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nwk-tr: combine CG boards into single screen alternate frame rendering

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This commit is contained in:
Ville Linde 2021-06-18 05:01:26 +03:00
parent 64455fdc4b
commit 8f5a97a448
1 changed files with 23 additions and 15 deletions
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38
src/mame/drivers/nwk-tr.cpp
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@ -352,9 +352,11 @@ private:
void soundtimer_count_w(uint16_t data); void soundtimer_count_w(uint16_t data);
double adc12138_input_callback(uint8_t input); double adc12138_input_callback(uint8_t input);
bool m_exrgb;
TIMER_CALLBACK_MEMBER(sound_irq); TIMER_CALLBACK_MEMBER(sound_irq);
template <uint8_t Which> uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void ppc_map(address_map &map); void ppc_map(address_map &map);
void sharc0_map(address_map &map); void sharc0_map(address_map &map);
@ -369,13 +371,14 @@ void nwktr_state::paletteram32_w(offs_t offset, uint32_t data, uint32_t mem_mask
m_palette->set_pen_color(offset, pal5bit(data >> 10), pal5bit(data >> 5), pal5bit(data >> 0)); m_palette->set_pen_color(offset, pal5bit(data >> 10), pal5bit(data >> 5), pal5bit(data >> 0));
} }
template <uint8_t Which>
uint32_t nwktr_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) uint32_t nwktr_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{ {
bitmap.fill(m_palette->pen(0), cliprect); bitmap.fill(m_palette->pen(0), cliprect);
m_voodoo[Which]->voodoo_update(bitmap, cliprect); int board = m_exrgb ? 1 : 0;
m_k001604[Which]->draw_front_layer(screen, bitmap, cliprect);
m_voodoo[board]->voodoo_update(bitmap, cliprect);
m_k001604[0]->draw_front_layer(screen, bitmap, cliprect); // K001604 on slave board doesn't seem to output anything. Bug or intended?
return 0; return 0;
} }
@ -435,12 +438,22 @@ void nwktr_state::sysreg_w(offs_t offset, uint8_t data)
} }
case 7: case 7:
/*
0x80 = EXRES1
0x40 = EXRES0
0x20 = EXID1
0x10 = EXID0
0x01 = EXRGB
*/
if (data & 0x80) // CG Board 1 IRQ Ack if (data & 0x80) // CG Board 1 IRQ Ack
m_maincpu->set_input_line(INPUT_LINE_IRQ1, CLEAR_LINE); m_maincpu->set_input_line(INPUT_LINE_IRQ1, CLEAR_LINE);
if (data & 0x40) // CG Board 0 IRQ Ack if (data & 0x40) // CG Board 0 IRQ Ack
m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE); m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
m_konppc->set_cgboard_id((data >> 4) & 3); m_konppc->set_cgboard_id((data >> 4) & 0x3);
m_exrgb = data & 0x1; // Select which CG Board outputs signal
m_cg_view.select(m_konppc->get_cgboard_id() ? 1 : 0); m_cg_view.select(m_konppc->get_cgboard_id() ? 1 : 0);
break; break;
@ -672,7 +685,7 @@ void nwktr_state::nwktr(machine_config &config)
VOODOO_1(config, m_voodoo[0], XTAL(50'000'000)); VOODOO_1(config, m_voodoo[0], XTAL(50'000'000));
m_voodoo[0]->set_fbmem(2); m_voodoo[0]->set_fbmem(2);
m_voodoo[0]->set_tmumem(2,2); m_voodoo[0]->set_tmumem(2,2);
m_voodoo[0]->set_screen_tag("lscreen"); m_voodoo[0]->set_screen_tag("screen");
m_voodoo[0]->set_cpu_tag(m_dsp[0]); m_voodoo[0]->set_cpu_tag(m_dsp[0]);
m_voodoo[0]->vblank_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); m_voodoo[0]->vblank_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
m_voodoo[0]->stall_callback().set(m_dsp[0], FUNC(adsp21062_device::write_stall)); m_voodoo[0]->stall_callback().set(m_dsp[0], FUNC(adsp21062_device::write_stall));
@ -680,20 +693,15 @@ void nwktr_state::nwktr(machine_config &config)
VOODOO_1(config, m_voodoo[1], XTAL(50'000'000)); VOODOO_1(config, m_voodoo[1], XTAL(50'000'000));
m_voodoo[1]->set_fbmem(2); m_voodoo[1]->set_fbmem(2);
m_voodoo[1]->set_tmumem(2,2); m_voodoo[1]->set_tmumem(2,2);
m_voodoo[1]->set_screen_tag("rscreen"); m_voodoo[1]->set_screen_tag("screen");
m_voodoo[1]->set_cpu_tag(m_dsp[1]); m_voodoo[1]->set_cpu_tag(m_dsp[1]);
m_voodoo[1]->vblank_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ1); m_voodoo[1]->vblank_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ1);
m_voodoo[1]->stall_callback().set(m_dsp[1], FUNC(adsp21062_device::write_stall)); m_voodoo[1]->stall_callback().set(m_dsp[1], FUNC(adsp21062_device::write_stall));
screen_device &lscreen(SCREEN(config, "lscreen", SCREEN_TYPE_RASTER)); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
// default 24KHz parameter in both 001604 and voodoo, input clock correct? (58~Hz Vsync, 50MHz/3 or 64MHz/4?) // default 24KHz parameter in both 001604 and voodoo, input clock correct? (58~Hz Vsync, 50MHz/3 or 64MHz/4?)
lscreen.set_raw(XTAL(64'000'000) / 4, 644, 44, 44 + 512, 450, 31, 31 + 400); screen.set_raw(XTAL(64'000'000) / 4, 644, 44, 44 + 512, 450, 31, 31 + 400);
lscreen.set_screen_update(FUNC(nwktr_state::screen_update<0>)); screen.set_screen_update(FUNC(nwktr_state::screen_update));
screen_device &rscreen(SCREEN(config, "rscreen", SCREEN_TYPE_RASTER)); // for unused/debug screen from slave CG board
// resolution currently unknown, input clock correct? (60~Hz Vsync, 50MHz/3 or 64MHz/4?)
rscreen.set_raw(XTAL(64'000'000) / 4, 644, 44, 44 + 512, 450, 31, 31 + 400);
rscreen.set_screen_update(FUNC(nwktr_state::screen_update<1>));
PALETTE(config, m_palette).set_entries(65536); PALETTE(config, m_palette).set_entries(65536);