// license:BSD-3-Clause // copyright-holders:hap /* Rockwell A/B5000 family MCU disassembler */ #ifndef MAME_CPU_RW5000_RW5000D_H #define MAME_CPU_RW5000_RW5000D_H #pragma once class rw5000_common_disassembler : public util::disasm_interface { public: rw5000_common_disassembler(); virtual ~rw5000_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: // opcode mnemonics enum e_mnemonics { em_ILL, em_NOP, em_RSC, em_SC, em_TC, em_TAM, em_LAX, em_ADX, em_COMP, em_ATB, em_ATBZ, em_LDA, em_EXC0, em_EXCP, em_EXCM, em_ADD, em_LB0, em_LB7, em_LB8, em_LB9, em_LB10, em_LB11, em_RSM, em_SM, em_TM, em_TL, em_TRA0, em_TRA1, em_RET, em_TKB, em_TKBS, em_TDIN, em_READ, em_KSEG, em_MTD }; 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 a5000_disassembler : public rw5000_common_disassembler { public: a5000_disassembler() = default; virtual ~a5000_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 a5000_opmap[0x100]; }; class a5500_disassembler : public rw5000_common_disassembler { public: a5500_disassembler() = default; virtual ~a5500_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 a5500_opmap[0x100]; }; class b5000_disassembler : public rw5000_common_disassembler { public: b5000_disassembler() = default; virtual ~b5000_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 b5000_opmap[0x100]; }; class b5500_disassembler : public rw5000_common_disassembler { public: b5500_disassembler() = default; virtual ~b5500_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 b5500_opmap[0x100]; }; class b6000_disassembler : public rw5000_common_disassembler { public: b6000_disassembler() = default; virtual ~b6000_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 b6000_opmap[0x100]; }; class b6100_disassembler : public rw5000_common_disassembler { public: b6100_disassembler() = default; virtual ~b6100_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 b6100_opmap[0x100]; }; #endif // MAME_CPU_RW5000_RW5000D_H