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unmap cartridge and imem/dmem from fastmem (checks outweighed the performance) + support for PAL framerate

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This commit is contained in:
CocoSimone
2023-02-11 12:58:18 +01:00
parent 30c6931f09
commit 2cd82dff69
5 changed files with 39 additions and 228 deletions
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10
src/backend/Core.cpp
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@@ -7,6 +7,9 @@
namespace n64 {
Core::Core() {
if(SDL_GameControllerAddMappingsFromFile("resources/gamecontrollerdb.txt") < 0) {
Util::print("Failed to load game controller DB\n");
}
Stop();
}
@@ -25,6 +28,7 @@ CartInfo Core::LoadROM(const std::string& rom_) {
romLoaded = true;
CartInfo cartInfo = mem.LoadROM(rom);
isPAL = cartInfo.isPAL;
DoPIFHLE(mem, CpuGetRegs(), cartInfo);
return cartInfo;
@@ -32,7 +36,6 @@ CartInfo Core::LoadROM(const std::string& rom_) {
void Core::Run(Window& window, float volumeL, float volumeR) {
MMIO& mmio = mem.mmio;
Controller& controller = mmio.si.controller;
Registers& regs = CpuGetRegs();
for(int field = 0; field < mmio.vi.numFields; field++) {
@@ -47,6 +50,7 @@ void Core::Run(Window& window, float volumeL, float volumeR) {
for(;cycles <= mmio.vi.cyclesPerHalfline; cycles++, frameCycles++) {
int cpuCount = CpuStep();
int oldCpuCount = cpuCount;
while(cpuCount--) {
if (!mmio.rsp.spStatus.halt) {
regs.steps++;
@@ -62,7 +66,7 @@ void Core::Run(Window& window, float volumeL, float volumeR) {
}
}
mmio.ai.Step(mem, regs, 1, volumeL, volumeR);
mmio.ai.Step(mem, regs, oldCpuCount, volumeL, volumeR);
scheduler.tick(1, mem, regs);
}
@@ -75,7 +79,7 @@ void Core::Run(Window& window, float volumeL, float volumeR) {
UpdateScreenParallelRdp(*this, window, GetVI());
int missedCycles = N64_CYCLES_PER_FRAME(false) - frameCycles;
int missedCycles = N64_CYCLES_PER_FRAME(isPAL) - frameCycles;
mmio.ai.Step(mem, regs, missedCycles, volumeL, volumeR);
} else if(pause && romLoaded) {
UpdateScreenParallelRdp(*this, window, GetVI());