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Fix #799

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This commit is contained in:
Alessio Rosiello 2023-02-04 13:58:01 +01:00
parent f6197644e8
commit 11e1435689
1 changed files with 3 additions and 2 deletions
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5
sa1.cpp
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@ -563,8 +563,9 @@ void S9xSetSA1 (uint8 byte, uint32 address)
{
int16 dividend = (int16) SA1.op1;
uint16 divisor = (uint16) SA1.op2;
uint16 remainder = (dividend >= 0) ? dividend % divisor : (dividend % divisor) + divisor;
uint16 quotient = (dividend - remainder) / divisor;
uint32 dividend_ext = dividend + (uint32)divisor * 65536;
uint16 remainder = dividend_ext % divisor;
uint16 quotient = dividend_ext / divisor;
SA1.sum = (remainder << 16) | quotient;
}