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https://github.com/holub/mame
synced 2025-04-19 23:12:11 +03:00
looping.cpp: fixed flip screen, verified XTALs on PCB
This commit is contained in:
Ivan Vangelista
parent
b62c7bad9d
commit
6ffeb38cac
@ -59,6 +59,7 @@ L056-6 9A " " VLI-8-4 7A "
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*/
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#include "emu.h"
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#include "cpu/cop400/cop400.h"
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#include "cpu/tms9900/tms9995.h"
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#include "cpu/tms9900/tms9980a.h"
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@ -69,6 +70,7 @@ L056-6 9A " " VLI-8-4 7A "
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#include "sound/dac.h"
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#include "sound/tms5220.h"
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#include "video/resnet.h"
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#include "emupal.h"
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#include "screen.h"
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#include "speaker.h"
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@ -77,32 +79,6 @@ L056-6 9A " " VLI-8-4 7A "
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namespace {
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/*************************************
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*
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* Constants
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*
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*************************************/
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#define MAIN_CPU_CLOCK (12000000)
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#define SOUND_CLOCK (8000000)
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#define COP_CLOCK (SOUND_CLOCK/2) // unknown guess
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#define TMS_CLOCK (640000)
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/* the schematics are very blurry here and don't actually specify the clock
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values; however, everything else about the sync chain implies the standard
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18.432MHz master clock, like is used in similar hardware of the time */
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#define MASTER_CLOCK (18432000)
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#define PIXEL_CLOCK (MASTER_CLOCK/3)
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#define HTOTAL (384)
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#define HBEND (0)
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#define HBSTART (256)
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#define VTOTAL (264)
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#define VBEND (16)
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#define VBSTART (224+16)
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/*************************************
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*
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@ -213,12 +189,10 @@ void looping_state::palette(palette_device &palette) const
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// initialize the palette with these colors
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for (int i = 0; i < 32; i++)
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{
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int bit0, bit1, bit2;
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// red component
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bit0 = BIT(color_prom[i], 0);
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bit1 = BIT(color_prom[i], 1);
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bit2 = BIT(color_prom[i], 2);
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int bit0 = BIT(color_prom[i], 0);
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int bit1 = BIT(color_prom[i], 1);
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int bit2 = BIT(color_prom[i], 2);
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int const r = combine_weights(rweights, bit0, bit1, bit2);
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// green component
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@ -277,7 +251,7 @@ WRITE_LINE_MEMBER(looping_state::flip_screen_x_w)
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WRITE_LINE_MEMBER(looping_state::flip_screen_y_w)
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{
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flip_screen_y_set(!state);
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m_bg_tilemap->set_scrollx(0, flip_screen() ? 128 : 0);
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m_bg_tilemap->set_scrollx(0, flip_screen() ? 256 : 0);
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}
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@ -296,14 +270,14 @@ void looping_state::colorram_w(offs_t offset, uint8_t data)
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if (offset & 1)
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{
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// mark the whole column dirty
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offs_t offs = (offset/2);
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offs_t offs = (offset / 2);
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for (int i = 0; i < 0x20; i++)
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m_bg_tilemap->mark_tile_dirty(i * 0x20 + offs);
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}
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// even bytes are column scroll
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else
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m_bg_tilemap->set_scrolly(offset/2, data);
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m_bg_tilemap->set_scrolly(offset / 2, data);
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}
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@ -316,9 +290,7 @@ void looping_state::colorram_w(offs_t offset, uint8_t data)
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void looping_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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const uint8_t *source;
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for (source = m_spriteram; source < m_spriteram + 0x40; source += 4)
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for (const uint8_t *source = m_spriteram; source < m_spriteram + 0x40; source += 4)
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{
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int sx = source[3];
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int sy = 240 - source[0];
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@ -339,7 +311,7 @@ void looping_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect
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flipy = !flipy;
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}
