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author | 2017-07-05 11:44:49 +0200 | |
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committer | 2017-11-26 17:41:27 +0100 | |
commit | 6caef2579a1490f05d28bcede731cbdd45fc5c65 (patch) | |
tree | 8055384e183be3cb27e7d0894ac53dc96c09e6fa /src/devices/cpu/z80/z80dasm.h | |
parent | 34b222062c89adbeed822f56be6130421777e11f (diff) |
dvdisasm: Overhaul [O. Galibert]
Disassemblers are now independant classes. Not only the code is
cleaner, but unidasm has access to all the cpu cores again. The
interface to the disassembly method has changed from byte buffers to
objects that give a result to read methods. This also adds support
for lfsr and/or paged PCs.
Diffstat (limited to 'src/devices/cpu/z80/z80dasm.h')
-rw-r--r-- | src/devices/cpu/z80/z80dasm.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/devices/cpu/z80/z80dasm.h b/src/devices/cpu/z80/z80dasm.h new file mode 100644 index 00000000000..774f4df89a8 --- /dev/null +++ b/src/devices/cpu/z80/z80dasm.h @@ -0,0 +1,56 @@ +// license:BSD-3-Clause +// copyright-holders:Juergen Buchmueller +/***************************************************************************** + * + * z80dasm.h + * Portable Z80 disassembler + * + *****************************************************************************/ + +#ifndef MAME_CPU_Z80_Z80DASM_H +#define MAME_CPU_Z80_Z80DASM_H + +#pragma once + +class z80_disassembler : public util::disasm_interface +{ +public: + z80_disassembler(); + virtual ~z80_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: + struct z80dasm + { + u8 mnemonic; + const char *arguments; + }; + + enum e_mnemonics + { + zADC ,zADD ,zAND ,zBIT ,zCALL ,zCCF ,zCP ,zCPD , + zCPDR ,zCPI ,zCPIR ,zCPL ,zDAA ,zDB ,zDEC ,zDI , + zDJNZ ,zEI ,zEX ,zEXX ,zHLT ,zIM ,zIN ,zINC , + zIND ,zINDR ,zINI ,zINIR ,zJP ,zJR ,zLD ,zLDD , + zLDDR ,zLDI ,zLDIR ,zNEG ,zNOP ,zOR ,zOTDR ,zOTIR , + zOUT ,zOUTD ,zOUTI ,zPOP ,zPUSH ,zRES ,zRET ,zRETI , + zRETN ,zRL ,zRLA ,zRLC ,zRLCA ,zRLD ,zRR ,zRRA , + zRRC ,zRRCA ,zRRD ,zRST ,zSBC ,zSCF ,zSET ,zSLA , + zSLL ,zSRA ,zSRL ,zSUB ,zXOR + }; + + static inline char sign(s8 offset); + static inline u32 offs(s8 offset); + + static const u32 s_flags[]; + static const z80dasm mnemonic_xx_cb[256]; + static const z80dasm mnemonic_cb[256]; + static const z80dasm mnemonic_ed[256]; + static const z80dasm mnemonic_xx[256]; + static const z80dasm mnemonic_main[256]; + +}; + +#endif |