78002be334
* DSP: Own DSP RAM and add it to fastmem * Vendor Teakra * Add MacOS support to fastmem * Fix MacOS fastmem paths * Fix iOS build
36 lines
1013 B
C++
36 lines
1013 B
C++
#pragma once
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#include <array>
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#include <memory>
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#include <optional>
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#include "common_types.h"
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namespace Teakra {
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struct SharedMemory {
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// We allocate our own memory if the user doesn't supply their own
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std::unique_ptr<std::array<u8, 0x80000>> own_memory;
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// Points to either own own memory or user-supplied memory
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u8* raw;
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SharedMemory(u8* mem = nullptr) : raw{mem} {
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if (mem == nullptr) {
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own_memory = std::make_unique<std::array<u8, 0x80000>>();
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raw = own_memory->data();
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}
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}
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u16 ReadWord(u32 word_address) const {
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u32 byte_address = word_address * 2;
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u8 low = raw[byte_address];
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u8 high = raw[byte_address + 1];
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return low | ((u16)high << 8);
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}
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void WriteWord(u32 word_address, u16 value) {
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u8 low = value & 0xFF;
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u8 high = value >> 8;
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u32 byte_address = word_address * 2;
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raw[byte_address] = low;
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raw[byte_address + 1] = high;
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}
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};
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} // namespace Teakra
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