Support also non-shifted rom images.

diff --git a/a2091.cpp b/a2091.cpp
index f915878f842059b264df586b439bc1b573f1574a..6d9aeacd0ccc3ebf631b4ea54fd2455f6ee03999 100644 (file)
--- a/a2091.cpp
+++ b/a2091.cpp
@@ -4009,7 +4009,21 @@ bool a2091_init (struct autoconfig_info *aci)
                                        wd->rom[i * 2 + 1] = 0xff;
                                }
                        } else {
-                               for (int i = 1; i < slotsize / wd->rom_size; i++)
+                               int i;
+                               if (wd->rom_size == 16384) {
+                                       for (i = 1; i <= 256; i++) {
+                                               if (wd->rom[wd->rom_size - i] != 0x00 && wd->rom[wd->rom_size - i] != 0xff)
+                                                       break;
+                                       }
+                                       if (i > 256) {
+                                               // soft dumped rom without 0x2000 offset, fix it
+                                               uae_u8 tmp[0x2000];
+                                               memcpy(tmp, wd->rom + 0x2000, 0x2000);
+                                               memcpy(wd->rom + 0x2000, wd->rom, 0x2000);
+                                               memcpy(wd->rom, tmp, 0x2000);
+                                       }
+                               }
+                               for (i = 1; i < slotsize / wd->rom_size; i++)
                                        memcpy (wd->rom + i * wd->rom_size, wd->rom, wd->rom_size);
                        }
                        wd->rom_mask = wd->rom_size - 1;