From 28108a27b98bad1b266971ff1432be1710e47a2e Mon Sep 17 00:00:00 2001
From: MetalliC <0vetal0@gmail.com>
Date: Tue, 2 Jun 2020 13:58:57 +0300
Subject: [PATCH] wd_fdc.cpp honor write protection (nw)

---
 src/devices/machine/wd_fdc.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/devices/machine/wd_fdc.cpp b/src/devices/machine/wd_fdc.cpp
index 94bd7a1cdb7..4111c09d6a9 100644
--- a/src/devices/machine/wd_fdc.cpp
+++ b/src/devices/machine/wd_fdc.cpp
@@ -784,6 +784,12 @@ void wd_fdc_device_base::write_track_continue()
 
 		case SETTLE_DONE:
 			LOGSTATE("SETTLE_DONE\n");
+			if (floppy && floppy->wpt_r()) {
+				LOGSTATE("WRITE_PROT\n");
+				status |= S_WP;
+				command_end();
+				return;
+			}
 			set_drq();
 			sub_state = DATA_LOAD_WAIT;
 			delay_cycles(t_gen, 192);
@@ -890,6 +896,12 @@ void wd_fdc_device_base::write_sector_continue()
 
 		case SETTLE_DONE:
 			LOGSTATE("SETTLE_DONE\n");
+			if (floppy && floppy->wpt_r()) {
+				LOGSTATE("WRITE_PROT\n");
+				status |= S_WP;
+				command_end();
+				return;
+			}
 			sub_state = SCAN_ID;
 			counter = 0;
 			live_start(SEARCH_ADDRESS_MARK_HEADER);