diff --git a/src/main.rs b/src/main.rs
index 46bbe93..0dfa6ac 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -98,7 +98,7 @@ fn main() {
     println!("VM Starting Up");
 
     let mut vm = VMRV32I::new();
-    let size = vm.load_prog("./test/test.bin");
+    let size = vm.load_prog("./test/c_test.bin");
     vm.dump_prog(size);
     vm.dispatch();
 }
diff --git a/src/system/bus.rs b/src/system/bus.rs
index 198a058..7cd525f 100644
--- a/src/system/bus.rs
+++ b/src/system/bus.rs
@@ -1,7 +1,7 @@
 pub const DRAM_BASE: u32 = 0x80000000;
 
-use crate::system::rv32;
 use crate::system::ram;
+use crate::system::rv32;
 
 pub struct Bus {
     memory: ram::RAM,
@@ -9,92 +9,84 @@ pub struct Bus {
 
 impl Bus {
     pub fn new() -> Bus {
-        Bus { memory: ram::RAM::new() }
+        Bus {
+            memory: ram::RAM::new(),
+        }
     }
 
     pub fn load_8(&mut self, address: rv32::XLen) -> rv32::Byte {
         match address {
-            DRAM_BASE.. => {
-                self.memory.read_8(address)
-            }
+            DRAM_BASE.. => self.memory.read_8(address),
             _ => {
-                println!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
+                panic!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
                 rv32::Byte::default()
-            },
+            }
         }
     }
 
     pub fn load_16(&mut self, address: rv32::XLen) -> rv32::HalfWord {
         match address {
-            DRAM_BASE.. => {
-                self.memory.read_16(address)
-            }
+            DRAM_BASE.. => self.memory.read_16(address),
             _ => {
-                println!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
+                panic!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
                 rv32::HalfWord::default()
-            },
+            }
         }
     }
 
     pub fn load_32(&mut self, address: rv32::XLen) -> rv32::Word {
         match address {
-            DRAM_BASE.. => {
-                self.memory.read_32(address)
-            }
+            DRAM_BASE.. => self.memory.read_32(address),
             _ => {
-                println!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
+                panic!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
                 rv32::Word::default()
-            },
+            }
         }
     }
 
     pub fn load_64(&mut self, address: rv32::XLen) -> rv32::DoubleWord {
         match address {
-            DRAM_BASE.. => {
-                self.memory.read_64(address)
-            }
+            DRAM_BASE.. => self.memory.read_64(address),
             _ => {
-                println!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
+                panic!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
                 rv32::DoubleWord::default()
-            },
+            }
         }
     }
 
     pub fn store_8(&mut self, address: rv32::XLen, data: rv32::Byte) {
         match address {
-            DRAM_BASE.. => {
-                self.memory.write_8(address, data)
-            },
+            DRAM_BASE.. => self.memory.write_8(address, data),
             _ => {
-                println!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
-            },
+                panic!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
+            }
         }
     }
 
-
     pub fn store_16(&mut self, address: rv32::XLen, data: rv32::HalfWord) {
         match address {
+            DRAM_BASE.. => self.memory.write_16(address, data),
             _ => {
-                println!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
-            },
+                panic!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
+            }
         }
     }
 
-
     pub fn store_32(&mut self, address: rv32::XLen, data: rv32::Word) {
         match address {
+            DRAM_BASE.. => self.memory.write_32(address, data),
             _ => {
-                println!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
-            },
+                panic!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
+            }
         }
     }
 
-
     pub fn store_64(&mut self, address: rv32::XLen, data: rv32::DoubleWord) {
         match address {
+            DRAM_BASE.. => self.memory.write_64(address, data),
             _ => {
-                println!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
-            },
+                panic!("VM > BUS > Peripheral at 0x{:08x} does not exist", address);
+            }
         }
     }
 }
diff --git a/src/system/ram.rs b/src/system/ram.rs
index cba81ce..6ad0144 100644
--- a/src/system/ram.rs
+++ b/src/system/ram.rs
@@ -59,4 +59,33 @@ impl RAM {
         let address = (address - bus::DRAM_BASE) as usize;
         memory[address] = data;
     }
+
+    pub fn write_16(&mut self, address: rv32::XLen, data: rv32::HalfWord) {
+        let memory = &mut self.0;
+        let address = (address - bus::DRAM_BASE) as usize;
+        memory[address] = (data & 0xFF) as rv32::Byte;
+        memory[address + 1] = ((data >> 8) & 0xFF) as rv32::Byte;
+    }
+
+    pub fn write_32(&mut self, address: rv32::XLen, data: rv32::Word) {
+        let memory = &mut self.0;
+        let address = (address - bus::DRAM_BASE) as usize;
+        memory[address] = (data & 0xFF) as rv32::Byte;
+        memory[address + 1] = ((data >> 8) & 0xFF) as rv32::Byte;
+        memory[address + 2] = ((data >> 16) & 0xFF) as rv32::Byte;
+        memory[address + 3] = ((data >> 24) & 0xFF) as rv32::Byte;
+    }
+
+    pub fn write_64(&mut self, address: rv32::XLen, data: rv32::DoubleWord) {
+        let memory = &mut self.0;
+        let address = (address - bus::DRAM_BASE) as usize;
+        memory[address] = (data & 0xFF) as rv32::Byte;
+        memory[address + 1] = ((data >> 8) & 0xFF) as rv32::Byte;
+        memory[address + 2] = ((data >> 16) & 0xFF) as rv32::Byte;
+        memory[address + 3] = ((data >> 24) & 0xFF) as rv32::Byte;
+        memory[address + 4] = ((data >> 32) & 0xFF) as rv32::Byte;
+        memory[address + 5] = ((data >> 40) & 0xFF) as rv32::Byte;
+        memory[address + 6] = ((data >> 48) & 0xFF) as rv32::Byte;
+        memory[address + 7] = ((data >> 56) & 0xFF) as rv32::Byte;
+    }
 }
diff --git a/test/Makefile b/test/Makefile
index 8a6ae6c..9454199 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,10 +1,14 @@
-TARGET=test
+TARGET=c_test
 GCC_PREFIX=riscv32-unknown-elf
 
 all: build
 
 assemble:
-	$(GCC_PREFIX)-gcc -S $(TARGET).c
+	$(GCC_PREFIX)-gcc -Wl,-Ttext=0x0 -nostdlib -march=rv64i -mabi=lp64 -o $(TARGET) $(TARGET).c
+	$(GCC_PREFIX)-objdump -t $(TARGET) > $(TARGET).map
+	$(GCC_PREFIX)-objdump -d -M no-aliases $(TARGET) > $(TARGET).lst
+	$(GCC_PREFIX)-objcopy -O binary $(TARGET) $(TARGET).bin
+	$(GCC_PREFIX)-objcopy -O ihex $(TARGET) $(TARGET).hex
 
 build:
 	$(GCC_PREFIX)-gcc -Wl,-Ttext=0x0 -nostdlib -march=rv64i -mabi=lp64 -o $(TARGET) $(TARGET).S
diff --git a/test/c_test b/test/c_test
new file mode 100644
index 0000000..4eb41af
Binary files /dev/null and b/test/c_test differ
diff --git a/test/c_test.bin b/test/c_test.bin
new file mode 100644
index 0000000..684f659
Binary files /dev/null and b/test/c_test.bin differ
diff --git a/test/c_test.c b/test/c_test.c
new file mode 100644
index 0000000..5b93b77
--- /dev/null
+++ b/test/c_test.c
@@ -0,0 +1,12 @@
+int fib(int n);
+
+int main() {
+  return fib(10); // Calculate the 10th fibonacci number.
+}
+
+int fib(int n) {
+  if (n == 0 || n == 1)
+    return n;
+  else
+    return (fib(n - 1) + fib(n - 2));
+}
diff --git a/test/c_test.hex b/test/c_test.hex
new file mode 100644
index 0000000..30f4ac5
--- /dev/null
+++ b/test/c_test.hex
@@ -0,0 +1,14 @@
+:10000000130101FF23341100233081001304010187
+:100010001305A000EF00C00193070500138507003A
+:100020008330810003340100130101016780000067
+:10003000130101FD2334110223308102233C91007E
+:100040001304010393070500232EF4FC8327C4FD4A
+:100050009B870700638A07008327C4FD1B8707006F
+:10006000930710006316F7008327C4FD6F00000498
+:100070008327C4FD9B87F7FF9B8707001385070035
+:10008000EFF01FFB93070500938407008327C4FD4F
+:100090009B87E7FF9B87070013850700EFF05FF959
+:1000A00093070500BB87F4009B87070013850700B3
+:1000B000833081020334010283348101130101037F
+:0400C0006780000055
+:00000001FF
diff --git a/test/c_test.lst b/test/c_test.lst
new file mode 100644
index 0000000..00ad8aa
--- /dev/null
+++ b/test/c_test.lst
@@ -0,0 +1,58 @@
+
+c_test:     file format elf64-littleriscv
+
+
+Disassembly of section .text:
+
+0000000000000000 <main>:
+   0:	ff010113          	addi	sp,sp,-16
+   4:	00113423          	sd	ra,8(sp)
+   8:	00813023          	sd	s0,0(sp)
+   c:	01010413          	addi	s0,sp,16
+  10:	00a00513          	addi	a0,zero,10
+  14:	01c000ef          	jal	ra,30 <fib>
+  18:	00050793          	addi	a5,a0,0
+  1c:	00078513          	addi	a0,a5,0
+  20:	00813083          	ld	ra,8(sp)
+  24:	00013403          	ld	s0,0(sp)
+  28:	01010113          	addi	sp,sp,16
+  2c:	00008067          	jalr	zero,0(ra)
+
+0000000000000030 <fib>:
+  30:	fd010113          	addi	sp,sp,-48
+  34:	02113423          	sd	ra,40(sp)
+  38:	02813023          	sd	s0,32(sp)
+  3c:	00913c23          	sd	s1,24(sp)
+  40:	03010413          	addi	s0,sp,48
+  44:	00050793          	addi	a5,a0,0
+  48:	fcf42e23          	sw	a5,-36(s0)
+  4c:	fdc42783          	lw	a5,-36(s0)
+  50:	0007879b          	addiw	a5,a5,0
+  54:	00078a63          	beq	a5,zero,68 <fib+0x38>
+  58:	fdc42783          	lw	a5,-36(s0)
+  5c:	0007871b          	addiw	a4,a5,0
+  60:	00100793          	addi	a5,zero,1
+  64:	00f71663          	bne	a4,a5,70 <fib+0x40>
+  68:	fdc42783          	lw	a5,-36(s0)
+  6c:	0400006f          	jal	zero,ac <fib+0x7c>
+  70:	fdc42783          	lw	a5,-36(s0)
+  74:	fff7879b          	addiw	a5,a5,-1
+  78:	0007879b          	addiw	a5,a5,0
+  7c:	00078513          	addi	a0,a5,0
+  80:	fb1ff0ef          	jal	ra,30 <fib>
+  84:	00050793          	addi	a5,a0,0
+  88:	00078493          	addi	s1,a5,0
+  8c:	fdc42783          	lw	a5,-36(s0)
+  90:	ffe7879b          	addiw	a5,a5,-2
+  94:	0007879b          	addiw	a5,a5,0
+  98:	00078513          	addi	a0,a5,0
+  9c:	f95ff0ef          	jal	ra,30 <fib>
+  a0:	00050793          	addi	a5,a0,0
+  a4:	00f487bb          	addw	a5,s1,a5
+  a8:	0007879b          	addiw	a5,a5,0
+  ac:	00078513          	addi	a0,a5,0
+  b0:	02813083          	ld	ra,40(sp)
+  b4:	02013403          	ld	s0,32(sp)
+  b8:	01813483          	ld	s1,24(sp)
+  bc:	03010113          	addi	sp,sp,48
+  c0:	00008067          	jalr	zero,0(ra)
diff --git a/test/c_test.map b/test/c_test.map
new file mode 100644
index 0000000..ad3349a
--- /dev/null
+++ b/test/c_test.map
@@ -0,0 +1,20 @@
+
+c_test:     file format elf64-littleriscv
+
+SYMBOL TABLE:
+0000000000000000 l    d  .text	0000000000000000 .text
+0000000000000000 l    d  .comment	0000000000000000 .comment
+0000000000000000 l    d  .riscv.attributes	0000000000000000 .riscv.attributes
+0000000000000000 l    df *ABS*	0000000000000000 c_test.c
+00000000000018c4 g       *ABS*	0000000000000000 __global_pointer$
+00000000000010c4 g       .text	0000000000000000 __SDATA_BEGIN__
+0000000000000000         *UND*	0000000000000000 _start
+00000000000010c8 g       .text	0000000000000000 __BSS_END__
+00000000000010c4 g       .text	0000000000000000 __bss_start
+0000000000000000 g     F .text	0000000000000030 main
+00000000000010c4 g       .text	0000000000000000 __DATA_BEGIN__
+00000000000010c4 g       .text	0000000000000000 _edata
+00000000000010c8 g       .text	0000000000000000 _end
+0000000000000030 g     F .text	0000000000000094 fib
+
+
diff --git a/test/fib.bin b/test/fib.bin
new file mode 100644
index 0000000..684f659
Binary files /dev/null and b/test/fib.bin differ
diff --git a/test/fibonacci b/test/fibonacci
new file mode 100644
index 0000000..88bb4c9
Binary files /dev/null and b/test/fibonacci differ
diff --git a/test/fibonacci.bin b/test/fibonacci.bin
new file mode 100644
index 0000000..a7de0e7
Binary files /dev/null and b/test/fibonacci.bin differ
diff --git a/test/fibonacci.hex b/test/fibonacci.hex
new file mode 100644
index 0000000..4644523
--- /dev/null
+++ b/test/fibonacci.hex
@@ -0,0 +1,15 @@
+:10000000130101FE232E1100232C8100232A9100CD
+:10001000130401022326A4FE0327C4FE9307100045
+:1000200063C6E7008327C4FE6F0000038327C4FE76
+:100030009387F7FF13850700EFF09FFC93040500FB
+:100040008327C4FE9387E7FF13850700EFF05FFB6C
+:1000500093070500B387F400138507008320C101CF
+:100060000324810183244101130101026780000000
+:10007000130101FE232E8100130401022326A4FE96
+:100080008327C4FE138507000324C1011301010265
+:1000900067800000130101FE232E1100232C810034
+:1000A00013040102930720012326F4FE0325C4FE56
+:1000B000EFF01FF59307050013850700EFF05FFBD6
+:1000C0002324A4FE832784FE138507008320C10117
+:0C00D0000324810113010102678000007D
+:00000001FF
diff --git a/test/fibonacci.lst b/test/fibonacci.lst
new file mode 100644
index 0000000..52d8fe0
--- /dev/null
+++ b/test/fibonacci.lst
@@ -0,0 +1,66 @@
+
+fibonacci:     file format elf64-littleriscv
+
+
+Disassembly of section .text:
+
+0000000000000000 <fib>:
+   0:	fe010113          	addi	sp,sp,-32
+   4:	00112e23          	sw	ra,28(sp)
+   8:	00812c23          	sw	s0,24(sp)
+   c:	00912a23          	sw	s1,20(sp)
+  10:	02010413          	addi	s0,sp,32
+  14:	fea42623          	sw	a0,-20(s0)
+  18:	fec42703          	lw	a4,-20(s0)
+  1c:	00100793          	addi	a5,zero,1
+  20:	00e7c663          	blt	a5,a4,2c <fib+0x2c>
+  24:	fec42783          	lw	a5,-20(s0)
+  28:	0300006f          	jal	zero,58 <fib+0x58>
+  2c:	fec42783          	lw	a5,-20(s0)
+  30:	fff78793          	addi	a5,a5,-1
+  34:	00078513          	addi	a0,a5,0
+  38:	fc9ff0ef          	jal	ra,0 <fib>
+  3c:	00050493          	addi	s1,a0,0
+  40:	fec42783          	lw	a5,-20(s0)
+  44:	ffe78793          	addi	a5,a5,-2
+  48:	00078513          	addi	a0,a5,0
+  4c:	fb5ff0ef          	jal	ra,0 <fib>
+  50:	00050793          	addi	a5,a0,0
+  54:	00f487b3          	add	a5,s1,a5
+  58:	00078513          	addi	a0,a5,0
+  5c:	01c12083          	lw	ra,28(sp)
+  60:	01812403          	lw	s0,24(sp)
+  64:	01412483          	lw	s1,20(sp)
+  68:	02010113          	addi	sp,sp,32
+  6c:	00008067          	jalr	zero,0(ra)
+
+0000000000000070 <return_function>:
+  70:	fe010113          	addi	sp,sp,-32
+  74:	00812e23          	sw	s0,28(sp)
+  78:	02010413          	addi	s0,sp,32
+  7c:	fea42623          	sw	a0,-20(s0)
+  80:	fec42783          	lw	a5,-20(s0)
+  84:	00078513          	addi	a0,a5,0
+  88:	01c12403          	lw	s0,28(sp)
+  8c:	02010113          	addi	sp,sp,32
+  90:	00008067          	jalr	zero,0(ra)
+
+0000000000000094 <main>:
+  94:	fe010113          	addi	sp,sp,-32
+  98:	00112e23          	sw	ra,28(sp)
+  9c:	00812c23          	sw	s0,24(sp)
+  a0:	02010413          	addi	s0,sp,32
+  a4:	01200793          	addi	a5,zero,18
+  a8:	fef42623          	sw	a5,-20(s0)
+  ac:	fec42503          	lw	a0,-20(s0)
+  b0:	f51ff0ef          	jal	ra,0 <fib>
+  b4:	00050793          	addi	a5,a0,0
+  b8:	00078513          	addi	a0,a5,0
+  bc:	fb5ff0ef          	jal	ra,70 <return_function>
+  c0:	fea42423          	sw	a0,-24(s0)
+  c4:	fe842783          	lw	a5,-24(s0)
+  c8:	00078513          	addi	a0,a5,0
+  cc:	01c12083          	lw	ra,28(sp)
+  d0:	01812403          	lw	s0,24(sp)
+  d4:	02010113          	addi	sp,sp,32
+  d8:	00008067          	jalr	zero,0(ra)
diff --git a/test/fibonacci.map b/test/fibonacci.map
new file mode 100644
index 0000000..693c385
--- /dev/null
+++ b/test/fibonacci.map
@@ -0,0 +1,21 @@
+
+fibonacci:     file format elf64-littleriscv
+
+SYMBOL TABLE:
+0000000000000000 l    d  .text	0000000000000000 .text
+0000000000000000 l    d  .comment	0000000000000000 .comment
+0000000000000000 l    d  .riscv.attributes	0000000000000000 .riscv.attributes
+0000000000000000 l    df *ABS*	0000000000000000 fibonacci.c
+00000000000018dc g       *ABS*	0000000000000000 __global_pointer$
+00000000000010dc g       .text	0000000000000000 __SDATA_BEGIN__
+0000000000000070 g     F .text	0000000000000024 return_function
+0000000000000000         *UND*	0000000000000000 _start
+00000000000010e0 g       .text	0000000000000000 __BSS_END__
+00000000000010dc g       .text	0000000000000000 __bss_start
+0000000000000094 g     F .text	0000000000000048 main
+00000000000010dc g       .text	0000000000000000 __DATA_BEGIN__
+00000000000010dc g       .text	0000000000000000 _edata
+00000000000010e0 g       .text	0000000000000000 _end
+0000000000000000 g     F .text	0000000000000070 fib
+
+
diff --git a/test/test b/test/test
index 4d3720b..3d926de 100755
Binary files a/test/test and b/test/test differ
diff --git a/test/test.S b/test/test.S
index 25a9534..d8f5ed9 100644
--- a/test/test.S
+++ b/test/test.S
@@ -1,11 +1,236 @@
-addi    x2, x0, 0x69
-lui     x3, 0xB00B5
-bne     x2, x3, main
-lui     x1, 0x420
-
+.file	"binary_search.c"
+	.option nopic
+	.text
+	.align	2
+	.globl	binary_search
+	.type	binary_search, @function
+binary_search:
+	addi	sp,sp,-48
+	sw	ra,44(sp)
+	sw	s0,40(sp)
+	addi	s0,sp,48
+	sw	a0,-36(s0)
+	sw	a1,-40(s0)
+	sw	a2,-44(s0)
+	sw	a3,-48(s0)
+	lw	a4,-48(s0)
+	lw	a5,-44(s0)
+	sub	a5,a4,a5
+	srli	a4,a5,31
+	add	a5,a4,a5
+	srai	a5,a5,1
+	mv	a4,a5
+	lw	a5,-44(s0)
+	add	a5,a5,a4
+	sw	a5,-20(s0)
+	lw	a4,-44(s0)
+	lw	a5,-48(s0)
+	ble	a4,a5,.L2
+	li	a5,-1
+	j	.L3
+.L2:
+	lw	a5,-20(s0)
+	slli	a5,a5,2
+	lw	a4,-36(s0)
+	add	a5,a4,a5
+	lw	a5,0(a5)
+	lw	a4,-40(s0)
+	bne	a4,a5,.L4
+	lw	a5,-20(s0)
+	j	.L3
+.L4:
+	lw	a5,-20(s0)
+	slli	a5,a5,2
+	lw	a4,-36(s0)
+	add	a5,a4,a5
+	lw	a5,0(a5)
+	lw	a4,-40(s0)
+	bge	a4,a5,.L5
+	lw	a5,-20(s0)
+	addi	a5,a5,-1
+	mv	a3,a5
+	lw	a2,-44(s0)
+	lw	a1,-40(s0)
+	lw	a0,-36(s0)
+	call	binary_search
+	mv	a5,a0
+	j	.L3
+.L5:
+	lw	a5,-20(s0)
+	addi	a5,a5,1
+	lw	a3,-48(s0)
+	mv	a2,a5
+	lw	a1,-40(s0)
+	lw	a0,-36(s0)
+	call	binary_search
+	mv	a5,a0
+.L3:
+	mv	a0,a5
+	lw	ra,44(sp)
+	lw	s0,40(sp)
+	addi	sp,sp,48
+	jr	ra
+	.size	binary_search, .-binary_search
+	.align	2
+	.globl	search
+	.type	search, @function
+search:
+	addi	sp,sp,-32
+	sw	ra,28(sp)
+	sw	s0,24(sp)
+	addi	s0,sp,32
+	sw	a0,-20(s0)
+	sw	a1,-24(s0)
+	sw	a2,-28(s0)
+	lw	a5,-28(s0)
+	addi	a5,a5,-1
+	mv	a3,a5
+	li	a2,0
+	lw	a1,-24(s0)
+	lw	a0,-20(s0)
+	call	binary_search
+	mv	a5,a0
+	mv	a0,a5
+	lw	ra,28(sp)
+	lw	s0,24(sp)
+	addi	sp,sp,32
+	jr	ra
+	.size	search, .-search
+	.align	2
+	.globl	sort
+	.type	sort, @function
+sort:
+	addi	sp,sp,-48
+	sw	s0,44(sp)
+	addi	s0,sp,48
+	sw	a0,-36(s0)
+	sw	a1,-40(s0)
+	sw	zero,-20(s0)
+	j	.L9
+.L13:
+	sw	zero,-24(s0)
+	j	.L10
+.L12:
+	lw	a5,-24(s0)
+	addi	a5,a5,1
+	slli	a5,a5,2
+	lw	a4,-36(s0)
+	add	a5,a4,a5
+	lw	a4,0(a5)
+	lw	a5,-24(s0)
+	slli	a5,a5,2
+	lw	a3,-36(s0)
+	add	a5,a3,a5
+	lw	a5,0(a5)
+	bge	a4,a5,.L11
+	lw	a5,-24(s0)
+	slli	a5,a5,2
+	lw	a4,-36(s0)
+	add	a5,a4,a5
+	lw	a5,0(a5)
+	sw	a5,-28(s0)
+	lw	a5,-24(s0)
+	addi	a5,a5,1
+	slli	a5,a5,2
+	lw	a4,-36(s0)
+	add	a4,a4,a5
+	lw	a5,-24(s0)
+	slli	a5,a5,2
+	lw	a3,-36(s0)
+	add	a5,a3,a5
+	lw	a4,0(a4)
+	sw	a4,0(a5)
+	lw	a5,-24(s0)
+	addi	a5,a5,1
+	slli	a5,a5,2
+	lw	a4,-36(s0)
+	add	a5,a4,a5
+	lw	a4,-28(s0)
+	sw	a4,0(a5)
+.L11:
+	lw	a5,-24(s0)
+	addi	a5,a5,1
+	sw	a5,-24(s0)
+.L10:
+	lw	a4,-40(s0)
+	lw	a5,-20(s0)
+	sub	a5,a4,a5
+	addi	a5,a5,-1
+	lw	a4,-24(s0)
+	blt	a4,a5,.L12
+	lw	a5,-20(s0)
+	addi	a5,a5,1
+	sw	a5,-20(s0)
+.L9:
+	lw	a5,-40(s0)
+	addi	a5,a5,-1
+	lw	a4,-20(s0)
+	blt	a4,a5,.L13
+	nop
+	mv	a0,a5
+	lw	s0,44(sp)
+	addi	sp,sp,48
+	jr	ra
+	.size	sort, .-sort
+	.section	.rodata
+	.align	2
+.LC0:
+	.word	0
+	.word	6
+	.word	8
+	.word	4
+	.word	3
+	.word	9
+	.word	7
+	.word	5
+	.text
+	.align	2
+	.globl	main
+	.type	main, @function
 main:
-    addi x1, x0, 0x69
-    lui x8, 0x80000
-    lw x9, 0x0(x8)
-    # addi x8, x8, 1
-    # sw x8, 0x80000000
+	addi	sp,sp,-64
+	sw	ra,60(sp)
+	sw	s0,56(sp)
+	addi	s0,sp,64
+	lui	a5,%hi(.LC0)
+	lw	a7,%lo(.LC0)(a5)
+	addi	a4,a5,%lo(.LC0)
+	lw	a6,4(a4)
+	addi	a4,a5,%lo(.LC0)
+	lw	a0,8(a4)
+	addi	a4,a5,%lo(.LC0)
+	lw	a1,12(a4)
+	addi	a4,a5,%lo(.LC0)
+	lw	a2,16(a4)
+	addi	a4,a5,%lo(.LC0)
+	lw	a3,20(a4)
+	addi	a4,a5,%lo(.LC0)
+	lw	a4,24(a4)
+	addi	a5,a5,%lo(.LC0)
+	lw	a5,28(a5)
+	sw	a7,-52(s0)
+	sw	a6,-48(s0)
+	sw	a0,-44(s0)
+	sw	a1,-40(s0)
+	sw	a2,-36(s0)
+	sw	a3,-32(s0)
+	sw	a4,-28(s0)
+	sw	a5,-24(s0)
+	addi	a5,s0,-52
+	li	a1,8
+	mv	a0,a5
+	call	sort
+	addi	a5,s0,-52
+	li	a2,8
+	li	a1,9
+	mv	a0,a5
+	call	search
+	sw	a0,-20(s0)
+	lw	a5,-20(s0)
+	mv	a0,a5
+	lw	ra,60(sp)
+	lw	s0,56(sp)
+	addi	sp,sp,64
+	jr	ra
+	.size	main, .-main
+	.ident	"GCC: (GNU) 7.2.0"
diff --git a/test/test.bin b/test/test.bin
index 488dac0..2d63fee 100755
Binary files a/test/test.bin and b/test/test.bin differ
diff --git a/test/test.hex b/test/test.hex
index a52b6cc..12fc73f 100644
--- a/test/test.hex
+++ b/test/test.hex
@@ -1,3 +1,51 @@
-:1000000013019006B7510BB063143100B7004200E2
-:0C00100093009006370400808324040055
+:10000000130101FD2326110223248102130401039D
+:10001000232EA4FC232CB4FC232AC4FC2328D4FCC8
+:10002000032704FD832744FDB307F74013D7F701E7
+:10003000B307F70093D7174013870700832744FDC2
+:10004000B387E7002326F4FE032744FD832704FD3E
+:1000500063D6E7009307F0FF6F0080088327C4FE94
+:10006000939727000327C4FDB307F70083A7070072
+:10007000032784FD6316F7008327C4FE6F00400644
+:100080008327C4FE939727000327C4FDB307F70017
+:1000900083A70700032784FD6354F7028327C4FE68
+:1000A0009387F7FF93860700032644FD832584FD8D
+:1000B0000325C4FDEFF0DFF4930705006F00400255
+:1000C0008327C4FE93871700832604FD1386070049
+:1000D000832584FD0325C4FDEFF09FF293070500FF
+:1000E000138507008320C102032481021301010349
+:1000F00067800000130101FE232E1100232C8100D4
+:10010000130401022326A4FE2324B4FE2322C4FEEA
+:10011000832744FE9387F7FF9386070013060000AA
+:10012000832584FE0325C4FEEFF09FED93070500B1
+:10013000138507008320C1010324810113010102FB
+:1001400067800000130101FD2326810213040103CF
+:10015000232EA4FC232CB4FC232604FE6F00C00C29
+:10016000232404FE6F00000A832784FE9387170070
+:10017000939727000327C4FDB307F70003A70700E1
+:10018000832784FE939727008326C4FDB387F60058
+:1001900083A707006352F706832784FE93972700FF
+:1001A0000327C4FDB307F70083A707002322F4FE4B
+:1001B000832784FE93871700939727000327C4FDA6
+:1001C0003307F700832784FE939727008326C4FD17
+:1001D000B387F6000327070023A0E700832784FEE8
+:1001E00093871700939727000327C4FDB307F700F1
+:1001F000032744FE23A0E700832784FE938717008C
+:100200002324F4FE032784FD8327C4FEB307F740AD
+:100210009387F7FF032784FEE348F7F48327C4FEA0
+:10022000938717002326F4FE832784FD9387F7FF27
+:100230000327C4FEE346F7F213000000138507000E
+:100240000324C1021301010367800000130101FCB4
+:10025000232E1102232C8102130401048328802FF2
+:100260001307802F032847001307802F03258700DB
+:100270001307802F8325C7001307802F032607014C
+:100280001307802F832647011307802F0327870139
+:100290009307802F83A7C701232614FD232804FD7D
+:1002A000232AA4FC232CB4FC232EC4FC2320D4FE3C
+:1002B0002322E4FE2324F4FE9307C4FC930580006C
+:1002C00013850700EFF01FE89307C4FC13068000B6
+:1002D0009305900013850700EFF0DFE12326A4FECD
+:1002E0008327C4FE138507008320C10303248103F1
+:0802F000130101046780000006
+:1002F80000000000060000000800000004000000E4
+:1003080003000000090000000700000005000000CD
 :00000001FF
diff --git a/test/test.lst b/test/test.lst
index 3e9c15d..6205866 100644
--- a/test/test.lst
+++ b/test/test.lst
@@ -4,13 +4,200 @@ test:     file format elf64-littleriscv
 
 Disassembly of section .text:
 
-0000000000000000 <main-0x10>:
-   0:	06900113          	addi	sp,zero,105
-   4:	b00b51b7          	lui	gp,0xb00b5
-   8:	00311463          	bne	sp,gp,10 <main>
-   c:	004200b7          	lui	ra,0x420
+0000000000000000 <binary_search>:
+   0:	fd010113          	addi	sp,sp,-48
+   4:	02112623          	sw	ra,44(sp)
+   8:	02812423          	sw	s0,40(sp)
+   c:	03010413          	addi	s0,sp,48
+  10:	fca42e23          	sw	a0,-36(s0)
+  14:	fcb42c23          	sw	a1,-40(s0)
+  18:	fcc42a23          	sw	a2,-44(s0)
+  1c:	fcd42823          	sw	a3,-48(s0)
+  20:	fd042703          	lw	a4,-48(s0)
+  24:	fd442783          	lw	a5,-44(s0)
+  28:	40f707b3          	sub	a5,a4,a5
+  2c:	01f7d713          	srli	a4,a5,0x1f
+  30:	00f707b3          	add	a5,a4,a5
+  34:	4017d793          	srai	a5,a5,0x1
+  38:	00078713          	addi	a4,a5,0
+  3c:	fd442783          	lw	a5,-44(s0)
+  40:	00e787b3          	add	a5,a5,a4
+  44:	fef42623          	sw	a5,-20(s0)
+  48:	fd442703          	lw	a4,-44(s0)
+  4c:	fd042783          	lw	a5,-48(s0)
+  50:	00e7d663          	bge	a5,a4,5c <binary_search+0x5c>
+  54:	fff00793          	addi	a5,zero,-1
+  58:	0880006f          	jal	zero,e0 <binary_search+0xe0>
+  5c:	fec42783          	lw	a5,-20(s0)
+  60:	00279793          	slli	a5,a5,0x2
+  64:	fdc42703          	lw	a4,-36(s0)
+  68:	00f707b3          	add	a5,a4,a5
+  6c:	0007a783          	lw	a5,0(a5)
+  70:	fd842703          	lw	a4,-40(s0)
+  74:	00f71663          	bne	a4,a5,80 <binary_search+0x80>
+  78:	fec42783          	lw	a5,-20(s0)
+  7c:	0640006f          	jal	zero,e0 <binary_search+0xe0>
+  80:	fec42783          	lw	a5,-20(s0)
+  84:	00279793          	slli	a5,a5,0x2
+  88:	fdc42703          	lw	a4,-36(s0)
+  8c:	00f707b3          	add	a5,a4,a5
+  90:	0007a783          	lw	a5,0(a5)
+  94:	fd842703          	lw	a4,-40(s0)
+  98:	02f75463          	bge	a4,a5,c0 <binary_search+0xc0>
+  9c:	fec42783          	lw	a5,-20(s0)
+  a0:	fff78793          	addi	a5,a5,-1
+  a4:	00078693          	addi	a3,a5,0
+  a8:	fd442603          	lw	a2,-44(s0)
+  ac:	fd842583          	lw	a1,-40(s0)
+  b0:	fdc42503          	lw	a0,-36(s0)
+  b4:	f4dff0ef          	jal	ra,0 <binary_search>
+  b8:	00050793          	addi	a5,a0,0
+  bc:	0240006f          	jal	zero,e0 <binary_search+0xe0>
+  c0:	fec42783          	lw	a5,-20(s0)
+  c4:	00178793          	addi	a5,a5,1
+  c8:	fd042683          	lw	a3,-48(s0)
+  cc:	00078613          	addi	a2,a5,0
+  d0:	fd842583          	lw	a1,-40(s0)
+  d4:	fdc42503          	lw	a0,-36(s0)
+  d8:	f29ff0ef          	jal	ra,0 <binary_search>
+  dc:	00050793          	addi	a5,a0,0
+  e0:	00078513          	addi	a0,a5,0
+  e4:	02c12083          	lw	ra,44(sp)
+  e8:	02812403          	lw	s0,40(sp)
+  ec:	03010113          	addi	sp,sp,48
+  f0:	00008067          	jalr	zero,0(ra)
 
