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Diffstat (limited to 'src/mame/drivers/hh_melps4.cpp')
-rw-r--r--src/mame/drivers/hh_melps4.cpp122
1 files changed, 9 insertions, 113 deletions
diff --git a/src/mame/drivers/hh_melps4.cpp b/src/mame/drivers/hh_melps4.cpp
index 4849df8f5d9..6c6a89df39f 100644
--- a/src/mame/drivers/hh_melps4.cpp
+++ b/src/mame/drivers/hh_melps4.cpp
@@ -9,6 +9,7 @@
***************************************************************************/
#include "emu.h"
+#include "includes/screenless.h"
#include "cpu/melps4/m58846.h"
#include "machine/timer.h"
@@ -20,52 +21,29 @@
//#include "hh_melps4_test.lh" // common test-layout - no svg artwork(yet), use external artwork
-class hh_melps4_state : public driver_device
+class hh_melps4_state : public screenless_state
{
public:
hh_melps4_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
+ screenless_state(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_inp_matrix(*this, "IN.%u", 0),
- m_out_x(*this, "%u.%u", 0U, 0U),
- m_out_a(*this, "%u.a", 0U),
- m_out_digit(*this, "digit%u", 0U),
- m_speaker(*this, "speaker"),
- m_display_wait(33),
- m_display_maxy(1),
- m_display_maxx(0)
+ m_speaker(*this, "speaker")
{ }
// devices
required_device<m58846_device> m_maincpu;
optional_ioport_array<4> m_inp_matrix; // max 4
- output_finder<0x20, 0x20> m_out_x;
- output_finder<0x20> m_out_a;
- output_finder<0x20> m_out_digit;
optional_device<speaker_sound_device> m_speaker;
// misc common
u16 m_inp_mux; // multiplexed inputs mask
- u8 read_inputs(int columns);
- virtual DECLARE_INPUT_CHANGED_MEMBER(reset_button);
-
- // display common
- int m_display_wait; // led/lamp off-delay in milliseconds (default 33ms)
- int m_display_maxy; // display matrix number of rows
- int m_display_maxx; // display matrix number of columns (max 31 for now)
-
u32 m_grid; // VFD current row data
u32 m_plate; // VFD current column data
- u32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on)
- u16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments
- u8 m_display_decay[0x20][0x20]; // (internal use)
-
- TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick);
- void display_update();
- void set_display_size(int maxx, int maxy);
- void display_matrix(int maxx, int maxy, u32 setx, u32 sety, bool update = true);
+ u8 read_inputs(int columns);
+ virtual DECLARE_INPUT_CHANGED_MEMBER(reset_button);
protected:
virtual void machine_start() override;
@@ -77,29 +55,14 @@ protected:
void hh_melps4_state::machine_start()
{
- // resolve handlers
- m_out_x.resolve();
- m_out_a.resolve();
- m_out_digit.resolve();
+ screenless_state::machine_start();
// zerofill
- memset(m_display_state, 0, sizeof(m_display_state));
- memset(m_display_decay, 0, sizeof(m_display_decay));
- memset(m_display_segmask, 0, sizeof(m_display_segmask));
-
m_inp_mux = 0;
m_grid = 0;
m_plate = 0;
// register for savestates
- save_item(NAME(m_display_maxy));
- save_item(NAME(m_display_maxx));
- save_item(NAME(m_display_wait));
-
- save_item(NAME(m_display_state));
- save_item(NAME(m_display_decay));
- save_item(NAME(m_display_segmask));
-
save_item(NAME(m_inp_mux));
save_item(NAME(m_grid));
save_item(NAME(m_plate));
@@ -117,69 +80,6 @@ void hh_melps4_state::machine_reset()
***************************************************************************/
-// The device may strobe the outputs very fast, it is unnoticeable to the user.
-// To prevent flickering here, we need to simulate a decay.
-
-void hh_melps4_state::display_update()
-{
- for (int y = 0; y < m_display_maxy; y++)
- {
- u32 active_state = 0;
-
- for (int x = 0; x <= m_display_maxx; x++)
- {
- // turn on powered segments
- if (m_display_state[y] >> x & 1)
- m_display_decay[y][x] = m_display_wait;
-
- // determine active state
- u32 ds = (m_display_decay[y][x] != 0) ? 1 : 0;
- active_state |= (ds << x);
-
- // output to y.x, or y.a when always-on
- if (x != m_display_maxx)
- m_out_x[y][x] = ds;
- else
- m_out_a[y] = ds;
- }
-
- // output to digity
- if (m_display_segmask[y] != 0)
- m_out_digit[y] = active_state & m_display_segmask[y];
- }
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hh_melps4_state::display_decay_tick)
-{
- // slowly turn off unpowered segments
- for (int y = 0; y < m_display_maxy; y++)
- for (int x = 0; x <= m_display_maxx; x++)
- if (m_display_decay[y][x] != 0)
- m_display_decay[y][x]--;
-
- display_update();
-}
-
-void hh_melps4_state::set_display_size(int maxx, int maxy)
-{
- m_display_maxx = maxx;
- m_display_maxy = maxy;
-}
-
-void hh_melps4_state::display_matrix(int maxx, int maxy, u32 setx, u32 sety, bool update)
-{
- set_display_size(maxx, maxy);
-
- // update current state
- u32 mask = (1 << maxx) - 1;
- for (int y = 0; y < maxy; y++)
- m_display_state[y] = (sety >> y & 1) ? ((setx & mask) | (1 << maxx)) : 0;
-
- if (update)
- display_update();
-}
-
-
// generic input handlers
u8 hh_melps4_state::read_inputs(int columns)
@@ -310,12 +210,10 @@ void cfrogger_state::cfrogger(machine_config &config)
/* video hardware */
screen_device &screen(SCREEN(config, "screen", "svg"));
- screen.set_refresh_hz(50);
+ screen.set_refresh_hz(60);
screen.set_size(500, 1080);
screen.set_visarea_full();
- TIMER(config, "display_decay").configure_periodic(FUNC(hh_melps4_state::display_decay_tick), attotime::from_msec(1));
-
/* sound hardware */
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25);
@@ -436,12 +334,10 @@ void gjungler_state::gjungler(machine_config &config)
/* video hardware */
screen_device &screen(SCREEN(config, "screen", "svg"));
- screen.set_refresh_hz(50);
+ screen.set_refresh_hz(60);
screen.set_size(481, 1080);
screen.set_visarea_full();
- TIMER(config, "display_decay").configure_periodic(FUNC(hh_melps4_state::display_decay_tick), attotime::from_msec(1));
-
/* sound hardware */
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25);