From c3674370eff944f4c4da3550d93f86830daac7aa Mon Sep 17 00:00:00 2001
From: David Buchanan <d@vidbuchanan.co.uk>
Date: Fri, 11 Dec 2020 15:35:27 +0000
Subject: [PATCH] Fix compile

---
 6850.c | 4 +++-
 6850.h | 4 ----
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/6850.c b/6850.c
index f810d5f..b203ac2 100644
--- a/6850.c
+++ b/6850.c
@@ -6,7 +6,9 @@
 #include "6502.h"
 #include "6850.h"
 
-int n;
+static int n;
+static union UartStatusReg uart_SR;
+static uint8_t incoming_char;
 
 void init_uart() {
 	memory[DATA_ADDR] = 0;
diff --git a/6850.h b/6850.h
index 44f26c5..62c9459 100644
--- a/6850.h
+++ b/6850.h
@@ -19,10 +19,6 @@ union UartStatusReg {
 	uint8_t byte;
 };
 
-union UartStatusReg uart_SR;
-
-uint8_t incoming_char;
-
 void init_uart();
 
 void step_uart();