Lars, your wish may come true if you fix this!

2 files changed, 11 insertions, 3 deletions

diff --git a/src/userspace/main.c b/src/userspace/main.c
index 1e68496..64077eb 100644
--- a/src/userspace/main.c
+++ b/src/userspace/main.c
@@ -6,8 +6,7 @@ void user_main()
     syscall_write(hello);
 
     while (1) {
-        char buffer[20] = {'\0'};
-        syscall_read(buffer);
-        syscall_write(buffer);
+        char ch = (char) syscall_readc();
+        syscall_writec(ch);
     };
 }
\ No newline at end of file
diff --git a/src/userspace/syscall.h b/src/userspace/syscall.h
index d5d8920..4ddd9d2 100644
--- a/src/userspace/syscall.h
+++ b/src/userspace/syscall.h
@@ -66,6 +66,11 @@ DECL_SYSCALL1(write, char *);
 
 DECL_SYSCALL1(read, char *);
 
+DECL_SYSCALL1(writec, char);
+
+DECL_SYSCALL0(readc);
+
+
 /**
  * DEFINITIONS
  */
@@ -73,4 +78,8 @@ DEFN_SYSCALL1(write, 1, char *);
 
 DEFN_SYSCALL1(read, 2, char *);
 
+DEFN_SYSCALL1(writec, 3, char);
+
+DEFN_SYSCALL0(readc, 4);
+
 #endif