X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fcart.c;h=8ac330ad56cd4d839df16dfb4d2886d563fcaef1;hb=b4db550e41b2aa277f570d7bff890c8e8ee1831f;hp=42d081721160c267921691193e7a532c6bbd23cc;hpb=a2b8c5a54568093b247ced39f0754cbb30324830;p=picodrive.git

diff --git a/pico/cart.c b/pico/cart.c
index 42d0817..8ac330a 100644
--- a/pico/cart.c
+++ b/pico/cart.c
@@ -439,6 +439,9 @@ static unsigned char *PicoCartAlloc(int filesize, int is_sms)
     if (filesize > (1 << s))
       s++;
     rom_alloc_size = 1 << s;
+    // be sure we can cover all address space
+    if (rom_alloc_size < 0x10000)
+      rom_alloc_size = 0x10000;
   }
   else {
     // make alloc size at least sizeof(mcd_state),
@@ -592,6 +595,17 @@ int PicoCartInsert(unsigned char *rom, unsigned int romsize, const char *carthw_
   return 0;
 }
 
+int PicoCartResize(int newsize)
+{
+  void *tmp = plat_mremap(Pico.rom, rom_alloc_size, newsize);
+  if (tmp == NULL)
+    return -1;
+
+  Pico.rom = tmp;
+  rom_alloc_size = newsize;
+  return 0;
+}
+
 void PicoCartUnload(void)
 {
   if (PicoCartUnloadHook != NULL) {