// license:BSD-3-Clause // copyright-holders:AJR #ifndef MAME_CPU_VAX_VAXDASM_H #define MAME_CPU_VAX_VAXDASM_H #pragma once class vax_disassembler : public util::disasm_interface { public: enum class mode : u8 { none, rb, srb, urb, cntb, rw, srw, urw, mskw, rl, srl, url, posl, prl, rq, srq, urq, ro, uro, mb, mw, ml, mq, mo, wb, ww, wl, wq, wo, ab, aw, al, aq, ao, bb, bw, vb }; struct opdef { std::string_view mnemonic; mode operand[6]; u32 flags; }; // construction/destruction vax_disassembler(); static bool is_read_mode(mode m); static const mode *get_operands(u8 op); protected: // disassembler overrides virtual u32 opcode_alignment() const override; virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; private: // internal helpers void format_immediate(std::ostream &stream, u32 i) const; void format_signed(std::ostream &stream, s32 value) const; void format_relative(std::ostream &stream, u32 pc, s32 displ) const; void format_register_mask(std::ostream &stream, u16 mask) const; offs_t disassemble_inst(std::ostream &stream, const opdef &inst, offs_t &pc, offs_t ppc, const data_buffer &opcodes) const; }; #endif // MAME_CPU_VAX_VAXDASM_H