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#pragma once
#ifndef __V1050__
#define __V1050__
#include "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/m6502/m6502.h"
#include "machine/ctronics.h"
#include "machine/i8214.h"
#include "machine/i8251.h"
#include "machine/i8255.h"
#include "machine/msm58321.h"
#include "machine/ram.h"
#include "machine/s1410.h"
#include "machine/scsibus.h"
#include "machine/scsicb.h"
#include "machine/scsihd.h"
#include "machine/v1050kb.h"
#include "machine/wd_fdc.h"
#include "video/mc6845.h"
#define SCREEN_TAG "screen"
#define Z80_TAG "u80"
#define UPB8214_TAG "u38"
#define I8255A_DISP_TAG "u79"
#define I8255A_MISC_TAG "u10"
#define I8255A_RTC_TAG "u36"
#define I8251A_KB_TAG "u85"
#define I8251A_SIO_TAG "u8"
#define MSM58321RS_TAG "u26"
#define MB8877_TAG "u13"
#define FDC9216_TAG "u25"
#define M6502_TAG "u76"
#define I8255A_M6502_TAG "u101"
#define H46505_TAG "u75"
#define CENTRONICS_TAG "centronics"
#define TIMER_KB_TAG "timer_kb"
#define TIMER_SIO_TAG "timer_sio"
#define TIMER_ACK_TAG "timer_ack"
#define TIMER_RST_TAG "timer_rst"
#define SASIBUS_TAG "sasi"
#define V1050_VIDEORAM_SIZE 0x8000
#define V1050_VIDEORAM_MASK 0x7fff
#define INT_RS_232 0x01
#define INT_WINCHESTER 0x02
#define INT_KEYBOARD 0x04
#define INT_FLOPPY 0x08
#define INT_VSYNC 0x10
#define INT_DISPLAY 0x20
#define INT_EXPANSION_B 0x40
#define INT_EXPANSION_A 0x80
class v1050_state : public driver_device
{
public:
v1050_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, Z80_TAG),
m_subcpu(*this, M6502_TAG),
m_pic(*this, UPB8214_TAG),
m_rtc(*this, MSM58321RS_TAG),
m_uart_kb(*this, I8251A_KB_TAG),
m_uart_sio(*this, I8251A_SIO_TAG),
m_fdc(*this, MB8877_TAG),
m_crtc(*this, H46505_TAG),
m_centronics(*this, CENTRONICS_TAG),
m_ram(*this, RAM_TAG),
m_floppy0(*this, MB8877_TAG":0"),
m_floppy1(*this, MB8877_TAG":1"),
m_floppy2(*this, MB8877_TAG":2"),
m_floppy3(*this, MB8877_TAG":3"),
m_timer_sio(*this, TIMER_SIO_TAG),
m_timer_ack(*this, TIMER_ACK_TAG),
m_timer_rst(*this, TIMER_RST_TAG),
m_sasibus(*this, SASIBUS_TAG ":host"),
m_rom(*this, Z80_TAG),
m_video_ram(*this, "video_ram"),
m_attr_ram(*this, "attr_ram")
{ }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
required_device<i8214_device> m_pic;
required_device<msm58321_device> m_rtc;
required_device<i8251_device> m_uart_kb;
required_device<i8251_device> m_uart_sio;
required_device<mb8877_t> m_fdc;
required_device<mc6845_device> m_crtc;
required_device<centronics_device> m_centronics;
required_device<ram_device> m_ram;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_device<floppy_connector> m_floppy2;
required_device<floppy_connector> m_floppy3;
required_device<timer_device> m_timer_sio;
