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#pragma once
#ifdef NES_ENABLE_SNAPSHOTS
#include "nes/sys/types/cycle-count.hh"
#include "nes/common/types.hh"
#include <vector>
namespace nes::sys
{
/// System snapshot used for comparison with a reference implementation.
struct snapshot
{
explicit snapshot() = default;
cycle_count cpu_cycle;
cycle_count ppu_cycle;
std::vector<u8> ram;
std::vector<u8> sram;
std::vector<u8> vram;
std::vector<u8> oam;
struct
{
u16 pc{};
u8 sp{};
u8 a{};
u8 x{};
u8 y{};
u8 p{};
bool c{};
bool z{};
bool i{};
bool d{};
bool b{};
bool v{};
bool n{};
} registers{};
};
inline auto operator==(snapshot const& a, snapshot const& b) -> bool
{
if (a.cpu_cycle != b.cpu_cycle) { return false; }
if (a.ppu_cycle != b.ppu_cycle) { return false; }
if (a.ram != b.ram) { return false; }
if (a.sram != b.sram) { return false; }
if (a.vram != b.vram) { return false; }
if (a.oam != b.oam) { return false; }
if (a.registers.pc != b.registers.pc) { return false; }
if (a.registers.sp != b.registers.sp) { return false; }
if (a.registers.a != b.registers.a) { return false; }
if (a.registers.x != b.registers.x) { return false; }
if (a.registers.y != b.registers.y) { return false; }
if (a.registers.p != b.registers.p) { return false; }
if (a.registers.c != b.registers.c) { return false; }
if (a.registers.z != b.registers.z) { return false; }
if (a.registers.i != b.registers.i) { return false; }
if (a.registers.d != b.registers.d) { return false; }
if (a.registers.b != b.registers.b) { return false; }
if (a.registers.v != b.registers.v) { return false; }
if (a.registers.n != b.registers.n) { return false; }
return true;
}
inline auto operator!=(snapshot const& a, snapshot const& b) -> bool { return !(a == b); }
} // namespace nes::sys
#endif
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