diff options
Diffstat (limited to 'src/devices/cpu/cr16c/cr16cdasm.h')
-rw-r--r-- | src/devices/cpu/cr16c/cr16cdasm.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/devices/cpu/cr16c/cr16cdasm.h b/src/devices/cpu/cr16c/cr16cdasm.h new file mode 100644 index 00000000000..6d9fb50969f --- /dev/null +++ b/src/devices/cpu/cr16c/cr16cdasm.h @@ -0,0 +1,50 @@ +// license:BSD-3-Clause +// copyright-holders:AJR + +#ifndef MAME_CPU_CR16C_CR16CDASM_H +#define MAME_CPU_CR16C_CR16CDASM_H + +#pragma once + +class cr16c_disassembler : public util::disasm_interface +{ +public: + // construction/destruction + cr16c_disassembler(); + + // 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; + +protected: + // formatting helpers + void format_reg(std::ostream &stream, u8 value); + void format_rpair(std::ostream &stream, u8 value); + void format_rrpair(std::ostream &stream, u8 value); + void format_rproc(std::ostream &stream, u8 value, bool d); + void format_imm20(std::ostream &stream, u32 imm); + void format_imm32(std::ostream &stream, u32 imm); + void format_abs20(std::ostream &stream, u32 addr); + void format_abs24(std::ostream &stream, u32 addr); + void format_disp4(std::ostream &stream, u8 disp); + void format_disp4_x2(std::ostream &stream, u8 disp); + void format_disp14(std::ostream &stream, u16 disp); + void format_disp16(std::ostream &stream, u16 disp); + void format_disp20(std::ostream &stream, u32 disp); + void format_disp20_neg(std::ostream &stream, u32 disp); + void format_pc_disp4(std::ostream &stream, offs_t pc, u8 disp); + void format_pc_disp8(std::ostream &stream, offs_t pc, u8 disp); + void format_pc_disp16(std::ostream &stream, offs_t pc, u16 disp); + void format_pc_disp24(std::ostream &stream, offs_t pc, u32 disp); + void format_excp_vect(std::ostream &stream, u8 value); + + // disassembly helpers + offs_t dasm_imm4_16_reg(std::ostream &stream, offs_t pc, u16 opcode, bool i, const data_buffer &opcodes); + offs_t dasm_imm4_16_rpair(std::ostream &stream, offs_t pc, u16 opcode, const data_buffer &opcodes); + +private: + // static tables + static const char *const s_cc[14]; +}; + +#endif // MAME_CPU_CR16C_CR16CDASM_H |