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// license:BSD-3-Clause
// copyright-holders:AJR
#ifndef MAME_CPU_HPC_HPCDASM_H
#define MAME_CPU_HPC_HPCDASM_H
#pragma once
class hpc_disassembler : public util::disasm_interface
{
protected:
enum : u16
{
REGISTER_A = 0x00c8,
REGISTER_K = 0x00ca,
REGISTER_B = 0x00cc,
REGISTER_X = 0x00ce
};
// construction/destruction
hpc_disassembler(const char *const regs[]);
// 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:
// internal helpers
void format_register(std::ostream &stream, u16 reg) const;
void format_immediate_byte(std::ostream &stream, u8 data) const;
void format_immediate_word(std::ostream &stream, u16 data) const;
void disassemble_op(std::ostream &stream, const char *op, u16 reg, u16 src, bool imm, bool indir, bool idx, bool w) const;
void disassemble_unary_op(std::ostream &stream, const char *op, u16 offset, u16 src, bool indir, bool idx, bool w) const;
void disassemble_bit_op(std::ostream &stream, const char *op, u8 bit, u16 offset, u16 src, bool indir, bool idx) const;
// register names
const char *const *m_regs;
};
class hpc16083_disassembler : public hpc_disassembler
{
public:
hpc16083_disassembler() : hpc_disassembler(s_regs) { }
private:
static const char *const s_regs[128];
};
class hpc16164_disassembler : public hpc_disassembler
{
public:
hpc16164_disassembler() : hpc_disassembler(s_regs) { }
private:
static const char *const s_regs[128];
};
#endif // MAME_CPU_HPC_HPCDASM_H
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