From 0b2b58c5e31187a0ad8c8c6bf4d7f93ab64aa962 Mon Sep 17 00:00:00 2001
From: Charles Averill <charlesaverill20@gmail.com>
Date: Fri, 8 Dec 2023 15:48:25 -0600
Subject: [PATCH] Add print char syscall

---
 name-emu/src/syscall.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/name-emu/src/syscall.rs b/name-emu/src/syscall.rs
index 757b4355..ac5fa245 100644
--- a/name-emu/src/syscall.rs
+++ b/name-emu/src/syscall.rs
@@ -32,7 +32,13 @@ pub(crate) fn syscall(mips: &mut Mips, code: u32) -> Result<(), ExecutionErrors>
         10 => {
             Err(ExecutionErrors::Event { event: ExecutionEvents::ProgramComplete })
         }
-
+        // Print char. Writes the value in $a0 as a char to the screen
+        11 => {
+            if let Some(c) = std::char::from_u32(mips.regs[4]) {
+                print!("{}", c);
+            }
+            Ok(())
+        }
         _ => Err(ExecutionErrors::SyscallInvalidSyscallNumber)
     }
-}
\ No newline at end of file
+}