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diff --git a/src/mame/includes/wangpc.h b/src/mame/includes/wangpc.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+#pragma once
+
+#ifndef __WANGPC__
+#define __WANGPC__
+
+#include "emu.h"
+#include "bus/wangpc/wangpc.h"
+#include "cpu/i86/i86.h"
+#include "formats/pc_dsk.h"
+#include "machine/am9517a.h"
+#include "bus/centronics/ctronics.h"
+#include "machine/i8255.h"
+#include "machine/im6402.h"
+#include "machine/mc2661.h"
+#include "machine/pit8253.h"
+#include "machine/pic8259.h"
+#include "machine/ram.h"
+#include "machine/upd765.h"
+#include "machine/wangpckb.h"
+
+#define I8086_TAG "i8086"
+#define AM9517A_TAG "am9517a"
+#define I8259A_TAG "i8259"
+#define I8255A_TAG "i8255a"
+#define I8253_TAG "i8253"
+#define IM6402_TAG "im6402"
+#define SCN2661_TAG "scn2661"
+#define UPD765_TAG "upd765"
+#define CENTRONICS_TAG "centronics"
+#define RS232_TAG "rs232"
+#define WANGPC_KEYBOARD_TAG "wangpckb"
+
+class wangpc_state : public driver_device
+{
+public:
+ // constructor
+ wangpc_state(const machine_config &mconfig, device_type type, const char *tag) :
+ driver_device(mconfig, type, tag),
+ m_maincpu(*this, I8086_TAG),
+ m_dmac(*this, AM9517A_TAG),
+ m_pic(*this, I8259A_TAG),
+ m_ppi(*this, I8255A_TAG),
+ m_pit(*this, I8253_TAG),
+ m_uart(*this, IM6402_TAG),
+ m_epci(*this, SCN2661_TAG),
+ m_fdc(*this, UPD765_TAG),
+ m_ram(*this, RAM_TAG),
+ m_floppy0(*this, UPD765_TAG ":0:525dd"),
+ m_floppy1(*this, UPD765_TAG ":1:525dd"),
+ m_centronics(*this, CENTRONICS_TAG),
+ m_cent_data_in(*this, "cent_data_in"),
+ m_cent_data_out(*this, "cent_data_out"),
+ m_bus(*this, WANGPC_BUS_TAG),
+ m_sw(*this, "SW"),
+ m_timer2_irq(1),
+ m_centronics_ack(1),
+ m_dav(1),
+ m_dma_eop(1),
+ m_uart_dr(0),
+ m_uart_tbre(0),
+ m_fpu_irq(0),
+ m_bus_irq2(0),
+ m_enable_eop(0),
+ m_disable_dreq2(0),
+ m_fdc_drq(0),
+ m_fdc_dd0(0),
+ m_fdc_dd1(0),
+ m_fdc_tc(0),
+ m_ds1(false),
+ m_ds2(false)
+ {
+ }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<am9517a_device> m_dmac;
+ required_device<pic8259_device> m_pic;
+ required_device<i8255_device> m_ppi;
+ required_device<pit8253_device> m_pit;
+ required_device<im6402_device> m_uart;
+ required_device<mc2661_device> m_epci;
+ required_device<upd765a_device> m_fdc;
+ required_device<ram_device> m_ram;
+ required_device<floppy_image_device> m_floppy0;
+ required_device<floppy_image_device> m_floppy1;
+ required_device<centronics_device> m_centronics;
+ required_device<input_buffer_device> m_cent_data_in;
+ required_device<output_latch_device> m_cent_data_out;
+ required_device<wangpcbus_device> m_bus;
+ required_ioport m_sw;
+
+ virtual void machine_start();
+ virtual void machine_reset();
+
+ void select_drive();
+ void check_level1_interrupts();
+ void check_level2_interrupts();
+ void update_fdc_drq();
+ void update_fdc_tc();
+
+ DECLARE_WRITE8_MEMBER( fdc_ctrl_w );
+ DECLARE_READ8_MEMBER( deselect_drive1_r );
+ DECLARE_WRITE8_MEMBER( deselect_drive1_w );
+ DECLARE_READ8_MEMBER( select_drive1_r );
+ DECLARE_WRITE8_MEMBER( select_drive1_w );
