From 0be5617371239f8b012f1b8da7947a699cfab368 Mon Sep 17 00:00:00 2001
From: Ibrahim <ibzmo28@gmail.com>
Date: Wed, 9 Dec 2020 20:17:58 +0000
Subject: [PATCH] 75% done - need to redo arithemtic operation to test edge
 cases & do certain instr by hand

---
 inputs/ibrahimreference.txt | 274 ++++++++++++++++++++++++++++++++++++
 inputs/reference.txt        |  66 ++++++---
 inputs/sll.txt              |   3 +
 inputs/sllv.txt             |   4 +
 inputs/slti.txt             |   3 +
 inputs/sltiu.txt            |   3 +
 inputs/sltu.txt             |   4 +
 inputs/sra.txt              |   3 +
 inputs/srav.txt             |   4 +
 inputs/srl.txt              |   3 +
 inputs/srlv.txt             |   4 +
 inputs/subu.txt             |   4 +
 inputs/sw.txt               |   4 +
 inputs/xor.txt              |   4 +
 inputs/xori.txt             |   3 +
 15 files changed, 364 insertions(+), 22 deletions(-)
 create mode 100644 inputs/ibrahimreference.txt
 create mode 100644 inputs/sll.txt
 create mode 100644 inputs/sllv.txt
 create mode 100644 inputs/slti.txt
 create mode 100644 inputs/sltiu.txt
 create mode 100644 inputs/sltu.txt
 create mode 100644 inputs/sra.txt
 create mode 100644 inputs/srav.txt
 create mode 100644 inputs/srl.txt
 create mode 100644 inputs/srlv.txt
 create mode 100644 inputs/subu.txt
 create mode 100644 inputs/sw.txt
 create mode 100644 inputs/xor.txt
 create mode 100644 inputs/xori.txt

diff --git a/inputs/ibrahimreference.txt b/inputs/ibrahimreference.txt
new file mode 100644
index 0000000..64df695
--- /dev/null
+++ b/inputs/ibrahimreference.txt
@@ -0,0 +1,274 @@
+===== ADDIU ==========
+int main(void) {
+    int a = -2147483648 + -32768 ;
+}
+
+ORI $4,$0,-2147483648
+ADDIU $2,$4,-32768
+JR $0
+
+//used to check for overflow 32768 is 2^15 which should 
+be sign extended. 21... is 2^31 
+
+
+register_v0 = 
+
+==========XORI	Bitwise exclusive or immediate=============
+
+int main(void) {
+    int a = 5 ^ 2;
+}
+
+ori $4,$0,5
+xori $2,$4,2
+jr $0
+
+register 0 = 7
+
+34040005
+38820002
+00000008
+
+convert to little endian
+
+////////
+
+====XOR	Bitwise exclusive or==========
+
+int main(void) {
+    int a = 5 ^ 2;
+}
+
+ori $4, $0, 5
+ori $5, $0, 2
+xor $2, $4, $5
+jr $0
+
+register 0 = 7
+
+34040005
+34050002
+00851026
+00000008
+
+convert to little endian
+
+////////
+
+========SW	Store word==============
+
+int main(void) {
+
+
+ori $4, $0, 5 
+ori $5, $0, 1
+sw $4, 1($5)
+jr $0
+
+register 0 = 5
+
+34040005
+34050001
+aca40001
+00000008
+
+
+=========== SUBU	Subtract unsigned ===========
+
+int main(void) {
+    int a = 5-3;
+}
+
+ori $4,$0,5
+ori $5,$0,3
+subu $2,$4,$5
+jr $0
+
+
+register_v0 = 2
+
+
+34040005
+34050003
+00851023
+00000008
+
+
+========= SRLV	Shift right logical variable ======
+
+
+int main(void) {
+    int a = 2;
+    int b = 16>>a;
+}
+
+ori $4,$0,2
+ori $5,$0,16
+srlv $2,$5,$4
+jr $0
+
+register 0 = 3
+
+34040002
+34050010
+//////
+//////
+
+===============  SRL	Shift right logical  ==============
+
+
+int main(void) {
+    int a = -2147483647>>2; #logical shift - should feed in 0s
+}
+
+ori $4,$0,-2147483647
+srl $2,$4,$2
+jr $0
+
+register 0 = 536870912 (2^29)
+
+34040001
+00041002
+00000008
+
+========== SRAV	Shift right arithmetic variable =======
+
+int main(void) {
+    int a = 2;
+    int b = -2147483647>>2; #arithemtic shift not logical - feed in 1s (sign extension)
+}
+
+ori $4, $0, 2
+ori $5,$0,-2147483647
+srav $2,$5,$4
+jr $0
+
+register 0 = -536870912 (first 3 bits high - rest low)
+
+34040002
+34050001
+////////
+///////
+
+====== SRA	Shift right arithmetic ==========
+
+int main(void) {
+    int a = -2147483647>>2; #arithemtic shift not logical - feed in 1s (sign extension)
+}
+
+
+ori $4,$0,-2147483647
+sra $2,$4,$2
+jr $0
+
+register 0 = -536870912 (first 3 bits high - rest low)
+
+34040001
+00041003
+00000008
+
+======= SLTU	Set on less than unsigned =====
+
+int main() {
+    int a = 10;
+    int b = 9;
+
+    max = a < b ? 1 : 0;
+
+    return max;
+}
+
+
