Mercurial > repos > blastem
changeset 1848:ef3d368d59b0
16-bit wide save RAM is stored in memory byteswapped for performance reasons, but saving it to disc that way isn't great. Swap before save/after load to fix
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Tue, 23 Apr 2019 18:37:08 -0700 |
parents | 882746581f17 |
children | 6b5147f08846 |
files | genesis.c |
diffstat | 1 files changed, 9 insertions(+), 0 deletions(-) [+] |
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--- a/genesis.c Tue Apr 23 08:47:52 2019 -0700 +++ b/genesis.c Tue Apr 23 18:37:08 2019 -0700 @@ -1230,7 +1230,13 @@ fprintf(stderr, "Failed to open %s file %s for writing\n", save_type_name(gen->save_type), save_filename); return; } + if (gen->save_type == RAM_FLAG_BOTH) { + byteswap_rom(gen->save_size, (uint16_t *)gen->save_storage); + } fwrite(gen->save_storage, 1, gen->save_size, f); + if (gen->save_type == RAM_FLAG_BOTH) { + byteswap_rom(gen->save_size, (uint16_t *)gen->save_storage); + } fclose(f); printf("Saved %s to %s\n", save_type_name(gen->save_type), save_filename); } @@ -1243,6 +1249,9 @@ uint32_t read = fread(gen->save_storage, 1, gen->save_size, f); fclose(f); if (read > 0) { + if (gen->save_type == RAM_FLAG_BOTH) { + byteswap_rom(gen->save_size, (uint16_t *)gen->save_storage); + } printf("Loaded %s from %s\n", save_type_name(gen->save_type), save_filename); } }