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Diffstat (limited to 'src/devices/cpu/m32c/m32cdasm.h')
-rw-r--r-- | src/devices/cpu/m32c/m32cdasm.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/devices/cpu/m32c/m32cdasm.h b/src/devices/cpu/m32c/m32cdasm.h new file mode 100644 index 00000000000..1b30f486376 --- /dev/null +++ b/src/devices/cpu/m32c/m32cdasm.h @@ -0,0 +1,57 @@ +// license:BSD-3-Clause +// copyright-holders:AJR + +#ifndef MAME_CPU_M32C_M32CDASM_H +#define MAME_CPU_M32C_M32CDASM_H + +#pragma once + +class m32c_disassembler : public util::disasm_interface +{ +public: + // construction/destruction + m32c_disassembler(); + +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: + // static tables + static const char *const s_aregs[4]; + static const char *const s_sregs_16bit[8]; + static const char *const s_sregs_24bit[8]; + static const char *const s_sregs_dma[8]; + static const char *const s_cnds[16]; + static const char *const s_dadd_ops[6]; + static const char *const s_bit_ops[8]; + static const char *const s_long_ops[4]; + static const char *const s_long_shift_ops[5]; + static const char *const s_imm1111_ops[8]; + static const char *const s_str_ops[4]; + static const char *const s_sstr_ops[4]; + static const char *const s_btst_ops[8]; + static const u8 s_short_code[4]; + + // formatting helpers + void format_imm8(std::ostream &stream, u8 imm) const; + void format_imm16(std::ostream &stream, u16 imm) const; + void format_imm24(std::ostream &stream, u32 imm) const; + void format_imm32(std::ostream &stream, u32 imm) const; + void format_label(std::ostream &stream, u32 label) const; + void format_imm_signed(std::ostream &stream, s32 imm) const; + void format_relative(std::ostream &stream, const char *reg, s32 disp) const; + + // internal helpers + void dasm_abs16(std::ostream &stream, offs_t &pc, const data_buffer &opcodes) const; + void dasm_abs24(std::ostream &stream, offs_t &pc, const data_buffer &opcodes) const; + void dasm_operand(std::ostream &stream, offs_t &pc, const data_buffer &opcodes, u8 code, u8 size, bool indirect) const; + void dasm_immediate_mode(std::ostream &stream, offs_t &pc, const data_buffer &opcodes, u8 code, u8 size, bool indirect, int count, bool signd) const; + void dasm_00000001(std::ostream &stream, offs_t &pc, const data_buffer &opcodes, bool indirect_src, bool indirect_dest) const; + void dasm_general(std::ostream &stream, offs_t &pc, offs_t &flags, const data_buffer &opcodes, u8 op1, bool indirect_src, bool indirect_dest) const; + void dasm_1101(std::ostream &stream, offs_t &pc, const data_buffer &opcodes, u8 op1, bool indirect_src, bool indirect_dest) const; + void dasm_111x(std::ostream &stream, offs_t &pc, offs_t &flags, const data_buffer &opcodes, u8 op1, bool indirect_dest) const; +}; + +#endif // MAME_CPU_M32C_M32CDASM_H |