48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
#pragma once
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#include <MemoryHelpers.hpp>
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#include <log.hpp>
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namespace Util {
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#define Z64 0x80371200
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#define N64 0x00123780
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#define V64 0x37800012
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template <bool toBE = false>
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FORCE_INLINE void SwapN64Rom(std::vector<u8> &rom, u32 endianness) {
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u8 altByteShift = 0;
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if ((endianness >> 24) != 0x80) {
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if ((endianness & 0xFF) != 0x80) {
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if (((endianness >> 16) & 0xff) != 0x80) {
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Util::panic("TODO: Unrecognized rom endianness. Ideally, this should be more robust");
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} else {
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altByteShift = 12;
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}
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} else {
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altByteShift = 24;
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}
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} else {
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altByteShift = 0;
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}
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endianness &= ~(0xFF << altByteShift);
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switch (endianness) {
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case V64:
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SwapBuffer16(rom);
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if constexpr (!toBE)
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SwapBuffer32(rom);
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break;
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case N64:
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if constexpr (toBE)
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SwapBuffer32(rom);
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break;
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case Z64:
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if constexpr (!toBE)
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SwapBuffer32(rom);
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break;
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default:
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panic("Unrecognized rom format! Make sure this is a valid Nintendo 64 ROM dump!");
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}
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}
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} // namespace Util
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