// license:BSD-3-Clause // copyright-holders:hap /* National Semiconductor COPS(MM57 MCU family) disassembler */ #ifndef MAME_CPU_COPS1_COPS1D_H #define MAME_CPU_COPS1_COPS1D_H #pragma once class cops1_common_disassembler : public util::disasm_interface { public: cops1_common_disassembler(); virtual ~cops1_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_AD, em_ADD, em_SUB, em_COMP, em_0TA, em_ADX, em_HXA, em_TAM, em_SC, em_RSC, em_TC, em_TIN, em_TF, em_TKB, em_TIR, em_BTD, em_DSPA, em_DSPS, em_AXO, em_LDF, em_READ, em_GO, em_CALL, em_RET, em_RETS, em_LG, em_LGCALL, em_NOP, em_EXC, em_EXCM, em_EXCP, em_MTA, em_LM, em_SM1, em_SM2, em_SM4, em_SM8, em_RSM1, em_RSM2, em_RSM4, em_RSM8, em_TM, em_LB, em_LBL, em_ATB, em_BTA, em_HXBR }; 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 mm5799_disassembler : public cops1_common_disassembler { public: mm5799_disassembler() = default; virtual ~mm5799_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 mm5799_opmap[0x100]; }; #endif // MAME_CPU_COPS1_COPS1D_H