDIU Add immediate unsigned (no overflow)== + +ORI $4,$0,0xA +JR $0 +ADDIU $2,$4,20 + +3404000a +00000008 +24820014 + +register_v0 = 30 + +== ADDU Add unsigned (no overflow) == + +ORI $4,$0,3 +ORI $5,$0,5 +JR $0 +ADDU $2,$4,$5 + +34040003 +34050005 +00000008 +00851021 + +register_v0 = 8 + +==AND Bitwise and== + +LUI $5,0xCCCC +ORI $5,$5,0xCCCC +LUI $4,0xAAAA +ORI $4,$4,0xAAAA +JR $0 +AND $2,$4,$5 + +3c05cccc +34A5cccc +3c04aaaa +3484aaaa +00000008 +00851024 + +register_v0 = 0x88888888 / 2290649224 + +==ANDI Bitwise and immediate== + +LUI $4,0xAAAA +ORI $4,$0,0xAAAA +JR $0 +ANDI $2,$4,0xCCCC + +3c04aaaa +3404aaaa +00000008 +3082cccc + +register_v0 = 0x00008888 / 34952 + +==BEQ Branch on equal== + +ORI $4,$0,5 +ORI $5,$0,5 +BEQ $4,$5,3 +NOP +JR $0 +NOP +ORI $2,$0,1 +JR $0 + +34040005 +34050005 +10850003 +00000000 +00000008 +00000000 +34020001 +00000008 + +register_v0 = 1 + +==BGEZ Branch on greater than or equal to zero== + +ORI $4,$0,3 +BGEZ $4,3 +NOP +JR $0 +NOP +ORI $2,$0,1 +JR $0 + +34040003 +04810003 +00000000 +00000008 +00000000 +34020001 +00000008 + +register_v0 = 1 + +==BGEZAL Branch on non-negative (>=0) and link== + +ORI $4,$0,3 +BGEZAL $4,4 +NOP +ADDIU $2,$2,1 +JR $0 +NOP +ORI $2,$0,1 +JR $31 + +34040003 +04910004 +00000000 +24420001 +00000008 +00000000 +34020001 +03E00008 + +register_v0 = 2 + +==BGTZ Branch on greater than zero== + +ORI $4,$0,3 +BGTZ $4,3 +NOP +JR $0 +NOP +ORI $2,$0,1 +JR $0 + +34040003 +1C800003 +00000000 +00000008 +00000000 +34020001 +00000008 + +register_v0 = 1 + +==BLEZ Branch on less than or equal to zero== + +LUI $4,0xFFFF +BLEZ $4,3 +NOP +JR $0 +NOP +ORI $2,$0,1 +JR $0 + +3C05FFFF +18800003 +00000000 +00000008 +00000000 +34020001 +00000008 + +register_v0 = 1 + +==BLTZ Branch on less than zero== + +LUI $4,0xFFFF +BLTZ $4,3 +NOP +JR $0 +NOP +ORI $2,$0,1 +JR $0 + +3C04FFFF +04800003 +00000000 +00000008 +00000000 +34020001 +00000008 + +register_v0 = 1 + +==BLTZAL Branch on less than zero and link== + +LUI $4,0xFFFF +BLTZAL $4,4 +NOP +ADDIU $2,$2,1 +JR $0 +NOP +ORI $2,$0,1 +JR $31 + +3C05FFFF +04900004 +00000000 +24420001 +00000008 +00000000 +34020001 +03E00008 + +register_v0 = 2 + +==BNE Branch on not equal== + +ORI $4,$0,3 +ORI $5,$0,5 +BNE $4,$5,3 +NOP +JR $0 +NOP +ORI $2,$0,1 +JR $0 + +34040003 +34040005 +14850003 +00000000 +00000008 +00000000 +34020001 +00000008 + +register_v0 = 1 + +==DIV Divide== //May need other testcases for -ve/+ve, -ve/-ve + +ORI $4,$0,3 +ORI $5,$0,9 +DIV $5,$4 +MFHI $4 +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 +DIVU $4,$5 +MFHI $4 +MFLO $5 +ADDU $2,$4,$5 +JR $0 + +3C048000 +34050002 +0085001B +00002010 +00002812 +00851021 +00000008 + +register_v0 = 0x40000000 / 1073741824 + +==J Jump== + +J 4 +NOP +JR $0 +NOP +ORI $2,$0,1 +JR $0 + +08000004 +00000000 +00000008 +00000000 +34020001 +00000008 + +register_v0 = 1 + +==JALR Jump and link register== + +LUI $5,0xBFC0 +ORI $5,$5,0x001C +JALR $4,$5 +NOP +ADDIU $2,$2,1 +JR $0 +NOP +ORI $2,$0,1 +JR $4 + +3C05BCF0 +34A5001C +00A02009 +00000000 +24420001 +00000008 +00000000 +34020001 +00800008 + +register_v0 = 2 + +==JAL Jump and link== + +JAL 5 +NOP +ADDIU $2,$2,1 +JR $0 +NOP +ORI $2,$0,1 +JR $31 + +0C000005 +00000000 +24420001 +00000008 +00000000 +34020001 +03E00008 + +register_v0 = 2 + +==JR Jump register== + +LUI $5,0xBFC0 +ORI $5,$5,0x0014 +JR $5 +NOP +JR $0 +NOP +ORI $2,$0,0xA +JR $0 + +3C05BFC0 +34A50014 +00A00008 +00000000 +00000008 +3402000A +00000008 + +register_v0 = 10 + +==LB Load byte== + +ORI $4,$0,0x1001 +JR $0 +LB $2,5($4) + +-Instruction Hex + +34041001 +00000008 +80820005 + +-Memory Hex + +00000000 +008A0000 +00000000 +00000000 + +register_v0 = 0xFFFFFF8A / 4294967178 + +==LBU Load byte unsigned== + +ORI $4,$0,0x1002 +JR $0 +LBU $2,4($4) + +-Instruction Hex + +34041002 +00000008 +90820004 + +-Memory Hex + +00000000 +008A0000 +00000000 +00000000 + +register_v0 = 0x0000008A / 138 + +==LH Load half-word== + +ORI $4,$0,0x1000 +JR $0 +LH $2,4($4) + +-Instruction Hex + +34041003 +00000008 +84820004 + +-Memory Hex + +00000000 +00008123 +00000000 +00000000 + +register_v0 = 0xFFFF8123 / 4294934819 + +==LHU Load half-word unsigned== + +ORI $4,$0,0x1000 +JR $0 +LHU $2,4($4) + +-Instruction Hex + +34041000 +00000008 +94820004 + +-Memory Hex + +00000000 +00008123 +00000000 +00000000 + +register_v0 = 0x00008123 / 33059 + +==LUI Load upper immediate== + +LUI $2,0x1234 +ORI $2,$2,0x5678 +JR $0 + +3C021234 +34425678 +00000008 + +register_v0 = 0x12345678 / 305419896 + +==LW Load word== + +ORI $4,$0,0x1002 +JR $0 +LW $2, 2($4) + +-Instruction Hex + +34041002 +00000008 +8C820002 + +-Memory Hex + +00000000 +12345678 +00000000 +00000000 + +register_v0 = 0x12345678 / 305419896 + +==LWL Load word left== + +ORI $4,$0,0x1001 +ORI $2,$0,0x5678 +JR $0 +LWL $2,3($4) + +-Instruction Hex + +34041001 +34025678 +00000008 +88820003 + +-Memory Hex + +00000000 +AAAA1234 +00000000 +00000000 + +register_v0 = 0x12345678 / 305419896 + +==LWR Load word right== + +LUI $2,0x1234 +ORI $4,$0,0x1002 +JR $0 +LWR $2,3($4) + +-Instruction Hex + +3C021234 +34041002 +00000008 +98820003 + +-Memory Hex + +00000000 +5678AAAA +00000000 +00000000 + +register_v0 = 0x12345678 / 305419896 + +==MTHI Move to HI== + +ori $4, $0, 5 +mthi $4 +mfhi $2 +jr $0 + +34040005 +00800011 +00001010 +00000008 + +register_v0 = 5 + +==MTLO Move to LO== + +ori $4, $0, 5 +mtlo $4 +mflo $2 +jr $0 + +34040005 +00800013 +00001012 +00000008 + +register_v0 = 5 + +==MULT Multiply== + +ori $4, $0, 4 +ori $5, $0, 3 +mult $4, $5 +mflo $2 +jr $0 + +34040004 +34050003 +00850018 +00001012 +00000008 + +register_v0 = 12 + +==MULTU Multiply unsigned== + +ori $4, $0, 4 +ori $5, $0, 3 +multu $4, $5 +mflo $2 +jr $0 + +34040004 +34050003 +00850019 +00001012 +00000008 + +register_v0 = 12 + +==OR Bitwise or== + +ori $4, $0, 5 +ori $5, $0, 3 +jr $0 +or $2, $4, $5 + +34040005 +34050003 +00000008 +00851025 + +register_v0 = 7 + +==ORI Bitwise or immediate== + +ori $4, $0, 0xFFFF +ori $5, $0, 