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-rw-r--r--src/mess/includes/z80ne.h122
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diff --git a/src/mess/includes/z80ne.h b/src/mess/includes/z80ne.h
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+/*****************************************************************************
+ *
+ * includes/z80ne.h
+ *
+ * Nuova Elettronica Z80NE
+ *
+ * http://www.z80ne.com/
+ *
+ ****************************************************************************/
+
+#ifndef Z80NE_H_
+#define Z80NE_H_
+
+#include "video/mc6847.h"
+
+
+/***************************************************************************
+ CONSTANTS
+***************************************************************************/
+
+#define Z80NE_CPU_SPEED_HZ 1920000 /* 1.92 MHz */
+
+#define LX383_KEYS 16
+#define LX383_DOWNSAMPLING 16
+
+#define LX385_TAPE_SAMPLE_FREQ 38400
+
+/* wave duration threshold */
+typedef enum
+{
+ TAPE_300BPS = 300, /* 300 bps */
+ TAPE_600BPS = 600, /* 600 bps */
+ TAPE_1200BPS = 1200 /* 1200 bps */
+} z80netape_speed;
+
+typedef struct {
+ struct {
+ int length; /* time cassette level is at input.level */
+ int level; /* cassette level */
+ int bit; /* bit being read */
+ } input;
+ struct {
+ int length; /* time cassette level is at output.level */
+ int level; /* cassette level */
+ int bit; /* bit to to output */
+ } output;
+ z80netape_speed speed; /* 300 - 600 - 1200 */
+ int wave_filter;
+ int wave_length;
+ int wave_short;
+ int wave_long;
+} cass_data_t;
+
+typedef struct {
+ int drq;
+ int intrq;
+ UINT8 drive; /* current drive */
+ UINT8 head; /* current head */
+} wd17xx_state_t;
+
+
+class z80ne_state : public driver_device
+{
+public:
+ z80ne_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_vdg(*this, "mc6847"),
+ m_videoram(*this,"videoram") {}
+
+ optional_device<mc6847_base_device> m_vdg;
+ optional_shared_ptr<UINT8> m_videoram;
+ UINT8 m_lx383_scan_counter;
+ UINT8 m_lx383_key[LX383_KEYS];
+ int m_lx383_downsampler;
+ int m_nmi_delay_counter;
+ int m_reset_delay_counter;
+ device_t *m_ay31015;
+ UINT8 m_lx385_ctrl;
+ device_t *m_lx388_kr2376;
+ emu_timer *m_cassette_timer;
+ cass_data_t m_cass_data;
+ wd17xx_state_t m_wd17xx_state;
+ DECLARE_READ8_MEMBER(lx383_r);
+ DECLARE_WRITE8_MEMBER(lx383_w);
+ DECLARE_READ8_MEMBER(lx385_data_r);
+ DECLARE_READ8_MEMBER(lx385_ctrl_r);
+ DECLARE_WRITE8_MEMBER(lx385_data_w);
+ DECLARE_WRITE8_MEMBER(lx385_ctrl_w);
+ DECLARE_READ8_MEMBER(lx388_data_r);
+ DECLARE_READ8_MEMBER(lx388_read_field_sync);
+ DECLARE_DIRECT_UPDATE_MEMBER(z80ne_default);
+ DECLARE_DIRECT_UPDATE_MEMBER(z80ne_nmi_delay_count);
+ DECLARE_DIRECT_UPDATE_MEMBER(z80ne_reset_delay_count);
+ DECLARE_DRIVER_INIT(z80netf);
+ DECLARE_DRIVER_INIT(z80net);
+ DECLARE_DRIVER_INIT(z80netb);
+ DECLARE_DRIVER_INIT(z80ne);
+};
+
+
+/*----------- defined in machine/z80ne.c -----------*/
+
+READ8_DEVICE_HANDLER(lx388_mc6847_videoram_r);
+READ8_DEVICE_HANDLER(lx390_fdc_r);
+WRITE8_DEVICE_HANDLER(lx390_fdc_w);
+READ8_DEVICE_HANDLER(lx390_reset_bank);
+WRITE8_DEVICE_HANDLER(lx390_motor_w);
+
+
+MACHINE_RESET(z80ne);
+MACHINE_RESET(z80net);
+MACHINE_RESET(z80netb);
+MACHINE_RESET(z80netf);
+MACHINE_START(z80ne);
+MACHINE_START(z80net);
+MACHINE_START(z80netb);
+MACHINE_START(z80netf);
+
+INPUT_CHANGED(z80ne_reset);
+INPUT_CHANGED(z80ne_nmi);
+
+#endif /* Z80NE_H_ */