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Diffstat (limited to 'src/devices/cpu/arm7/arm7dasm.h')
-rw-r--r-- | src/devices/cpu/arm7/arm7dasm.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/devices/cpu/arm7/arm7dasm.h b/src/devices/cpu/arm7/arm7dasm.h new file mode 100644 index 00000000000..9f90b47308f --- /dev/null +++ b/src/devices/cpu/arm7/arm7dasm.h @@ -0,0 +1,51 @@ +// license:BSD-3-Clause +// copyright-holders:Steve Ellenoff,R. Belmont,Ryan Holtz +/***************************************************************************** + * + * arm7dasm.c + * Portable ARM7TDMI Core Emulator - Disassembler + * + * Copyright Steve Ellenoff, all rights reserved. + * + * This work is based on: + * #1) 'Atmel Corporation ARM7TDMI (Thumb) Datasheet - January 1999' + * #2) Arm 2/3/6 emulator By Bryan McPhail (bmcphail@tendril.co.uk) and Phil Stroffolino (MAME CORE 0.76) + * + *****************************************************************************/ + +#ifndef MAME_CPU_ARM7_ARM7DASM_H +#define MAME_CPU_ARM7_ARM7DASM_H + +#pragma once + +class arm7_disassembler : public util::disasm_interface +{ +public: + class config { + public: + virtual ~config() = default; + virtual bool get_t_flag() const = 0; + }; + + arm7_disassembler(config *conf); + + 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: + config *m_config; + + void WritePadding(std::ostream &stream, std::streampos start_position); + void DasmCoProc_RT(std::ostream &stream, u32 opcode, const char *pConditionCode, std::streampos start_position); + void DasmCoProc_DT(std::ostream &stream, u32 opcode, const char *pConditionCode, std::streampos start_position); + void DasmCoProc_DO(std::ostream &stream, u32 opcode, const char *pConditionCode, std::streampos start_position); + void WriteImmediateOperand( std::ostream &stream, u32 opcode ); + void WriteDataProcessingOperand( std::ostream &stream, u32 opcode, int printOp0, int printOp1, int printOp2 ); + void WriteRegisterOperand1( std::ostream &stream, u32 opcode ); + void WriteBranchAddress( std::ostream &stream, u32 pc, u32 opcode, bool h_bit ); + u32 arm7_disasm( std::ostream &stream, u32 pc, u32 opcode ); + u32 thumb_disasm(std::ostream &stream, u32 pc, u16 opcode); +}; + + +#endif |