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psr340: add LCD controller [R. Belmont]

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This commit is contained in:
arbee 2020-11-25 08:54:34 -05:00
parent 7163cca76b
commit fb831d9fd7
1 changed files with 31 additions and 7 deletions
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38
src/mame/drivers/ympsr340.cpp
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@ -22,7 +22,9 @@
#include "cpu/h8/h8s2655.h"
#include "sound/swp00.h"
#include "video/hd44780.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
@ -32,7 +34,8 @@ public:
psr340_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_swp00(*this, "swp00")
m_swp00(*this, "swp00"),
m_lcdc(*this, "ks0066")
{ }
void psr340(machine_config &config);
@ -44,21 +47,28 @@ protected:
private:
required_device<h8s2655_device> m_maincpu;
required_device<swp00_device> m_swp00;
required_device<hd44780_device> m_lcdc;
void psr340_palette(palette_device &palette) const;
void psr340_map(address_map &map);
void psr340_io_map(address_map &map);
void lcd_ctrl_w(u8 data);
void lcd_data_w(u8 data);
};
void psr340_state::psr340_palette(palette_device &palette) const
{
palette.set_pen_color(0, rgb_t(138, 146, 148));
palette.set_pen_color(1, rgb_t(92, 83, 88));
}
void psr340_state::lcd_ctrl_w(u8 data)
{
// bit 3 = E, bit 4 = RS, R/W is connected to GND so write-only
}
void psr340_state::lcd_data_w(u8 data)
{
m_lcdc->rs_w(BIT(4, data));
m_lcdc->e_w(BIT(3, data));
}
void psr340_state::psr340_map(address_map &map)
@ -69,7 +79,7 @@ void psr340_state::psr340_map(address_map &map)
map(0x600000, 0x600000).lr8(NAME([]() -> uint8_t { return 0x80; })); // FDC?
map(0xffe02a, 0xffe02a).w(FUNC(psr340_state::lcd_ctrl_w));
map(0xffe02b, 0xffe02b).w(FUNC(psr340_state::lcd_data_w));
map(0xffe02b, 0xffe02b).w(m_lcdc, FUNC(hd44780_device::db_w));
}
void psr340_state::psr340_io_map(address_map &map)
@ -94,6 +104,20 @@ void psr340_state::psr340(machine_config &config)
m_maincpu->set_addrmap(AS_PROGRAM, &psr340_state::psr340_map);
m_maincpu->set_addrmap(AS_IO, &psr340_state::psr340_io_map);
KS0066_F05(config, m_lcdc, 0);
m_lcdc->set_lcd_size(2, 40);
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
screen.set_refresh_hz(50);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
screen.set_screen_update(m_lcdc, FUNC(hd44780_device::screen_update));
screen.set_size(6 * 40, 9 * 4);
screen.set_visarea_full();
screen.set_palette("palette");
PALETTE(config, "palette", FUNC(psr340_state::psr340_palette), 2);
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();