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SNES, CPU, Emulator + tests updated

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scawful
2023-11-30 02:12:11 -05:00
parent 0bf45c86a9
commit 446734321c
15 changed files with 1144 additions and 682 deletions
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9
src/app/emu/snes.cc
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@@ -28,8 +28,8 @@ uint16_t GetHeaderOffset(const Memory& memory) {
switch (mapMode & 0x07) {
case 0: // LoROM
// offset = 0x7F;
offset = 0xFFC0;
offset = 0x7FC0;
// offset = 0xFFC0;
break;
case 1: // HiROM
offset = 0xFFC0;
@@ -110,13 +110,14 @@ ROMInfo SNES::ReadRomHeader(uint32_t offset) {
void SNES::Init(ROM& rom) {
// Perform a long jump into a FastROM bank (if the ROM speed is FastROM)
// Disable the emulation flag (switch to 65816 native mode)
cpu_.E = 0;
// Initialize CPU
cpu_.Init();
// Read the ROM header
auto header_offset = GetHeaderOffset(memory_);
rom_info_ = ReadRomHeader(header_offset);
rom_info_ = ReadRomHeader((0x00 << 16) + header_offset);
cpu_.PC = rom_info_.resetVector;
// Initialize PPU
@@ -215,8 +216,6 @@ void SNES::Init(ROM& rom) {
}
void SNES::Run() {
running_ = true;
const double targetFPS = 60.0; // 60 frames per second
const double frame_time = 1.0 / targetFPS;
double frame_accumulated_time = 0.0;