From 02c9dac337f986aefeb521577a8b134dd35c94eb Mon Sep 17 00:00:00 2001
From: ekeeke <ekeeke31@gmail.com>
Date: Sun, 26 Nov 2023 17:41:12 +0100
Subject: [PATCH] [Core/CD] added CD hardware model auto-detection when BIOS is
 loaded as normal ROM file

---
 core/loadrom.c | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/core/loadrom.c b/core/loadrom.c
index 511326f..d83dbc3 100644
--- a/core/loadrom.c
+++ b/core/loadrom.c
@@ -419,17 +419,17 @@ int load_bios(int system)
         if (size > 0)
         {
           /* auto-detect CD hardware model */
-          if (!memcmp (&scd.bootrom[0x120], "WONDER-MEGA BOOT", 16))
+          if (!memcmp(&scd.bootrom[0x120], "WONDER-MEGA BOOT", 16))
           {
             /* Wondermega CD hardware */
             scd.type = CD_TYPE_WONDERMEGA;
           }
-          else if (!memcmp (&scd.bootrom[0x120], "WONDERMEGA2 BOOT", 16))
+          else if (!memcmp(&scd.bootrom[0x120], "WONDERMEGA2 BOOT", 16))
           {
             /* Wondermega M2 / X'Eye CD hardware */
             scd.type = CD_TYPE_WONDERMEGA_M2;
           }
-          else if (!memcmp (&scd.bootrom[0x120], "CDX BOOT ROM    ", 16))
+          else if (!memcmp(&scd.bootrom[0x120], "CDX BOOT ROM    ", 16))
           {
             /* CDX / Multi-Mega CD hardware */
             scd.type = CD_TYPE_CDX;
@@ -792,6 +792,28 @@ int load_rom(char *filename)
       /* enable CD hardware */
       system_hw = SYSTEM_MCD;
 
+      /* auto-detect CD hardware model */
+      if (strstr(rominfo.domestic, "WONDER-MEGA BOOT"))
+      {
+        /* Wondermega CD hardware */
+        scd.type = CD_TYPE_WONDERMEGA;
+      }
+      else if (strstr(rominfo.domestic, "WONDERMEGA2 BOOT"))
+      {
+        /* Wondermega M2 / X'Eye CD hardware */
+        scd.type = CD_TYPE_WONDERMEGA_M2;
+      }
+      else if (strstr(rominfo.domestic, "CDX BOOT ROM"))
+      {
+        /* CDX / Multi-Mega CD hardware */
+        scd.type = CD_TYPE_CDX;
+      }
+      else
+      {
+        /* default CD hardware */
+        scd.type = CD_TYPE_DEFAULT;
+      }
+
       /* boot from CD hardware */
       scd.cartridge.boot = 0x00;