mirror of https://github.com/bsnes-emu/bsnes.git
274 lines
6.8 KiB
C++
274 lines
6.8 KiB
C++
#include <gb/gb.hpp>
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namespace GameBoy {
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Interface* interface = nullptr;
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Settings settings;
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Interface::Interface() {
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interface = this;
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hook = nullptr;
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information.manufacturer = "Nintendo";
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information.name = "Game Boy";
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information.width = 160;
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information.height = 144;
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information.overscan = false;
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information.aspectRatio = 1.0;
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information.resettable = false;
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information.capability.states = true;
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information.capability.cheats = true;
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media.append({ID::GameBoy, "Game Boy", "gb" , true});
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media.append({ID::GameBoyColor, "Game Boy Color", "gbc", true});
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{
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Device device{0, ID::Device, "Controller"};
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device.inputs.append({0, 0, "Up" });
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device.inputs.append({1, 0, "Down" });
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device.inputs.append({2, 0, "Left" });
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device.inputs.append({3, 0, "Right" });
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device.inputs.append({4, 0, "B" });
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device.inputs.append({5, 0, "A" });
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device.inputs.append({6, 0, "Select"});
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device.inputs.append({7, 0, "Start" });
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devices.append(device);
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}
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ports.append({0, "Device", {devices[0]}});
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}
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auto Interface::manifest() -> string {
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return cartridge.manifest();
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}
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auto Interface::title() -> string {
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return cartridge.title();
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}
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auto Interface::videoFrequency() -> double {
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return 4194304.0 / (154.0 * 456.0);
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}
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auto Interface::videoColors() -> uint32 {
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return !system.cgb() ? 1 << 2 : 1 << 15;
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}
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auto Interface::videoColor(uint32 color) -> uint64 {
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if(!system.cgb()) {
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if(!settings.colorEmulation) {
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uint64 L = image::normalize(3 - color, 2, 16);
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return L << 32 | L << 16 | L << 0;
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} else {
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#define DMG_PALETTE_GREEN
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//#define DMG_PALETTE_YELLOW
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//#define DMG_PALETTE_WHITE
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const uint16 monochrome[4][3] = {
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#if defined(DMG_PALETTE_GREEN)
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{0xaeae, 0xd9d9, 0x2727},
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{0x5858, 0xa0a0, 0x2828},
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{0x2020, 0x6262, 0x2929},
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{0x1a1a, 0x4545, 0x2a2a},
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#elif defined(DMG_PALETTE_YELLOW)
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{0xffff, 0xf7f7, 0x7b7b},
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{0xb5b5, 0xaeae, 0x4a4a},
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{0x6b6b, 0x6969, 0x3131},
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{0x2121, 0x2020, 0x1010},
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#elif defined(DMG_PALETTE_WHITE)
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{0xffff, 0xffff, 0xffff},
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{0xaaaa, 0xaaaa, 0xaaaa},
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{0x5555, 0x5555, 0x5555},
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{0x0000, 0x0000, 0x0000},
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#endif
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};
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uint64 R = monochrome[color][0];
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uint64 G = monochrome[color][1];
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uint64 B = monochrome[color][2];
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return R << 32 | G << 16 | B << 0;
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}
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} else {
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uint r = color.bits( 0, 4);
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uint g = color.bits( 5, 9);
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uint b = color.bits(10,14);
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uint64_t R = image::normalize(r, 5, 16);
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uint64_t G = image::normalize(g, 5, 16);
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uint64_t B = image::normalize(b, 5, 16);
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if(settings.colorEmulation) {
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R = (r * 26 + g * 4 + b * 2);
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G = ( g * 24 + b * 8);
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B = (r * 6 + g * 4 + b * 22);
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R = image::normalize(min(960, R), 10, 16);
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G = image::normalize(min(960, G), 10, 16);
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B = image::normalize(min(960, B), 10, 16);
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}
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return R << 32 | G << 16 | B << 0;
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}
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}
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auto Interface::audioFrequency() -> double {
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return 4194304.0 / 2.0;
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}
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auto Interface::loaded() -> bool {
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return system.loaded();
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}
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auto Interface::sha256() -> string {
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return cartridge.sha256();
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}
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auto Interface::group(uint id) -> uint {
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switch(id) {
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case ID::SystemManifest:
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case ID::GameBoyBootROM:
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case ID::SuperGameBoyBootROM:
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case ID::GameBoyColorBootROM:
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return 0;
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case ID::Manifest:
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case ID::ROM:
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case ID::RAM:
