From 0059493bb209d6aa8a769669dcf9582eea052d5c Mon Sep 17 00:00:00 2001
From: Ry <ryanst755@gmail.com>
Date: Thu, 13 Jul 2023 21:15:04 -0700
Subject: [PATCH] sh: Check to make sure we have a stream struct before
 continuing

Fixes issue #17.
---
 applications/sh/main.asm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/applications/sh/main.asm b/applications/sh/main.asm
index 4c2aa58..5db4c64 100644
--- a/applications/sh/main.asm
+++ b/applications/sh/main.asm
@@ -7,6 +7,8 @@ const SET_COLOR:   0xF2
 const REDRAW_LINE: 0xFE
 
     pop [shell_stream_struct_ptr]
+    cmp [shell_stream_struct_ptr], 0
+    ifz call end_current_task
 
 shell_task_return:
     cmp.8 [shell_redirect_next], 0