Mercurial > repos > blastem
changeset 1794:4cd226288958
Added support for detecting Mega WiFi titles based on a header string
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Fri, 22 Mar 2019 09:25:28 -0700 |
| parents | c9695252eff4 |
| children | a02b4ed940b6 |
| files | romdb.c |
| diffstat | 1 files changed, 40 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/romdb.c Wed Mar 20 22:06:29 2019 -0700 +++ b/romdb.c Fri Mar 22 09:25:28 2019 -0700 @@ -293,6 +293,46 @@ info->map[8].write_16 = (write_16_fun)write_bank_reg_w; info->map[8].write_8 = (write_8_fun)write_bank_reg_b; return; + } else if(!memcmp("SEGA MEGAWIFI", rom + 0x100, strlen("SEGA MEGAWIFI"))) { + info->mapper_type = MAPPER_NONE; + info->map_chunks = base_chunks + 2; + info->map = malloc(sizeof(memmap_chunk) * info->map_chunks); + memset(info->map, 0, sizeof(memmap_chunk)*2); + memcpy(info->map+2, base_map, sizeof(memmap_chunk) * base_chunks); + info->save_size = 0x400000; + info->save_bus = RAM_FLAG_BOTH; + info->save_type = SAVE_NOR; + info->map[0].start = 0; + info->map[0].end = 0x400000; + info->map[0].mask = 0xFFFFFF; + info->map[0].write_16 = nor_flash_write_w; + info->map[0].write_8 = nor_flash_write_b; + info->map[0].read_16 = nor_flash_read_w; + info->map[0].read_8 = nor_flash_read_b; + info->map[0].flags = MMAP_READ_CODE | MMAP_CODE; + info->map[0].buffer = info->save_buffer = malloc(info->save_size); + uint32_t init_size = size < info->save_size ? size : info->save_size; + memcpy(info->save_buffer, rom, init_size); + byteswap_rom(info->save_size, (uint16_t *)info->save_buffer); + info->nor = calloc(1, sizeof(nor_state)); + nor_flash_init(info->nor, info->save_buffer, info->save_size, 128, 0xDA45, RAM_FLAG_BOTH); + info->nor->cmd_address1 = 0xAAB; + info->nor->cmd_address2 = 0x555; + info->map[1].start = 0xA130C0; + info->map[1].end = 0xA130D0; + info->map[1].mask = 0xFFFFFF; + if (!strcmp( + "on", + tern_find_path_default(config, "system\0megawifi\0", (tern_val){.ptrval="off"}, TVAL_PTR).ptrval) + ) { + info->map[1].write_16 = megawifi_write_w; + info->map[1].write_8 = megawifi_write_b; + info->map[1].read_16 = megawifi_read_w; + info->map[1].read_8 = megawifi_read_b; + } else { + warning("ROM uses MegaWiFi, but it is disabled\n"); + } + return; } else if (has_ram_header(rom, size)) { uint32_t ram_start = read_ram_header(info, rom);