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switch(system.revision()) {
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case System::Revision::GameBoy: return ID::GameBoy;
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case System::Revision::SuperGameBoy: return ID::SuperGameBoy;
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case System::Revision::GameBoyColor: return ID::GameBoyColor;
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}
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throw;
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}
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throw;
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}
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auto Interface::load(uint id) -> void {
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if(id == ID::GameBoy) system.load(System::Revision::GameBoy);
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if(id == ID::SuperGameBoy) system.load(System::Revision::SuperGameBoy);
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if(id == ID::GameBoyColor) system.load(System::Revision::GameBoyColor);
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}
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auto Interface::save() -> void {
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for(auto& memory : cartridge.memory) {
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interface->saveRequest(memory.id, memory.name);
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}
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}
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auto Interface::load(uint id, const stream& stream) -> void {
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if(id == ID::SystemManifest) {
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system.information.manifest = stream.text();
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}
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if(id == ID::GameBoyBootROM) {
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stream.read((uint8_t*)system.bootROM.dmg, min( 256u, stream.size()));
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}
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if(id == ID::SuperGameBoyBootROM) {
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stream.read((uint8_t*)system.bootROM.sgb, min( 256u, stream.size()));
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}
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if(id == ID::GameBoyColorBootROM) {
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stream.read((uint8_t*)system.bootROM.cgb, min(2048u, stream.size()));
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}
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if(id == ID::Manifest) {
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cartridge.information.markup = stream.text();
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}
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if(id == ID::ROM) {
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stream.read((uint8_t*)cartridge.romdata, min(cartridge.romsize, stream.size()));
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}
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if(id == ID::RAM) {
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stream.read((uint8_t*)cartridge.ramdata, min(stream.size(), cartridge.ramsize));
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}
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}
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auto Interface::save(uint id, const stream& stream) -> void {
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if(id == ID::RAM) {
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stream.write((uint8_t*)cartridge.ramdata, cartridge.ramsize);
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}
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}
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auto Interface::unload() -> void {
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save();
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system.unload();
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}
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auto Interface::power() -> void {
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system.power();
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}
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auto Interface::reset() -> void {
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system.power();
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}
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auto Interface::run() -> void {
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system.run();
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}
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auto Interface::serialize() -> serializer {
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system.runToSave();
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return system.serialize();
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}
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auto Interface::unserialize(serializer& s) -> bool {
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return system.unserialize(s);
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}
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auto Interface::cheatSet(const lstring& list) -> void {
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cheat.reset();
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for(auto& codeset : list) {
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lstring codes = codeset.split("+");
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for(auto& code : codes) {
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lstring part = code.split("/");
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if(part.size() == 2) cheat.append(hex(part[0]), hex(part[1]));
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if(part.size() == 3) cheat.append(hex(part[0]), hex(part[1]), hex(part[2]));
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}
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}
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}
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auto Interface::lcdScanline() -> void {
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if(hook) hook->lcdScanline();
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}
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auto Interface::lcdOutput(uint2 color) -> void {
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if(hook) hook->lcdOutput(color);
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}
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auto Interface::joypWrite(bool p15, bool p14) -> void {
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if(hook) hook->joypWrite(p15, p14);
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}
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auto Interface::cap(const string& name) -> bool {
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if(name == "Blur Emulation") return true;
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if(name == "Color Emulation") return true;
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return false;
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}
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auto Interface::get(const string& name) -> any {
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if(name == "Blur Emulation") return settings.blurEmulation;
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if(name == "Color Emulation") return settings.colorEmulation;
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return {};
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}
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auto Interface::set(const string& name, const any& value) -> bool {
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if(name == "Blur Emulation" && value.is<bool>()) {
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settings.blurEmulation = value.get<bool>();
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system.configureVideoEffects();
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return true;
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}
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if(name == "Color Emulation" && value.is<bool>()) {
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settings.colorEmulation = value.get<bool>();
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system.configureVideoPalette();
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return true;
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}
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return false;
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}
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}
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