X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fcart.c;h=d86af41eaec738c4320e3736c1675a12a96738dc;hb=4c2e35547fd6f849648234989419a4a02d2546b4;hp=42d081721160c267921691193e7a532c6bbd23cc;hpb=a2b8c5a54568093b247ced39f0754cbb30324830;p=picodrive.git

diff --git a/pico/cart.c b/pico/cart.c
index 42d0817..d86af41 100644
--- a/pico/cart.c
+++ b/pico/cart.c
@@ -1,11 +1,11 @@
-// This is part of Pico Library
-
-// (c) Copyright 2004 Dave, All rights reserved.
-// (c) Copyright 2006-2007, Grazvydas "notaz" Ignotas
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
-
+/*
+ * PicoDrive
+ * (c) Copyright Dave, 2004
+ * (C) notaz, 2006-2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
 
 #include "pico_int.h"
 #include "../zlib/zlib.h"
@@ -23,6 +23,8 @@ void (*PicoCartMemSetup)(void);
 void (*PicoCartLoadProgressCB)(int percent) = NULL;
 void (*PicoCDLoadProgressCB)(const char *fname, int percent) = NULL; // handled in Pico/cd/cd_file.c
 
+int PicoGameLoaded;
+
 static void PicoCartDetect(const char *carthw_cfg);
 
 /* cso struct */
@@ -439,6 +441,9 @@ 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),
@@ -455,7 +460,7 @@ static unsigned char *PicoCartAlloc(int filesize, int is_sms)
 
   // Allocate space for the rom plus padding
   // use special address for 32x dynarec
-  rom = plat_mmap(0x02000000, rom_alloc_size);
+  rom = plat_mmap(0x02000000, rom_alloc_size, 0, 0);
   return rom;
 }
 
@@ -589,6 +594,18 @@ int PicoCartInsert(unsigned char *rom, unsigned int romsize, const char *carthw_
   else
     PicoPower();
 
+  PicoGameLoaded = 1;
+  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;
 }
 
@@ -607,6 +624,7 @@ void PicoCartUnload(void)
     plat_munmap(Pico.rom, rom_alloc_size);
     Pico.rom = NULL;
   }
+  PicoGameLoaded = 0;
 }
 
 static unsigned int rom_crc32(void)
@@ -809,6 +827,8 @@ static void parse_carthw(const char *carthw_cfg, int *fill_sram)
         carthw_realtec_startup();
       else if (strcmp(p, "radica_mapper") == 0)
         carthw_radica_startup();
+      else if (strcmp(p, "piersolar_mapper") == 0)
+        carthw_pier_startup();
       else if (strcmp(p, "prot_lk3") == 0)
         carthw_prot_lk3_startup();
       else {