diff --git a/helper.s b/helper.s
index 84ebb93..f8a9933 100644
--- a/helper.s
+++ b/helper.s
@@ -18,14 +18,13 @@ clear_heap_block_loop:
   mov byte ptr [rdi+rcx], 0
   inc rcx
   cmp rcx, rsi
-  jle clear_heap_block_loop
+  jl clear_heap_block_loop
   ret 
 
 # rdi = size in octets
 brk_alloc:
   push rbx
   push r12
-  inc rdi      # so you get all of the requested space
   mov rbx, rdi
 
   mov rax, 12
diff --git a/main.s b/main.s
index e425782..43ee130 100644
--- a/main.s
+++ b/main.s
@@ -176,31 +176,24 @@ process_inpt:
 
 # In stack it is 
 # A = Address to loop back
-# C = Cell to check
-# AC AC AC AC AC AC AC <- pop here
 process_loop_start:
   pop rdi
   push r11 # Address to loopback
-  push r15 # Cell to check
   push rdi
   ret 
 
 process_loop_end:
   # Gotta get ret value
   pop rsi
-  pop rdi # Cell
   pop rax # Address
   
   # if cell is 0 we are done with loop
-  cmp byte ptr [r14+rdi], 0
+  cmp byte ptr [r14+r15], 0
   je 1f
   mov r11, rax
 
   # Make sure stack isn't caught on fire
   push rax
-  push rdi
-  push rsi
-  ret
 1:
   push rsi
   ret # Discard
diff --git a/tests/test1.bf b/tests/test1.bf
new file mode 100644
index 0000000..067b2de
--- /dev/null
+++ b/tests/test1.bf
@@ -0,0 +1,2 @@
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.>
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.
diff --git a/test.bf b/tests/test2.bf
similarity index 100%
rename from test.bf
rename to tests/test2.bf
diff --git a/tests/test3.bf b/tests/test3.bf
new file mode 100644
index 0000000..521b257
--- /dev/null
+++ b/tests/test3.bf
@@ -0,0 +1 @@
+++++[>++++[>++++<-]<-]>>++.[<<+>>-]<<.
diff --git a/tests/test4.bf b/tests/test4.bf
new file mode 100644
index 0000000..8fa0f72
--- /dev/null
+++ b/tests/test4.bf
@@ -0,0 +1 @@
+++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.
diff --git a/welcome.bf b/welcome.bf
new file mode 100644
index 0000000..ecbf2c1
--- /dev/null
+++ b/welcome.bf
@@ -0,0 +1 @@
++++++++++[>++++++++>+++++++++++>++++>++++++++++>+++++++++++>++++>+++++++++++<<<<<<<-]>.>++.+++++++..+++.>---.-.>---.>++.<<<---.>>>--.<<<+++.--.>>>++.<<.<+++++++.-----.>.>>--.--.<<<+++++.>>>>+++.<<<<-.>.>>+.<<<-.>>>-.++++++++.+++++.>>+++.<<<<<+++.>>>>>---.<<---.<<.>>--.+++++.<<<-.>>>>>++.<<++++.--.++.>>.<<++.>>.<<--.>+++++.<<<.<+++.>>>.>>++++.<<++..>>----.<<------.<<.>>-----.+++++.<<.<<-------.>>>----.------.<+.>>>>>++++++++++.