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#ifndef __PECOM__
#define __PECOM__
#include "cpu/cosmac/cosmac.h"
#include "imagedev/cassette.h"
#include "machine/ram.h"
#define SCREEN_TAG "screen"
#define CDP1802_TAG "cdp1802"
#define CDP1869_TAG "cdp1869"
#define PECOM_CHAR_RAM_SIZE 0x800
class pecom_state : public driver_device
{
public:
pecom_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_cdp1802(*this, CDP1802_TAG),
m_cdp1869(*this, CDP1869_TAG),
m_cassette(*this, CASSETTE_TAG),
m_ram(*this, RAM_TAG),
m_bank1(*this, "bank1"),
m_bank2(*this, "bank2"),
m_bank3(*this, "bank3"),
m_bank4(*this, "bank4"),
m_io_cnt(*this, "CNT") { }
required_device<cosmac_device> m_cdp1802;
required_device<cdp1869_device> m_cdp1869;
UINT8 *m_charram; /* character generator ROM */
int m_reset; /* CPU mode */
int m_dma; /* memory refresh DMA */
/* timers */
emu_timer *m_reset_timer; /* power on reset timer */
DECLARE_READ8_MEMBER(pecom_cdp1869_charram_r);
DECLARE_WRITE8_MEMBER(pecom_cdp1869_charram_w);
DECLARE_READ8_MEMBER(pecom_cdp1869_pageram_r);
DECLARE_WRITE8_MEMBER(pecom_cdp1869_pageram_w);
DECLARE_WRITE8_MEMBER(pecom_bank_w);
DECLARE_READ8_MEMBER(pecom_keyboard_r);
DECLARE_WRITE8_MEMBER(pecom_cdp1869_w);
virtual void machine_start();
virtual void machine_reset();
DECLARE_VIDEO_START(pecom);
DECLARE_INPUT_CHANGED_MEMBER(ef_w);
TIMER_CALLBACK_MEMBER(reset_tick);
DECLARE_READ_LINE_MEMBER(clear_r);
DECLARE_READ_LINE_MEMBER(ef2_r);
DECLARE_WRITE_LINE_MEMBER(pecom64_q_w);
DECLARE_WRITE_LINE_MEMBER(pecom_prd_w);
protected:
required_device<cassette_image_device> m_cassette;
required_device<ram_device> m_ram;
required_memory_bank m_bank1;
required_memory_bank m_bank2;
required_memory_bank m_bank3;
required_memory_bank m_bank4;
required_ioport m_io_cnt;
ioport_port *m_io_ports[26];
};
/*----------- defined in machine/pecom.c -----------*/
extern const cosmac_interface pecom64_cdp1802_config;
/* ---------- defined in video/pecom.c ---------- */
MACHINE_CONFIG_EXTERN( pecom_video );
#endif
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