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Should reset the state every time a rom is loaded so the user can keep dragging and dropping roms and it works

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This commit is contained in:
SimoneN64 2023-07-10 21:27:18 +02:00
parent a7a908658a
commit 7ad47875b6
2 changed files with 5 additions and 1 deletions
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1
include/emulator.hpp
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@ -64,6 +64,7 @@ class Emulator {
Emulator();
~Emulator();
void stop();
void step();
void render();
void reset();

5
src/emulator.cpp
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@ -59,7 +59,7 @@ Emulator::Emulator() : kernel(cpu, memory, gpu), cpu(memory, kernel), gpu(memory
Emulator::~Emulator() { config.save(std::filesystem::current_path() / "config.toml"); }
void Emulator::reset() {
void Emulator::stop() {
cpu.reset();
gpu.reset();
memory.reset();
@ -69,7 +69,9 @@ void Emulator::reset() {
// Reloading r13 and r15 needs to happen after everything has been reset
// Otherwise resetting the kernel or cpu might nuke them
cpu.setReg(13, VirtualAddrs::StackTop); // Set initial SP
}
void Emulator::reset() {
// If a ROM is active and we reset, reload it. This is necessary to set up stack, executable memory, .data/.rodata/.bss all over again
if (romType != ROMType::None && romPath.has_value()) {
bool success = loadROM(romPath.value());
@ -328,6 +330,7 @@ void Emulator::run() {
void Emulator::runFrame() { cpu.runFrame(); }
bool Emulator::loadROM(const std::filesystem::path& path) {
stop();
// Get path for saving files (AppData on Windows, /home/user/.local/share/ApplcationName on Linux, etc)
// Inside that path, we be use a game-specific folder as well. Eg if we were loading a ROM called PenguinDemo.3ds, the savedata would be in
// %APPDATA%/Alber/PenguinDemo/SaveData on Windows, and so on. We do this because games save data in their own filesystem on the cart