Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-06 09:00:04 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

z100: Add keyboard click/beep sound

Browse Source
This commit is contained in:
AJR 2019-05-15 13:09:09 -04:00
parent 6f5a850a14
commit b408a205bf
2 changed files with 44 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/devices/machine/74123.h
View File

@ -68,6 +68,12 @@ class ttl74123_device : public device_t
public:
// construction/destruction
ttl74123_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
ttl74123_device(const machine_config &mconfig, const char *tag, device_t *owner, double res, double cap)
: ttl74123_device(mconfig, tag, owner, 0U)
{
set_resistor_value(res);
set_capacitor_value(cap);
}
void set_connection_type(int type) { m_connection_type = type; }
void set_resistor_value(double value) { m_res = value; }
@ -83,6 +89,8 @@ public:
DECLARE_WRITE_LINE_MEMBER(clear_w);
DECLARE_WRITE_LINE_MEMBER(reset_w);
DECLARE_READ_LINE_MEMBER(q_r) { return timer_running(); }
protected:
// device-level overrides
virtual void device_start() override;

39
src/mame/drivers/z100.cpp
View File

@ -151,15 +151,19 @@ ZDIPSW EQU 0FFH ; Configuration dip switches
//#include "bus/rs232/rs232.h"
//#include "bus/s100/s100.h"
#include "imagedev/floppy.h"
#include "machine/74123.h"
#include "machine/6821pia.h"
#include "machine/input_merger.h"
#include "machine/mc2661.h"
#include "machine/pit8253.h"
#include "machine/pic8259.h"
#include "machine/rescap.h"
#include "machine/wd_fdc.h"
#include "sound/beep.h"
#include "video/mc6845.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
class z100_state : public driver_device
{
@ -173,6 +177,9 @@ public:
m_fdc(*this, "z207_fdc"),
m_floppies(*this, "z207_fdc:%u", 0U),
m_epci(*this, "epci%u", 0U),
m_keyclick(*this, "keyclick"),
m_keybeep(*this, "keybeep"),
m_beeper(*this, "beeper"),
m_crtc(*this, "crtc"),
m_palette(*this, "palette"),
m_vrmm(*this, "vrmm"),
@ -198,6 +205,7 @@ private:
void kbd_col_w(uint8_t data);
uint8_t kbd_rows_r();
DECLARE_READ_LINE_MEMBER(kbd_shift_row_r);
DECLARE_WRITE_LINE_MEMBER(beep_update);
DECLARE_WRITE8_MEMBER(floppy_select_w);
DECLARE_WRITE8_MEMBER(floppy_motor_w);
uint8_t tmr_status_r();
@ -225,6 +233,9 @@ private:
required_device<fd1797_device> m_fdc;
required_device_array<floppy_connector, 4> m_floppies;
required_device_array<mc2661_device, 2> m_epci;
required_device<ttl74123_device> m_keyclick;
required_device<ttl74123_device> m_keybeep;
required_device<beep_device> m_beeper;
required_device<mc6845_device> m_crtc;
required_device<palette_device> m_palette;
required_region_ptr<uint8_t> m_vrmm;
@ -326,7 +337,8 @@ void z100_state::kbd_col_w(uint8_t data)
{
m_kbd_col = data & 0x0f;
// TODO: key click
m_keyclick->b_w(BIT(data, 7));
m_keybeep->a_w((data & 0x82) == 0);
}
uint8_t z100_state::kbd_rows_r()
@ -345,6 +357,11 @@ READ_LINE_MEMBER(z100_state::kbd_shift_row_r)
return 1;
}
WRITE_LINE_MEMBER(z100_state::beep_update)
{
m_beeper->set_state(m_keyclick->q_r() | m_keybeep->q_r());
}
// todo: side select?
WRITE8_MEMBER( z100_state::floppy_select_w )
@ -708,6 +725,22 @@ void z100_state::z100(machine_config &config)
kbdc.t0_in_cb().set_ioport("CTRL").bit(0);
kbdc.t1_in_cb().set(FUNC(z100_state::kbd_shift_row_r));
TTL74123(config, m_keyclick, RES_K(150), CAP_U(.1));
m_keyclick->set_connection_type(TTL74123_NOT_GROUNDED_NO_DIODE);
m_keyclick->set_a_pin_value(0);
m_keyclick->set_clear_pin_value(1);
m_keyclick->out_cb().set(FUNC(z100_state::beep_update));
TTL74123(config, m_keybeep, RES_K(220), CAP_U(2.2));
m_keybeep->set_connection_type(TTL74123_NOT_GROUNDED_NO_DIODE);
m_keybeep->set_b_pin_value(1);
m_keybeep->set_clear_pin_value(1);
m_keybeep->out_cb().set(FUNC(z100_state::beep_update));
SPEAKER(config, "mono").front_center();
BEEP(config, m_beeper, 1'000'000'000 / PERIOD_OF_555_ASTABLE_NSEC(RES_K(470), RES_K(470), CAP_U(.001)));
m_beeper->add_route(ALL_OUTPUTS, "mono", 0.50);
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_raw(14.112_MHz_XTAL, 912, 0, 640, 258, 0, 216);
@ -796,7 +829,7 @@ ROM_START( z100 )
ROM_REGION( 0x4000, "ipl", 0 )
ROM_LOAD( "intel-d27128-1.bin", 0x0000, 0x4000, CRC(b21f0392) SHA1(69e492891cceb143a685315efe0752981a2d8143))
ROM_REGION( 0x0400, "kbdc", ROMREGION_ERASE00 ) // 8041A keyboard controller
ROM_REGION( 0x0400, "kbdc", 0 ) // 8041A keyboard controller
ROM_LOAD( "444-109.u204", 0x0000, 0x0400, CRC(45181029) SHA1(0e89649364d25cf2d8669d2a293ee162e274cb64) )
ROM_REGION( 0x0100, "vrmm", 0 ) // Video RAM Mapping Module
@ -817,4 +850,4 @@ void z100_state::driver_init()
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS
COMP( 1982, z100, 0, 0, z100, z100, z100_state, driver_init, "Zenith Data Systems", "Z-100", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
COMP( 1982, z100, 0, 0, z100, z100, z100_state, driver_init, "Zenith Data Systems", "Z-100", MACHINE_NOT_WORKING )