+ DECLARE_READ8_MEMBER( deselect_drive2_r );
+ DECLARE_WRITE8_MEMBER( deselect_drive2_w );
+ DECLARE_READ8_MEMBER( select_drive2_r );
+ DECLARE_WRITE8_MEMBER( select_drive2_w );
+ DECLARE_READ8_MEMBER( motor1_off_r );
+ DECLARE_WRITE8_MEMBER( motor1_off_w );
+ DECLARE_READ8_MEMBER( motor1_on_r );
+ DECLARE_WRITE8_MEMBER( motor1_on_w );
+ DECLARE_READ8_MEMBER( motor2_off_r );
+ DECLARE_WRITE8_MEMBER( motor2_off_w );
+ DECLARE_READ8_MEMBER( motor2_on_r );
+ DECLARE_WRITE8_MEMBER( motor2_on_w );
+ DECLARE_READ8_MEMBER( fdc_reset_r );
+ DECLARE_WRITE8_MEMBER( fdc_reset_w );
+ DECLARE_READ8_MEMBER( fdc_tc_r );
+ DECLARE_WRITE8_MEMBER( fdc_tc_w );
+ DECLARE_WRITE8_MEMBER( dma_page_w );
+ DECLARE_READ8_MEMBER( status_r );
+ DECLARE_WRITE8_MEMBER( timer0_irq_clr_w );
+ DECLARE_READ8_MEMBER( timer2_irq_clr_r );
+ DECLARE_WRITE8_MEMBER( nmi_mask_w );
+ DECLARE_READ8_MEMBER( led_on_r );
+ DECLARE_WRITE8_MEMBER( fpu_mask_w );
+ DECLARE_READ8_MEMBER( dma_eop_clr_r );
+ DECLARE_WRITE8_MEMBER( uart_tbre_clr_w );
+ DECLARE_READ8_MEMBER( uart_r );
+ DECLARE_WRITE8_MEMBER( uart_w );
+ DECLARE_READ8_MEMBER( centronics_r );
+ DECLARE_WRITE8_MEMBER( centronics_w );
+ DECLARE_READ8_MEMBER( busy_clr_r );
+ DECLARE_WRITE8_MEMBER( acknlg_clr_w );
+ DECLARE_READ8_MEMBER( led_off_r );
+ DECLARE_WRITE8_MEMBER( parity_nmi_clr_w );
+ DECLARE_READ8_MEMBER( option_id_r );
+
+ DECLARE_WRITE_LINE_MEMBER( hrq_w );
+ DECLARE_WRITE_LINE_MEMBER( eop_w );
+ DECLARE_READ8_MEMBER( memr_r );
+ DECLARE_WRITE8_MEMBER( memw_w );
+ DECLARE_READ8_MEMBER( ior2_r );
+ DECLARE_WRITE8_MEMBER( iow2_w );
+ DECLARE_WRITE_LINE_MEMBER( dack0_w );
+ DECLARE_WRITE_LINE_MEMBER( dack1_w );
+ DECLARE_WRITE_LINE_MEMBER( dack2_w );
+ DECLARE_WRITE_LINE_MEMBER( dack3_w );
+ DECLARE_READ8_MEMBER( ppi_pa_r );
+ DECLARE_READ8_MEMBER( ppi_pb_r );
+ DECLARE_READ8_MEMBER( ppi_pc_r );
+ DECLARE_WRITE8_MEMBER( ppi_pc_w );
+ DECLARE_WRITE_LINE_MEMBER( pit0_w );
+ DECLARE_WRITE_LINE_MEMBER( pit2_w );
+ DECLARE_WRITE_LINE_MEMBER( uart_dr_w );
+ DECLARE_WRITE_LINE_MEMBER( uart_tbre_w );
+ DECLARE_WRITE_LINE_MEMBER( epci_irq_w );
+ DECLARE_WRITE_LINE_MEMBER( write_centronics_ack );
+ DECLARE_WRITE_LINE_MEMBER( write_centronics_busy );
+ DECLARE_WRITE_LINE_MEMBER( write_centronics_fault );
+ DECLARE_WRITE_LINE_MEMBER( write_centronics_perror );
+ DECLARE_WRITE_LINE_MEMBER( bus_irq2_w );
+
+ DECLARE_FLOPPY_FORMATS( floppy_formats );
+
+ DECLARE_WRITE_LINE_MEMBER( fdc_irq );
+ DECLARE_WRITE_LINE_MEMBER( fdc_drq );
+
+ int on_disk0_load(floppy_image_device *image);
+ void on_disk0_unload(floppy_image_device *image);
+ int on_disk1_load(floppy_image_device *image);
+ void on_disk1_unload(floppy_image_device *image);
+
+ UINT8 m_dma_page[4];
+ int m_dack;
+
+ int m_timer2_irq;
+ int m_centronics_ack;
+ int m_centronics_busy;
+ int m_centronics_fault;
+ int m_centronics_perror;
+ int m_dav;
+ int m_dma_eop;
+ int m_uart_dr;
+ int m_uart_tbre;
+ int m_fpu_irq;
+ int m_bus_irq2;
+
+ int m_enable_eop;
+ int m_disable_dreq2;
+ int m_fdc_drq;
+ int m_fdc_dd0;
+ int m_fdc_dd1;
+ int m_fdc_tc;
+ int m_ds1;
+ int m_ds2;
+
+ int m_led[6];
+};
+
+
+#endif