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comparison romdb.c @ 1281:34113230fd88

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Fix heuristic detection of SRAM for 3MB ROMs with SRAM at the 3MB mark
author Michael Pavone <pavone@retrodev.com>
date Tue, 14 Mar 2017 00:06:19 -0700
parents 23c94f5266d1
children 65f03a0a426a
comparison
equal deleted inserted replaced
1280:6a6cc3b3949b 1281:34113230fd88
527 memset(info->map, 0, sizeof(memmap_chunk)*2); 527 memset(info->map, 0, sizeof(memmap_chunk)*2);
528 memcpy(info->map+2, base_map, sizeof(memmap_chunk) * base_chunks); 528 memcpy(info->map+2, base_map, sizeof(memmap_chunk) * base_chunks);
529 529
530 if (ram_start >= rom_end) { 530 if (ram_start >= rom_end) {
531 info->map[0].end = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF; 531 info->map[0].end = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF;
532 if (info->map[0].end > ram_start) {
533 info->map[0].end = ram_start;
534 }
532 //TODO: ROM mirroring 535 //TODO: ROM mirroring
533 info->map[0].mask = 0xFFFFFF; 536 info->map[0].mask = 0xFFFFFF;
534 info->map[0].flags = MMAP_READ; 537 info->map[0].flags = MMAP_READ;
535 info->map[0].buffer = rom; 538 info->map[0].buffer = rom;
536 539