From f84c36c351bc646e5af4d3c029b83b094a8fbd61 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Wed, 24 Sep 2025 17:11:23 +0100
Subject: [PATCH] Implement GET TRACK INFORMATION for CD-R for
 invisible/incomplete track.

---
 src/cdrom/cdrom.c | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/src/cdrom/cdrom.c b/src/cdrom/cdrom.c
index c9e1cdf64..4be61c13f 100644
--- a/src/cdrom/cdrom.c
+++ b/src/cdrom/cdrom.c
@@ -2946,7 +2946,43 @@ cdrom_read_track_information(cdrom_t *dev, const uint8_t *cdb, uint8_t *buffer)
             break;
         case 0x01:
             if (dev->blank_media) {
-                ret = -cdb[1];
+                if (pos != 0xff) {
+                    ret = -cdb[1];
+                    break;
+                }
+
+                // Otherwise it is asking the invisible/incomplete track information
+                memset(buffer, 0, 36);
+                buffer[ 0] = 0x00; /* Data Length (MSB) */
+                buffer[ 1] = 0x22; /* Data Length (LSB) */
+                buffer[ 2] = 0x01; /* Logical Track Number (LSB) */
+                buffer[ 3] = 0x01; /* Session Number (LSB) */
+                buffer[ 4] = 0x00; /* Reserved */
+                buffer[ 5] = 0x04; /* LJRS, Damage, Copy, Track Mode */
+                buffer[ 6] = 0x4f; /* RT, Blank, Packet, FP, Data Mode */
+                buffer[ 7] = 0x01; /* LRA_V, NWA_V */
+                buffer[ 8] = 0x00; /* Logical Track Start Addres (MSB...) */
+                buffer[ 9] = 0x00; /* ... */
+                buffer[10] = 0x00; /* ... */
+                buffer[11] = 0x00; /* Logical Track Start Address (...LSB) */
+                buffer[12] = 0x00; /* Next Writable Address (MSB...) */
+                buffer[13] = 0x00; /* ... */
+                buffer[14] = 0x00; /* ... */
+                buffer[15] = 0x00; /* Next Writable Address (...LSB) */
+                buffer[16] = 0x00; /* Free Blocks (MSB...) */
+                buffer[17] = 0x05; /* ... */
+                buffer[18] = 0x7d; /* ... */
+                buffer[19] = 0xa4; /* Free Blocks (...LSB) */
+                buffer[20] = 0x00; /* Fixed Packet Size (MSB...) */
+                buffer[21] = 0x00; /* ... */
+                buffer[22] = 0x00; /* ... */
+                buffer[23] = 0x00; /* Fixed Packet Size (...LSB) */
+                buffer[24] = 0x00; /* Logical Track Size (MSB...) */
+                buffer[25] = 0x05; /* ... */
+                buffer[26] = 0x7d; /* ... */
+                buffer[27] = 0xa4; /* Logical Track Size (...LSB) */
+
+                ret = 28;
                 break;
             }