mappum/DCPU-16 — pull request #23 by apage43 (2012-04-06 09:15:38+00:00)
Title: Fix stack handling.

The spec specifies that POP is [SP++] and PUSH is [--SP].

Program that breaks without this fix is detailed here: http://0x10cforum.com/forum/m/4932880/viewthread/2713790-program-that-breaks-in-some-emulators