// license:GPL-2.0+ // copyright-holders:Peter Trauner /****************************************************************************** PeT mess@utanet.at march 2002 ******************************************************************************/ #include "emu.h" #include "cpu/upd7810/upd7810.h" #include "sound/speaker.h" #include "bus/generic/slot.h" #include "bus/generic/carts.h" #include "rendlay.h" #include "softlist.h" class gmaster_state : public driver_device { public: gmaster_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_speaker(*this, "speaker") , m_cart(*this, "cartslot") , m_io_joy(*this, "JOY") { } DECLARE_PALETTE_INIT(gmaster); DECLARE_READ8_MEMBER(gmaster_io_r); DECLARE_WRITE8_MEMBER(gmaster_io_w); DECLARE_READ8_MEMBER(gmaster_port_r); DECLARE_WRITE8_MEMBER(gmaster_port_w); DECLARE_DRIVER_INIT(gmaster) { memset(&m_video, 0, sizeof(m_video)); memset(m_ram, 0, sizeof(m_ram)); } UINT32 screen_update_gmaster(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); private: virtual void machine_start() override; struct { UINT8 data[8]; int index; int x, y; bool mode; // true read does not increase address bool delayed; UINT8 pixels[8][64]; } m_video; UINT8 m_ports[5]; UINT8 m_ram[0x4000]; required_device m_maincpu; required_device m_speaker; required_device m_cart; required_ioport m_io_joy; }; READ8_MEMBER(gmaster_state::gmaster_io_r) { UINT8 data = 0; if (m_ports[2] & 1) { data = m_ram[offset]; logerror("%.4x external memory %.4x read %.2x\n", m_maincpu->pc(), 0x4000 + offset, data); } else { switch (offset) { case 1: data = m_video.pixels[m_video.y][m_video.x]; logerror("%.4x lcd x:%.2x y:%.2x %.4x read %.2x\n", m_maincpu->pc(), m_video.x, m_video.y, 0x4000 + offset, data); if (!(m_video.mode) && m_video.delayed) { m_video.x++; } m_video.delayed = true; break; default: logerror("%.4x memory %.4x read %.2x\n", m_maincpu->pc(), 0x4000 + offset, data); break; } } return data; } #define BLITTER_Y ((m_ports[2]&4)|(m_video.data[0]&3)) WRITE8_MEMBER(gmaster_state::gmaster_io_w) { if (m_ports[2] & 1) { m_ram[offset] = data; logerror("%.4x external memory %.4x written %.2x\n", m_maincpu->pc(), 0x4000 + offset, data); } else { switch (offset) { case 0: m_video.delayed = false; logerror("%.4x lcd %.4x written %.2x\n", m_maincpu->pc(), 0x4000 + offset, data); // e2 af a4 a0 a9 falling block init for both halves if ((data & 0xfc) == 0xb8) { m_video.index = 0; m_video.data[m_video.index] = data; m_video.y = BLITTER_Y; } else if ((data & 0xc0) == 0) { m_video.x = data; } else if ((data & 0xf0) == 0xe0) { m_video.mode = (data & 0xe) ? false : true; } m_video.data[m_video.index] = data; m_video.index = (m_video.index + 1) & 7; break; case 1: m_video.delayed = false; if (m_video.x < ARRAY_LENGTH(m_video.pixels[0])) // continental galaxy flutlicht { m_video.pixels[m_video.y][m_video.x] = data; } logerror("%.4x lcd x:%.2x y:%.2x %.4x written %.2x\n", m_maincpu->pc(), m_video.x, m_video.y, 0x4000 + offset, data); m_video.x++; /* 02 b8 1a 02 bb 1a 02 bb 22 04 b8 12 04 b8 1a 04 b8 22 04 b9 12 04 b9 1a 04 b9 22 02 bb 12 4000 e0 rr w rr w rr w rr w rr w rr w rr w rr w 4000 ee */ break; default: logerror("%.4x memory %.4x written %.2x\n", m_maincpu->pc(), 0x4000 + offset, data); break; } } } READ8_MEMBER(gmaster_state::gmaster_port_r) { // UINT8 data = m_ports[offset]; UINT8 data = 0xff; switch (offset) { case UPD7810_PORTA: data = m_io_joy->read(); break; default: logerror("%.4x port %d read %.2x\n", m_maincpu->pc(), offset, data); break; } return data; } WRITE8_MEMBER(gmaster_state::gmaster_port_w) { m_ports[offset] = data; logerror("%.4x port %d written %.2x\n", m_maincpu->pc(), offset, data); switch (offset) { case UPD7810_PORTC: m_video.y = BLITTER_Y; m_speaker->level_w(BIT(data, 4)); break; } } static ADDRESS_MAP_START( gmaster_mem, AS_PROGRAM, 8, gmaster_state ) AM_RANGE(0x0000, 0x3fff) AM_ROM AM_RANGE(0x4000, 0x7fff) AM_READWRITE(gmaster_io_r, gmaster_io_w) //AM_RANGE(0x8000, 0xfeff) // mapped by the cartslot AM_RANGE(0xff00, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(gmaster_io, AS_IO, 8, gmaster_state ) AM_RANGE(UPD7810_PORTA, UPD7810_PORTF) AM_READWRITE(gmaster_port_r, gmaster_port_w ) ADDRESS_MAP_END static INPUT_PORTS_START( gmaster ) PORT_START("JOY") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("B") PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("A") PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SELECT) PORT_NAME("Select") PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START) PORT_NAME("Start") INPUT_PORTS_END /* palette in red, green, blue tribles */ static const unsigned char gmaster_palette[2][3] = { #if 1 { 130, 159, 166 }, { 45,45,43 } #else { 255,255,255 }, { 0, 0, 0 } #endif }; PALETTE_INIT_MEMBER(gmaster_state, gmaster) { int i; for (i = 0; i < 2; i++) { palette.set_pen_color(i, gmaster_palette[i][0], gmaster_palette[i][1], gmaster_palette[i][2]); } } UINT32 gmaster_state::screen_update_gmaster(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { int x,y; for (y = 0; y < ARRAY_LENGTH(m_video.pixels); y++) { for (x = 0; x < ARRAY_LENGTH(m_video.pixels[0]); x++) { UINT8 d = m_video.pixels[y][x]; UINT16 *line; line = &bitmap.pix16((y * 8), x); line[0] = BIT(d, 0); line = &bitmap.pix16((y * 8 + 1), x); line[0] = BIT(d, 1); line = &bitmap.pix16((y * 8 + 2), x); line[0] = BIT(d, 2); line = &bitmap.pix16((y * 8 + 3), x); line[0] = BIT(d, 3); line = &bitmap.pix16((y * 8 + 4), x); line[0] = BIT(d, 4); line = &bitmap.pix16((y * 8 + 5), x); line[0] = BIT(d, 5); line = &bitmap.pix16((y * 8 + 6), x); line[0] = BIT(d, 6); line = &bitmap.pix16((y * 8 + 7), x); line[0] = BIT(d, 7); } } return 0; } void gmaster_state::machine_start() { if (m_cart->exists()) m_maincpu->space(AS_PROGRAM).install_read_handler(0x8000, 0xfeff, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_cart)); save_item(NAME(m_video.data)); save_item(NAME(m_video.index)); save_item(NAME(m_video.x)); save_item(NAME(m_video.y)); save_item(NAME(m_video.mode)); save_item(NAME(m_video.delayed)); save_item(NAME(m_video.pixels)); save_item(NAME(m_ports)); save_item(NAME(m_ram)); } static MACHINE_CONFIG_START( gmaster, gmaster_state ) MCFG_CPU_ADD("maincpu", UPD7810, XTAL_12MHz/2/*?*/) // upd78c11 in the unit MCFG_CPU_PROGRAM_MAP(gmaster_mem) MCFG_CPU_IO_MAP( gmaster_io) MCFG_SCREEN_ADD("screen", LCD) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_SIZE(64, 64) MCFG_SCREEN_VISIBLE_AREA(0, 64-1-3, 0, 64-1) MCFG_SCREEN_UPDATE_DRIVER(gmaster_state, screen_update_gmaster) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD("palette", ARRAY_LENGTH(gmaster_palette)) MCFG_PALETTE_INIT_OWNER(gmaster_state, gmaster) MCFG_DEFAULT_LAYOUT(layout_lcd) MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) MCFG_SOUND_ROUTE(0, "mono", 0.50) MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_linear_slot, "gmaster_cart") MCFG_GENERIC_MANDATORY MCFG_SOFTWARE_LIST_ADD("cart_list","gmaster") MACHINE_CONFIG_END ROM_START(gmaster) ROM_REGION(0x10000,"maincpu", 0) ROM_LOAD("d78c11agf_e19.u1", 0x0000, 0x1000, CRC(05cc45e5) SHA1(05d73638dea9657ccc2791c0202d9074a4782c1e) ) ROM_END /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME */ CONS( 1990, gmaster, 0, 0, gmaster, gmaster, gmaster_state, gmaster, "Hartung", "Game Master", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND)