diff --git a/bench/add.lisp b/bench/add.lisp
new file mode 100644
index 0000000..ce9a266
--- /dev/null
+++ b/bench/add.lisp
@@ -0,0 +1,4 @@
+(lambda add-two (a b)
+	(return (add a b)))
+
+(print (to-string (add-two 1 1)))
diff --git a/bench/fib.lisp b/bench/fib.lisp
new file mode 100644
index 0000000..67430aa
--- /dev/null
+++ b/bench/fib.lisp
@@ -0,0 +1,6 @@
+(lambda (n)
+    (if (n < 2)
+        (return n))
+    (return (+ (fib (- n 2)) (fib (- n 1)))))
+
+(print (fib 35))
\ No newline at end of file
diff --git a/bench/hello.lisp b/bench/hello.lisp
new file mode 100644
index 0000000..2856246
--- /dev/null
+++ b/bench/hello.lisp
@@ -0,0 +1 @@
+(print "nuqneH 'u'?")
\ No newline at end of file
diff --git a/bench/hello.ul b/bench/hello.ul
index 7016193..cce3e50 100644
--- a/bench/hello.ul
+++ b/bench/hello.ul
@@ -1,8 +1,3 @@
 function main(int argc, str[] argv) {
-    str name = "World";
-    if argc > 1 {
-        name = argv[1];
-    }
-    print("Hello, {name}!");
-    exits("Done");
+    print("nuqneH 'u'?");
 }
diff --git a/bench/simple.lisp b/bench/simple.lisp
new file mode 100644
index 0000000..bde3185
--- /dev/null
+++ b/bench/simple.lisp
@@ -0,0 +1 @@
+(print (add 1.0 2.0))
\ No newline at end of file
diff --git a/src/arch/linux/main.c b/src/arch/linux/main.c
index c5dc305..89c4d4d 100644
--- a/src/arch/linux/main.c
+++ b/src/arch/linux/main.c
@@ -63,49 +63,70 @@ void compileFile(const char *path, VM *vm) {
 }
 
 void repl(VM *vm) {
-  USED(vm);
+    USED(vm);
 
-  const char *source = "(fn main ()\n"
-                       "  (print (ftos (addf 1.0 2.0))))\n"
-                       "\n"
-                       "(device Terminal \"/dev/term/0\"\n"
-                       "  (write buffer size)\n"
-                       "  (read buffer size))";
+    char buffer[1024 * 10] = {0};  // Larger buffer for multi-line input
+    char line[1024];
+    
+    for (;;) {
+        // Count current parentheses balance
+        int paren_balance = 0;
+        for (int i = 0; buffer[i]; i++) {
+            if (buffer[i] == '(') paren_balance++;
+            else if (buffer[i] == ')') paren_balance--;
+        }
+        
+        // Show appropriate prompt
+        if (paren_balance > 0) {
+            printf(".. ");  // Continuation prompt when unbalanced
+        } else {
+            printf("> ");   // Normal prompt when balanced
+        }
+        fflush(stdout);
 
-  printf("Parsing:\n%s\n\n", source);
+        if (!fgets(line, sizeof(line), stdin)) {
+            printf("\n");
+            break;
+        }
 
-  ExprNode *ast = expr_parse(source, strlen(source));
-  if (!ast) {
-    printf("Parse failed.\n");
-    exit(1);
-  }
-
-  printf("AST:\n");
-  expr_print(ast, 0);
-
-  expr_free(ast);
-
-  char line[1024];
-  for (;;) {
-    printf("> ");
-
-    if (!fgets(line, sizeof(line), stdin)) {
-      printf("\n");
-      break;
+        // Append the new line to buffer
+        strncat(buffer, line, sizeof(buffer) - strlen(buffer) - 1);
+        
+        // Recalculate balance after adding new line
+        paren_balance = 0;
+        for (int i = 0; buffer[i]; i++) {
+            if (buffer[i] == '(') paren_balance++;
+            else if (buffer[i] == ')') paren_balance--;
+        }
+        
+        // Only parse when parentheses are balanced
+        if (paren_balance == 0) {
+            // Check if buffer has actual content (not just whitespace)
+            int has_content = 0;
+            for (int i = 0; buffer[i]; i++) {
+                if (!isspace(buffer[i])) {
+                    has_content = 1;
+                    break;
+                }
+            }
+            
+            if (has_content) {
+                ExprNode *ast = expr_parse(buffer, strlen(buffer));
+                if (!ast) {
+                    printf("Parse failed.\n");
+                } else {
+                    printf("AST:\n");
+                    expr_print(ast, 0);
+                    expr_free(ast);
+                }
+            }
+            
+            // Reset buffer for next input
+            buffer[0] = '\0';
+        }
+        // If unbalanced, continue reading more lines
     }
-
-    ExprNode *ast = expr_parse(source, strlen(line));
-    if (!ast) {
-      printf("Parse failed.\n");
-      continue;
-    }
-
-    printf("AST:\n");
-    expr_print(ast, 0);
-
-    expr_free(ast);
-  }
-  exit(0);
+    exit(0);
 }
 
