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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
Commodore A2232
Zorro-II Serial Card
Provides the Amiga with 7 additional RS232 ports.
***************************************************************************/
#pragma once
#ifndef __A2232_H__
#define __A2232_H__
#include "emu.h"
#include "zorro.h"
#include "machine/autoconfig.h"
#include "cpu/m6502/m65ce02.h"
#include "machine/mos6551.h"
#include "machine/mos6526.h"
#include "bus/rs232/rs232.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> a2232_device
class a2232_device : public device_t, public device_zorro2_card_interface, public amiga_autoconfig
{
public:
// construction/destruction
a2232_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// cpu
WRITE8_MEMBER( int2_w );
WRITE8_MEMBER( irq_ack_w );
// zorro slot
DECLARE_READ16_MEMBER( shared_ram_r );
DECLARE_WRITE16_MEMBER( shared_ram_w );
DECLARE_READ16_MEMBER( irq_ack_r );
DECLARE_WRITE16_MEMBER( irq_ack_w );
DECLARE_READ16_MEMBER( reset_low_r );
DECLARE_WRITE16_MEMBER( reset_low_w );
DECLARE_READ16_MEMBER( irq_r );
DECLARE_WRITE16_MEMBER( irq_w );
DECLARE_READ16_MEMBER( reset_high_r );
DECLARE_WRITE16_MEMBER( reset_high_w );
// acia
DECLARE_READ8_MEMBER( acia_0_r );
DECLARE_WRITE8_MEMBER( acia_0_w );
DECLARE_WRITE_LINE_MEMBER( acia_0_irq_w );
DECLARE_READ8_MEMBER( acia_1_r );
DECLARE_WRITE8_MEMBER( acia_1_w );
DECLARE_WRITE_LINE_MEMBER( acia_1_irq_w );
DECLARE_READ8_MEMBER( acia_2_r );
DECLARE_WRITE8_MEMBER( acia_2_w );
DECLARE_WRITE_LINE_MEMBER( acia_2_irq_w );
DECLARE_READ8_MEMBER( acia_3_r );
DECLARE_WRITE8_MEMBER( acia_3_w );
DECLARE_WRITE_LINE_MEMBER( acia_3_irq_w );
DECLARE_READ8_MEMBER( acia_4_r );
DECLARE_WRITE8_MEMBER( acia_4_w );
DECLARE_WRITE_LINE_MEMBER( acia_4_irq_w );
DECLARE_READ8_MEMBER( acia_5_r );
DECLARE_WRITE8_MEMBER( acia_5_w );
DECLARE_WRITE_LINE_MEMBER( acia_5_irq_w );
DECLARE_READ8_MEMBER( acia_6_r );
DECLARE_WRITE8_MEMBER( acia_6_w );
DECLARE_WRITE_LINE_MEMBER( acia_6_irq_w );
// cia
DECLARE_READ8_MEMBER( cia_r );
DECLARE_WRITE8_MEMBER( cia_w );
DECLARE_WRITE_LINE_MEMBER( cia_irq_w );
DECLARE_READ8_MEMBER( cia_port_a_r );
DECLARE_READ8_MEMBER( cia_port_b_r );
DECLARE_WRITE8_MEMBER( cia_port_b_w );
// rs232
DECLARE_WRITE_LINE_MEMBER( rs232_1_rxd_w );
DECLARE_WRITE_LINE_MEMBER( rs232_1_dcd_w );
DECLARE_WRITE_LINE_MEMBER( rs232_1_cts_w );
DECLARE_WRITE_LINE_MEMBER( rs232_2_dcd_w );
DECLARE_WRITE_LINE_MEMBER( rs232_2_cts_w );
DECLARE_WRITE_LINE_MEMBER( rs232_3_dcd_w );
DECLARE_WRITE_LINE_MEMBER( rs232_3_cts_w );
DECLARE_WRITE_LINE_MEMBER( rs232_4_dcd_w );
DECLARE_WRITE_LINE_MEMBER( rs232_4_cts_w );
DECLARE_WRITE_LINE_MEMBER( rs232_5_dcd_w );
DECLARE_WRITE_LINE_MEMBER( rs232_5_cts_w );
DECLARE_WRITE_LINE_MEMBER( rs232_6_dcd_w );
DECLARE_WRITE_LINE_MEMBER( rs232_6_cts_w );
DECLARE_WRITE_LINE_MEMBER( rs232_7_dcd_w );
DECLARE_WRITE_LINE_MEMBER( rs232_7_cts_w );
protected:
virtual machine_config_constructor device_mconfig_additions() const override;
virtual void device_start() override;
virtual void device_reset_after_children() override;
// device_zorro2_card_interface overrides
virtual DECLARE_WRITE_LINE_MEMBER( cfgin_w ) override;
// amiga_autoconfig overrides
virtual void autoconfig_base_address(offs_t address) override;
private:
enum
{
IRQ_ACIA_0,
IRQ_ACIA_1,
IRQ_ACIA_2,
IRQ_ACIA_3,
IRQ_ACIA_4,
IRQ_ACIA_5,
IRQ_ACIA_6,
IRQ_CIA,
IRQ_AMIGA,
IRQ_SOURCE_COUNT
};
void update_irqs();
required_device<m65ce02_device> m_iocpu;
required_device<mos6551_device> m_acia_0;
required_device<mos6551_device> m_acia_1;
required_device<mos6551_device> m_acia_2;
required_device<mos6551_device> m_acia_3;
required_device<mos6551_device> m_acia_4;
required_device<mos6551_device> m_acia_5;
required_device<mos6551_device> m_acia_6;
required_device<mos8520_device> m_cia;
required_shared_ptr<UINT8> m_shared_ram;
int m_irqs[IRQ_SOURCE_COUNT];
UINT8 m_cia_port_a;
UINT8 m_cia_port_b;
};
// device type definition
extern const device_type A2232;
#endif // __A2232_H__
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