X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fmemory.h;h=ec7873fec772051a45ddd97b36f6981bef5fffd5;hb=acd35d4c08522db8cd6714c95c022be98f0889d7;hp=63c5163032891ebbbb67aba6ba62a87ec8843518;hpb=af37bca858874b5cbd5ab126eaba1fad6ff7ab72;p=picodrive.git

diff --git a/pico/memory.h b/pico/memory.h
index 63c5163..ec7873f 100644
--- a/pico/memory.h
+++ b/pico/memory.h
@@ -5,6 +5,9 @@ typedef unsigned short u16;
 typedef unsigned int   u32;
 
 #define M68K_MEM_SHIFT 16
+// minimum size we can map
+#define M68K_BANK_SIZE (1 << M68K_MEM_SHIFT)
+#define M68K_BANK_MASK (M68K_BANK_SIZE - 1)
 
 extern unsigned long m68k_read8_map  [0x1000000 >> M68K_MEM_SHIFT];
 extern unsigned long m68k_read16_map [0x1000000 >> M68K_MEM_SHIFT];
@@ -17,9 +20,9 @@ extern unsigned long s68k_write8_map [0x1000000 >> M68K_MEM_SHIFT];
 extern unsigned long s68k_write16_map[0x1000000 >> M68K_MEM_SHIFT];
 
 void z80_map_set(unsigned long *map, int start_addr, int end_addr,
-    void *func_or_mh, int is_func);
+    const void *func_or_mh, int is_func);
 void cpu68k_map_set(unsigned long *map, int start_addr, int end_addr,
-    void *func_or_mh, int is_func);
+    const void *func_or_mh, int is_func);
 void cpu68k_map_all_ram(int start_addr, int end_addr, void *ptr, int is_sub);
 void m68k_map_unmap(int start_addr, int end_addr);