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Diffstat (limited to 'src/devices/cpu/f2mc16/f2mc16d.h')
-rw-r--r--src/devices/cpu/f2mc16/f2mc16d.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/devices/cpu/f2mc16/f2mc16d.h b/src/devices/cpu/f2mc16/f2mc16d.h
new file mode 100644
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+++ b/src/devices/cpu/f2mc16/f2mc16d.h
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+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_CPU_F2MC16_F2MC16D_H
+#define MAME_CPU_F2MC16_F2MC16D_H
+
+#pragma once
+
+class f2mc16_disassembler : public util::disasm_interface
+{
+public:
+ f2mc16_disassembler();
+
+protected:
+ // disasm_interface overrides
+ virtual offs_t opcode_alignment() const override;
+ virtual u32 interface_flags() const override;
+ virtual u32 page_address_bits() const override;
+ virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params) override;
+
+private:
+ // mnemonic tables
+ static const std::string_view s_segment_prefixes[4];
+ static const std::string_view s_segment_registers[6];
+ static const std::string_view s_bit_ops[8];
+ static const std::string_view s_movs_ops[4];
+ static const std::string_view s_sceq_ops[4];
+ static const std::string_view s_shift_ops[3][4];
+ static const std::string_view s_movp_ops[4];
+ static const std::string_view s_bcc_ops[16];
+
+ // formatting helpers
+ void format_imm4(std::ostream &stream, u8 x);
+ void format_imm8(std::ostream &stream, u8 x);
+ void format_imm16(std::ostream &stream, u16 x);
+ void format_imm32(std::ostream &stream, u32 x);
+ void format_imm_signed(std::ostream &stream, s32 x);
+ void format_dir(std::ostream &stream, u8 segm, u8 addr);
+ void format_io(std::ostream &stream, u8 addr);
+ void format_addr16(std::ostream &stream, u8 segm, u16 addr);
+ void format_dst16(std::ostream &stream, u16 addr);
+ void format_addr24(std::ostream &stream, u32 addr);
+ void format_rel(std::ostream &stream, offs_t pc, s8 disp);
+ void format_rwdisp8(std::ostream &stream, u8 r, u8 segm, s8 disp);
+ void format_rwdisp16(std::ostream &stream, u8 r, u8 segm, u16 disp);
+ void format_rldisp8(std::ostream &stream, u8 r, s8 disp);
+ void format_spdisp8(std::ostream &stream, s8 disp);
+ void format_pcdisp16(std::ostream &stream, s16 disp);
+ void format_rlist(std::ostream &stream, u8 rlst);
+
+ // disassembly helpers
+ u32 dasm_ea8(std::ostream &stream, offs_t pc, u8 op2, u8 segm, const data_buffer &opcodes);
+ u32 dasm_ea16(std::ostream &stream, offs_t pc, u8 op2, u8 segm, const data_buffer &opcodes);
+ u32 dasm_ea32(std::ostream &stream, offs_t pc, u8 op2, u8 segm, const data_buffer &opcodes);
+ offs_t dasm_bitop(std::ostream &stream, offs_t pc, u32 bytes, u8 segm, const data_buffer &opcodes);
+ offs_t dasm_movm(std::ostream &stream, offs_t pc, u32 bytes, u8 segm, const data_buffer &opcodes);
+ offs_t dasm_cstrop(std::ostream &stream, offs_t pc, u32 bytes, u8 segm, const data_buffer &opcodes);
+ offs_t dasm_op6f(std::ostream &stream, offs_t pc, u32 bytes, u8 segm, const data_buffer &opcodes);
+ offs_t dasm_eainst(std::ostream &stream, offs_t pc, u32 bytes, u8 op1, u8 segm, const data_buffer &opcodes);
+};
+
+#endif // MAME_CPU_F2MC16_F2MC16D_H