-0000000000000010 <main>:
-  10:	06900093          	addi	ra,zero,105
-  14:	80000437          	lui	s0,0x80000
-  18:	00042483          	lw	s1,0(s0) # ffffffff80000000 <__global_pointer$+0xffffffff7fffe7e4>
+00000000000000f4 <search>:
+  f4:	fe010113          	addi	sp,sp,-32
+  f8:	00112e23          	sw	ra,28(sp)
+  fc:	00812c23          	sw	s0,24(sp)
+ 100:	02010413          	addi	s0,sp,32
+ 104:	fea42623          	sw	a0,-20(s0)
+ 108:	feb42423          	sw	a1,-24(s0)
+ 10c:	fec42223          	sw	a2,-28(s0)
+ 110:	fe442783          	lw	a5,-28(s0)
+ 114:	fff78793          	addi	a5,a5,-1
+ 118:	00078693          	addi	a3,a5,0
+ 11c:	00000613          	addi	a2,zero,0
+ 120:	fe842583          	lw	a1,-24(s0)
+ 124:	fec42503          	lw	a0,-20(s0)
+ 128:	ed9ff0ef          	jal	ra,0 <binary_search>
+ 12c:	00050793          	addi	a5,a0,0
+ 130:	00078513          	addi	a0,a5,0
+ 134:	01c12083          	lw	ra,28(sp)
+ 138:	01812403          	lw	s0,24(sp)
+ 13c:	02010113          	addi	sp,sp,32
+ 140:	00008067          	jalr	zero,0(ra)
+
+0000000000000144 <sort>:
+ 144:	fd010113          	addi	sp,sp,-48
+ 148:	02812623          	sw	s0,44(sp)
+ 14c:	03010413          	addi	s0,sp,48
+ 150:	fca42e23          	sw	a0,-36(s0)
+ 154:	fcb42c23          	sw	a1,-40(s0)
+ 158:	fe042623          	sw	zero,-20(s0)
+ 15c:	0cc0006f          	jal	zero,228 <sort+0xe4>
+ 160:	fe042423          	sw	zero,-24(s0)
+ 164:	0a00006f          	jal	zero,204 <sort+0xc0>
+ 168:	fe842783          	lw	a5,-24(s0)
+ 16c:	00178793          	addi	a5,a5,1
+ 170:	00279793          	slli	a5,a5,0x2
+ 174:	fdc42703          	lw	a4,-36(s0)
+ 178:	00f707b3          	add	a5,a4,a5
+ 17c:	0007a703          	lw	a4,0(a5)
+ 180:	fe842783          	lw	a5,-24(s0)
+ 184:	00279793          	slli	a5,a5,0x2
+ 188:	fdc42683          	lw	a3,-36(s0)
+ 18c:	00f687b3          	add	a5,a3,a5
+ 190:	0007a783          	lw	a5,0(a5)
+ 194:	06f75263          	bge	a4,a5,1f8 <sort+0xb4>
+ 198:	fe842783          	lw	a5,-24(s0)
+ 19c:	00279793          	slli	a5,a5,0x2
+ 1a0:	fdc42703          	lw	a4,-36(s0)
+ 1a4:	00f707b3          	add	a5,a4,a5
+ 1a8:	0007a783          	lw	a5,0(a5)
+ 1ac:	fef42223          	sw	a5,-28(s0)
+ 1b0:	fe842783          	lw	a5,-24(s0)
+ 1b4:	00178793          	addi	a5,a5,1
+ 1b8:	00279793          	slli	a5,a5,0x2
+ 1bc:	fdc42703          	lw	a4,-36(s0)
+ 1c0:	00f70733          	add	a4,a4,a5
+ 1c4:	fe842783          	lw	a5,-24(s0)
+ 1c8:	00279793          	slli	a5,a5,0x2
+ 1cc:	fdc42683          	lw	a3,-36(s0)
+ 1d0:	00f687b3          	add	a5,a3,a5
+ 1d4:	00072703          	lw	a4,0(a4)
+ 1d8:	00e7a023          	sw	a4,0(a5)
+ 1dc:	fe842783          	lw	a5,-24(s0)
+ 1e0:	00178793          	addi	a5,a5,1
+ 1e4:	00279793          	slli	a5,a5,0x2
+ 1e8:	fdc42703          	lw	a4,-36(s0)
+ 1ec:	00f707b3          	add	a5,a4,a5
+ 1f0:	fe442703          	lw	a4,-28(s0)
+ 1f4:	00e7a023          	sw	a4,0(a5)
+ 1f8:	fe842783          	lw	a5,-24(s0)
+ 1fc:	00178793          	addi	a5,a5,1
+ 200:	fef42423          	sw	a5,-24(s0)
+ 204:	fd842703          	lw	a4,-40(s0)
+ 208:	fec42783          	lw	a5,-20(s0)
+ 20c:	40f707b3          	sub	a5,a4,a5
+ 210:	fff78793          	addi	a5,a5,-1
+ 214:	fe842703          	lw	a4,-24(s0)
+ 218:	f4f748e3          	blt	a4,a5,168 <sort+0x24>
+ 21c:	fec42783          	lw	a5,-20(s0)
+ 220:	00178793          	addi	a5,a5,1
+ 224:	fef42623          	sw	a5,-20(s0)
+ 228:	fd842783          	lw	a5,-40(s0)
+ 22c:	fff78793          	addi	a5,a5,-1
+ 230:	fec42703          	lw	a4,-20(s0)
+ 234:	f2f746e3          	blt	a4,a5,160 <sort+0x1c>
+ 238:	00000013          	addi	zero,zero,0
+ 23c:	00078513          	addi	a0,a5,0
+ 240:	02c12403          	lw	s0,44(sp)
+ 244:	03010113          	addi	sp,sp,48
+ 248:	00008067          	jalr	zero,0(ra)
+
+000000000000024c <main>:
+ 24c:	fc010113          	addi	sp,sp,-64
+ 250:	02112e23          	sw	ra,60(sp)
+ 254:	02812c23          	sw	s0,56(sp)
+ 258:	04010413          	addi	s0,sp,64
+ 25c:	2f802883          	lw	a7,760(zero) # 2f8 <main+0xac>
+ 260:	2f800713          	addi	a4,zero,760
+ 264:	00472803          	lw	a6,4(a4)
+ 268:	2f800713          	addi	a4,zero,760
+ 26c:	00872503          	lw	a0,8(a4)
+ 270:	2f800713          	addi	a4,zero,760
+ 274:	00c72583          	lw	a1,12(a4)
+ 278:	2f800713          	addi	a4,zero,760
+ 27c:	01072603          	lw	a2,16(a4)
+ 280:	2f800713          	addi	a4,zero,760
+ 284:	01472683          	lw	a3,20(a4)
+ 288:	2f800713          	addi	a4,zero,760
+ 28c:	01872703          	lw	a4,24(a4)
+ 290:	2f800793          	addi	a5,zero,760
+ 294:	01c7a783          	lw	a5,28(a5)
+ 298:	fd142623          	sw	a7,-52(s0)
+ 29c:	fd042823          	sw	a6,-48(s0)
+ 2a0:	fca42a23          	sw	a0,-44(s0)
+ 2a4:	fcb42c23          	sw	a1,-40(s0)
+ 2a8:	fcc42e23          	sw	a2,-36(s0)
+ 2ac:	fed42023          	sw	a3,-32(s0)
+ 2b0:	fee42223          	sw	a4,-28(s0)
+ 2b4:	fef42423          	sw	a5,-24(s0)
+ 2b8:	fcc40793          	addi	a5,s0,-52
+ 2bc:	00800593          	addi	a1,zero,8
+ 2c0:	00078513          	addi	a0,a5,0
+ 2c4:	e81ff0ef          	jal	ra,144 <sort>
+ 2c8:	fcc40793          	addi	a5,s0,-52
+ 2cc:	00800613          	addi	a2,zero,8
+ 2d0:	00900593          	addi	a1,zero,9
+ 2d4:	00078513          	addi	a0,a5,0
+ 2d8:	e1dff0ef          	jal	ra,f4 <search>
+ 2dc:	fea42623          	sw	a0,-20(s0)
+ 2e0:	fec42783          	lw	a5,-20(s0)
+ 2e4:	00078513          	addi	a0,a5,0
+ 2e8:	03c12083          	lw	ra,60(sp)
+ 2ec:	03812403          	lw	s0,56(sp)
+ 2f0:	04010113          	addi	sp,sp,64
+ 2f4:	00008067          	jalr	zero,0(ra)
diff --git a/test/test.map b/test/test.map
index b451ca3..108457f 100644
--- a/test/test.map
+++ b/test/test.map
@@ -3,16 +3,21 @@ test:     file format elf64-littleriscv
 