0x1234 +jr $0 +or $2, $4, $5 + +3404FFFF +34051234 +00851025 +00000008 + +register_v0 = 65535 + +==SB Store byte== + +lui $4, 0x1234 +ori $4, $0, 0x5678 +lui $5, 0xBFC0 +ori $5, $0, 0x001C +sb $4, 0($5) +lb $2, 0($5) +jr $0 + +3C041234 +34045678 +3C05BFC0 +3405001C +A0A40000 +80A20000 +00000008 + +register_v0 = 0x00000078 + +==SH Store half-word== + +lui $4, 0x1234 +ori $4, $0, 0x5678 +lui $5, 0xBFC0 +ori $5, $0, 0x001C +sh $4, 0($5) +lh $2, 0($5) +jr $0 + +3C041234 +34045678 +3C05BFC0 +3405001C +A4A40000 +84A40000 +00000008 + +register_v0 = 0x00005678 + +==SLL Shift left logical== + +ori $4,$0,3 +jr $0 +sll $2,$4,2 + + +34040003 +00000008 +00041080 + +register_v0 = 12 + +==SLLV Shift left logical variable== + +ori $4,$0,2 +ori $5,$0,3 +jr $0 +sllv $2,$5,$4 + +34040002 +34050003 +00000008 +00851004 + +register_v0 = 12 + +==SLT Set on less than (signed)== + +ORI $4 $zero 0xFFFF +ORI $5 $zero 0x000B +jr $0 +SLT $2 $4 $5 + +3404FFFF +3405000B +00000008 +0085102A + +register_v0 = 0 + +==SLTI Set on less than immediate (signed)== + +ori $4, $0, 10 +jr $0 +slti $2, $4, 9 + +3404000a +00000008 +28820009 + +register_v0 = 0 + +==SLTIU Set on less than immediate unsigned== + +ori $4, $0, 10 +jr $0 +sltiu $2, $4, 9 + +3404000a +00000008 +2c820009 + +register_v0 = 0 + +==SLTU Set on less than unsigned== + +ori $4, $0, 10 +ori $5, $0, 9 +jr $0 +sltu $2, $4, $5 + +3404000a +34050009 +00000008 +0085102b + +register_v0 = 0 + +==SRA Shift right arithmetic== + +lui $5 $0,0xF000 +jr $0 +srav $2,$5,2 + +3C05F000 +00000008 +00051083 + +register_v0 = 0xFC000000 / 4227858432 + +==SRAV Shift right arithmetic variable== + +ori $4,$0,2 +lui $5, 0xF000 +jr $0 +srav $2,$5,$4 + +34040002 +3C05F000 +00000008 +00851007 + +register_v0 = 0xFC000000 / 4227858432 + +==SRL Shift right logical== + +ori $4,$0,16 +jr $0 +srl $2,$4,2 + +34040010 +00000008 +00041082 + +register_v0 = 4 + +==SRLV Shift right logical variable== + +ori $4,$0,2 +ori $5,$0,16 +jr $0 +srlv $2,$5,$4 + +34040002 +34050010 +00000008 +00851006 + +register_v0 = 4 + +==SUBU Subtract unsigned== + +ori $4,$0,5 +ori $5,$0,3 +jr $0 +subu $2,$4,$5 + +34040005 +34050003 +00000008 +00851023 + +register_v0 = 2 + +==SW Store word== + +ori $4, $0, 0xFFFF +ori $5, $0, 0x1008 +sw $4, 4($5) +lw $2, 4($5) +jr $0 + +3404FFFF +34051008 +ACA40004 +8CA20004 +00000008 + +register_v0 = 0x0000FFFF / 65535 + +-Negative Offset + +ori $4, $0, 0xFFFF +ori $5, $0, 0x1008 +sw $4, -4($5) +lw $2, -4($5) +jr $0 + +3404FFFF +34051008 +ACA4FFFC +8CA2FFFC +00000008 + +register_v0 = 0x0000FFFF / 65535 + +==XOR Bitwise exclusive or== + +ori $4, $0, 5 +ori $5, $0, 2 +jr $0 +xor $2, $4, $5 + +34040005 +34050002 +00000008 +00851026 + +register_v0 = 7 + +==XORI Bitwise exclusive or immediate== + +ori $4,$0,5 +jr $0 +xori $2,$4,0x000F + +34040005 +00000008 +3882000F + +register_v0 = 10 diff --git a/structure.png b/reference/structure.png similarity index 100% rename from structure.png rename to reference/structure.png