// license:GPL-2.0+
// copyright-holders:Kevin Thacker
/*****************************************************************************
*
* includes/pcw16.h
*
****************************************************************************/
#ifndef PCW16_H_
#define PCW16_H_
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/upd765.h" /* FDC superio */
#include "machine/pc_lpt.h" /* PC-Parallel Port */
#include "machine/pckeybrd.h" /* PC-AT keyboard */
#include "machine/upd765.h" /* FDC superio */
#include "machine/ins8250.h" /* pc com port */
#include "sound/beep.h" /* pcw/pcw16 beeper */
#include "machine/intelfsh.h"
#include "formats/pc_dsk.h"
#include "machine/ram.h"
#define PCW16_BORDER_HEIGHT 8
#define PCW16_BORDER_WIDTH 8
#define PCW16_NUM_COLOURS 32
#define PCW16_DISPLAY_WIDTH 640
#define PCW16_DISPLAY_HEIGHT 480
#define PCW16_SCREEN_WIDTH (PCW16_DISPLAY_WIDTH + (PCW16_BORDER_WIDTH<<1))
#define PCW16_SCREEN_HEIGHT (PCW16_DISPLAY_HEIGHT + (PCW16_BORDER_HEIGHT<<1))
class pcw16_state : public driver_device
{
public:
pcw16_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_flash0(*this, "flash0"),
m_flash1(*this, "flash1"),
m_fdc(*this, "fdc"),
m_uart2(*this, "ns16550_2"),
m_beeper(*this, "beeper"),
m_ram(*this, RAM_TAG),
m_keyboard(*this, "at_keyboard"),
m_region_rom(*this, "maincpu"),
m_io_extra(*this, "EXTRA")
{ }
required_device<cpu_device> m_maincpu;
required_device<intel_e28f008sa_device> m_flash0;
required_device<intel_e28f008sa_device> m_flash1;
required_device<pc_fdc_superio_device> m_fdc;
required_device<ns16550_device> m_uart2;
required_device<beep_device> m_beeper;
required_device<ram_device> m_ram;
required_device<at_keyboard_device> m_keyboard;
required_memory_region m_region_rom;
required_ioport m_io_extra;
unsigned long m_interrupt_counter;
int m_banks[4];
int m_4_bit_port;
int m_fdc_int_code;
int m_system_status;
char *m_mem_ptr[4];
unsigned char m_keyboard_data_shift;
int m_keyboard_parity_table[256];
int m_keyboard_bits;
int m_keyboard_bits_output;
int m_keyboard_state;
int m_keyboard_previous_state;
unsigned char m_rtc_seconds;
unsigned char m_rtc_minutes;
unsigned char m_rtc_hours;
unsigned char m_rtc_days_max;
unsigned char m_rtc_days;
unsigned char m_rtc_months;
unsigned char m_rtc_years;
unsigned char m_rtc_control;
unsigned char m_rtc_256ths_seconds;
int m_previous_fdc_int_state;
int m_colour_palette[16];
int m_video_control;
DECLARE_WRITE8_MEMBER(pcw16_palette_w);
DECLARE_READ8_MEMBER(pcw16_bankhw_r);
DECLARE_WRITE8_MEMBER(pcw16_bankhw_w);
DECLARE_WRITE8_MEMBER(pcw16_video_control_w);
DECLARE_READ8_MEMBER(pcw16_keyboard_data_shift_r);
DECLARE_WRITE8_MEMBER(pcw16_keyboard_data_shift_w);
DECLARE_READ8_MEMBER(pcw16_keyboard_status_r);
DECLARE_WRITE8_MEMBER(pcw16_keyboard_control_w);
DECLARE_READ8_MEMBER(rtc_year_invalid_r);
DECLARE_READ8_MEMBER(rtc_month_r);
DECLARE_READ8_MEMBER(rtc_days_r);
DECLARE_READ8_MEMBER(rtc_hours_r);
DECLARE_READ8_MEMBER(rtc_minutes_r);
DECLARE_READ8_MEMBER(rtc_seconds_r);
DECLARE_READ8_MEMBER(rtc_256ths_seconds_r);
DECLARE_WRITE8_MEMBER(rtc_control_w);
DECLARE_WRITE8_MEMBER(rtc_seconds_w);
DECLARE_WRITE8_MEMBER(rtc_minutes_w);
DECLARE_WRITE8_MEMBER(rtc_hours_w);
DECLARE_WRITE8_MEMBER(rtc_days_w);
DECLARE_WRITE8_MEMBER(rtc_month_w);
DECLARE_WRITE8_MEMBER(rtc_year_w);
DECLARE_READ8_MEMBER(pcw16_system_status_r);
DECLARE_READ8_MEMBER(pcw16_timer_interrupt_counter_r);
DECLARE_WRITE8_MEMBER(pcw16_system_control_w);
DECLARE_READ8_MEMBER(pcw16_mem_r);
DECLARE_WRITE8_MEMBER(pcw16_mem_w);
void pcw16_keyboard_init();
void pcw16_keyboard_refresh_outputs();
void pcw16_keyboard_set_clock_state(int state);
void pcw16_keyboard_int(int state);
void pcw16_keyboard_reset();
int pcw16_keyboard_can_transmit();
void pcw16_keyboard_signal_byte_received(int data);
void pcw16_refresh_ints();
void rtc_setup_max_days();
UINT8 pcw16_read_mem(UINT8 bank, UINT16 offset);
void pcw16_write_mem(UINT8 bank, UINT16 offset, UINT8 data);
UINT8 read_bank_data(UINT8 type, UINT16 offset);
void write_bank_data(UINT8 type, UINT16 offset, UINT8 data);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(pcw16);
UINT32 screen_update_pcw16(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(pcw16_timer_callback);
TIMER_DEVICE_CALLBACK_MEMBER(rtc_timer_callback);
DECLARE_WRITE_LINE_MEMBER(pcw16_com_interrupt_1);
DECLARE_WRITE_LINE_MEMBER(pcw16_com_interrupt_2);
DECLARE_WRITE_LINE_MEMBER(pcw16_keyboard_callback);
void trigger_fdc_int();
DECLARE_WRITE_LINE_MEMBER( fdc_interrupt );
DECLARE_FLOPPY_FORMATS( floppy_formats );
inline void pcw16_plot_pixel(bitmap_ind16 &bitmap, int x, int y, UINT32 color);
void pcw16_vh_decode_mode0(bitmap_ind16 &bitmap, int x, int y, unsigned char byte);
void pcw16_vh_decode_mode1(bitmap_ind16 &bitmap, int x, int y, unsigned char byte);
void pcw16_vh_decode_mode2(bitmap_ind16 &bitmap, int x, int y, unsigned char byte);
};
#endif /* PCW16_H_ */