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Diffstat (limited to 'src/devices/cpu/f2mc16/f2mc16d.h')
-rw-r--r-- | src/devices/cpu/f2mc16/f2mc16d.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/devices/cpu/f2mc16/f2mc16d.h b/src/devices/cpu/f2mc16/f2mc16d.h new file mode 100644 index 00000000000..10aa6595235 --- /dev/null +++ b/src/devices/cpu/f2mc16/f2mc16d.h @@ -0,0 +1,62 @@ +// license:BSD-3-Clause +// copyright-holders:AJR + +#ifndef MAME_CPU_F2MC16_F2MC16D_H +#define MAME_CPU_F2MC16_F2MC16D_H + +#pragma once + +class f2mc16_disassembler : public util::disasm_interface +{ +public: + f2mc16_disassembler(); + +protected: + // disasm_interface overrides + virtual offs_t opcode_alignment() const override; + virtual u32 interface_flags() const override; + virtual u32 page_address_bits() const override; + virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; + +private: + // mnemonic tables + static const std::string_view s_segment_prefixes[4]; + static const std::string_view s_segment_registers[6]; + static const std::string_view s_bit_ops[8]; + static const std::string_view s_movs_ops[4]; + static const std::string_view s_sceq_ops[4]; + static const std::string_view s_shift_ops[3][4]; + static const std::string_view s_movp_ops[4]; + static const std::string_view s_bcc_ops[16]; + + // formatting helpers + void format_imm4(std::ostream &stream, u8 x); + void format_imm8(std::ostream &stream, u8 x); + void format_imm16(std::ostream &stream, u16 x); + void format_imm32(std::ostream &stream, u32 x); + void format_imm_signed(std::ostream &stream, s32 x); + void format_dir(std::ostream &stream, u8 segm, u8 addr); + void format_io(std::ostream &stream, u8 addr); + void format_addr16(std::ostream &stream, u8 segm, u16 addr); + void format_dst16(std::ostream &stream, u16 addr); + void format_addr24(std::ostream &stream, u32 addr); + void format_rel(std::ostream &stream, offs_t pc, s8 disp); + void format_rwdisp8(std::ostream &stream, u8 r, u8 segm, s8 disp); + void format_rwdisp16(std::ostream &stream, u8 r, u8 segm, u16 disp); + void format_rldisp8(std::ostream &stream, u8 r, s8 disp); + void format_spdisp8(std::ostream &stream, s8 disp); + void format_pcdisp16(std::ostream &stream, s16 disp); + void format_rlist(std::ostream &stream, u8 rlst); + + // disassembly helpers + u32 dasm_ea8(std::ostream &stream, offs_t pc, u8 op2, u8 segm, const data_buffer &opcodes); + u32 dasm_ea16(std::ostream &stream, offs_t pc, u8 op2, u8 segm, const data_buffer &opcodes); + u32 dasm_ea32(std::ostream &stream, offs_t pc, u8 op2, u8 segm, const data_buffer &opcodes); + offs_t dasm_bitop(std::ostream &stream, offs_t pc, u32 bytes, u8 segm, const data_buffer &opcodes); + offs_t dasm_movm(std::ostream &stream, offs_t pc, u32 bytes, u8 segm, const data_buffer &opcodes); + offs_t dasm_cstrop(std::ostream &stream, offs_t pc, u32 bytes, u8 segm, const data_buffer &opcodes); + offs_t dasm_op6f(std::ostream &stream, offs_t pc, u32 bytes, u8 segm, const data_buffer &opcodes); + offs_t dasm_eainst(std::ostream &stream, offs_t pc, u32 bytes, u8 op1, u8 segm, const data_buffer &opcodes); +}; + +#endif // MAME_CPU_F2MC16_F2MC16D_H |