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mame/src/mess/includes/pet.h

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// license:BSD-3-Clause
// copyright-holders:Curt Coder
#pragma once
#ifndef __PET__
#define __PET__
#include "emu.h"
#include "bus/ieee488/c8050.h"
#include "bus/ieee488/ieee488.h"
#include "bus/pet/cass.h"
#include "bus/pet/exp.h"
#include "bus/pet/user.h"
#include "cpu/m6502/m6502.h"
#include "machine/6522via.h"
#include "machine/6821pia.h"
#include "imagedev/snapquik.h"
#include "machine/pla.h"
#include "machine/ram.h"
#include "sound/speaker.h"
#include "video/mc6845.h"
#define M6502_TAG "f3"
#define M6522_TAG "a5"
#define M6520_1_TAG "g8"
#define M6520_2_TAG "b8"
#define MC6845_TAG "ub13"
#define SCREEN_TAG "screen"
#define PLA1_TAG "ue6"
#define PLA2_TAG "ue5"
#define PET_USER_PORT_TAG "user"
class pet_state : public driver_device
{
public:
pet_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, M6502_TAG),
m_via(*this, M6522_TAG),
m_pia1(*this, M6520_1_TAG),
m_pia2(*this, M6520_2_TAG),
m_crtc(*this, MC6845_TAG),
m_ieee(*this, IEEE488_TAG),
m_cassette(*this, PET_DATASSETTE_PORT_TAG),
m_cassette2(*this, PET_DATASSETTE_PORT2_TAG),
m_exp(*this, PET_EXPANSION_SLOT_TAG),
m_user(*this, PET_USER_PORT_TAG),
m_speaker(*this, "speaker"),
m_ram(*this, RAM_TAG),
m_rom(*this, M6502_TAG),
m_char_rom(*this, "charom"),
m_video_ram(*this, "video_ram"),
m_row0(*this, "ROW0"),
m_row1(*this, "ROW1"),
m_row2(*this, "ROW2"),
m_row3(*this, "ROW3"),
m_row4(*this, "ROW4"),
m_row5(*this, "ROW5"),
m_row6(*this, "ROW6"),
m_row7(*this, "ROW7"),
m_row8(*this, "ROW8"),
m_row9(*this, "ROW9"),
m_lock(*this, "LOCK"),
m_key(0),
m_sync(0),
m_graphic(0),
m_blanktv(0),
m_via_irq(CLEAR_LINE),
m_pia1a_irq(CLEAR_LINE),
m_pia1b_irq(CLEAR_LINE),
m_pia2a_irq(CLEAR_LINE),
m_pia2b_irq(CLEAR_LINE),
m_exp_irq(CLEAR_LINE)
{ }
required_device<m6502_device> m_maincpu;
required_device<via6522_device> m_via;
required_device<pia6821_device> m_pia1;
required_device<pia6821_device> m_pia2;
optional_device<mc6845_device> m_crtc;
required_device<ieee488_device> m_ieee;
required_device<pet_datassette_port_device> m_cassette;
required_device<pet_datassette_port_device> m_cassette2;
required_device<pet_expansion_slot_device> m_exp;
required_device<pet_user_port_device> m_user;
optional_device<speaker_sound_device> m_speaker;
required_device<ram_device> m_ram;
required_memory_region m_rom;
required_memory_region m_char_rom;
optional_shared_ptr<UINT8> m_video_ram;
required_ioport m_row0;
required_ioport m_row1;
required_ioport m_row2;
required_ioport m_row3;
required_ioport m_row4;
required_ioport m_row5;
required_ioport m_row6;
required_ioport m_row7;
required_ioport m_row8;
required_ioport m_row9;
required_ioport m_lock;
DECLARE_MACHINE_START( pet );
DECLARE_MACHINE_START( pet2001 );
DECLARE_MACHINE_RESET( pet );
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void check_interrupts();
void update_speaker();