 SYMBOL TABLE:
 0000000000000000 l    d  .text	0000000000000000 .text
+00000000000002f8 l    d  .rodata	0000000000000000 .rodata
+0000000000000000 l    d  .comment	0000000000000000 .comment
 0000000000000000 l    d  .riscv.attributes	0000000000000000 .riscv.attributes
-0000000000000000 l    df *ABS*	0000000000000000 ccA8a8we.o
-0000000000000010 l       .text	0000000000000000 main
-000000000000181c g       *ABS*	0000000000000000 __global_pointer$
-000000000000101c g       .text	0000000000000000 __SDATA_BEGIN__
+0000000000000000 l    df *ABS*	0000000000000000 binary_search.c
+0000000000001b18 g       *ABS*	0000000000000000 __global_pointer$
+00000000000000f4 g     F .text	0000000000000050 search
+0000000000001318 g       .rodata	0000000000000000 __SDATA_BEGIN__
+0000000000000144 g     F .text	0000000000000108 sort
 0000000000000000         *UND*	0000000000000000 _start
-0000000000001020 g       .text	0000000000000000 __BSS_END__
-000000000000101c g       .text	0000000000000000 __bss_start
-000000000000101c g       .text	0000000000000000 __DATA_BEGIN__
-000000000000101c g       .text	0000000000000000 _edata
-0000000000001020 g       .text	0000000000000000 _end
+0000000000001318 g       .rodata	0000000000000000 __BSS_END__
+0000000000001318 g       .rodata	0000000000000000 __bss_start
+000000000000024c g     F .text	00000000000000ac main
+0000000000001318 g       .rodata	0000000000000000 __DATA_BEGIN__
+0000000000001318 g       .rodata	0000000000000000 _edata
+0000000000001318 g       .rodata	0000000000000000 _end
+0000000000000000 g     F .text	00000000000000f4 binary_search