From c8e639cbd6f63c3c682a1c03322fe3be59b0b434 Mon Sep 17 00:00:00 2001
From: Chris Taylor <taylorza@users.noreply.github.com>
Date: Sat, 14 Aug 2021 18:23:00 -0400
Subject: [PATCH] Fixed putchar for ZX Spectrum

---
 presets/zx/bios.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/presets/zx/bios.c b/presets/zx/bios.c
index 155db723..db42198c 100644
--- a/presets/zx/bios.c
+++ b/presets/zx/bios.c
@@ -17,6 +17,7 @@ int putchar(int ch) {
     ld	a,4 (ix)
     rst 0x10
   __endasm;
+  return ch;
 }
 
 void beep(int divisor, int duration) {