48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
#pragma once
|
|
#include <MemoryHelpers.hpp>
|
|
#include <log.hpp>
|
|
|
|
namespace Util {
|
|
#define Z64 0x80371200
|
|
#define N64 0x00123780
|
|
#define V64 0x37800012
|
|
|
|
template <bool toBE = false>
|
|
FORCE_INLINE void SwapN64Rom(std::vector<u8> &rom, u32 endianness) {
|
|
u8 altByteShift = 0;
|
|
if (endianness >> 24 != 0x80) {
|
|
if ((endianness & 0xFF) != 0x80) {
|
|
if ((endianness >> 16 & 0xff) != 0x80) {
|
|
panic("TODO: Unrecognized rom endianness. Ideally, this should be more robust");
|
|
} else {
|
|
altByteShift = 12;
|
|
}
|
|
} else {
|
|
altByteShift = 24;
|
|
}
|
|
} else {
|
|
altByteShift = 0;
|
|
}
|
|
|
|
endianness &= ~(0xFF << altByteShift);
|
|
|
|
switch (endianness) {
|
|
case V64:
|
|
SwapBuffer<u16>(rom);
|
|
if constexpr (!toBE)
|
|
SwapBuffer<u32>(rom);
|
|
break;
|
|
case N64:
|
|
if constexpr (toBE)
|
|
SwapBuffer<u32>(rom);
|
|
break;
|
|
case Z64:
|
|
if constexpr (!toBE)
|
|
SwapBuffer<u32>(rom);
|
|
break;
|
|
default:
|
|
panic("Unrecognized rom format! Make sure this is a valid Nintendo 64 ROM dump!");
|
|
}
|
|
}
|
|
} // namespace Util
|