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-rw-r--r--src/mame/includes/vip.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/src/mame/includes/vip.h b/src/mame/includes/vip.h
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+++ b/src/mame/includes/vip.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+#pragma once
+
+#ifndef __VIP__
+#define __VIP__
+
+#include "emu.h"
+#include "bus/vip/byteio.h"
+#include "bus/vip/exp.h"
+#include "cpu/cosmac/cosmac.h"
+#include "imagedev/cassette.h"
+#include "imagedev/snapquik.h"
+#include "machine/ram.h"
+#include "sound/discrete.h"
+#include "video/cdp1861.h"
+
+#define SCREEN_TAG "screen"
+#define CDP1802_TAG "u1"
+#define CDP1861_TAG "u2"
+#define DISCRETE_TAG "discrete"
+
+
+class vip_state : public driver_device
+{
+public:
+ vip_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, CDP1802_TAG),
+ m_vdc(*this, CDP1861_TAG),
+ m_cassette(*this, "cassette"),
+ m_beeper(*this, DISCRETE_TAG),
+ m_byteio(*this, VIP_BYTEIO_PORT_TAG),
+ m_exp(*this, VIP_EXPANSION_SLOT_TAG),
+ m_ram(*this, RAM_TAG),
+ m_rom(*this, CDP1802_TAG),
+ m_chip8(*this, "chip8"),
+ m_chip8x(*this, "chip8x"),
+ m_run(*this, "RUN"),
+ m_keypad(*this, "KEYPAD"),
+ m_io_beeper(*this, "BEEPER"),
+ m_8000(1),
+ m_vdc_int(CLEAR_LINE),
+ m_vdc_dma_out(CLEAR_LINE),
+ m_vdc_ef1(CLEAR_LINE),
+ m_exp_int(CLEAR_LINE),
+ m_exp_dma_out(CLEAR_LINE),
+ m_exp_dma_in(CLEAR_LINE),
+ m_byteio_ef3(CLEAR_LINE),
+ m_byteio_ef4(CLEAR_LINE),
+ m_exp_ef1(CLEAR_LINE),
+ m_exp_ef3(CLEAR_LINE),
+ m_exp_ef4(CLEAR_LINE)
+ { }
+
+ required_device<cosmac_device> m_maincpu;
+ required_device<cdp1861_device> m_vdc;
+ required_device<cassette_image_device> m_cassette;
+ required_device<discrete_sound_device> m_beeper;
+ required_device<vip_byteio_port_device> m_byteio;
+ required_device<vip_expansion_slot_device> m_exp;
+ required_device<ram_device> m_ram;
+ required_memory_region m_rom;
+ required_memory_region m_chip8;
+ required_memory_region m_chip8x;
+ required_ioport m_run;
+ required_ioport m_keypad;
+ required_ioport m_io_beeper;
+
+ virtual void machine_start();
+ virtual void machine_reset();
+
+ UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+ void update_interrupts();
+
+ DECLARE_READ8_MEMBER( read );
+ DECLARE_WRITE8_MEMBER( write );
+ DECLARE_READ8_MEMBER( io_r );
+ DECLARE_WRITE8_MEMBER( io_w );
+
+ DECLARE_READ_LINE_MEMBER( clear_r );
+ DECLARE_READ_LINE_MEMBER( ef1_r );
+ DECLARE_READ_LINE_MEMBER( ef2_r );
+ DECLARE_READ_LINE_MEMBER( ef3_r );
+ DECLARE_READ_LINE_MEMBER( ef4_r );
+ DECLARE_WRITE_LINE_MEMBER( q_w );
+ DECLARE_READ8_MEMBER( dma_r );
+ DECLARE_WRITE8_MEMBER( dma_w );
+ DECLARE_WRITE8_MEMBER( sc_w );
+
+ DECLARE_WRITE_LINE_MEMBER( vdc_int_w );
+ DECLARE_WRITE_LINE_MEMBER( vdc_dma_out_w );
+ DECLARE_WRITE_LINE_MEMBER( vdc_ef1_w );
+
+ DECLARE_WRITE_LINE_MEMBER( byteio_inst_w );
+
+ DECLARE_WRITE_LINE_MEMBER( exp_int_w );
+ DECLARE_WRITE_LINE_MEMBER( exp_dma_out_w );
+ DECLARE_WRITE_LINE_MEMBER( exp_dma_in_w );
+
+ DECLARE_INPUT_CHANGED_MEMBER( reset_w );
+ DECLARE_INPUT_CHANGED_MEMBER( beeper_w );
+
+ DECLARE_QUICKLOAD_LOAD_MEMBER( vip );
+ // memory state
+ int m_8000;
+
+ // interrupt state
+ int m_vdc_int;
+ int m_vdc_dma_out;
+ int m_vdc_ef1;
+ int m_exp_int;
+ int m_exp_dma_out;
+ int m_exp_dma_in;
+ int m_byteio_ef3;
+ int m_byteio_ef4;
+ int m_exp_ef1;
+ int m_exp_ef3;
+ int m_exp_ef4;
+
+ // keyboard state
+ int m_keylatch;
+
+ // expansion state
+ UINT8 m_byteio_data;
+};
+
+#endif