 enum FlagType {
diff --git a/test/add.asm b/test/add.asm
deleted file mode 100644
index 195b158..0000000
--- a/test/add.asm
+++ /dev/null
@@ -1,17 +0,0 @@
-main:
-	lodi $0 1		;load 1 into r0
-	pshi $0 		;push onto stack
-	lodi $0 1		;1
-	pshi $0
-	call &add		; call memory location for tag "add"
-	popi $0			;get value from function call "add"
-	itos $1 $0		;convert int to string
-	puts $1			;print string to stdout
-	halt
-
-add:
-	popi $0			; int a
-	popi $1			; int b
-	addi $2 $1 $0		; a + b
-	pshi $2
-	retn			; actually do the return
diff --git a/test/add.asm.lisp b/test/add.asm.lisp
new file mode 100644
index 0000000..25d7058
--- /dev/null
+++ b/test/add.asm.lisp
@@ -0,0 +1,19 @@
+((code (
+	(label main)
+	(load-imm $0 1)
+	(push $0)
+	(load-imm $0 1)
+	(call &add)
+	(pop $0)
+	(itos $1 $0)
+	(load $3 &terminal_str)
+	(strlen $2 $1)
+	(syscall DEVICE_WRITE, $3, $1, $2)
+	(halt)
+	(label add)
+	(pop $0)
+	(pop $1)
+	(addi $2 $1 $0)
+	(push $2)
+	(return)))
+	(data (label terminal_str "/dev/term/0")))
diff --git a/test/fib.asm b/test/fib.asm
deleted file mode 100644
index caff979..0000000
--- a/test/fib.asm
+++ /dev/null
@@ -1,34 +0,0 @@
-.text
-	main:
-		load $0 35
-		push $0
-		call &fib
-		pop  $0
-		itos $1 $0
-        load $2, &terminal_str
-        slen $4, $3
-        sysc DEVICE_WRITE, 3, $2  ; print(sum.toS())
-		halt
-	fib:	
-		popi $0
-		load $1 2
-		lodi $2 &base_case
-		jlti $2 $0 $1
-		load $2 2
-		subi $4 $0 $3
-		push $4
-		call &fib
-		load $2 1
-		subi $4 $0 $3
-		push $4
-		call &fib
-		pop  $4
-		pop  $5
-		addi $6 $5 $4
-		push $6
-		retn
-	base_case:	
-		push $0
-		retn 
-.data
-	terminal_str: "/dev/term/0"
diff --git a/test/fib.asm.lisp b/test/fib.asm.lisp
new file mode 100644
index 0000000..5e170fc
--- /dev/null
+++ b/test/fib.asm.lisp
@@ -0,0 +1,33 @@
+(code (
+	(label main)
+	(load $0 35)
+	(push $0)
+	(call &fib)
+	(pop  $0)
+	(itos $1 $0)
+    (load $2, &terminal_str)
+    (strlen $4, $3)
+    (sysc DEVICE_WRITE, $2, $1, $4)
+	(halt)
+	(label fib)
+	(popi $0)
+	(load $1 2)
+	(lodi $2 &base_case)
+	(jlti $2 $0 $1)
+	(load $2 2)
+	(subi $4 $0 $3)
+	(push $4)
+	(call &fib)
+	(load $2 1)
+	(subi $4 $0 $3)
+	(push $4)
+	(call &fib)
+	(pop  $4)
+	(pop  $5)
+	(addi $6 $5 $4)
+	(push $6)
+	(return)
+	(label base_case)
+	(push $0)
+	(return))
+(data (terminal_str: "/dev/term/0")))
diff --git a/test/hello.asm b/test/hello.asm
deleted file mode 100644
index 8d10572..0000000
--- a/test/hello.asm
+++ /dev/null
@@ -1,11 +0,0 @@
-.text
-hello:
-    load $1 &hello_str
-    load $2, &terminal_str
