Mercurial > repos > blastem
changeset 1893:7b62e6805e6a
Only look at low 24-bits of reset vector in ROM type detection heuristic
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Thu, 05 Dec 2019 09:33:30 -0800 |
| parents | 1afd6e85ec26 |
| children | 55d034719345 |
| files | system.c |
| diffstat | 1 files changed, 1 insertions(+), 1 deletions(-) [+] |
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--- a/system.c Thu Dec 05 09:32:52 2019 -0800 +++ b/system.c Thu Dec 05 09:33:30 2019 -0800 @@ -39,7 +39,7 @@ //More certain checks failed, look for a valid 68K reset vector if (media->size >= 8) { char *rom = media->buffer; - uint32_t reset = rom[4] << 24 | rom[5] << 16 | rom[6] << 8 | rom[7]; + uint32_t reset = rom[5] << 16 | rom[6] << 8 | rom[7]; if (!(reset & 1) && reset < media->size) { //we have a valid looking reset vector, assume it's a Genesis ROM return SYSTEM_GENESIS;