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mmagic: check ball disable condition, document unknown switch, document

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unpopulated pcb location
This commit is contained in:
Dirk Best 2015-07-24 20:44:24 +02:00
parent fb0a84533a
commit cb1e846672
1 changed files with 11 additions and 7 deletions
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18
src/mame/drivers/mmagic.c
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@ -110,7 +110,7 @@ private:
static ADDRESS_MAP_START( mmagic_mem, AS_PROGRAM, 8, mmagic_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x13ff) AM_ROM
AM_RANGE(0x0000, 0x17ff) AM_ROM
AM_RANGE(0x2000, 0x21ff) AM_RAM
AM_RANGE(0x3000, 0x31ff) AM_RAM AM_SHARE("vram")
AM_RANGE(0x8002, 0x8002) AM_WRITE(ball_x_w)
@ -157,7 +157,7 @@ static INPUT_PORTS_START( mmagic )
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_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_OTHER) PORT_NAME("Debug?") // debug? checked once at startup
PORT_START("paddle")
PORT_BIT(0xff, 0x80, IPT_PADDLE) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(30) PORT_CENTERDELTA(0)
@ -229,10 +229,13 @@ UINT32 mmagic_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
}
}
// draw ball
static const int BALL_SIZE = 4;
int ball_y = (m_ball_y >> 4) * 12 + (m_ball_y & 0x0f);
bitmap.plot_box(m_ball_x - BALL_SIZE + 1, ball_y - BALL_SIZE + 1, BALL_SIZE, BALL_SIZE, rgb_t::white);
// 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(m_ball_x - BALL_SIZE + 1, ball_y - BALL_SIZE + 1, BALL_SIZE, BALL_SIZE, rgb_t::white);
}
return 0;
}
@ -304,12 +307,13 @@ MACHINE_CONFIG_END
//**************************************************************************
ROM_START( mmagic )
ROM_REGION(0x1400, "maincpu", 0)
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_REGION(0x800, "tiles", 0)
ROM_LOAD("6h.6hi", 0x000, 0x200, CRC(b6321b6f) SHA1(06611f7419d2982e006a3e81b79677e59e194f38))