mirror of https://github.com/bsnes-emu/bsnes.git
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
namespace Heuristics {
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struct WonderSwan {
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WonderSwan(vector<uint8_t>& buffer, string location);
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explicit operator bool() const;
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auto manifest() const -> string;
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private:
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vector<uint8_t>& data;
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string location;
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};
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WonderSwan::WonderSwan(vector<uint8_t>& data, string location) : data(data), location(location) {
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}
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WonderSwan::operator bool() const {
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return data.size() >= 0x10000;
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}
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auto WonderSwan::manifest() const -> string {
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if(!operator bool()) return {};
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auto metadata = &data[data.size() - 16];
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bool color = metadata[7];
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string ramType;
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uint ramSize = 0;
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switch(metadata[11]) {
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case 0x01: ramType = "RAM"; ramSize = 8 * 1024; break;
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case 0x02: ramType = "RAM"; ramSize = 32 * 1024; break;
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case 0x03: ramType = "RAM"; ramSize = 128 * 1024; break;
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case 0x04: ramType = "RAM"; ramSize = 256 * 1024; break;
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case 0x05: ramType = "RAM"; ramSize = 512 * 1024; break;
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case 0x10: ramType = "EEPROM"; ramSize = 128; break;
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case 0x20: ramType = "EEPROM"; ramSize = 2048; break;
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case 0x50: ramType = "EEPROM"; ramSize = 1024; break;
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}
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bool orientation = metadata[12] & 1; //0 = horizontal; 1 = vertical
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bool hasRTC = metadata[13] & 1;
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string output;
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output.append("game\n");
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output.append(" sha256: ", Hash::SHA256(data).digest(), "\n");
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output.append(" label: ", Location::prefix(location), "\n");
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output.append(" name: ", Location::prefix(location), "\n");
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output.append(" orientation: ", !orientation ? "horizontal" : "vertical", "\n");
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output.append(" board\n");
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output.append(Memory{}.type("ROM").size(data.size()).content("Program").text());
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if(ramType && ramSize)
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output.append(Memory{}.type(ramType).size(ramSize).content("Save").text());
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if(hasRTC)
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output.append(Memory{}.type("RTC").size(0x10).content("Time").text());
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return output;
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}
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}
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