From 8aac2bd029cfd6aa094c3adbe3f03f672c1138f3 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Tue, 14 Sep 2021 21:53:07 -0400
Subject: [PATCH] Stubs in serial port status.

---
 Machines/Amiga/Chipset.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Machines/Amiga/Chipset.cpp b/Machines/Amiga/Chipset.cpp
index dc775ffa6..714e4a6a0 100644
--- a/Machines/Amiga/Chipset.cpp
+++ b/Machines/Amiga/Chipset.cpp
@@ -573,6 +573,10 @@ void Chipset::perform(const CPU::MC68000::Microcycle &cycle) {
 		break;
 
 		// Serial port.
+		case Read(0x018):
+			LOG("TODO: serial data and status");
+			cycle.set_value16(0x3000);	// i.e. transmit buffer empty.
+		break;
 		case Write(0x030):
 			LOG("TODO: serial data: " << PADHEX(4) << cycle.value16());
 		break;