// license:BSD-3-Clause
// copyright-holders:Alex Pasadyn, Zsolt Vasvari, Ernesto Corvi, Aaron Giles
// thanks-to:Kurt Mahan
/*************************************************************************
Williams/Midway Y/Z-unit system
**************************************************************************/
#include "machine/gen_latch.h"
#include "cpu/tms34010/tms34010.h"
#include "audio/williams.h"
#include "machine/gen_latch.h"
#include "machine/nvram.h"
#include "sound/okim6295.h"
/* protection data types */
struct protection_data
{
UINT16 reset_sequence[3];
UINT16 data_sequence[100];
};
struct dma_state_t
{
UINT32 offset; /* source offset, in bits */
INT32 rowbytes; /* source bytes to skip each row */
INT32 xpos; /* x position, clipped */
INT32 ypos; /* y position, clipped */
INT32 width; /* horizontal pixel count */
INT32 height; /* vertical pixel count */
UINT16 palette; /* palette base */
UINT16 color; /* current foreground color with palette */
};
class midyunit_state : public driver_device
{
public:
enum
{
TIMER_DMA,
TIMER_AUTOERASE_LINE
};
midyunit_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_oki(*this, "oki"),
m_palette(*this, "palette"),
m_narc_sound(*this, "narcsnd"),
m_cvsd_sound(*this, "cvsd"),
m_adpcm_sound(*this, "adpcm"),
m_soundlatch(*this, "soundlatch"),
m_generic_paletteram_16(*this, "paletteram"),
m_gfx_rom(*this, "gfx_rom", 16),
m_mainram(*this, "mainram"),
m_ports(*this, ports) { }
required_device<cpu_device> m_maincpu;
optional_device<cpu_device> m_audiocpu;
optional_device<okim6295_device> m_oki;
required_device<palette_device> m_palette;
optional_device<williams_narc_sound_device> m_narc_sound;
optional_device<williams_cvsd_sound_device> m_cvsd_sound;
optional_device<williams_adpcm_sound_device> m_adpcm_sound;
optional_device<generic_latch_8_device> m_soundlatch;
required_shared_ptr<UINT16> m_generic_paletteram_16;
optional_shared_ptr<UINT8> m_gfx_rom;
required_shared_ptr<UINT16> m_mainram;
optional_ioport_array<6> m_ports;
DECLARE_IOPORT_ARRAY(ports);
std::unique_ptr<UINT16[]> m_cmos_ram;
UINT32 m_cmos_page;
UINT16 m_prot_result;
UINT16 m_prot_sequence[3];
UINT8 m_prot_index;
UINT8 m_term2_analog_select;
const struct protection_data *m_prot_data;
UINT8 m_cmos_w_enable;
UINT8 m_chip_type;
UINT16 *m_t2_hack_mem;
UINT8 *m_cvsd_protection_base;
UINT8 m_autoerase_enable;
UINT32 m_palette_mask;
std::unique_ptr<pen_t[]> m_pen_map;
std::unique_ptr<UINT16[]> m_local_videoram;
UINT8 m_videobank_select;
UINT8 m_yawdim_dma;
UINT16 m_dma_register[16];
dma_state_t m_dma_state;
DECLARE_WRITE16_MEMBER(midyunit_cmos_w);
DECLARE_READ16_MEMBER(midyunit_cmos_r);
DECLARE_WRITE16_MEMBER(midyunit_cmos_enable_w);
DECLARE_READ16_MEMBER(midyunit_protection_r);
DECLARE_READ16_MEMBER(midyunit_input_r);
DECLARE_WRITE16_MEMBER(midyunit_sound_w);
DECLARE_READ16_MEMBER(term2_input_r);
DECLARE_WRITE16_MEMBER(term2_sound_w);
DECLARE_WRITE16_MEMBER(term2_hack_w);
DECLARE_WRITE16_MEMBER(term2la3_hack_w);
DECLARE_WRITE16_MEMBER(term2la2_hack_w);
DECLARE_WRITE16_MEMBER(term2la1_hack_w);
DECLARE_WRITE8_MEMBER(cvsd_protection_w);
DECLARE_READ16_MEMBER(mkturbo_prot_r);
DECLARE_READ16_MEMBER(midyunit_gfxrom_r);
DECLARE_WRITE16_MEMBER(midyunit_vram_w);
DECLARE_READ16_MEMBER(midyunit_vram_r);
DECLARE_WRITE16_MEMBER(midyunit_control_w);
DECLARE_WRITE16_MEMBER(midyunit_paletteram_w);
DECLARE_READ16_MEMBER(midyunit_dma_r);
DECLARE_WRITE16_MEMBER(midyunit_dma_w);
DECLARE_CUSTOM_INPUT_MEMBER(narc_talkback_strobe_r);
DECLARE_CUSTOM_INPUT_MEMBER(narc_talkback_data_r);
DECLARE_CUSTOM_INPUT_MEMBER(adpcm_irq_state_r);
DECLARE_WRITE8_MEMBER(yawdim_oki_bank_w);
TMS340X0_TO_SHIFTREG_CB_MEMBER(to_shiftreg);
TMS340X0_FROM_SHIFTREG_CB_MEMBER(from_shiftreg);
TMS340X0_SCANLINE_IND16_CB_MEMBER(scanline_update);
DECLARE_DRIVER_INIT(smashtv);
DECLARE_DRIVER_INIT(strkforc);
DECLARE_DRIVER_INIT(narc);
DECLARE_DRIVER_INIT(term2);
DECLARE_DRIVER_INIT(term2la1);
DECLARE_DRIVER_INIT(term2la3);
DECLARE_DRIVER_INIT(mkyunit);
DECLARE_DRIVER_INIT(trog);
DECLARE_DRIVER_INIT(totcarn);
DECLARE_DRIVER_INIT(mkyawdim);
DECLARE_DRIVER_INIT(shimpact);
DECLARE_DRIVER_INIT(hiimpact);
DECLARE_DRIVER_INIT(mkyturbo);
DECLARE_DRIVER_INIT(term2la2);
DECLARE_MACHINE_RESET(midyunit);
DECLARE_VIDEO_START(midzunit);
DECLARE_VIDEO_START(midyunit_4bit);
DECLARE_VIDEO_START(midyunit_6bit);
DECLARE_VIDEO_START(mkyawdim);
DECLARE_VIDEO_START(common);
TIMER_CALLBACK_MEMBER(dma_callback);
TIMER_CALLBACK_MEMBER(autoerase_line);
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
void dma_draw(UINT16 command);
void init_generic(int bpp, int sound, int prot_start, int prot_end);
void term2_init_common(write16_delegate hack_w);
};