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/*****************************************************************************
*
* includes/channelf.h
*
****************************************************************************/
#ifndef CHANNELF_H_
#define CHANNELF_H_
#include "emu.h"
#include "cpu/f8/f8.h"
#include "imagedev/cartslot.h"
/* SKR - 2102 RAM chip on carts 10 and 18 I/O ports */
struct r2102_t
{
UINT8 d; /* data bit:inverted logic, but reading/writing cancel out */
UINT8 r_w; /* inverted logic: 0 means read, 1 means write */
UINT8 a[10]; /* addr bits: inverted logic, but reading/writing cancel out */
UINT16 addr; /* calculated addr from addr bits */
UINT8 ram[1024]; /* RAM array */
};
class channelf_state : public driver_device
{
public:
channelf_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
DECLARE_READ8_MEMBER(channelf_port_0_r);
DECLARE_READ8_MEMBER(channelf_port_1_r);
DECLARE_READ8_MEMBER(channelf_port_4_r);
DECLARE_READ8_MEMBER(channelf_port_5_r);
DECLARE_READ8_MEMBER(channelf_2102A_r);
DECLARE_READ8_MEMBER(channelf_2102B_r);
DECLARE_WRITE8_MEMBER(channelf_port_0_w);
DECLARE_WRITE8_MEMBER(channelf_port_1_w);
DECLARE_WRITE8_MEMBER(channelf_port_4_w);
DECLARE_WRITE8_MEMBER(channelf_port_5_w);
DECLARE_WRITE8_MEMBER(channelf_2102A_w);
DECLARE_WRITE8_MEMBER(channelf_2102B_w);
UINT8 *m_p_videoram;
UINT8 m_latch[6];
r2102_t m_r2102;
UINT8 m_val_reg;
UINT8 m_row_reg;
UINT8 m_col_reg;
UINT8 port_read_with_latch(UINT8 ext, UINT8 latch_state);
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_channelf(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( channelf_cart );
};
/*----------- defined in video/channelf.c -----------*/
/*----------- defined in audio/channelf.c -----------*/
class channelf_sound_device : public device_t,
public device_sound_interface
{
public:
channelf_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~channelf_sound_device() { global_free(m_token); }
// access to legacy token
void *token() const { assert(m_token != NULL); return m_token; }
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
private:
// internal state
void *m_token;
};
extern const device_type CHANNELF;
void channelf_sound_w(device_t *device, int mode);
#endif /* CHANNELF_H_ */
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