From e86662c64047dfc1b8eb4ce17c08afee4e0e20d9 Mon Sep 17 00:00:00 2001
From: PsyK0p4T <87064902+PsyK0p4T@users.noreply.github.com>
Date: Mon, 19 Jun 2023 15:05:32 +0200
Subject: [PATCH] Update PCE.ino
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Add compatibility for "CD-ROM² Super System Card (v3.0)(Japan)" and "Arcade Card Pro CD-ROM²" carts.
---
 Cart_Reader/PCE.ino | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Cart_Reader/PCE.ino b/Cart_Reader/PCE.ino
index c1dee7f..5f8dc62 100644
--- a/Cart_Reader/PCE.ino
+++ b/Cart_Reader/PCE.ino
@@ -411,6 +411,12 @@ uint32_t detect_rom_size_PCE(void) {
       rom_size = 512;
     }
   }
+  if (rom_size == 384) {
+    //"CD-ROM² Super System Card (v3.0)(Japan)" or "Arcade Card Pro CD-ROM²"
+    if (read_byte_PCE(0x29D1) == 'V' && read_byte_PCE(0x29D2) == 'E' && read_byte_PCE(0x29D3) == 'R' && read_byte_PCE(0x29D4) == '.' && read_byte_PCE(0x29D5) == ' ' && read_byte_PCE(0x29D6) == '3' && read_byte_PCE(0x29D7) == '.' && read_byte_PCE(0x29D8) == '0' && read_byte_PCE(0x29D9) == '0') {
+      rom_size = 256;
+    }
+  }
 
   return rom_size;
 }