From 6e090318f1554ff15776e928c04f1ef2da374f0b Mon Sep 17 00:00:00 2001
From: Toni Riikonen <domppari@hotmail.com>
Date: Sun, 14 Dec 2025 13:43:42 +0200
Subject: [PATCH] Setting default seek time (10ms) for fdd seeks, as 0ms seek
 time causes issues on some OS'ses. Also enabled to use seek-times defined for
 fdd audio profile "None".

---
 src/floppy/fdd.c        | 6 +++++-
 src/floppy/fdd_audio.c  | 4 ++--
 src/include/86box/fdd.h | 1 +
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/floppy/fdd.c b/src/floppy/fdd.c
index 164c0b037..30be0979a 100644
--- a/src/floppy/fdd.c
+++ b/src/floppy/fdd.c
@@ -365,7 +365,7 @@ void
 fdd_seek(int drive, int track_diff)
 {
     fdd_log("fdd_seek(drive=%d, track_diff=%d)\n", drive, track_diff);
-    if (!track_diff)
+    if (track_diff == 0)
         return;
 
     if (fdd_seek_in_progress[drive]) {
@@ -411,6 +411,10 @@ fdd_seek(int drive, int track_diff)
 
         /* Get seek timings from audio profile configuration with direction awareness */
         double   seek_time_us = fdd_audio_get_seek_time(drive, actual_track_diff, is_seek_down);
+        if (seek_time_us < 1) {
+            seek_time_us = DEFAULT_SEEK_TIME_MS * 1000;
+        }
+
         fdd_log("Seek timing for drive %d: %.2f µs (%s)\n", 
                 drive, seek_time_us, is_seek_down ? "DOWN" : "UP");
         uint64_t seek_delay_us = seek_time_us * TIMER_USEC;
diff --git a/src/floppy/fdd_audio.c b/src/floppy/fdd_audio.c
index 5fe5e6358..9bd9aeea6 100644
--- a/src/floppy/fdd_audio.c
+++ b/src/floppy/fdd_audio.c
@@ -291,7 +291,7 @@ fdd_audio_load_profiles(void)
 void
 load_profile_samples(int profile_id)
 {
-    if (profile_id <= 0 || profile_id >= audio_profile_count)
+    if (profile_id < 0 || profile_id >= audio_profile_count)
         return;
 
     fdd_audio_profile_config_t *config  = &audio_profiles[profile_id];
@@ -444,7 +444,7 @@ double
 fdd_audio_get_seek_time(int drive, int track_count, int is_seek_down)
 {
     int profile_id = fdd_get_audio_profile(drive);
-    if (profile_id <= 0 || profile_id >= audio_profile_count) {
+    if (profile_id < 0 || profile_id >= audio_profile_count) {
         return 0;
     }
 
diff --git a/src/include/86box/fdd.h b/src/include/86box/fdd.h
index b10c34854..a173279a4 100644
--- a/src/include/86box/fdd.h
+++ b/src/include/86box/fdd.h
@@ -24,6 +24,7 @@
 #define FDD_NUM              4
 #define FLOPPY_IMAGE_HISTORY 10
 #define SEEK_RECALIBRATE     -999
+#define DEFAULT_SEEK_TIME_MS 10.0
 
 #ifdef __cplusplus
 extern "C" {