X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fmemory.h;h=afca082690d1d1fd371bf339bb42b28d4ea1e8c1;hb=61290a355398cc8f17b183700f637dc65a8b8ab4;hp=9a5da869b38d1d582eca8bf39895d701e5dca808;hpb=b8a1c09ad1ef0b807c2eb1632d34e6bfae14b633;p=picodrive.git diff --git a/pico/memory.h b/pico/memory.h index 9a5da86..afca082 100644 --- a/pico/memory.h +++ b/pico/memory.h @@ -26,6 +26,11 @@ extern uptr s68k_write16_map[0x1000000 >> M68K_MEM_SHIFT]; typedef u32 (cpu68k_read_f)(u32 a); typedef void (cpu68k_write_f)(u32 a, u32 d); +extern u32 m68k_read8(u32 a); +extern u32 m68k_read16(u32 a); +extern void m68k_write8(u32 a, u8 d); +extern void m68k_write16(u32 a, u16 d); + // z80 #define Z80_MEM_SHIFT 13 extern uptr z80_read_map [0x10000 >> Z80_MEM_SHIFT]; @@ -40,7 +45,8 @@ void cpu68k_map_set(uptr *map, int start_addr, int end_addr, 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); -#define map_flag_set(x) ((x) & ((uptr)1 << (sizeof(uptr) * 8 - 1))) +#define MAP_FLAG ((uptr)1 << (sizeof(uptr) * 8 - 1)) +#define map_flag_set(x) ((x) & MAP_FLAG) #define MAKE_68K_READ8(name, map) \ u32 name(u32 a) \ @@ -127,3 +133,8 @@ void name(u32 a, u32 d) \ } \ } +// 32x +typedef struct { + uptr addr; // stores (membase >> 1) or ((handler >> 1) | (1<<31)) + u32 mask; +} sh2_memmap;