-    slen $4, $3
-    sysc DEVICE_WRITE, 3, $2  ; print(sum.toS())
-    halt
-
-.data
-	terminal_str: "/dev/term/0"
-    hello_str: "nuqneH 'u'?"
diff --git a/test/hello.asm.lisp b/test/hello.asm.lisp
new file mode 100644
index 0000000..6a5a186
--- /dev/null
+++ b/test/hello.asm.lisp
@@ -0,0 +1,9 @@
+((code (
+	(label main)
+	(load $0 &terminal_str)
+	(load $1 &hello_str)
+    (strlen $2 $1)
+	(syscall DEVICE_WRITE $0 $1 $2)
+	(halt)))
+	(data (label terminal_str "/dev/term/0")
+    (label hello_str "nuqneH 'u'?")))
diff --git a/test/loop.asm b/test/loop.asm
deleted file mode 100644
index 9868b76..0000000
--- a/test/loop.asm
+++ /dev/null
@@ -1,22 +0,0 @@
-main:	
-	lodr $0 5.0
-	lodi $1 5000
-	lodi $2 0
-	lodi $3 -1
-loop_body:	
-	lodr $5 5.0
-	addr $0 $0 $5
-	addi $1 $1 $3
-	lodu $4 &loop_body
-	jgei $4 $1 $2
-	rtou $1 $0
-	strs "Enter a string:"
-	ladu $5 0
-	puts $5
-	gets $2
-	utos $3 $1
-	puts $3
-	rtos $3 $0
-	puts $3
-	puts $2
-	halt
diff --git a/test/loop.asm.lisp b/test/loop.asm.lisp
new file mode 100644
index 0000000..08f7dba
--- /dev/null
+++ b/test/loop.asm.lisp
@@ -0,0 +1,30 @@
+((code (
+	(label main)
+	(load-imm $0 5.0)
+	(load-imm $1 5000)
+	(load-imm $2 0)
+	(load-imm $3 -1)
+	(label loop-body)
+	(load $4 &loop-body)
+	(load-imm $5 5.0)
+	(addr $0 $0 $5)
+	(addi $1 $1 $3)
+	(jgei $4 $1 $2)
+	(rtou $1 $0)
+	(load $6 &terminal_str)
+	(load $7 &help)
+    (strlen $8 $7)
+	(syscall DEVICE_WRITE $6 $7 $8)
+	(syscall DEVICE_READ $7 $2)
+	(strlen $3 $2)
+	(utos $4 $1)
+	(strlen $5 $4)
+	(syscall DEVICE_WRITE $6 $4 $5)
+	(rtos $9 $0)
+	(strlen $10 $9)
+	(syscall DEVICE_WRITE $6 $9 $10)
+	(strlen $8 $7)
+	(syscall DEVICE_WRITE $6 $7 $8)
+	(halt)))
+	(data (label terminal-str "/dev/term/0")
+    	(label help "Enter a string:")))
diff --git a/test/simple.asm b/test/simple.asm
deleted file mode 100644
index 8bb3c11..0000000
--- a/test/simple.asm
+++ /dev/null
@@ -1,14 +0,0 @@
-.text
-main:
-	limm $0 1.0
-	limm $1 2.0
-	addu $2 $1 $0
-	utos $3 $2
-    load $2, &terminal_str
-    slen $4, $3
-    sysc DEVICE_WRITE, 3, $2  ; print(sum.toS())
-    halt
-
-.data
-	terminal_str:	"/dev/term/0"
-	
\ No newline at end of file
diff --git a/test/simple.asm.lisp b/test/simple.asm.lisp
new file mode 100644
index 0000000..d884d56
--- /dev/null
+++ b/test/simple.asm.lisp
@@ -0,0 +1,11 @@
+((code (
+	(label main)
+	(load-imm $0 1.0)
+	(load-imm $0 2.0)
+	(addf $2 $1 $0)
+	(ftos $3 $2)
+	(strlen $4 $3)
+	(load $5 &terminal_str)
+	(syscall DEVICE_WRITE, $5, $3, $4)
+	(halt)))
+	(data (label terminal_str "/dev/term/0")))