+ori $4, $0, 10
+ori $5, $0, 9
+sltu $2, $4, $5
+jr $0
+
+register 0 = 0
+
+3404000a
+34050009
+0085102b
+00000008
+
+=========== SLTIU	Set on less than immediate unsigned ==================
+
+int main() {
+    int a = 10;
+
+    max = a < 9 ? 1 : 0;
+
+    return max;
+}
+
+
+ori $4, $0, 10
+sltiu $2, $4, 9
+jr $0
+
+register 0 = 0
+
+3404000a
+2c820009
+00000008
+
+======= SLTI	Set on less than immediate (signed) ========
+
+int main() {
+    int a = 10;
+
+    max = a < 9 ? 1 : 0;
+
+    return max;
+}
+
+
+ori $4, $0, 10
+slti $2, $4, 9
+jr $0
+
+register 0 = 0
+
+3404000a
+28820009
+00000008
+
+
+
+======= SLLV	Shift left logical variable ======
+
+
+int main(void) {
+    int a = 2;
+    int b = 3<<a;
+}
+
+ori $4,$0,2
+ori $5,$0,3
+sllv $2,$5,$4
+jr $0
+
+register 0 = 16
+
+34040002
+34050003
+//////
+//////
+
+
+======= SLL	Shift left logical  ======
+
+
+int main(void) {
+    int a = 3<<2;
+}
+
+ori $4,$0,3
+sll $2,$4,2
+jr $0
+
+register 0 = 16
+
+34040003
+00041080
+00000008
\ No newline at end of file
diff --git a/inputs/reference.txt b/inputs/reference.txt
index 79d693f..d4690fb 100644
--- a/inputs/reference.txt
+++ b/inputs/reference.txt
@@ -287,25 +287,47 @@ LUI	Load upper immediate
 LW	Load word
 LWL	Load word left
 LWR	Load word right
-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
+
+//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
diff --git a/inputs/sll.txt b/inputs/sll.txt
new file mode 100644
index 0000000..e03a5d2
--- /dev/null
+++ b/inputs/sll.txt
@@ -0,0 +1,3 @@
+34040003
+00041080
+00000008
\ No newline at end of file
diff --git a/inputs/sllv.txt b/inputs/sllv.txt
new file mode 100644
index 0000000..93c2eb4
--- /dev/null
+++ b/inputs/sllv.txt
@@ -0,0 +1,4 @@
+34040002
+34050003
+//////
+//////
\ No newline at end of file
diff --git a/inputs/slti.txt b/inputs/slti.txt
new file mode 100644
index 0000000..daf8c51
--- /dev/null
+++ b/inputs/slti.txt
@@ -0,0 +1,3 @@
+3404000a
+28820009
+00000008
\ No newline at end of file
diff --git a/inputs/sltiu.txt b/inputs/sltiu.txt
new file mode 100644
index 0000000..a601fcc
--- /dev/null
+++ b/inputs/sltiu.txt
@@ -0,0 +1,3 @@
+3404000a
+2c820009
+00000008
diff --git a/inputs/sltu.txt b/inputs/sltu.txt
new file mode 100644
index 0000000..438e8e3
--- /dev/null
+++ b/inputs/sltu.txt
@@ -0,0 +1,4 @@
+3404000a
+34050009
+0085102b
+00000008
\ No newline at end of file
diff --git a/inputs/sra.txt b/inputs/sra.txt
new file mode 100644
index 0000000..3ce15cf
--- /dev/null
+++ b/inputs/sra.txt
@@ -0,0 +1,3 @@
+34040001
+00041003
+00000008
diff --git a/inputs/srav.txt b/inputs/srav.txt
new file mode 100644
index 0000000..bb14f29
--- /dev/null
+++ b/inputs/srav.txt
@@ -0,0 +1,4 @@
+34040002
+34050001
+////////
+///////
\ No newline at end of file
diff --git a/inputs/srl.txt b/inputs/srl.txt
new file mode 100644
index 0000000..2c9ac5f
--- /dev/null
+++ b/inputs/srl.txt
@@ -0,0 +1,3 @@
+34040010
+00041002
+00000008
\ No newline at end of file
diff --git a/inputs/srlv.txt b/inputs/srlv.txt
new file mode 100644
index 0000000..fa1b6a4
--- /dev/null
+++ b/inputs/srlv.txt
@@ -0,0 +1,4 @@
+34040002
+34050010
+//////
+//////
\ No newline at end of file
diff --git a/inputs/subu.txt b/inputs/subu.txt
new file mode 100644
index 0000000..7c8a7eb
--- /dev/null
+++ b/inputs/subu.txt
@@ -0,0 +1,4 @@
+34040005
+34050003
+00851023
+00000008
\ No newline at end of file
diff --git a/inputs/sw.txt b/inputs/sw.txt
new file mode 100644
index 0000000..cdba78c
--- /dev/null
+++ b/inputs/sw.txt
@@ -0,0 +1,4 @@
+34040005
+34050001
+aca40001
+00000008
\ No newline at end of file
diff --git a/inputs/xor.txt b/inputs/xor.txt
new file mode 100644
index 0000000..46f4ec9
--- /dev/null
+++ b/inputs/xor.txt
@@ -0,0 +1,4 @@
+34040005
+34050002
+00851026
+00000008
\ No newline at end of file
diff --git a/inputs/xori.txt b/inputs/xori.txt
new file mode 100644
index 0000000..c4af2a8
--- /dev/null
+++ b/inputs/xori.txt
@@ -0,0 +1,3 @@
+34040005
+38820002
+00000008
\ No newline at end of file