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
DECLARE_WRITE_LINE_MEMBER( via_irq_w );
DECLARE_WRITE8_MEMBER( via_pa_w );
DECLARE_READ8_MEMBER( via_pb_r );
DECLARE_WRITE8_MEMBER( via_pb_w );
DECLARE_WRITE_LINE_MEMBER( via_ca2_w );
DECLARE_WRITE_LINE_MEMBER( via_cb2_w );
DECLARE_WRITE_LINE_MEMBER( pia1_irqa_w );
DECLARE_WRITE_LINE_MEMBER( pia1_irqb_w );
DECLARE_READ8_MEMBER( pia1_pa_r );
DECLARE_READ8_MEMBER( pia1_pb_r );
DECLARE_WRITE8_MEMBER( pia1_pa_w );
DECLARE_WRITE_LINE_MEMBER( pia1_ca2_w );
DECLARE_WRITE_LINE_MEMBER( pia2_irqa_w );
DECLARE_WRITE_LINE_MEMBER( pia2_irqb_w );
TIMER_DEVICE_CALLBACK_MEMBER( sync_tick );
DECLARE_QUICKLOAD_LOAD_MEMBER( cbm_pet );
enum
{
SEL0 = 0,
SEL1,
SEL2,
SEL3,
SEL4,
SEL5,
SEL6,
SEL7,
SEL8,
SEL9,
SELA,
SELB,
SELC,
SELD,
SELE,
SELF
};
// keyboard state
UINT8 m_key;
// video state
int m_sync;
int m_graphic;
int m_blanktv;
int m_video_ram_size;
// sound state
int m_via_cb2;
int m_pia1_pa7;
UINT8 m_via_pa;
// interrupt state
int m_via_irq;
int m_pia1a_irq;
int m_pia1b_irq;
int m_pia2a_irq;
int m_pia2b_irq;
int m_exp_irq;
};
class pet2001b_state : public pet_state
{
public:
pet2001b_state(const machine_config &mconfig, device_type type, const char *tag)
: pet_state(mconfig, type, tag)
{ }
DECLARE_READ8_MEMBER( pia1_pb_r );
};
class pet80_state : public pet2001b_state
{
public:
pet80_state(const machine_config &mconfig, device_type type, const char *tag)
: pet2001b_state(mconfig, type, tag)
{ }
DECLARE_MACHINE_START( pet80 );
DECLARE_MACHINE_RESET( pet80 );
};
class superpet_state : public pet80_state
{
public:
superpet_state(const machine_config &mconfig, device_type type, const char *tag)
: pet80_state(mconfig, type, tag)
{ }
};
class cbm8096_state : public pet80_state
{
public:
cbm8096_state(const machine_config &mconfig, device_type type, const char *tag)
: pet80_state(mconfig, type, tag)
{ }
};
class cbm8296_state : public pet80_state
{
public:
cbm8296_state(const machine_config &mconfig, device_type type, const char *tag)
: pet80_state(mconfig, type, tag),
m_basic_rom(*this, "basic"),
m_editor_rom(*this, "editor"),
m_ue5_rom(*this, "ue5hack"),
m_ue6_rom(*this, "ue6hack"),
m_pla1(*this, PLA1_TAG),
m_pla2(*this, PLA2_TAG)
{ }
required_memory_region m_basic_rom;
required_memory_region m_editor_rom;
required_memory_region m_ue5_rom;
required_memory_region m_ue6_rom;
required_device<pls100_device> m_pla1;
required_device<pls100_device> m_pla2;
DECLARE_MACHINE_START( cbm8296 );
DECLARE_MACHINE_RESET( cbm8296 );
void read_pla1(offs_t offset, int phi2, int brw, int noscreen, int noio, int ramsela, int ramsel9, int ramon, int norom,
int &cswff, int &cs9, int &csa, int &csio, int &cse, int &cskb, int &fa12, int &casena1);
void read_pla2(offs_t offset, int phi2, int brw, int casena1, int &endra, int &noscreen, int &casena2, int &fa15);
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
UINT8 m_cr;
};
#endif
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