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// license:BSD-3-Clause
// copyright-holders:Vas Crabb
#ifndef MAME_CPU_UPD777_UPD777DASM_H
#define MAME_CPU_UPD777_UPD777DASM_H
#pragma once
class upd777_disassembler : public util::disasm_interface
{
public:
// construction/destruction
upd777_disassembler();
protected:
// disassembler overrides
virtual u32 opcode_alignment() const override { return 1; }
virtual u32 interface_flags() const override { return NONLINEAR_PC | PAGED; }
virtual u32 page_address_bits() const override { return 7; }
virtual offs_t pc_linear_to_real(offs_t pc) const override { return (pc & ~0x7f) | m_l2r[pc & 0x7f]; }
virtual offs_t pc_real_to_linear(offs_t pc) const override { return (pc & ~0x7f) | m_r2l[pc & 0x7f]; }
virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override;
private:
u8 m_l2r[0x80];
u8 m_r2l[0x80];
std::string get_300optype_name(int optype);
std::string get_200optype_name(int optype);
std::string get_reg_name(int reg);
};
#endif // MAME_CPU_UPD777_UPD777DASM_H
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