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use the reset vector at 0x4 for entry ##bin

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https://darkdust.net/writings/megadrive/initializing for references

fixes #12848

i only chk with a few games, but they all look correct
This commit is contained in:
Lowly Worm 2019-01-21 22:23:48 -08:00
parent 710e6001ec
commit 5bcb5c7206
1 changed files with 10 additions and 8 deletions
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18
libr/bin/p/bin_smd.c
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@ -300,14 +300,16 @@ static RList *entries(RBinFile *bf) { // Should be 3 offsets pointed by NMI, RES
if (!(ptr = R_NEW0 (RBinAddr))) {
return ret;
}
#if 0
SMD_Header hdr = {{0}};
r_buf_read_at (bf->buf, 0, (ut8*)&hdr, sizeof (hdr));
ut64 baddr = 0; // r_read_be32 (&hdr.RomStart);
ptr->paddr = ptr->vaddr = baddr + 0x100 + sizeof (SMD_Header);
#endif
ptr->paddr = ptr->vaddr = 0x100 + sizeof (SMD_Header);
r_list_append (ret, ptr);
if (bf->size < sizeof (SMD_Vectors)) {
eprintf ("ERR: binfile too small!\n");
ptr->paddr = ptr->vaddr = 0x100 + sizeof (SMD_Header);
r_list_append (ret, ptr);
} else {
SMD_Vectors vectors;
r_buf_read_at (bf->buf, 0, (ut8*)&vectors, sizeof (vectors));
ptr->paddr = ptr->vaddr = r_read_be32 (&vectors.Reset);
r_list_append (ret, ptr);
}
return ret;
}