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Merge pull request #123 from tmaul/master

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Improve the sceRtcTickAddMonths method
This commit is contained in:
Henrik Rydgård
2012-12-05 03:22:00 -08:00
parent ce297b82c1 e1a5bf91c3
commit b4c19bdd02
1 changed files with 21 additions and 9 deletions
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30
Core/HLE/sceRtc.cpp
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@@ -618,18 +618,30 @@ int sceRtcTickAddMonths(u32 destTickPtr, u32 srcTickPtr, int numMonths)
{
if (Memory::IsValidAddress(destTickPtr) && Memory::IsValidAddress(srcTickPtr))
{
s64 srcTick = (s64)Memory::Read_U64(srcTickPtr);
u64 srcTick = Memory::Read_U64(srcTickPtr);
// slightly bodgy but we need to add months to a pt and then convert to ticks (untested and broken)
// slightly bodgy but we need to add months to a pt and then convert to ticks
ScePspDateTime pt;
int years = numMonths /12;
int realmonths = numMonths % 12;
memset(&pt, 0, sizeof(pt));
pt.year = years;
pt.month = realmonths;
srcTick +=__RtcPspTimeToTicks(pt);
if (numMonths < 0)
{
numMonths = (numMonths^0xFFFFFFFF)+1;
int years = numMonths /12;
int realmonths = numMonths % 12;
pt.year = years;
pt.month = realmonths;
srcTick -=__RtcPspTimeToTicks(pt);
}
else
{
int years = numMonths /12;
int realmonths = numMonths % 12;
pt.year = years;
pt.month = realmonths;
srcTick +=__RtcPspTimeToTicks(pt);
}
Memory::Write_U64(srcTick, destTickPtr);
}