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// license:BSD-3-Clause
// copyright-holders:hap
/*
National Semiconductor MM5799 MCU
*/
#ifndef MAME_CPU_COPS1_MM5799_H
#define MAME_CPU_COPS1_MM5799_H
#pragma once
#include "cops1base.h"
// pinout reference
/*
____ ____
K1 1 |* \_/ | 28 DO1
K2 2 | | 27 DO2
K3 3 | | 26 DO3
K4 4 | | 25 DO4
INB 5 | | 24 SI
SYNC 6 | | 23 SO
OSC 7 | MM5799N | 22 BLK
F3 8 | | 21 Vdd
F2 9 | | 20 Sa
F1 10 | | 19 Sb
PWR ON 11 | | 18 Sc
Sp 12 | | 17 Sd
Sg 13 | | 16 Se
Sf 14 |___________| 15 Vss
*/
class mm5799_device : public cops1_base_device
{
public:
mm5799_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// device_disasm_interface overrides
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
// device_execute_interface overrides
virtual void execute_one() override;
virtual bool op_argument() override;
void data_map(address_map &map);
void program_map(address_map &map);
// opcode helpers
u8 ram_r();
void ram_w(u8 data);
void pop_pc();
void push_pc();
// opcode handlers
void op_ad();
void op_add();
void op_sub();
void op_comp();
void op_0ta();
void op_adx();
void op_hxa();
void op_tam();
void op_sc();
void op_rsc();
void op_tc();
void op_tin();
void op_tf();
void op_tkb();
void op_tir();
void op_btd();
void op_dspa();
void op_dsps();
void op_axo();
void op_ldf();
void op_read();
void op_go();
void op_call();
void op_ret();
void op_rets();
void op_lg();
void op_nop();
void op_exc();
void op_excm();
void op_excp();
void op_mta();
void op_lm();
void op_sm();
void op_rsm();
void op_tm();
void op_lb();
void op_lbl();
void op_atb();
void op_bta();
void op_hxbr();
};
DECLARE_DEVICE_TYPE(MM5799, mm5799_device)
#endif // MAME_CPU_COPS1_MM5799_H
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