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r24571 Tuesday 30th July, 2013 at 10:33:58 UTC by Robbbert
(MESS) Applix :  Cleanup
[src/mess/drivers]applix.c

trunk/src/mess/drivers/applix.c
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5353public:
5454   applix_state(const machine_config &mconfig, device_type type, const char *tag)
5555      : driver_device(mconfig, type, tag),
56      m_base(*this, "base"),
5657      m_maincpu(*this, "maincpu"),
5758      m_crtc(*this, "crtc"),
5859      m_via(*this, "via6522"),
5960      m_centronics(*this, "centronics"),
60      m_fdc(*this, "wd1772"),
61      m_floppy0(*this, "wd1772:0"),
62      m_floppy1(*this, "wd1772:1"),
61      m_fdc(*this, "fdc"),
62      m_floppy0(*this, "fdc:0"),
63      m_floppy1(*this, "fdc:1"),
6364      m_dacl(*this, "dacl"),
6465      m_dacr(*this, "dacr"),
6566      m_cass(*this, "cassette"),
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8788      m_io_k3a0(*this, "K3a_0"),
8889      m_io_k3b0(*this, "K3b_0"),
8990      m_io_k0b(*this, "K0b"),
90      m_base(*this, "base"),
9191      m_expansion(*this, "expansion"){ }
9292
9393   DECLARE_READ16_MEMBER(applix_inputs_r);
94   DECLARE_WRITE16_MEMBER(applix_index_w);
95   DECLARE_WRITE16_MEMBER(applix_register_w);
9694   DECLARE_WRITE16_MEMBER(palette_w);
9795   DECLARE_WRITE16_MEMBER(analog_latch_w);
9896   DECLARE_WRITE16_MEMBER(dac_latch_w);
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136134   virtual void video_start();
137135   virtual void palette_init();
138136   UINT8 m_palette_latch[4];
137   required_shared_ptr<UINT16> m_base;
138private:
139   UINT8 m_pb;
140   UINT8 m_analog_latch;
141   UINT8 m_dac_latch;
142   UINT8 m_port08;
143   UINT8 m_data_to_fdc;
144   UINT8 m_data_from_fdc;
145   bool m_data;
146   bool m_data_or_cmd;
147   bool m_buffer_empty;
148   bool m_fdc_cmd;
149   UINT8 m_clock_count;
150   bool m_cp;
151   UINT8   m_p1;
152   UINT8   m_p1_data;
153   UINT8   m_p2;
154   UINT8   m_p3;
155   UINT16  m_last_write_addr;
156   UINT8 m_cass_data[4];
139157   required_device<cpu_device> m_maincpu;
140158   required_device<mc6845_device> m_crtc;
141159   required_device<via6522_device> m_via;
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170188   required_ioport m_io_k3a0;
171189   required_ioport m_io_k3b0;
172190   required_ioport m_io_k0b;
173   required_shared_ptr<UINT16> m_base;
174191   required_shared_ptr<UINT16> m_expansion;
175private:
176   void fdc_intrq_w(bool state);
177   void fdc_drq_w(bool state);
178   UINT8 m_pb;
179   UINT8 m_analog_latch;
180   UINT8 m_dac_latch;
181   UINT8 m_port08;
182   UINT8 m_data_to_fdc;
183   UINT8 m_data_from_fdc;
184   bool m_data;
185   bool m_data_or_cmd;
186   bool m_buffer_empty;
187   bool m_fdc_cmd;
188   UINT8 m_clock_count;
189   bool m_cp;
190   UINT8   m_p1;
191   UINT8   m_p1_data;
192   UINT8   m_p2;
193   UINT8   m_p3;
194   UINT16  m_last_write_addr;
195   UINT8 m_cass_data[4];
196192};
197193
198194/*
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241237      m_video_latch = data;
242238}
243239
244WRITE16_MEMBER( applix_state::applix_index_w )
245{
246   data >>= 8;
247   m_crtc->address_w( space, offset, data );
248}
249
250WRITE16_MEMBER( applix_state::applix_register_w )
251{
252   data >>= 8;
253   m_crtc->register_w( space, offset, data );
254}
255
256240/*
257241d0   = dac output + external signal = analog input
258242d1   = cassette in
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459443   //AM_RANGE(0x700000, 0x700007) z80-scc (ch b control, ch b data, ch a control, ch a data) on even addresses
460444   AM_RANGE(0x700080, 0x7000ff) AM_READ(applix_inputs_r)
