From 2a4254606dce5b839c4379ba1a7c35d2761ebaca Mon Sep 17 00:00:00 2001
From: Luke Lau <luke_lau@icloud.com>
Date: Mon, 29 Jul 2019 10:20:58 +0100
Subject: [PATCH] Start thinking about heap allocation

---
 abi.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/abi.md b/abi.md
index 5f09227..0185ec0 100644
--- a/abi.md
+++ b/abi.md
@@ -4,6 +4,13 @@ a heap is allocated at the start, and the address to the next free
 space on it is stored in `heap_start`. it needs to be
 updated/decremented whenever you put anything on the heap
 
+## todo
+- how should allocation be managed?
+make free blocks a doubly linked list. (how big is a block?)
+when allocating, use first free block, move up free pointer
+when freeing, do ???
+
+
 # closures
 
 * lambda: actual function containing the code
-- 
2.30.2