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author | 2019-03-25 22:44:58 +0100 | |
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committer | 2019-03-25 22:44:58 +0100 | |
commit | c24473ddff715ecec2e258a6eb38960cf8c8e98e (patch) | |
tree | 8ea44b6396a6129913c0aac13859b5de9965e972 /src/devices/cpu/hpc/hpcdasm.h | |
parent | 009cba4fb8102102168ef32870892438327f3705 (diff) | |
parent | 598cd5227223c3b04ca31f0dbc1981256d9ea3ff (diff) |
conflict resolution (nw)
Diffstat (limited to 'src/devices/cpu/hpc/hpcdasm.h')
-rw-r--r-- | src/devices/cpu/hpc/hpcdasm.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/devices/cpu/hpc/hpcdasm.h b/src/devices/cpu/hpc/hpcdasm.h new file mode 100644 index 00000000000..ed57c6b1a35 --- /dev/null +++ b/src/devices/cpu/hpc/hpcdasm.h @@ -0,0 +1,58 @@ +// 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 |