461445   AM_RANGE(0x700100, 0x70011f) AM_MIRROR(0x60) AM_DEVREADWRITE8("via6522", via6522_device, read, write, 0xff00)
462   AM_RANGE(0x700180, 0x700181) AM_MIRROR(0x7c) AM_WRITE(applix_index_w)
463   AM_RANGE(0x700182, 0x700183) AM_MIRROR(0x7c) AM_WRITE(applix_register_w)
446   AM_RANGE(0x700180, 0x700181) AM_MIRROR(0x7c) AM_DEVREADWRITE8("crtc", mc6845_device, status_r, address_w, 0xff00)
447   AM_RANGE(0x700182, 0x700183) AM_MIRROR(0x7c) AM_DEVREADWRITE8("crtc", mc6845_device, register_r, register_w, 0xff00)
464448   AM_RANGE(0xffffc0, 0xffffc1) AM_READWRITE(fdc_data_r,fdc_data_w)
465449   //AM_RANGE(0xffffc2, 0xffffc3) AM_READWRITE(fdc_int_r,fdc_int_w) // optional
466450   AM_RANGE(0xffffc8, 0xffffcd) AM_READ(fdc_stat_r)
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484468   AM_RANGE(0x10, 0x17) AM_READWRITE(port10_r,port10_w) //IRQ
485469   AM_RANGE(0x18, 0x1f) AM_READWRITE(port18_r,port18_w) //data&command
486470   AM_RANGE(0x20, 0x27) AM_MIRROR(0x18) AM_READWRITE(port20_r,port20_w) //SCSI NCR5380
487   AM_RANGE(0x40, 0x43) AM_MIRROR(0x1c) AM_DEVREADWRITE("wd1772", wd1772_t, read, write) //FDC
471   AM_RANGE(0x40, 0x43) AM_MIRROR(0x1c) AM_DEVREADWRITE("fdc", wd1772_t, read, write) //FDC
488472   AM_RANGE(0x60, 0x63) AM_MIRROR(0x1c) AM_READWRITE(port60_r,port60_w) //anotherZ80SCC
489473ADDRESS_MAP_END
490474
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795779
796780   for (x = 0; x < x_count; x++)
797781   {
782      mem = vidbase + ma + x + (ra<<12);
783      chr = state->m_base[mem];
784
798785      if (BIT(state->m_pa, 3))
799786      // 640 x 200 x 4of16 mode
800787      {
801         mem = vidbase + ma + x + (ra<<12);
802         chr = state->m_base[mem];
803788         for (i = 0; i < 8; i++)
804789         {
805790            *p++ = palette[state->m_palette_latch[chr>>14]];
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809794      else
810795      // 320 x 200 x 16 mode
811796      {
812         mem = vidbase + ma + x + (ra<<12);
813         chr = state->m_base[mem];
814797         for (i = 0; i < 4; i++)
815798         {
816799            *p++ = palette[chr>>12];
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924907   MCFG_VIA6522_ADD("via6522", 0, applix_via)
925908   MCFG_CENTRONICS_PRINTER_ADD("centronics", applix_centronics_config)
926909   MCFG_CASSETTE_ADD("cassette", applix_cassette_interface)
927   MCFG_WD1772x_ADD("wd1772", XTAL_16MHz / 2) //connected to Z80H clock pin
928   MCFG_FLOPPY_DRIVE_ADD("wd1772:0", applix_floppies, "35dd", applix_state::floppy_formats)
929   MCFG_FLOPPY_DRIVE_ADD("wd1772:1", applix_floppies, "35dd", applix_state::floppy_formats)
910   MCFG_WD1772x_ADD("fdc", XTAL_16MHz / 2) //connected to Z80H clock pin
911   MCFG_FLOPPY_DRIVE_ADD("fdc:0", applix_floppies, "35dd", applix_state::floppy_formats)
912   MCFG_FLOPPY_DRIVE_ADD("fdc:1", applix_floppies, "35dd", applix_state::floppy_formats)
930913   MCFG_TIMER_DRIVER_ADD_PERIODIC("applix_c", applix_state, cass_timer, attotime::from_hz(100000))
931914MACHINE_CONFIG_END
932915
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953936
954937DRIVER_INIT_MEMBER(applix_state, applix)
955938{
956   floppy_connector *con = machine().device<floppy_connector>("wd1772:0");
957   floppy_image_device *floppy = con ? con->get_device() : 0;
958   if (floppy)
959   {
960      m_fdc->set_floppy(floppy);
961      //m_fdc->setup_intrq_cb(wd1772_t::line_cb(FUNC(applix_state::fdc_intrq_w), this));
962      //m_fdc->setup_drq_cb(wd1772_t::line_cb(FUNC(applix_state::fdc_drq_w), this));
963
964      floppy->ss_w(0);
965   }
966
967939   UINT8 *RAM = memregion("subcpu")->base();
968940   membank("bank1")->configure_entries(0, 2, &RAM[0x8000], 0x8000);
969941}

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