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-rw-r--r--src/devices/cpu/h16/h16dasm.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/devices/cpu/h16/h16dasm.h b/src/devices/cpu/h16/h16dasm.h
new file mode 100644
index 00000000000..e8a633728f8
--- /dev/null
+++ b/src/devices/cpu/h16/h16dasm.h
@@ -0,0 +1,55 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_CPU_H16_H16DASM_H
+#define MAME_CPU_H16_H16DASM_H
+
+#pragma once
+
+class h16_disassembler : public util::disasm_interface
+{
+public:
+ // construction/destruction
+ h16_disassembler();
+
+ // 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:
+ enum class ea_mode {
+ SIGNED,
+ UNSIGNED,
+ DESTINATION,
+ MEMORY,
+ PLAIN_MEMORY,
+ ADDRESS,
+ BITFIELD
+ };
+
+ static const char *const s_conditions[16];
+ static const char *const s_term_conditions[16];
+ static const char *const s_basic_ops[4];
+ static const char *const s_logical_ops[3];
+ static const char *const s_sft_ops[8];
+ static const char *const s_bit_ops[4];
+ static const char *const s_bf_ops[3];
+ static const char *const s_cr_ops[5];
+
+ // formatting/disassembly helpers
+ void format_register(std::ostream &stream, char bank, u8 n) const;
+ void format_register_to_register(std::ostream &stream, u8 rr) const;
+ void format_register_list(std::ostream &stream, u16 rl) const;
+ u8 get_cr_size(u8 cr) const;
+ void format_cr(std::ostream &stream, u8 cr) const;
+ void format_s8(std::ostream &stream, u8 data) const;
+ void format_s16(std::ostream &stream, u16 data) const;
+ void format_s32(std::ostream &stream, u32 data) const;
+ void dasm_displacement(std::ostream &stream, offs_t &pc, const data_buffer &opcodes, u8 sd) const;
+ void dasm_ea(std::ostream &stream, offs_t &pc, const h16_disassembler::data_buffer &opcodes, u8 ea, char bank, ea_mode mode, u8 sz) const;
+ void dasm_eas_ead(std::ostream &stream, offs_t &pc, const h16_disassembler::data_buffer &opcodes, ea_mode smode, ea_mode dmode, u8 sz) const;
+ void dasm_eas_ead(std::ostream &stream, offs_t &pc, const h16_disassembler::data_buffer &opcodes, ea_mode smode, ea_mode dmode, u8 szs, u8 szd) const;
+ void dasm_branch_disp(std::ostream &stream, offs_t &pc, const h16_disassembler::data_buffer &opcodes, u8 sz) const;
+};
+
+#endif // MAME_CPU_H16_H16DASM_H