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HUGE performance boost thanks to advice from @fleroviux ❤️

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CocoSimone
2023-02-19 19:21:38 +01:00
parent 6b916831b7
commit bead7e55bc
6 changed files with 58 additions and 56 deletions
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27
src/backend/Core.cpp
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@@ -47,29 +47,12 @@ void Core::Run(Window& window, float volumeL, float volumeR) {
InterruptRaise(mmio.mi, regs, Interrupt::VI);
}
for(;cycles <= mmio.vi.cyclesPerHalfline; cycles++, frameCycles++) {
int cpuCount = CpuStep(*this);
int oldCpuCount = cpuCount;
while(cpuCount--) {
if (!mmio.rsp.spStatus.halt) {
regs.steps++;
if (regs.steps > 2) {
mmio.rsp.steps += 2;
regs.steps -= 3;
}
int cpuCount = CpuStep(*this);
frameCycles += cpuCount;
while (mmio.rsp.steps > 0) {
mmio.rsp.steps--;
mmio.rsp.Step(regs, mem);
}
}
}
mmio.ai.Step(mem, regs, oldCpuCount, volumeL, volumeR);
scheduler.tick(1, mem, regs);
}
cycles -= mmio.vi.cyclesPerHalfline;
mmio.rsp.Run(cpuCount, regs, mem);
mmio.ai.Step(mem, regs, cpuCount, volumeL, volumeR);
scheduler.tick(cpuCount, mem, regs);
}
if ((mmio.vi.current & 0x3FE) == mmio.vi.intr) {