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m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, code, color, flipx, flipy, sx, sy, 0);
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m_gfxdecode->gfx(1)->transpen(bitmap, cliprect, code, color, flipx, flipy, sx, sy, 0);
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}
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}
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@ -416,8 +388,8 @@ WRITE_LINE_MEMBER(looping_state::souint_clr)
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WRITE_LINE_MEMBER(looping_state::spcint)
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{
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logerror("Speech /int = %d\n", state==ASSERT_LINE? 1:0);
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m_audiocpu->set_input_line(INT_9980A_LEVEL4, state==ASSERT_LINE? CLEAR_LINE : ASSERT_LINE);
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logerror("Speech /int = %d\n", state == ASSERT_LINE ? 1 : 0);
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m_audiocpu->set_input_line(INT_9980A_LEVEL4, state == ASSERT_LINE ? CLEAR_LINE : ASSERT_LINE);
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}
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@ -547,6 +519,7 @@ uint8_t looping_state::protection_r()
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void looping_state::map(address_map &map)
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{
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map(0x0000, 0x7fff).rom();
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map(0x7000, 0x7007).r(FUNC(looping_state::protection_r));
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map(0x9000, 0x93ff).ram().w(FUNC(looping_state::videoram_w)).share(m_videoram);
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@ -609,8 +582,8 @@ static const gfx_layout sprite_layout =
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static GFXDECODE_START( gfx_looping )
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GFXDECODE_ENTRY( "gfx1", 0, gfx_8x8x2_planar, 0, 8 )
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GFXDECODE_ENTRY( "gfx1", 0, sprite_layout, 0, 8 )
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GFXDECODE_ENTRY( "gfx", 0, gfx_8x8x2_planar, 0, 8 )
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GFXDECODE_ENTRY( "gfx", 0, sprite_layout, 0, 8 )
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GFXDECODE_END
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@ -620,20 +593,21 @@ GFXDECODE_END
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*
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*************************************/
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void looping_state::looping(machine_config &config)
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{
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// CPU TMS9995, standard variant; no line connections
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TMS9995(config, m_maincpu, MAIN_CPU_CLOCK);
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TMS9995(config, m_maincpu, 12_MHz_XTAL);
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m_maincpu->set_addrmap(AS_PROGRAM, &looping_state::map);
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m_maincpu->set_addrmap(AS_IO, &looping_state::io_map);
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m_maincpu->set_vblank_int("screen", FUNC(looping_state::interrupt));
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// CPU TMS9980A for audio subsystem; no line connections
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TMS9980A(config, m_audiocpu, SOUND_CLOCK);
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TMS9980A(config, m_audiocpu, 8_MHz_XTAL);
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m_audiocpu->set_addrmap(AS_PROGRAM, &looping_state::sound_map);
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m_audiocpu->set_addrmap(AS_IO, &looping_state::sound_io_map);
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cop420_cpu_device &cop(COP420(config, "mcu", COP_CLOCK));
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cop420_cpu_device &cop(COP420(config, "mcu", 8_MHz_XTAL / 2)); // unknown guess
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cop.set_config(COP400_CKI_DIVISOR_16, COP400_CKO_OSCILLATOR_OUTPUT, false);
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cop.write_l().set(FUNC(looping_state::cop_l_w));
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cop.read_l().set(FUNC(looping_state::cop_unk_r));
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@ -655,7 +629,7 @@ void looping_state::looping(machine_config &config)
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// video hardware
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screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
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screen.set_raw(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART);
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screen.set_raw(18.432_MHz_XTAL / 3, 384, 0, 256, 264, 16, 224 + 16);
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screen.set_screen_update(FUNC(looping_state::screen_update));
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screen.set_palette(m_palette);
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@ -672,11 +646,11 @@ void looping_state::looping(machine_config &config)
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GENERIC_LATCH_8(config, "soundlatch").data_pending_callback().set_inputline(m_audiocpu, INT_9980A_LEVEL2);
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AY8910(config, m_aysnd, SOUND_CLOCK/4);
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AY8910(config, m_aysnd, 8_MHz_XTAL / 4);
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m_aysnd->port_a_read_callback().set("soundlatch", FUNC(generic_latch_8_device::read));
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m_aysnd->add_route(ALL_OUTPUTS, "speaker", 0.2);
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TMS5220(config, m_tms, TMS_CLOCK);
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TMS5220(config, m_tms, 640'000);
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m_tms->irq_cb().set(FUNC(looping_state::spcint));
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m_tms->add_route(ALL_OUTPUTS, "speaker", 0.5);
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@ -720,10 +694,10 @@ static INPUT_PORTS_START( looping )
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PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_START("DSW")
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PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("DSW:1")
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PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("DSW:8")
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PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
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PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) )
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PORT_DIPNAME( 0x0e, 0x02, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("DSW:2,3,4")
