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diff --git a/src/devices/cpu/amis2000/amis2000d.h b/src/devices/cpu/amis2000/amis2000d.h
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+++ b/src/devices/cpu/amis2000/amis2000d.h
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+// license:BSD-3-Clause
+// copyright-holders:hap
+/*
+
+ AMI S2000-family disassembler
+
+*/
+
+#ifndef MAME_CPU_AMIS2000_AMIS2000D_H
+#define MAME_CPU_AMIS2000_AMIS2000D_H
+
+#pragma once
+
+class amis2000_disassembler : public util::disasm_interface
+{
+public:
+ amis2000_disassembler() = default;
+ virtual ~amis2000_disassembler() = default;
+
+ virtual u32 opcode_alignment() const override;
+ virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params) override;
+
+private:
+ enum e_mnemonics
+ {
+ mLAB = 0, mLAE, mLAI, mLBE, mLBEP, mLBF, mLBZ, mXAB, mXABU, mXAE,
+ mLAM, mXC, mXCI, mXCD, mSTM, mRSM,
+ mADD, mADCS, mADIS, mAND, mXOR, mCMA, mSTC, mRSC, mSF1, mRF1, mSF2, mRF2,
+ mSAM, mSZM, mSBE, mSZC, mSOS, mSZK, mSZI, mTF1, mTF2,
+ mPP, mJMP, mJMS, mRT, mRTS, mNOP, mHALT,
+ mINP, mOUT, mDISB, mDISN, mMVS, mPSH, mPSL, mEUR
+ };
+
+ static const char *const s_mnemonics[];
+ static const s8 s_bits[];
+ static const u32 s_flags[];
+ static const u8 s2000_mnemonic[0x100];
+};
+
+#endif