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// license:BSD-3-Clause
// copyright-holders:AJR
#ifndef MAME_CPU_CR16B_CR16BDASM_H
#define MAME_CPU_CR16B_CR16BDASM_H
#pragma once
class cr16b_disassembler : public util::disasm_interface
{
public:
// construction/destruction
cr16b_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:
enum cr16_arch
{
CR16A,
CR16B
};
cr16b_disassembler(cr16_arch arch);
// internal helpers
void format_reg(std::ostream &stream, u8 reg);
void format_rpair(std::ostream &stream, u8 reg);
virtual void format_rproc(std::ostream &stream, u8 reg);
void format_short_imm(std::ostream &stream, u8 imm);
void format_short_imm_unsigned(std::ostream &stream, u8 imm, bool i);
void format_short_imm_decimal(std::ostream &stream, u8 imm);
void format_medium_imm(std::ostream &stream, u16 imm);
void format_medium_imm_unsigned(std::ostream &stream, u16 imm, bool i);
void format_medium_imm_decimal(std::ostream &stream, u16 imm);
void format_imm21(std::ostream &stream, u32 imm);
void format_disp5(std::ostream &stream, u8 disp);
void format_disp16(std::ostream &stream, u16 disp);
void format_disp18(std::ostream &stream, u32 disp);
void format_abs18(std::ostream &stream, u32 addr);
void format_pc_disp5(std::ostream &stream, offs_t pc, u8 disp);
void format_pc_disp9(std::ostream &stream, offs_t pc, u16 disp);
void format_pc_disp17(std::ostream &stream, offs_t pc, u32 disp);
void format_pc_disp21(std::ostream &stream, offs_t pc, u32 disp);
void format_excp_vector(std::ostream &stream, u8 vec);
private:
// static tables
static const char *const s_cc[14];
// architecture version
const cr16_arch m_arch;
};
class cr16a_disassembler : public cr16b_disassembler
{
public:
// construction/destruction
cr16a_disassembler();
protected:
virtual void format_rproc(std::ostream &stream, u8 reg) override;
};
#endif // MAME_CPU_CR16B_CR16BDASM_H
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