From 2ad4ebc253e119bd4d1970609e9e7f8a6b8a18f6 Mon Sep 17 00:00:00 2001
From: SarahW <SarahW@localhost>
Date: Thu, 6 Apr 2017 21:58:15 +0100
Subject: [PATCH] Added dummy serial FCR register.

---
 src/serial.c | 5 +++++
 src/serial.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/serial.c b/src/serial.c
index 30111e1..4225bf2 100644
--- a/src/serial.c
+++ b/src/serial.c
@@ -110,6 +110,9 @@ void serial_write(uint16_t addr, uint8_t val, void *p)
                 serial->ier = val & 0xf;
                 serial_update_ints(serial);
                 break;
+                case 2:
+                serial->fcr = val;
+                break;
                 case 3:
                 serial->lcr = val;
                 break;
@@ -197,6 +200,8 @@ uint8_t serial_read(uint16_t addr, void *p)
                         serial->int_status &= ~SERIAL_INT_TRANSMIT;
                         serial_update_ints(serial);
                 }
+                if (serial->fcr & 1)
+                        temp |= 0xc0;
                 break;
                 case 3:
                 temp = serial->lcr;
diff --git a/src/serial.h b/src/serial.h
index 88e57c7..e41603f 100644
--- a/src/serial.h
+++ b/src/serial.h
@@ -15,6 +15,7 @@ typedef struct
         uint8_t dat;
         uint8_t int_status;
         uint8_t scratch;
+        uint8_t fcr;
         
         int irq;