diff options
Diffstat (limited to 'src/mame/nintendo/mmagic.cpp')
-rw-r--r-- | src/mame/nintendo/mmagic.cpp | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/src/mame/nintendo/mmagic.cpp b/src/mame/nintendo/mmagic.cpp new file mode 100644 index 00000000000..3af9bb61aac --- /dev/null +++ b/src/mame/nintendo/mmagic.cpp @@ -0,0 +1,407 @@ +// license: GPL-2.0+ +// copyright-holders: Dirk Best +/*************************************************************************** + + "Monkey Magic" © 1979 Nintendo + + + Dumping info provided by Andrew Welburn: + + TZF-MP - Main Board + TZF-SOU - Sound Board + + # device Label PCB filename + ------------------------------------------- + 4 i2708 1AI* 2A 1AI.2A + 5 i2708 2AI* 3A 2AI.3A + 6 i2708 3AI* 4A 3AI.4A + 7 i2708 4AI* 4/5A 4AI.45A + 8 i2708 5AI* 5A 5AI.5A + + 22 H7641 6H 6HI 6H.6HI + 23 ?? ** 7H 7HI 7H.7HI + 24 H7641 6J 6JK 6J.6JK + 25 H7641 6H*** 7JK + + * Note that there is a Kana character 'I' in romaji on the end of the labels, not an I. + + ** Note this device was plastic and not ceramic, but it was dumped as a Harris 7641 as + it is logical that its compatible with the 7641. I can see the other devices all have + similar/same Harris markings in the bottom left of the IC obscured by the labels. + + *** Note that the label for the 7643 PROM at IC25 was almost scraped off, but by its position + in the sequence, it has to be 6H. I removed a little more of the label in order to + work out what the inking was on it below, turned out to be 'D-2'. the prom at IC22 also + looks like it has an inked number under the paper label, just peeking through on one side. + Without removing the paper labels entirely, these markings wont be fully known, but were + covered for some reason. + + SPECS: + + - CPU is an NEC D8085A + - Crystal is marked 6.1440, but this looks to have been replaced. + - X1/X2 clock frequency measured at pins 1 + 2 is 6.14330 mhz + - Test point with stable readings is : + - TP4 (HS) = 15.9982 khz (Horizontal sync) + - TP5 (VS) = 60.5992 hz (Vertical Sync) + +***************************************************************************/ + +#include "emu.h" +#include "cpu/i8085/i8085.h" +#include "sound/samples.h" +#include "emupal.h" +#include "speaker.h" +#include "screen.h" +#include "tilemap.h" + +#define LOG_AUDIO (1U << 1) + +#define VERBOSE (LOG_AUDIO) +#include "logmacro.h" + + +namespace { + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class mmagic_state : public driver_device +{ +public: + mmagic_state(const machine_config &mconfig, device_type type, const char *tag) : + driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_in(*this, "IN%u", 0), + m_analog(*this, "ANALOG%u", 0), + m_screen(*this, "screen"), + m_gfxdecode(*this, "gfxdecode"), + m_palette(*this, "palette"), + m_tilemap(*this, "tilemap"), + m_samples(*this,"samples"), + m_tile_colors(*this, "colors"), + m_ball_x(0x00), + m_ball_y(0x00), + m_tile_color_base(0x00), + m_audio(0x00) + { } + + void mmagic(machine_config &config); + +protected: + virtual void machine_start() override ATTR_COLD; + +private: + required_device<cpu_device> m_maincpu; + required_ioport_array<2> m_in; + required_ioport_array<2> m_analog; + required_device<screen_device> m_screen; + required_device<gfxdecode_device> m_gfxdecode; + required_device<palette_device> m_palette; + required_device<tilemap_device> m_tilemap; + required_device<samples_device> m_samples; + required_region_ptr<uint8_t> m_tile_colors; + + void mem_map(address_map &map) ATTR_COLD; + void io_map(address_map &map) ATTR_COLD; + + uint8_t paddle_r(); + uint8_t buttons_r(); + + uint8_t vblank_r(); + void ball_x_w(uint8_t data); + void ball_y_w(uint8_t data); + void color_w(uint8_t data); + uint32_t screen_update(screen_device& screen, bitmap_rgb32& bitmap, const rectangle& cliprect); + void palette_init(palette_device& palette) const; + TILE_GET_INFO_MEMBER(tile_info); + + void audio_w(uint8_t data); + + uint8_t m_ball_x; + uint8_t m_ball_y; + uint8_t m_tile_color_base; + uint8_t m_audio; +}; + + +//************************************************************************** +// ADDRESS MAPS +//************************************************************************** + +void mmagic_state::mem_map(address_map& map) +{ + map.unmap_value_high(); + map(0x0000, 0x17ff).rom(); + map(0x2000, 0x21ff).ram(); + map(0x3000, 0x31ff).ram().w(m_tilemap, FUNC(tilemap_device::write8)).share("tilemap"); + map(0x8002, 0x8002).w(FUNC(mmagic_state::ball_x_w)); + map(0x8003, 0x8003).w(FUNC(mmagic_state::ball_y_w)); + map(0x8004, 0x8004).r(FUNC(mmagic_state::vblank_r)); +} + +void mmagic_state::io_map(address_map& map) +{ + map.global_mask(0xff); + map(0x80, 0x80).w(FUNC(mmagic_state::color_w)); + map(0x81, 0x81).w(FUNC(mmagic_state::audio_w)); + map(0x85, 0x85).r(FUNC(mmagic_state::paddle_r)); + map(0x86, 0x86).r(FUNC(mmagic_state::buttons_r)); + map(0x87, 0x87).portr("DIPSW"); +} + + +//************************************************************************** +// INPUTS +//************************************************************************** + +static INPUT_PORTS_START( mmagic ) + PORT_START("DIPSW") + PORT_SERVICE_DIPLOC(0x01, IP_ACTIVE_LOW, "DSW:1") + PORT_DIPNAME(0x06, 0x06, DEF_STR(Bonus_Life)) PORT_DIPLOCATION ("DSW:2,3") + PORT_DIPSETTING(0x00, "30000") + PORT_DIPSETTING(0x02, "20000") + PORT_DIPSETTING(0x04, "15000") + PORT_DIPSETTING(0x06, "10000") + PORT_DIPNAME(0x18, 0x18, DEF_STR(Lives)) PORT_DIPLOCATION ("DSW:4,5") + PORT_DIPSETTING(0x00, "6") + PORT_DIPSETTING(0x08, "5") + PORT_DIPSETTING(0x10, "4") + PORT_DIPSETTING(0x18, "3") + PORT_DIPUNUSED_DIPLOC(0x20, IP_ACTIVE_LOW, "DSW:6" ) + PORT_DIPUNUSED_DIPLOC(0x40, IP_ACTIVE_LOW, "DSW:7" ) + PORT_DIPUNUSED_DIPLOC(0x80, IP_ACTIVE_LOW, "DSW:8" ) + + PORT_START("IN0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_START1) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_START2) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_COIN1) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_OTHER) PORT_NAME("Debug?") // checked once at startup + + PORT_START("IN1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) + + PORT_START("ANALOG0") + PORT_BIT(0xff, 0x80, IPT_PADDLE) PORT_MINMAX(0x00, 0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(30) PORT_CENTERDELTA(0) + + PORT_START("ANALOG1") + PORT_BIT(0xff, 0x80, IPT_PADDLE) PORT_MINMAX(0x00, 0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(30) PORT_CENTERDELTA(0) PORT_PLAYER(2) +INPUT_PORTS_END + +uint8_t mmagic_state::paddle_r() +{ + return flip_screen() ? m_analog[0]->read() : m_analog[1]->read(); +} + +uint8_t mmagic_state::buttons_r() +{ + return flip_screen() ? m_in[0]->read() : m_in[1]->read() | (m_in[0]->read() & ~1); +} + + +//************************************************************************** +// VIDEO EMULATION +//************************************************************************** + +uint8_t mmagic_state::vblank_r() +{ + // bit 0 = vblank, other bits unused + return 0xfe | m_screen->vblank(); +} + +void mmagic_state::ball_x_w(uint8_t data) +{ + m_ball_x = data; +} + +void mmagic_state::ball_y_w(uint8_t data) +{ + m_ball_y = data; +} + +void mmagic_state::color_w(uint8_t data) +{ + // bit 3 is flip screen + flip_screen_set(BIT(data, 3)); + + // bit 6 switches the palette (actually there is only a single differently colored tile) + int tile_color_base = BIT(data, 6) << 7; + if (m_tile_color_base != tile_color_base) + { + m_tilemap->mark_all_dirty(); + m_tile_color_base = tile_color_base; + } + + // other bits are always 0 +} + +uint32_t mmagic_state::screen_update(screen_device& screen, bitmap_rgb32& bitmap, const rectangle& cliprect) +{ + m_tilemap->draw(screen, bitmap, cliprect, 0, 0); + + // draw ball (if not disabled) + if (m_ball_x != 0xff) + { + static const int BALL_SIZE = 4; + int ball_y = (m_ball_y >> 4) * 12 + (m_ball_y & 0x0f); + bitmap.plot_box(flip_screen() ? 255 - m_ball_x : m_ball_x, flip_screen() ? 191 - ball_y : ball_y, BALL_SIZE, BALL_SIZE, rgb_t::white()); + } + + return 0; +} + +void mmagic_state::palette_init(palette_device& palette) const +{ + for (int i = 0; i < 16; i++) + { + int const r = (!BIT(i, 0) && BIT(i, 1)) ? 0xff : 0x00; + int const g = (!BIT(i, 0) && BIT(i, 2)) ? 0xff : 0x00; + int const b = (!BIT(i, 0) && BIT(i, 3)) ? 0xff : 0x00; + + palette.set_pen_color(i, rgb_t(r, g, b)); + } +} + +static constexpr gfx_layout tile_layout = +{ + 8, 12, // 8x12 tiles + 128, // 128 tiles + 1, // 1 bits per pixel + { 0 }, // no bitplanes + // x offsets + { 3, 2, 1, 0, 7, 6, 5, 4 }, + // y offsets + { 0 * 8, 1 * 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, 7 * 8, 8 * 8, 9 * 8, 10 * 8, 11 * 8 }, + 16 * 8 // every tile takes 16 bytes +}; + +static constexpr GFXDECODE_START(gfxdecode) + GFXDECODE_ENTRY("tiles", 0x0000, tile_layout, 0, 8) +GFXDECODE_END + +TILE_GET_INFO_MEMBER(mmagic_state::tile_info) +{ + uint32_t code = m_tilemap->basemem_read(tile_index) & 0x7f; + uint32_t color = m_tile_colors[code | m_tile_color_base]; + + tileinfo.set(0, code, color, 0); +} + + +//************************************************************************** +// AUDIO EMULATION +//************************************************************************** + +static constexpr const char* const sample_names[] = +{ + "*mmagic", + "4", + "3", + "5", + "2", + "2-2", + "6", + "6-2", + "1", + nullptr +}; + +void mmagic_state::audio_w(uint8_t data) +{ + LOGMASKED(LOG_AUDIO, "audio_w: %02x\n", data); + + data ^= 0xff; + if (data != m_audio) + { + if (BIT(data, 7)) + m_samples->start(0, m_audio & 7); + + m_audio = data; + } +} + + +//************************************************************************** +// DRIVER INIT +//************************************************************************** + +void mmagic_state::machine_start() +{ + save_item(NAME(m_ball_x)); + save_item(NAME(m_ball_y)); + save_item(NAME(m_tile_color_base)); + save_item(NAME(m_audio)); +} + + +//************************************************************************** +// MACHINE DEFINTIONS +//************************************************************************** + +void mmagic_state::mmagic(machine_config& config) +{ + // basic machine hardware + I8085A(config, m_maincpu, 6.144_MHz_XTAL); // NEC D8085A + m_maincpu->set_addrmap(AS_PROGRAM, &mmagic_state::mem_map); + m_maincpu->set_addrmap(AS_IO, &mmagic_state::io_map); + + // video hardware + SCREEN(config, m_screen, SCREEN_TYPE_RASTER); + m_screen->set_raw(6.144_MHz_XTAL, 384, 0, 256, 264, 0, 192); + m_screen->set_screen_update(FUNC(mmagic_state::screen_update)); + + GFXDECODE(config, m_gfxdecode, m_palette, gfxdecode); + + PALETTE(config, m_palette, FUNC(mmagic_state::palette_init), 16); + + TILEMAP(config, m_tilemap, m_gfxdecode, 1, 8, 12, TILEMAP_SCAN_ROWS, 32, 16).set_info_callback(FUNC(mmagic_state::tile_info)); + + // sound hardware + SPEAKER(config, "mono").front_center(); + SAMPLES(config, m_samples); + m_samples->set_channels(1); + m_samples->set_samples_names(sample_names); + m_samples->add_route(ALL_OUTPUTS, "mono", 0.5); + // TODO: replace samples with SN76477 + discrete sound +} + + +//************************************************************************** +// ROM DEFINITIONS +//************************************************************************** + +ROM_START( mmagic ) + ROM_REGION(0x1800, "maincpu", 0) + ROM_LOAD("1ai.2a", 0x0000, 0x0400, CRC(ec772e2e) SHA1(7efc1bbb24b2ed73c518aea1c4ef4b9a93034e31)) + ROM_LOAD("2ai.3a", 0x0400, 0x0400, CRC(e5d482ca) SHA1(208b808e9208bb6f5f5f89ffbeb5a885be33733a)) + ROM_LOAD("3ai.4a", 0x0800, 0x0400, CRC(e8d38deb) SHA1(d7384234fb47e4b1d0421f58571fa748662b05f5)) + ROM_LOAD("4ai.45a", 0x0c00, 0x0400, CRC(3048bd6c) SHA1(740051589f6ba44b2ee68edf76a3177bb973d78e)) + ROM_LOAD("5ai.5a", 0x1000, 0x0400, CRC(2cab8f04) SHA1(203a3c005f18f968cd14c972bbb9fd7e0fc3b670)) + // location 6a is unpopulated, if the "debug" switch is activated on bootup it would jump here + ROM_FILL(0x1400, 0x0400, 0xff) + + ROM_REGION(0x800, "tiles", 0) + ROM_LOAD("6h.6hi", 0x000, 0x200, CRC(b6321b6f) SHA1(06611f7419d2982e006a3e81b79677e59e194f38)) + ROM_LOAD("7h.7hi", 0x200, 0x200, CRC(9ec0e82c) SHA1(29983f690a1b6134bb1983921f42c14898788095)) + ROM_LOAD("6j.6jk", 0x400, 0x200, CRC(7ce83302) SHA1(1870610ff07ab11622e183e04e3fce29328ff291)) + ROM_FILL(0x600, 0x200, 0xff) + + ROM_REGION(0x200, "colors", ROMREGION_INVERT) + ROM_LOAD("7j.7jk", 0x000, 0x200, CRC(b7eb8e1c) SHA1(b65a8efb88668dcf1c1d00e31a9b15a67c2972c8)) +ROM_END + + +} // anonymous namespace + + +//************************************************************************** +// GAME DRIVERS +//************************************************************************** + +// YEAR NAME PARENT MACHINE INPUT CLASS INIT ROT COMPANY FULLNAME FLAGS +GAME( 1979, mmagic, 0, mmagic, mmagic, mmagic_state, empty_init, ROT90, "Nintendo", "Monkey Magic", MACHINE_SUPPORTS_SAVE | MACHINE_IMPERFECT_SOUND ) |