// license:BSD-3-Clause // copyright-holders:hap /* Rockwell PPS-4/1 disassembler */ #ifndef MAME_CPU_PPS41_PPS41D_H #define MAME_CPU_PPS41_PPS41D_H #pragma once class pps41_common_disassembler : public util::disasm_interface { public: pps41_common_disassembler(); virtual ~pps41_common_disassembler() = default; 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 6; } virtual offs_t pc_linear_to_real(offs_t pc) const override { return (pc & ~0x3f) | m_l2r[pc & 0x3f]; } virtual offs_t pc_real_to_linear(offs_t pc) const override { return (pc & ~0x3f) | m_r2l[pc & 0x3f]; } protected: enum e_mnemonics : unsigned; static const char *const s_name[]; static const u8 s_bits[]; static const u32 s_flags[]; u8 m_l2r[0x40]; u8 m_r2l[0x40]; offs_t increment_pc(offs_t pc); offs_t common_disasm(const u8 *lut_opmap, std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms); }; class mm76_disassembler : public pps41_common_disassembler { public: mm76_disassembler() = default; virtual ~mm76_disassembler() = default; virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; private: static const u8 mm76_opmap[0x100]; }; class mm78_disassembler : public pps41_common_disassembler { public: mm78_disassembler() = default; virtual ~mm78_disassembler() = default; virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; private: static const u8 mm78_opmap[0x100]; }; #endif // MAME_CPU_PPS41_PPS41D_H