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s50: Get VDP to display something

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w30: Replace unmapped, not actually provided VDP with LCD unit (shows something now)
This commit is contained in:
AJR 2020-05-24 20:13:17 -04:00
parent aae44a2774
commit b52a300dae
2 changed files with 9 additions and 31 deletions
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2
src/devices/video/t6963c.cpp
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@ -117,7 +117,7 @@ void t6963c_device::device_reset()
u8 t6963c_device::read(offs_t offset)
{
return BIT(offset, 0) ? 0x0b : 0x00;
return BIT(offset, 0) ? 0x2b : 0x00;
}

38
src/mame/drivers/roland_s50.cpp
View File

@ -15,6 +15,7 @@
#include "machine/timer.h"
#include "machine/wd_fdc.h"
#include "video/tms3556.h"
#include "video/t6963c.h"
#include "emupal.h"
#include "screen.h"
@ -62,7 +63,7 @@ protected:
optional_device<address_map_bank_device> m_io;
required_device<wd_fdc_digital_device_base> m_fdc;
required_device<floppy_connector> m_floppy;
required_device<tms3556_device> m_vdp;
optional_device<tms3556_device> m_vdp;
//required_device<sa16_device> m_wave;
optional_device<mb63h149_device> m_keyscan;
};
@ -85,7 +86,6 @@ private:
DECLARE_WRITE_LINE_MEMBER(fdc_drq_w);
u8 unknown_status_r();
u8 unknown2_status_r();
void w30_mem_map(address_map &map);
#ifdef UNUSED_DEFINITION
@ -149,11 +149,6 @@ u8 roland_w30_state::unknown_status_r()
return 0x1c;
}
u8 roland_w30_state::unknown2_status_r()
{
return 0x23;
}
void roland_s50_state::mem_map(address_map &map)
{
@ -170,8 +165,7 @@ void roland_s50_state::s50_io_map(address_map &map)
map(0x0300, 0x0300).r(FUNC(roland_s50_state::floppy_unknown_r));
map(0x0800, 0x0807).rw(m_fdc, FUNC(wd1772_device::read), FUNC(wd1772_device::write)).umask16(0x00ff);
map(0x1200, 0x1200).r(m_vdp, FUNC(tms3556_device::vram_r));
map(0x1202, 0x1203).nopr();
map(0x1202, 0x1202).w(m_vdp, FUNC(tms3556_device::vram_w));
map(0x1202, 0x1202).rw(m_vdp, FUNC(tms3556_device::initptr_r), FUNC(tms3556_device::vram_w));
map(0x1204, 0x1204).rw(m_vdp, FUNC(tms3556_device::reg_r), FUNC(tms3556_device::reg_w));
//map(0x0000, 0x3fff).rw(m_wave, FUNC(rf5c16_device::read), FUNC(rf5c16_device::write)).umask16(0xff00);
map(0x4000, 0x4fff).mirror(0x3000).rw(FUNC(roland_s50_state::key_r), FUNC(roland_s50_state::key_w));
@ -184,8 +178,7 @@ void roland_s50_state::s550_io_map(address_map &map)
map(0x0300, 0x0300).r(FUNC(roland_s50_state::floppy_unknown_r));
map(0x0800, 0x0807).rw(m_fdc, FUNC(wd1772_device::read), FUNC(wd1772_device::write)).umask16(0x00ff);
map(0x1000, 0x1000).r(m_vdp, FUNC(tms3556_device::vram_r));
map(0x1002, 0x1003).nopr();
map(0x1002, 0x1002).w(m_vdp, FUNC(tms3556_device::vram_w));
map(0x1002, 0x1002).rw(m_vdp, FUNC(tms3556_device::initptr_r), FUNC(tms3556_device::vram_w));
map(0x1004, 0x1004).rw(m_vdp, FUNC(tms3556_device::reg_r), FUNC(tms3556_device::reg_w));
//map(0x0000, 0x3fff).rw(m_wave, FUNC(rf5c16_device::read), FUNC(rf5c16_device::write)).umask16(0xff00);
}
@ -195,8 +188,10 @@ void roland_w30_state::w30_mem_map(address_map &map)
map(0x0000, 0x3fff).rom().region("program", 0);
map(0x4000, 0x7fff).ram().share("common");
map(0x8000, 0xbfff).m(m_sram, FUNC(address_map_bank_device::amap16)); // TODO: banking differs
map(0xc800, 0xc807).rw(m_fdc, FUNC(wd1772_device::read), FUNC(wd1772_device::write)).umask16(0x00ff);
map(0xd806, 0xd806).r(FUNC(roland_w30_state::unknown_status_r));
map(0xe402, 0xe402).r(FUNC(roland_w30_state::unknown2_status_r));
//map(0xe000, 0xe01f).rw("scsic", FUNC(mb89352_device::read), FUNC(mb89352_device::write)).umask16(0x00ff);
map(0xe400, 0xe403).rw("lcd", FUNC(lm24014h_device::read), FUNC(lm24014h_device::write)).umask16(0x00ff);
//map(0xc000, 0xffff).rw(m_wave, FUNC(sa16_device::read), FUNC(sa16_device::write)).umask16(0xff00);
}
@ -329,24 +324,7 @@ void roland_w30_state::w30(machine_config &config)
//MB89352(config, "scsic", 8_MHz_XTAL); // by option
// LCD unit: LM240142
TMS3556(config, m_vdp, 14.3496_MHz_XTAL); // TMS3556NL
m_vdp->set_addrmap(0, &roland_w30_state::vram_map);
m_vdp->set_screen("screen");
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_video_attributes(VIDEO_UPDATE_BEFORE_VBLANK);
screen.set_screen_update(m_vdp, FUNC(tms3556_device::screen_update));
screen.set_size(tms3556_device::TOTAL_WIDTH, tms3556_device::TOTAL_HEIGHT*2);
screen.set_visarea(0, tms3556_device::TOTAL_WIDTH-1, 0, tms3556_device::TOTAL_HEIGHT-1);
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
screen.set_palette("palette");
PALETTE(config, "palette", palette_device::RGB_3BIT);
TIMER(config, "vdp_timer").configure_scanline(FUNC(roland_w30_state::vdp_timer), "screen", 0, 1);
LM24014H(config, "lcd"); // LCD unit: LM240142
//R15229874(config, m_wave, 26.88_MHz_XTAL);
//m_wave->int_callback().set_inputline(m_maincpu, i8x9x_device::HSI0_LINE);