// Copyright 2022 Risc0, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include "risc0/zkvm/circuit/cycle.h"
#include "risc0/zkvm/circuit/mem_io_regs.h"

namespace risc0::circuit {

struct MemCheck {
  MemIORegs memIO;
  Reg cycle;
  RegBin sameAddr;
  RegDigits<2, kMemBits> memDiff;

  MemCheck(BufAlloc& alloc) : memIO(alloc), cycle(alloc), sameAddr(alloc), memDiff(alloc) {}

  void set(StepState& state);
};

} // namespace risc0::circuit