repo2/firmware/papilioduo/memory.h @ 348
| 339 | markw | #ifndef MEMORY_H
|
|
#define MEMORY_H
|
|||
#define SRAM_BASE ((void*) 0x200000)
|
|||
#define SDRAM_BASE ((void*) 0x800000)
|
|||
// Memory usage...
|
|||
// 0x20000-0x37FFF (0x820000 in zpu space) = carts - 96k
|
|||
// 0x28000-0x37FFF (0x820000 in zpu space) = directory cache - 64k
|
|||
// 0x10000-0x1FFFF (0x810000 in zpu space) = freeze backup - 64k
|
|||
// 0x38000-0x3FFFF (0x838000 in zpu space) = os rom/basic rom - 32k
|
|||
#define INIT_MEM
|
|||
#define DIR_INIT_MEM (SDRAM_BASE + 0x28000)
|
|||
#define DIR_INIT_MEMSIZE 65536
|
|||
#define FREEZE_MEM (SDRAM_BASE + 0x10000)
|
|||
#define CARTRIDGE_MEM (SDRAM_BASE + 0x20000) // Share with dir cache, long carts will be wired by dir listing
|
|||
// offset in SDRAM area
|
|||
#define ROM_OFS 0x38000
|
|||
#define atari_regbase ((void*) 0x10000)
|
|||
#define atari_regmirror ((void*) 0x20000)
|
|||
#define zpu_regbase ((void*) 0x40000)
|
|||
#define pokey_regbase ((void*) 0x40400)
|
|||
#endif
|