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-rw-r--r--src/mame/drivers/vaportra.cpp39
-rw-r--r--src/mame/includes/vaportra.h2
2 files changed, 31 insertions, 10 deletions
diff --git a/src/mame/drivers/vaportra.cpp b/src/mame/drivers/vaportra.cpp
index 469a51b6c29..a62d3f80ae6 100644
--- a/src/mame/drivers/vaportra.cpp
+++ b/src/mame/drivers/vaportra.cpp
@@ -1,11 +1,17 @@
// license:BSD-3-Clause
// copyright-holders:Bryan McPhail
+
/***************************************************************************
Vapor Trail (World version) (c) 1989 Data East Corporation
Vapor Trail (USA version) (c) 1989 Data East USA
Kuhga (Japanese version) (c) 1989 Data East Corporation
+ Notes:
+ -----
+ - If you activate the service mode dip switch during the gameplay, it acts like invicibility
+ either for player 1 and player 2. It works for all sets.
+
Emulation by Bryan McPhail, mish@tendril.co.uk
added pal & prom-maps - Highwayman.
***************************************************************************/
@@ -28,6 +34,20 @@ WRITE16_MEMBER(vaportra_state::vaportra_sound_w)
m_audiocpu->set_input_line(0, ASSERT_LINE);
}
+READ16_MEMBER(vaportra_state::irq6_ack_r)
+{
+ if (ACCESSING_BITS_0_7)
+ m_maincpu->set_input_line (6, CLEAR_LINE);
+
+ return (0);
+}
+
+WRITE16_MEMBER(vaportra_state::irq6_ack_w)
+{
+ if (ACCESSING_BITS_0_7)
+ m_maincpu->set_input_line (6, CLEAR_LINE);
+}
+
READ16_MEMBER(vaportra_state::vaportra_control_r)
{
switch (offset << 1)
@@ -59,9 +79,9 @@ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 16, vaportra_state )
AM_RANGE(0x2c0000, 0x2c000f) AM_DEVWRITE("tilegen1", deco16ic_device, pf_control_w)
AM_RANGE(0x300000, 0x3009ff) AM_RAM_WRITE(vaportra_palette_24bit_rg_w) AM_SHARE("paletteram")
AM_RANGE(0x304000, 0x3049ff) AM_RAM_WRITE(vaportra_palette_24bit_b_w) AM_SHARE("paletteram2")
- AM_RANGE(0x308000, 0x308001) AM_NOP
+ AM_RANGE(0x308000, 0x308001) AM_READWRITE(irq6_ack_r, irq6_ack_w)
AM_RANGE(0x30c000, 0x30c001) AM_DEVWRITE("spriteram", buffered_spriteram16_device, write)
- AM_RANGE(0xff8000, 0xff87ff) AM_RAM AM_SHARE("spriteram")
+ AM_RANGE(0x318000, 0x3187ff) AM_MIRROR(0xce0000) AM_RAM AM_SHARE("spriteram")
AM_RANGE(0xffc000, 0xffffff) AM_RAM
ADDRESS_MAP_END
@@ -110,7 +130,7 @@ static INPUT_PORTS_START( vaportra )
PORT_START("COINS")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
- PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_COIN3 )
+ PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_SERVICE1 )
PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen")
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_UNKNOWN )
@@ -219,7 +239,7 @@ static MACHINE_CONFIG_START( vaportra, vaportra_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000,XTAL_24MHz/2) /* Custom chip 59 */
MCFG_CPU_PROGRAM_MAP(main_map)
- MCFG_CPU_VBLANK_INT_DRIVER("screen", vaportra_state, irq6_line_hold)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", vaportra_state, irq6_line_assert)
MCFG_CPU_ADD("audiocpu", H6280, XTAL_24MHz/4) /* Custom chip 45; Audio section crystal is 32.220 MHz but CPU clock is confirmed as coming from the 24MHz crystal (6Mhz exactly on the CPU) */
MCFG_CPU_PROGRAM_MAP(sound_map)
@@ -838,15 +858,14 @@ C3D54*
DRIVER_INIT_MEMBER(vaportra_state,vaportra)
{
uint8_t *RAM = memregion("maincpu")->base();
- int i;
- for (i = 0x00000; i < 0x80000; i++)
+ for (int i = 0x00000; i < 0x80000; i++)
RAM[i] = BITSWAP8(RAM[i],0,6,5,4,3,2,1,7);
}
/******************************************************************************/
-GAME( 1989, vaportra, 0, vaportra, vaportra, vaportra_state, vaportra, ROT270, "Data East Corporation", "Vapor Trail - Hyper Offence Formation (World revision 1)", MACHINE_SUPPORTS_SAVE )
-GAME( 1989, vaportra3,vaportra, vaportra, vaportra, vaportra_state, vaportra, ROT270, "Data East Corporation", "Vapor Trail - Hyper Offence Formation (World revision 3?)", MACHINE_SUPPORTS_SAVE )
-GAME( 1989, vaportrau,vaportra, vaportra, vaportra, vaportra_state, vaportra, ROT270, "Data East USA", "Vapor Trail - Hyper Offence Formation (US)", MACHINE_SUPPORTS_SAVE )
-GAME( 1989, kuhga, vaportra, vaportra, vaportra, vaportra_state, vaportra, ROT270, "Data East Corporation", "Kuhga - Operation Code 'Vapor Trail' (Japan revision 3)", MACHINE_SUPPORTS_SAVE )
+GAME( 1989, vaportra, 0, vaportra, vaportra, vaportra_state, vaportra, ROT270, "Data East Corporation", "Vapor Trail - Hyper Offence Formation (World revision 1)", MACHINE_SUPPORTS_SAVE )
+GAME( 1989, vaportra3, vaportra, vaportra, vaportra, vaportra_state, vaportra, ROT270, "Data East Corporation", "Vapor Trail - Hyper Offence Formation (World revision 3?)", MACHINE_SUPPORTS_SAVE )
+GAME( 1989, vaportrau, vaportra, vaportra, vaportra, vaportra_state, vaportra, ROT270, "Data East USA", "Vapor Trail - Hyper Offence Formation (US)", MACHINE_SUPPORTS_SAVE )
+GAME( 1989, kuhga, vaportra, vaportra, vaportra, vaportra_state, vaportra, ROT270, "Data East Corporation", "Kuhga - Operation Code 'Vapor Trail' (Japan revision 3)", MACHINE_SUPPORTS_SAVE )
diff --git a/src/mame/includes/vaportra.h b/src/mame/includes/vaportra.h
index ddd827cf152..b1341d991ef 100644
--- a/src/mame/includes/vaportra.h
+++ b/src/mame/includes/vaportra.h
@@ -44,6 +44,8 @@ public:
uint16_t m_priority[2];
DECLARE_WRITE16_MEMBER(vaportra_sound_w);
+ DECLARE_READ16_MEMBER(irq6_ack_r);
+ DECLARE_WRITE16_MEMBER(irq6_ack_w);
DECLARE_READ16_MEMBER(vaportra_control_r);
DECLARE_READ8_MEMBER(vaportra_soundlatch_r);
DECLARE_WRITE16_MEMBER(vaportra_priority_w);