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Merge pull request #339 from TomHarte/AcornROMs
Allows the Electron to load 8kb ROMs.
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commit
cdae0fa593
@ -66,7 +66,13 @@ class ConcreteMachine:
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break;
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}
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std::memcpy(target, &data[0], std::min(static_cast<std::size_t>(16384), data.size()));
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// Copy in, with mirroring.
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std::size_t rom_ptr = 0;
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while(rom_ptr < 16384) {
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std::size_t size_to_copy = std::min(16384 - rom_ptr, data.size());
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std::memcpy(&target[rom_ptr], data.data(), size_to_copy);
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rom_ptr += size_to_copy;
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}
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}
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// Obtains the system ROMs.
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@ -23,9 +23,9 @@ static std::list<std::shared_ptr<Storage::Cartridge::Cartridge>>
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// only one mapped item is allowed
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if(segments.size() != 1) continue;
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// which must be 16 kb in size
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// which must be 8 or 16 kb in size
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Storage::Cartridge::Cartridge::Segment segment = segments.front();
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if(segment.data.size() != 0x4000) continue;
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if(segment.data.size() != 0x4000 && segment.data.size() != 0x2000) continue;
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// is a copyright string present?
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uint8_t copyright_offset = segment.data[7];
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