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-rw-r--r--src/mame/includes/atom.h169
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diff --git a/src/mame/includes/atom.h b/src/mame/includes/atom.h
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+// license:BSD-3-Clause
+// copyright-holders:Nathan Woods
+#pragma once
+
+#ifndef __ATOM__
+#define __ATOM__
+
+
+#include "emu.h"
+#include "cpu/m6502/m6502.h"
+#include "imagedev/cassette.h"
+#include "imagedev/flopdrv.h"
+#include "machine/ram.h"
+#include "imagedev/snapquik.h"
+#include "formats/atom_tap.h"
+#include "formats/atom_dsk.h"
+#include "formats/uef_cas.h"
+#include "bus/centronics/ctronics.h"
+#include "machine/6522via.h"
+#include "machine/i8255.h"
+#include "machine/i8271.h"
+#include "sound/speaker.h"
+#include "video/mc6847.h"
+#include "bus/generic/slot.h"
+#include "bus/generic/carts.h"
+
+#define SY6502_TAG "ic22"
+#define INS8255_TAG "ic25"
+#define MC6847_TAG "ic31"
+#define R6522_TAG "ic1"
+#define I8271_TAG "ic13"
+#define MC6854_TAG "econet_ic1"
+#define SCREEN_TAG "screen"
+#define CENTRONICS_TAG "centronics"
+#define BASERAM_TAG "baseram"
+
+
+#define X1 XTAL_3_579545MHz // MC6847 Clock
+#define X2 XTAL_4MHz // CPU Clock - a divider reduces it to 1MHz
+
+class atom_state : public driver_device
+{
+public:
+ atom_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, SY6502_TAG),
+ m_vdg(*this, MC6847_TAG),
+ m_cassette(*this, "cassette"),
+ m_fdc(*this, I8271_TAG),
+ m_centronics(*this, CENTRONICS_TAG),
+ m_speaker(*this, "speaker"),
+ m_cart(*this, "cartslot"),
+ m_y0(*this, "Y0"),
+ m_y1(*this, "Y1"),
+ m_y2(*this, "Y2"),
+ m_y3(*this, "Y3"),
+ m_y4(*this, "Y4"),
+ m_y5(*this, "Y5"),
+ m_y6(*this, "Y6"),
+ m_y7(*this, "Y7"),
+ m_y8(*this, "Y8"),
+ m_y9(*this, "Y9"),
+ m_y10(*this, "Y10"),
+ m_rpt(*this, "RPT"),
+ m_video_ram(*this, "video_ram")
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<mc6847_base_device> m_vdg;
+ required_device<cassette_image_device> m_cassette;
+ optional_device<i8271_device> m_fdc;
+ required_device<centronics_device> m_centronics;
+ required_device<speaker_sound_device> m_speaker;
+ optional_device<generic_slot_device> m_cart;
+ required_ioport m_y0;
+ required_ioport m_y1;
+ required_ioport m_y2;
+ required_ioport m_y3;
+ required_ioport m_y4;
+ required_ioport m_y5;
+ required_ioport m_y6;
+ required_ioport m_y7;
+ required_ioport m_y8;
+ required_ioport m_y9;
+ required_ioport m_y10;
+ required_ioport m_rpt;
+
+ virtual void machine_start();
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+ void bankswitch();
+
+ DECLARE_WRITE8_MEMBER( ppi_pa_w );
+ DECLARE_READ8_MEMBER( ppi_pb_r );
+ DECLARE_READ8_MEMBER( ppi_pc_r );
+ DECLARE_WRITE8_MEMBER( ppi_pc_w );
+ DECLARE_READ8_MEMBER( vdg_videoram_r );
+ DECLARE_INPUT_CHANGED_MEMBER( trigger_reset );
+ DECLARE_WRITE_LINE_MEMBER( atom_8271_interrupt_callback );
+ DECLARE_WRITE_LINE_MEMBER( motor_w );
+
+ /* video state */
+ required_shared_ptr<UINT8> m_video_ram;
+
+ /* keyboard state */
+ int m_keylatch;
+
+ /* cassette state */
+ int m_hz2400;
+ int m_pc0;
+ int m_pc1;
+
+ /* devices */
+ int m_previous_i8271_int_state;
+ DECLARE_FLOPPY_FORMATS(floppy_formats);
+ TIMER_DEVICE_CALLBACK_MEMBER(cassette_output_tick);
+
+ int load_cart(device_image_interface &image, generic_slot_device *slot);
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load) { return load_cart(image, m_cart); }
+ DECLARE_QUICKLOAD_LOAD_MEMBER(atom_atm);
+};
+
+class atomeb_state : public atom_state
+{
+public:
+ atomeb_state(const machine_config &mconfig, device_type type, const char *tag)
+ : atom_state(mconfig, type, tag),
+ m_e0(*this, "rom_e0"),
+ m_e1(*this, "rom_e1")
+ {
+ }
+
+ virtual void machine_start();
+
+ DECLARE_READ8_MEMBER(eprom_r);
+ DECLARE_WRITE8_MEMBER(eprom_w);
+ DECLARE_READ8_MEMBER(ext_r);
+ DECLARE_READ8_MEMBER(dos_r);
+
+ DECLARE_DRIVER_INIT(atomeb);
+
+ /* eprom state */
+ int m_eprom;
+
+ generic_slot_device *m_ext[16];
+ required_device<generic_slot_device> m_e0;
+ required_device<generic_slot_device> m_e1;
+
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a0_load) { return load_cart(image, m_ext[0x0]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a1_load) { return load_cart(image, m_ext[0x1]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a2_load) { return load_cart(image, m_ext[0x2]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a3_load) { return load_cart(image, m_ext[0x3]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a4_load) { return load_cart(image, m_ext[0x4]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a5_load) { return load_cart(image, m_ext[0x5]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a6_load) { return load_cart(image, m_ext[0x6]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a7_load) { return load_cart(image, m_ext[0x7]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a8_load) { return load_cart(image, m_ext[0x8]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(a9_load) { return load_cart(image, m_ext[0x9]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(aa_load) { return load_cart(image, m_ext[0xa]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(ab_load) { return load_cart(image, m_ext[0xb]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(ac_load) { return load_cart(image, m_ext[0xc]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(ad_load) { return load_cart(image, m_ext[0xd]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(ae_load) { return load_cart(image, m_ext[0xe]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(af_load) { return load_cart(image, m_ext[0xf]); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(e0_load) { return load_cart(image, m_e0); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(e1_load) { return load_cart(image, m_e1); }
+};
+
+#endif