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PORT_DIPNAME( 0x0e, 0x02, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("DSW:7,6,5")
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PORT_DIPSETTING( 0x02, DEF_STR( 1C_1C ) )
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PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) )
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PORT_DIPSETTING( 0x06, DEF_STR( 1C_3C ) )
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@ -732,14 +706,14 @@ static INPUT_PORTS_START( looping )
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PORT_DIPSETTING( 0x0c, DEF_STR( 1C_6C ) )
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PORT_DIPSETTING( 0x0e, DEF_STR( 1C_7C ) )
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PORT_DIPSETTING( 0x00, "1 Coin/10 Credits" )
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PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPLOCATION("DSW:5") // Check code at 0x2c00
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PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPLOCATION("DSW:4") // Check code at 0x2c00
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
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PORT_DIPNAME( 0x20, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("DSW:6")
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PORT_DIPNAME( 0x20, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("DSW:3")
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PORT_DIPSETTING( 0x00, "3" )
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PORT_DIPSETTING( 0x20, "5" )
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PORT_DIPUNUSED_DIPLOC( 0x40, IP_ACTIVE_LOW, "DSW:7" )
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PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("DSW:8")
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PORT_DIPUNUSED_DIPLOC( 0x40, IP_ACTIVE_LOW, "DSW:2" )
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PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("DSW:1")
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PORT_DIPSETTING( 0x80, DEF_STR( Upright ) )
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PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
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INPUT_PORTS_END
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@ -749,7 +723,7 @@ static INPUT_PORTS_START( skybump )
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PORT_INCLUDE(looping)
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PORT_MODIFY("DSW")
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PORT_DIPNAME( 0x60, 0x40, DEF_STR( Lives ) ) PORT_DIPLOCATION("DSW:6,7")
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PORT_DIPNAME( 0x60, 0x40, DEF_STR( Lives ) ) PORT_DIPLOCATION("DSW:3,2")
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PORT_DIPSETTING( 0x40, "3" )
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PORT_DIPSETTING( 0x60, "5" )
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PORT_DIPSETTING( 0x00, "Infinite (Cheat)")
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@ -779,7 +753,7 @@ ROM_START( loopingv )
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ROM_REGION( 0x0400, "mcu", 0 ) // COP420 microcontroller code
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ROM_LOAD( "cop.bin", 0x0000, 0x0400, CRC(d47fecec) SHA1(7eeedcb40f4cd50e1e259c6b01744a3fc97b60aa) )
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ROM_REGION( 0x1000, "gfx1", 0 )
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ROM_REGION( 0x1000, "gfx", 0 )
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ROM_LOAD( "log2.8a", 0x0000, 0x800, CRC(ef3284ac) SHA1(8719c9df8c972a56c306b3c707aaa53092ffa2d6) )
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ROM_LOAD( "log1-9-3.6a", 0x0800, 0x800, CRC(c434c14c) SHA1(3669aaf7adc6b250378bcf62eb8e7058f55476ef) )
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@ -803,7 +777,7 @@ ROM_START( loopingva )
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ROM_REGION( 0x0400, "mcu", 0 ) // COP420 microcontroller code
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ROM_LOAD( "cop.bin", 0x0000, 0x0400, CRC(d47fecec) SHA1(7eeedcb40f4cd50e1e259c6b01744a3fc97b60aa) )
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ROM_REGION( 0x1000, "gfx1", 0 )
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ROM_REGION( 0x1000, "gfx", 0 )
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ROM_LOAD( "log2.8a", 0x0000, 0x800, CRC(ef3284ac) SHA1(8719c9df8c972a56c306b3c707aaa53092ffa2d6) )
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ROM_LOAD( "log1-9-3.6a", 0x0800, 0x800, CRC(c434c14c) SHA1(3669aaf7adc6b250378bcf62eb8e7058f55476ef) )
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@ -829,7 +803,7 @@ ROM_START( looping )
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ROM_REGION( 0x0400, "mcu", 0 ) // COP420 microcontroller code
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ROM_LOAD( "cop.bin", 0x0000, 0x0400, CRC(d47fecec) SHA1(7eeedcb40f4cd50e1e259c6b01744a3fc97b60aa) ) // taken from the other sets
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ROM_REGION( 0x1000, "gfx1", 0 )
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ROM_REGION( 0x1000, "gfx", 0 )
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ROM_LOAD( "loopaa8.bin", 0x0000, 0x800, CRC(ef3284ac) SHA1(8719c9df8c972a56c306b3c707aaa53092ffa2d6) )
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ROM_LOAD( "loopaa6.bin", 0x0800, 0x800, CRC(c434c14c) SHA1(3669aaf7adc6b250378bcf62eb8e7058f55476ef) )
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@ -852,7 +826,7 @@ ROM_START( skybump )
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ROM_REGION( 0x0400, "mcu", 0 ) // COP420 microcontroller code
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ROM_LOAD( "cop.bin", 0x0000, 0x0400, CRC(d47fecec) SHA1(7eeedcb40f4cd50e1e259c6b01744a3fc97b60aa) )
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ROM_REGION( 0x1000, "gfx1", 0 )
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ROM_REGION( 0x1000, "gfx", 0 )
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ROM_LOAD( "vid.8a", 0x0000, 0x800, CRC(459ccc55) SHA1(747f6789605b48be9e22f779f9e3f6c98ad4e594) )
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ROM_LOAD( "vid.6a", 0x0800, 0x800, CRC(12ebbe74) SHA1(0f87c81a45d1bf3b8c6a70ee5e1a014069f67755) )
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@ -876,9 +850,6 @@ void looping_state::init_looping()
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// bitswap the TMS9995 ROMs
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for (int i = 0; i < length; i++)
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rom[i] = bitswap<8>(rom[i], 0,1,2,3,4,5,6,7);
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// install protection handlers
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m_maincpu->space(AS_PROGRAM).install_read_handler(0x7000, 0x7007, read8smo_delegate(*this, FUNC(looping_state::protection_r)));
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}
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