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Diffstat (limited to 'src/devices/cpu/z80/r800dasm.h')
-rw-r--r-- | src/devices/cpu/z80/r800dasm.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/devices/cpu/z80/r800dasm.h b/src/devices/cpu/z80/r800dasm.h new file mode 100644 index 00000000000..c08b6aa90de --- /dev/null +++ b/src/devices/cpu/z80/r800dasm.h @@ -0,0 +1,39 @@ +// license:BSD-3-Clause +// copyright-holders:Wilbert Pol +/***************************************************************************** + * + * r800dasm.h + * Disassembler for ASCII R800 based on portable Z80 disassembler. + * + *****************************************************************************/ + +#ifndef MAME_CPU_Z80_R800DASM_H +#define MAME_CPU_Z80_R800DASM_H + +#pragma once + +class r800_disassembler : public util::disasm_interface +{ +public: + r800_disassembler(); + virtual ~r800_disassembler() = default; + + 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 e_mnemonics : unsigned; + struct r800dasm; + + static const u32 s_flags[]; + static const r800dasm mnemonic_xx_cb[256]; + static const r800dasm mnemonic_cb[256]; + static const r800dasm mnemonic_ed[256]; + static const r800dasm mnemonic_xx[256]; + static const r800dasm mnemonic_main[256]; + + static inline char sign(s8 offset); + static inline u32 offs(s8 offset); +}; + +#endif |