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mx sram: fix checksum calc; use Common::BigEndianValue for rtc field.

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This commit is contained in:
Shawn Hoffman committed 2018-09-30 17:58:37 -07:00
1 parent cd29cdb584
commit 2cd96aa5bb
3 files changed
+12 -10
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Source/Core/Core/HW/Sram.cpp
+6 -4
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@@ -78,14 +78,16 @@ void SetCardFlashID(const u8* buffer, u8 card_index)
void FixSRAMChecksums()
{
// 16bit big-endian additive checksum
u16 checksum = 0;
u16 checksum_inv = 0;
for (auto p = reinterpret_cast<u16*>(&g_SRAM.settings.rtc_bias);
p != reinterpret_cast<u16*>(&g_SRAM.settings_ex); p++)
{
checksum += *p;
checksum_inv += ~*p;
u16 value = Common::FromBigEndian(*p);
checksum += value;
checksum_inv += ~value;
}
g_SRAM.settings.checksum = Common::swap16(checksum);
g_SRAM.settings.checksum_inv = Common::swap16(checksum_inv);
g_SRAM.settings.checksum = checksum;
g_SRAM.settings.checksum_inv = checksum_inv;
}