// 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: // opcode mnemonics enum e_mnemonics { // MM76/shared em_ILL /* 0! */, em_XAB, em_LBA, em_LB, em_EOB2, em_SB, em_RB, em_SKBF, em_XAS, em_LSA, em_L, em_X, em_XDSK, em_XNSK, em_A, em_AC, em_ACSK, em_ASK, em_COM, em_RC, em_SC, em_SKNC, em_LAI, em_AISK, em_RT, em_RTSK, em_T, em_NOP, em_TL, em_TM, em_TML, em_TR, em_SKMEA, em_SKBEI, em_SKAEI, em_SOS, em_ROS, em_SKISL, em_IBM, em_OB, em_IAM, em_OA, em_IOS, em_I1, em_I2C, em_INT1H, em_DIN1, em_INT0L, em_DIN0, em_SEG1, em_SEG2, // MM78 differences em_INT0H, em_INT1L, em_SAG, em_EOB3, em_TAB, em_I1SK, em_IX, em_OX, em_LXA, em_XAX, em_IOA, em_TLB, em_TMLB }; 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