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CoreTiming: fix comments

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B3n30 2017-11-13 16:32:20 +01:00
parent 1d34c6af46
commit 1f288e06bc
1 changed files with 5 additions and 2 deletions
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7
src/core/core_timing.h
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@ -23,14 +23,17 @@
// inside callback:
// ScheduleEvent(periodInCycles - cycles_late, callback, "whatever")
// The actual timing is 268,111,855.956 Hz
// The timing we get from the assembly is 268,111,855.956 Hz
// It is possible that this number isn't jus a integer because the compiler could have
// optimized the multiplication by a multiply-by-constant division.
// Rounding to the nearest integer should be fine
constexpr s64 BASE_CLOCK_RATE_ARM11 = 268111856;
constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / 268111856;
extern int g_clock_rate_arm11;
inline s64 msToCycles(int ms) {
// since mx is int there is no way to overflow
// since ms is int there is no way to overflow
return g_clock_rate_arm11 * static_cast<s64>(ms) / 1000;
}