bsnes/icarus/heuristics/neo-geo-pocket.cpp

56 lines
1.4 KiB
C++

namespace Heuristics {
struct NeoGeoPocket {
NeoGeoPocket(vector<uint8_t>& data, string location);
explicit operator bool() const;
auto manifest() const -> string;
auto title() const -> string;
private:
vector<uint8_t>& data;
string location;
};
NeoGeoPocket::NeoGeoPocket(vector<uint8_t>& data, string location) : data(data), location(location) {
}
NeoGeoPocket::operator bool() const {
switch(data.size()) {
case 0x080000: return true; // 4mbit
case 0x100000: return true; // 8mbit
case 0x200000: return true; //16mbit
case 0x280000: return true; //20mbit
case 0x300000: return true; //24mbit
case 0x400000: return true; //32mbit
}
return false;
}
auto NeoGeoPocket::manifest() const -> string {
if(!operator bool()) return {};
string output;
output.append("game\n");
output.append(" sha256: ", Hash::SHA256(data).digest(), "\n");
output.append(" label: ", Location::prefix(location), "\n");
output.append(" name: ", Location::prefix(location), "\n");
output.append(" title: ", title(), "\n");
output.append(" board\n");
output.append(Memory{}.type("ROM").size(data.size()).content("Program").text());
return output;
}
auto NeoGeoPocket::title() const -> string {
if(!operator bool()) return {};
string title;
title.size(12);
for(uint index : range(12)) {
char letter = data[0x24 + index];
if(letter >= 0x20 && letter <= 0x7e) title.get()[index] = letter;
}
return title.strip();
}
}