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-rw-r--r--src/devices/cpu/mn1880/mn1880d.h55
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diff --git a/src/devices/cpu/mn1880/mn1880d.h b/src/devices/cpu/mn1880/mn1880d.h
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+++ b/src/devices/cpu/mn1880/mn1880d.h
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+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_CPU_MN1880_MN1880D_H
+#define MAME_CPU_MN1880_MN1880D_H
+
+#pragma once
+
+class mn1880_disassembler : public util::disasm_interface
+{
+public:
+ // construction/destruction
+ mn1880_disassembler();
+
+protected:
+ mn1880_disassembler(const char *const *inst_names);
+
+ // 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 &params) override;
+
+private:
+ // instruction mnemonic table
+ static const char *const s_inst_names[256];
+
+ // internal helpers
+ void format_direct(std::ostream &stream, u8 da) const;
+ void format_direct16(std::ostream &stream, u16 da) const;
+ void format_direct_bp(std::ostream &stream, u8 da, u8 bp) const;
+ void format_indirect_bp(std::ostream &stream, const char *ptr, u8 bp) const;
+ void format_direct_masked(std::ostream &stream, u8 da, u8 mask) const;
+ void format_indirect_masked(std::ostream &stream, const char *ptr, u8 mask) const;
+ void format_imm(std::ostream &stream, u8 imm) const;
+ void format_imm4(std::ostream &stream, u8 imm) const;
+ void format_imm16(std::ostream &stream, u16 imm) const;
+ void format_rel(std::ostream &stream, u16 base, s8 disp) const;
+ void format_abs4k(std::ostream &stream, u16 label) const;
+ void format_abs64k(std::ostream &stream, u16 label) const;
+ void dasm_operands(std::ostream &stream, u8 opcode, offs_t &pc, offs_t &flags, const data_buffer &opcodes);
+
+ const char *const *m_inst_names;
+};
+
+class mn1870_disassembler : public mn1880_disassembler
+{
+public:
+ // construction/destruction
+ mn1870_disassembler();
+
+private:
+ // instruction mnemonic table
+ static const char *const s_inst_names[256];
+};
+
+#endif // MAME_CPU_PIC17_PIC17D_H