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// license:BSD-3-Clause
// copyright-holders:hap
/*
Rockwell MM76 MCU
*/
#ifndef MAME_CPU_PPS41_MM76_H
#define MAME_CPU_PPS41_MM76_H
#pragma once
#include "pps41base.h"
// pinout reference
/*
____ ____ ____ ____
A 1 |* \_/ | 42 BP BP 1 |* \_/ | 40 A
EXCLK 2 | | 41 DIO9 VC 2 | | 39 DIO9
CLKIN 3 | | 40 DIO8 XTLIN 3 | | 38 DIO8
VC 4 | | 39 N/C XTLOUT 4 | | 37 DIO7
Vdd 5 | | 38 DIO7 Vdd 5 | | 36 DIO6
Vss 6 | | 37 DIO6 PI2 6 | | 35 DIO5
TEST 7 | | 36 DIO5 TEST 7 | | 34 DIO4
PI2 8 | | 35 DIO4 PI6 8 | | 33 DIO3
PI6 9 | | 34 DIO3 PI1 9 | | 32 DIO2
PI1 10 | MM76 | 33 DIO2 PI5 10 | MM76L | 31 DIO1
PI5 11 | MM76E | 32 DIO1 PI7 11 | MM76EL | 30 DIO0
PI7 12 | | 31 DIO0 PI3 12 | | 29 CLOCK
PI3 13 | | 30 CLOCK PI8 13 | | 28 DATAO
PI8 14 | | 29 DATAO PI4 14 | | 27 DATAI
PI4 15 | | 28 DATAI PO 15 | | 26 RIO4
Vdd 16 | | 27 RIO4 INT0 16 | | 25 RIO3
PO 17 | | 26 RIO3 INT1 17 | | 24 RIO2
INT0 18 | | 25 RIO2 RIO5 18 | | 23 RIO1
INT1 19 | | 24 RIO1 RIO6 19 | | 22 RIO8
RIO5 20 | | 23 RIO8 Vss 20 |___________| 21 RIO7
RIO6 21 |___________| 22 RIO7
*/
class mm76_device : public pps41_base_device
{
public:
mm76_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
mm76_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
// device_disasm_interface overrides
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
// device_execute_interface overrides
virtual void execute_one() override;
void data_48x4(address_map &map);
void program_0_6k(address_map &map);
// opcode helpers
u8 ram_r();
void ram_w(u8 data);
void pop_pc();
void push_pc();
void op_illegal();
void op_todo();
virtual bool op_is_tr(u8 op) override { return (op & 0xf0) == 0x30; }
virtual bool op_is_eob(u8 op) { return (op & 0xfc) == 0x1c; }
virtual bool op_is_lb(u8 op) { return (op & 0xf0) == 0x20; }
virtual bool op_is_lai(u8 op) { return (op & 0xf0) == 0x70; }
// opcode handlers
virtual void op_xab();
virtual void op_lba();
virtual void op_lb();
virtual void op_eob();
virtual void op_sb();
virtual void op_rb();
virtual void op_skbf();
virtual void op_xas();
virtual void op_lsa();
virtual void op_l();
virtual void op_x();
virtual void op_xdsk();
virtual void op_xnsk();
virtual void op_a();
virtual void op_ac();
virtual void op_acsk();
virtual void op_ask();
virtual void op_com();
virtual void op_rc();
virtual void op_sc();
virtual void op_sknc();
virtual void op_lai();
virtual void op_aisk();
virtual void op_rt();
virtual void op_rtsk();
virtual void op_t();
virtual void op_tl();
virtual void op_tm();
virtual void op_tml();
virtual void op_tr();
virtual void op_nop();
virtual void op_skmea();
virtual void op_skbei();
virtual void op_skaei();
virtual void op_ibm();
virtual void op_ob();
virtual void op_iam();
virtual void op_oa();
virtual void op_ios();
virtual void op_i1();
virtual void op_i2c();
virtual void op_int1h();
virtual void op_din1();
virtual void op_int0l();
virtual void op_din0();
virtual void op_seg1();
virtual void op_seg2();
};
class mm76l_device : public mm76_device
{
public:
mm76l_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
};
class mm76e_device : public mm76_device
{
public:
mm76e_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
mm76e_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data);
void program_1k(address_map &map);
};
class mm76el_device : public mm76e_device
{
public:
mm76el_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
};
DECLARE_DEVICE_TYPE(MM76, mm76_device)
DECLARE_DEVICE_TYPE(MM76L, mm76l_device)
DECLARE_DEVICE_TYPE(MM76E, mm76e_device)
DECLARE_DEVICE_TYPE(MM76EL, mm76el_device)
#endif // MAME_CPU_PPS41_MM76_H
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