Add CP/M 3 file i/o (initial version)

1 files changed, 1 insertions, 1 deletions

diff --git a/TODO.md b/TODO.md
index 3ccd0d7..75c9679 100644
--- a/TODO.md
+++ b/TODO.md
@@ -4,7 +4,7 @@ TODO List
 - TODO: eliminate xmalloc
 - TODO: build time directory as lib
 - TODO: file search path. 'cd' command?
-
+- TODO: increase __malloc_margin to ? (now 0x20)
 ----------------------------------------------------
 - Done:
 	- command 'help <topic>' should return success