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Diffstat (limited to 'src/mame/drivers/itech8.cpp')
-rw-r--r--src/mame/drivers/itech8.cpp29
1 files changed, 19 insertions, 10 deletions
diff --git a/src/mame/drivers/itech8.cpp b/src/mame/drivers/itech8.cpp
index 82b752e5f44..731f8b1495b 100644
--- a/src/mame/drivers/itech8.cpp
+++ b/src/mame/drivers/itech8.cpp
@@ -25,7 +25,7 @@
* Ninja Clowns
Known issues:
- * Ninja Clowns main ROM dump claims it's bad
+ * None
****************************************************************************
@@ -831,11 +831,21 @@ WRITE16_MEMBER(itech8_state::display_page16_w)
page_w(space, 0, ~data >> 8);
}
+READ16_MEMBER(itech8_state::rom_constant_r)
+{
+// Ninja Clowns reads this area for program ROM checksum
+ logerror("Read ROM constant area %04x\n",offset*2+0x40000);
+ return 0xd840;
+}
-WRITE16_MEMBER(itech8_state::palette16_w)
+READ8_MEMBER(itech8_state::ninclown_palette_r)
{
- if (ACCESSING_BITS_8_15)
- palette_w(space, offset / 8, data >> 8);
+ return m_tlc34076->read(space, offset / 16);
+}
+
+WRITE8_MEMBER(itech8_state::ninclown_palette_w)
+{
+ m_tlc34076->write(space, offset / 16, data);
}
@@ -893,19 +903,19 @@ static ADDRESS_MAP_START( gtg2_map, AS_PROGRAM, 8, itech8_state )
AM_RANGE(0x4000, 0xffff) AM_ROMBANK("bank1")
ADDRESS_MAP_END
-
/*------ Ninja Clowns layout ------*/
static ADDRESS_MAP_START( ninclown_map, AS_PROGRAM, 16, itech8_state )
AM_RANGE(0x000000, 0x00007f) AM_RAM AM_REGION("maincpu", 0)
AM_RANGE(0x000080, 0x003fff) AM_RAM AM_SHARE("nvram")
- AM_RANGE(0x004000, 0x07ffff) AM_ROM
+ AM_RANGE(0x004000, 0x03ffff) AM_ROM
+ AM_RANGE(0x040000, 0x07ffff) AM_READ(rom_constant_r)
AM_RANGE(0x100080, 0x100081) AM_WRITE8(sound_data_w, 0xff00)
AM_RANGE(0x100100, 0x100101) AM_READ_PORT("40") AM_WRITE(grom_bank16_w)
AM_RANGE(0x100180, 0x100181) AM_READ_PORT("60") AM_WRITE(display_page16_w)
AM_RANGE(0x100240, 0x100241) AM_DEVWRITE8("tms34061", tms34061_device, latch_w, 0xff00)
AM_RANGE(0x100280, 0x100281) AM_READ_PORT("80") AM_WRITENOP
AM_RANGE(0x100300, 0x10031f) AM_READWRITE8(blitter_r, blitter_w, 0xffff)
- AM_RANGE(0x100380, 0x1003ff) AM_WRITE(palette16_w)
+ AM_RANGE(0x100380, 0x1003ff) AM_READWRITE8(ninclown_palette_r, ninclown_palette_w, 0xff00)
AM_RANGE(0x110000, 0x110fff) AM_READWRITE8(tms34061_r, tms34061_w, 0xffff)
ADDRESS_MAP_END
@@ -2569,10 +2579,9 @@ ROM_END
ROM_START( ninclown )
- ROM_REGION( 0x80000, "maincpu", 0 )
+ ROM_REGION( 0x40000, "maincpu", 0 )
ROM_LOAD16_BYTE( "prog1", 0x00000, 0x20000, CRC(fabfdcd2) SHA1(7a9852838cf7772d8f8f956b03823c4222520a5a) )
ROM_LOAD16_BYTE( "prog0", 0x00001, 0x20000, CRC(eca63db5) SHA1(b86d75ee81e155a21de18c2e0fa898f15d61560d) )
- ROM_COPY( "maincpu", 0x0000, 0x40000, 0x40000 )
ROM_REGION( 0x10000, "soundcpu", 0 )
ROM_LOAD( "nc-snd", 0x08000, 0x8000, CRC(f9d5b4e1) SHA1(e5c3774db349b60baf11baecf55ac432871e612c) )
@@ -2776,7 +2785,7 @@ GAME( 1991, rimrockn16, rimrockn, rimrockn, rimrockn, itech8_state, rimr
GAME( 1991, rimrockn12, rimrockn, rimrockn, rimrockn, itech8_state, rimrockn, ROT0, "Strata/Incredible Technologies", "Rim Rockin' Basketball (V1.2)", 0 )
/* Ninja Clowns-style PCB */
-GAME( 1991, ninclown, 0, ninclown, ninclown, itech8_state, 0, ROT0, "Strata/Incredible Technologies", "Ninja Clowns (08/27/91)", 0 )
+GAME( 1991, ninclown, 0, ninclown, ninclown, itech8_state, 0, ROT0, "Strata/Incredible Technologies", "Ninja Clowns (27 oct 91)", 0 )
/* Golden Tee Golf II-style PCB */
GAME( 1992, gpgolf, 0, gtg2, gpgolf, itech8_state, 0, ROT0, "Strata/Incredible Technologies", "Golden Par Golf (Joystick, V1.1)", 0 )