required_device<timer_device> m_timer_ack;
required_device<timer_device> m_timer_rst;
required_device<scsicb_device> m_sasibus;
required_memory_region m_rom;
required_shared_ptr<UINT8> m_video_ram;
optional_shared_ptr<UINT8> m_attr_ram;
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
DECLARE_READ8_MEMBER( kb_data_r );
DECLARE_READ8_MEMBER( kb_status_r );
DECLARE_WRITE8_MEMBER( v1050_i8214_w );
DECLARE_READ8_MEMBER( vint_clr_r );
DECLARE_WRITE8_MEMBER( vint_clr_w );
DECLARE_READ8_MEMBER( dint_clr_r );
DECLARE_WRITE8_MEMBER( dint_clr_w );
DECLARE_WRITE8_MEMBER( bank_w );
DECLARE_WRITE8_MEMBER( dint_w );
DECLARE_WRITE8_MEMBER( dvint_clr_w );
DECLARE_READ8_MEMBER( keyboard_r );
DECLARE_WRITE8_MEMBER( keyboard_w );
DECLARE_WRITE8_MEMBER( p2_w );
DECLARE_WRITE8_MEMBER( misc_ppi_pa_w );
DECLARE_WRITE8_MEMBER( misc_ppi_pc_w );
DECLARE_WRITE8_MEMBER( rtc_ppi_pb_w );
DECLARE_READ8_MEMBER( rtc_ppi_pc_r );
DECLARE_WRITE8_MEMBER( rtc_ppi_pc_w );
DECLARE_WRITE_LINE_MEMBER( kb_rxrdy_w );
DECLARE_WRITE_LINE_MEMBER( sio_rxrdy_w );
DECLARE_WRITE_LINE_MEMBER( sio_txrdy_w );
void fdc_intrq_w(bool state);
void fdc_drq_w(bool state);
DECLARE_READ8_MEMBER( attr_r );
DECLARE_WRITE8_MEMBER( attr_w );
DECLARE_READ8_MEMBER( videoram_r );
DECLARE_WRITE8_MEMBER( videoram_w );
DECLARE_WRITE_LINE_MEMBER( crtc_vs_w );
DECLARE_WRITE8_MEMBER(sasi_data_w);
DECLARE_WRITE_LINE_MEMBER(sasi_io_w);
DECLARE_READ8_MEMBER( sasi_status_r );
DECLARE_WRITE8_MEMBER( sasi_ctrl_w );
void bankswitch();
void update_fdc();
void set_interrupt(UINT8 mask, int state);
void scan_keyboard();
// interrupt state
UINT8 m_int_mask; // interrupt mask
UINT8 m_int_state; // interrupt status
int m_f_int_enb; // floppy interrupt enable
bool m_fdc_irq;
bool m_fdc_drq;
// keyboard state
UINT8 m_keylatch; // keyboard row select
UINT8 m_keydata;
int m_keyavail;
// serial state
int m_rxrdy; // receiver ready
int m_txrdy; // transmitter ready
int m_baud_sel; // baud select
// memory state
UINT8 m_bank; // bank register
// video state
UINT8 m_attr; // attribute latch
// sasi state
UINT8 data_out;
TIMER_DEVICE_CALLBACK_MEMBER(v1050_keyboard_tick);
TIMER_DEVICE_CALLBACK_MEMBER(sasi_ack_tick);
TIMER_DEVICE_CALLBACK_MEMBER(sasi_rst_tick);
TIMER_DEVICE_CALLBACK_MEMBER(kb_8251_tick);
TIMER_DEVICE_CALLBACK_MEMBER(sio_8251_tick);
DECLARE_WRITE_LINE_MEMBER(pic_int_w);
DECLARE_WRITE8_MEMBER(disp_ppi_pc_w);
DECLARE_WRITE8_MEMBER(m6502_ppi_pc_w);
DECLARE_WRITE8_MEMBER(misc_ppi_pb_w);
DECLARE_READ8_MEMBER(misc_ppi_pc_r);
IRQ_CALLBACK_MEMBER(v1050_int_ack);
};
//----------- defined in video/v1050.c -----------
MACHINE_CONFIG_EXTERN( v1050_video );
#endif
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