From b9d74c2a8599bd9b5dadd6b045232cf24cad3716 Mon Sep 17 00:00:00 2001
From: DavidBuchanan314 <d@vidbuchanan.co.uk>
Date: Wed, 8 Feb 2017 15:37:31 +0000
Subject: [PATCH] Fixed backspace, mostly

---
 6850.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/6850.c b/6850.c
index 33be4d2..f810d5f 100644
--- a/6850.c
+++ b/6850.c
@@ -29,6 +29,7 @@ int stdin_ready() {
 void step_uart() {
 	if (write_addr == &memory[DATA_ADDR]) {
 		putchar(memory[DATA_ADDR]);
+		if (memory[DATA_ADDR] == '\b') printf(" \b");
 		fflush(stdout);
 		write_addr = NULL;
 	} else if (read_addr == &memory[DATA_ADDR]) {
@@ -46,6 +47,9 @@ void step_uart() {
 				printf("\r\n");
 				exit(0);
 			}
+			if (incoming_char == 0x7F) { // Backspace
+				incoming_char = '\b';
+			}
 			uart_SR.bits.RDRF = 1;
 		}
 	}