fixed my dumbassary

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

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

tests/test1.bf

@@ -0,0 +1,2 @@
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.>
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.

tests/test3.bf

@@ -0,0 +1 @@
+++++[>++++[>++++<-]<-]>>++.[<<+>>-]<<.

tests/test4.bf

@@ -0,0 +1 @@
+++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.

welcome.bf

@@ -0,0 +1 @@
++++++++++[>++++++++>+++++++++++>++++>++++++++++>+++++++++++>++++>+++++++++++<<<<<<<-]>.>++.+++++++..+++.>---.-.>---.>++.<<<---.>>>--.<<<+++.--.>>>++.<<.<+++++++.-----.>.>>--.--.<<<+++++.>>>>+++.<<<<-.>.>>+.<<<-.>>>-.++++++++.+++++.>>+++.<<<<<+++.>>>>>---.<<---.<<.>>--.+++++.<<<-.>>>>>++.<<++++.--.++.>>.<<++.>>.<<--.>+++++.<<<.<+++.>>>.>>++++.<<++..>>----.<<------.<<.>>-----.+++++.<<.<<-------.>>>----.------.<+.>>>>>++++++++++.