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attotime: redo fix from_hz(XTAL) recent regression, sorry for hitting emu.h again (nw)

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hap 2018-11-07 21:59:21 +01:00
parent 6e4d273b5f
commit 8c0dbe366c
1 changed files with 1 additions and 1 deletions
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src/emu/attotime.h
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@ -139,7 +139,7 @@ public:
/** Create an attotime from at the given frequency @frequency */
static attotime from_hz(u32 frequency) { return (frequency > 1) ? attotime(0, HZ_TO_ATTOSECONDS(frequency)) : (frequency == 1) ? attotime(1, 0) : attotime::never; }
static attotime from_hz(int frequency) { return (frequency > 0) ? from_hz(u32(frequency)) : attotime::never; }
static attotime from_hz(const XTAL &xtal) { return (double(xtal.value()) == xtal.dvalue()) ? from_hz(xtal.value()) : from_hz(xtal.dvalue()); } // -> u32 or double
static attotime from_hz(const XTAL &xtal) { return (xtal.dvalue() > 1.0) ? attotime(0, HZ_TO_ATTOSECONDS(xtal)) : from_hz(xtal.dvalue()); }
static attotime from_hz(double frequency) { if (frequency > 0.0) { double i, f = modf(1.0 / frequency, &i); return attotime(i, f * ATTOSECONDS_PER_SECOND); } else return attotime::never; }
// math