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mulcd: re-add background, contrast control, and leds

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This commit is contained in:
hap 2020-11-04 15:04:55 +01:00
parent 6b3b77a50f
commit b3259b130e
4 changed files with 57 additions and 12 deletions
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2
src/mame/drivers/ymmu100.cpp
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@ -558,7 +558,7 @@ void mu100_state::p2_w(u16 data)
m_lcd->control_write(cur_p1);
}
}
m_lcd->set_contrast((8 - ((cur_p2 >> 3) & 7))/8.0);
m_lcd->set_contrast((data >> 3) & 7);
cur_p2 = data;
}

42
src/mame/layout/mulcd.lay Normal file
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@ -0,0 +1,42 @@
<?xml version="1.0"?>
<!--
license:CC0
-->
<mamelayout version="2">
<!-- define elements -->
<element name="led" defstate="0">
<disk state="0"><color red="0.07" green="0.1" blue="0.02" /></disk>
<disk state="1"><color red="0.7" green="1.0" blue="0.2" /></disk>
</element>
<element name="lcda" defstate="0">
<rect>
<color state="0" red="0" green="0" blue="0" />
<color state="7" red="0.95" green="0.95" blue="0.95" />
</rect>
</element>
<element name="lcdm"><rect><color red="0.7" green="1.0" blue="0.2" /></rect></element>
<!-- build screen -->
<view name="Internal Layout">
<bounds x="0" y="0" width="121" height="30.21" />
<screen index="0"><bounds x="0" y="0" width="100" height="30.21" /></screen>
<element name="contrast" ref="lcda" blend="add"><bounds x="0" y="0" width="100" height="30.21" /></element>
<element ref="lcdm" blend="multiply"><bounds x="0" y="0" width="100" height="30.21" /></element>
<element name="LED0" ref="led"><bounds x="104" y="2" width="4" height="4" /></element>
<element name="LED1" ref="led"><bounds x="113" y="2" width="4" height="4" /></element>
<element name="LED2" ref="led"><bounds x="104" y="13" width="4" height="4" /></element>
<element name="LED3" ref="led"><bounds x="113" y="13" width="4" height="4" /></element>
<element name="LED4" ref="led"><bounds x="104" y="24" width="4" height="4" /></element>
<element name="LED5" ref="led"><bounds x="113" y="24" width="4" height="4" /></element>
</view>
</mamelayout>

19
src/mame/machine/mulcd.cpp
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@ -7,6 +7,8 @@
#include "emu.h"
#include "mulcd.h"
#include "mulcd.lh"
DEFINE_DEVICE_TYPE(MULCD, mulcd_device, "mulcd", "Yamaha MU/VL70/FS1R common LCD")
ROM_START( mulcd )
@ -27,6 +29,7 @@ mulcd_device::mulcd_device(const machine_config &mconfig, const char *tag, devic
device_t(mconfig, MULCD, tag, owner, clock),
m_lcd(*this, "hd44780"),
m_outputs(*this, "%03x.%d.%d", 0U, 0U, 0U),
m_contrast(*this, "contrast"),
m_led_outputs(*this, "LED%d", 0U)
{
}
@ -34,23 +37,24 @@ mulcd_device::mulcd_device(const machine_config &mconfig, const char *tag, devic
void mulcd_device::device_start()
{
m_outputs.resolve();
m_contrast.resolve();
m_led_outputs.resolve();
}
void mulcd_device::device_reset()
{
m_contrast = 1.0;
m_leds = 0;
set_contrast(0);
set_leds(0);
}
void mulcd_device::set_contrast(float contrast)
void mulcd_device::set_contrast(u8 contrast)
{
// 0 to 7
m_contrast = contrast;
}
void mulcd_device::set_leds(u8 leds)
{
m_leds = leds;
for(int x=0; x != 6; x++)
m_led_outputs[x] = (leds >> x) & 1;
}
@ -77,9 +81,10 @@ void mulcd_device::device_add_mconfig(machine_config &config)
m_lcd->set_lcd_size(4, 20);
auto &screen = SCREEN(config, "screen", SCREEN_TYPE_SVG);
screen.set_refresh_hz(50);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate, asynchronous updating anyway */
screen.set_size(900, 272);
screen.set_refresh_hz(60);
screen.set_size(1920/1.5, 580/1.5);
screen.set_visarea_full();
screen.screen_vblank().set(FUNC(mulcd_device::render_w));
config.set_default_layout(layout_mulcd);
}

6
src/mame/machine/mulcd.h
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@ -17,7 +17,7 @@ class mulcd_device : public device_t
public:
mulcd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
void set_contrast(float contrast);
void set_contrast(u8 contrast);
void set_leds(u8 leds);
u8 data_read() { return m_lcd->data_r(); }
u8 control_read() { return m_lcd->control_r(); }
@ -33,11 +33,9 @@ protected:
private:
required_device<hd44780_device> m_lcd;
output_finder<64, 8, 5> m_outputs;
output_finder<> m_contrast;
output_finder<6> m_led_outputs;
float m_contrast;
u8 m_leds;
DECLARE_WRITE_LINE_MEMBER(render_w);
};