/*****************************************************************************
*
* includes/kc.h
*
****************************************************************************/
#ifndef KC_H_
#define KC_H_
/* Devices */
#include "imagedev/cassette.h"
#include "machine/ram.h"
// Components
#include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "machine/z80ctc.h"
#include "machine/z80pio.h"
#include "machine/ram.h"
#include "machine/kc_keyb.h"
#include "machine/rescap.h"
#include "cpu/z80/z80daisy.h"
#include "sound/speaker.h"
#include "sound/wave.h"
// Devices
#include "imagedev/cassette.h"
#include "imagedev/snapquik.h"
// Formats
#include "formats/kc_cas.h"
// Expansions
#include "machine/kcexp.h"
#include "machine/kc_ram.h"
#include "machine/kc_rom.h"
#include "machine/kc_d002.h"
#include "machine/kc_d004.h"
// from service manual
#define KC85_3_CLOCK 1751938
#define KC85_4_CLOCK 1773447
#define KC85_4_SCREEN_PIXEL_RAM_SIZE 0x04000
#define KC85_4_SCREEN_COLOUR_RAM_SIZE 0x04000
#define KC85_PALETTE_SIZE 24
#define KC85_SCREEN_WIDTH 320
#define KC85_SCREEN_HEIGHT 256
// cassette input polling frequency
#define KC_CASSETTE_TIMER_FREQUENCY attotime::from_hz(44100)
class kc_state : public driver_device
{
public:
kc_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_z80pio(*this, "z80pio"),
m_z80ctc(*this, "z80ctc"),
m_ram(*this, RAM_TAG),
m_speaker(*this, SPEAKER_TAG),
m_cassette(*this, CASSETTE_TAG)
{ }
required_device<cpu_device> m_maincpu;
required_device<z80pio_device> m_z80pio;
required_device<z80ctc_device> m_z80ctc;
required_device<ram_device> m_ram;
required_device<device_t> m_speaker;
required_device<cassette_image_device> m_cassette;
// defined in machine/kc.c
virtual void machine_start();
virtual void machine_reset();
// modules read/write
DECLARE_READ8_MEMBER ( expansion_read );
DECLARE_WRITE8_MEMBER( expansion_write );
DECLARE_READ8_MEMBER ( expansion_4000_r );
DECLARE_WRITE8_MEMBER( expansion_4000_w );
DECLARE_READ8_MEMBER ( expansion_8000_r );
DECLARE_WRITE8_MEMBER( expansion_8000_w );
DECLARE_READ8_MEMBER ( expansion_c000_r );
DECLARE_WRITE8_MEMBER( expansion_c000_w );
DECLARE_READ8_MEMBER ( expansion_e000_r );
DECLARE_WRITE8_MEMBER( expansion_e000_w );
DECLARE_READ8_MEMBER ( expansion_io_read );
DECLARE_WRITE8_MEMBER( expansion_io_write );
// bankswitch
virtual void update_0x00000();
virtual void update_0x04000();
virtual void update_0x08000();
virtual void update_0x0c000();
virtual void update_0x0e000();
// PIO callback
DECLARE_READ8_MEMBER( pio_porta_r );
DECLARE_READ8_MEMBER( pio_portb_r );
DECLARE_WRITE_LINE_MEMBER( pio_ardy_cb);
DECLARE_WRITE_LINE_MEMBER( pio_brdy_cb);
DECLARE_WRITE8_MEMBER( pio_porta_w );
DECLARE_WRITE8_MEMBER( pio_portb_w );
// CTC callback
DECLARE_WRITE_LINE_MEMBER( ctc_zc0_callback );
DECLARE_WRITE_LINE_MEMBER( ctc_zc1_callback );
DECLARE_WRITE_LINE_MEMBER( ctc_zc2_callback );
// keyboard
DECLARE_WRITE_LINE_MEMBER( keyboard_cb );
// cassette
void update_cassette(int state);
void cassette_set_motor(int motor_state);
// speaker
void speaker_update();
// defined in video/kc.c
virtual void video_start();
virtual UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER( video_toggle_blink_state );
void video_draw_8_pixels(bitmap_ind16 &bitmap, int x, int y, UINT8 colour_byte, UINT8 gfx_byte);
// driver state
UINT8 * m_ram_base;
UINT8 * m_video_ram;
int m_pio_data[2];
int m_high_resolution;
UINT8 m_ardy;
UINT8 m_brdy;
int m_kc85_blink_state;
int m_k0_line;
int m_k1_line;
UINT8 m_speaker_level;
// cassette
emu_timer * m_cassette_timer;
emu_timer * m_cassette_oneshot_timer;
int m_astb;
int m_cassette_in;
kcexp_slot_device * m_expansions[3];
};
class kc85_4_state : public kc_state
{
public:
kc85_4_state(const machine_config &mconfig, device_type type, const char *tag)
: kc_state(mconfig, type, tag)
{ }
// defined in machine/kc.c
virtual void machine_reset();
virtual void update_0x04000();
virtual void update_0x08000();
virtual void update_0x0c000();
DECLARE_READ8_MEMBER( kc85_4_86_r );
DECLARE_READ8_MEMBER( kc85_4_84_r );
DECLARE_WRITE8_MEMBER( kc85_4_86_w );
DECLARE_WRITE8_MEMBER( kc85_4_84_w );
// defined in video/kc.c
virtual void video_start();
virtual UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void video_control_w(int data);
// driver state
UINT8 m_port_84_data;
UINT8 m_port_86_data;
UINT8 * m_display_video_ram;
};
/*----------- defined in video/kc.c -----------*/
extern PALETTE_INIT( kc85 );
/*----------- defined in machine/kc.c -----------*/
QUICKLOAD_LOAD( kc );
TIMER_DEVICE_CALLBACK( kc_scanline );
#endif /* KC_H_ */