Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-22 05:38:52 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

pokechmp.c: [David Haywood]

Browse Source 
- Finally figured out the 8bpp BG tile plane order, a bit odd, guess
there are swapped lines
- Hooked up OKI sound banking
- Fixed sprite attributes
- Simplified CPU banking
- Use generic palette functions
This commit is contained in:
Scott Stone 2012-07-25 14:15:05 +00:00
parent 2c437a6d66
commit 5871259308
3 changed files with 59 additions and 72 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

125
src/mame/drivers/pokechmp.c
View File

@ -6,14 +6,12 @@
Samples are played by OKIM6295
Different Banking
More Tiles, 8bpp
Sprites 4bpp? instead of 2bpp
Sprites 4bpp instead of 2bpp
Many code changes
Todo:
Fix colours
Fix sound banking
Verify frequencies etc.
Verify frequencies etc.
*/
@ -32,7 +30,7 @@ ROM 10 = Sound samples?
ROM 11 = Main CPU code?
-There's a "copyright 1987 data east corp.all rights reserved"
string inside ROM 11
string inside ROM 11 (because it's a hack of Pocket Gal)
-Sound = Yamaha YM2203C + Y3014B
@ -53,37 +51,23 @@ ClawGrip, Jul 2006
WRITE8_MEMBER(pokechmp_state::pokechmp_bank_w)
{
UINT8 *RAM = memregion("maincpu")->base();
UINT8 *ROM = memregion("maincpu")->base();
if (data == 0x00)
{
membank("bank1")->set_base(&RAM[0x10000]);
membank("bank2")->set_base(&RAM[0x12000]);
}
if (data == 0x01)
{
membank("bank1")->set_base(&RAM[0x14000]);
membank("bank2")->set_base(&RAM[0x16000]);
}
if (data == 0x02)
{
membank("bank1")->set_base(&RAM[0x20000]);
membank("bank2")->set_base(&RAM[0x22000]);
}
int bank;
bank = (data & 0x1) ? 0x04000 : 0x00000;
bank |= (data & 0x2) ? 0x10000 : 0x00000;
if (data == 0x03)
{
membank("bank1")->set_base(&RAM[0x04000]);
membank("bank2")->set_base(&RAM[0x06000]);
}
membank("bank1")->set_base(&ROM[bank]);
}
#ifdef UNUSED_FUNCTION
WRITE8_MEMBER(pokechmp_state::pokechmp_sound_bank_w)
{
membank("bank3")->set_entry((data >> 2) & 1);
UINT8 *ROM = memregion("oki")->base();
membank("okibank")->set_base(&ROM[data*0x8000]);
}
#endif
WRITE8_MEMBER(pokechmp_state::pokechmp_sound_w)
{
@ -92,17 +76,6 @@ WRITE8_MEMBER(pokechmp_state::pokechmp_sound_w)
}
INLINE void pokechmp_set_color(running_machine &machine, pen_t color, int rshift, int gshift, int bshift, UINT16 data)
{
palette_set_color_rgb(machine, color, pal5bit(data >> rshift), pal5bit(data >> gshift), pal5bit(data >> bshift));
}
WRITE8_MEMBER(pokechmp_state::pokechmp_paletteram_w)
{
m_generic_paletteram_8[offset] = data;
pokechmp_set_color(machine(), offset &0x3ff, 0, 5, 10, (m_generic_paletteram_8[offset&0x3ff]<<8) | ( m_generic_paletteram_8[ (offset&0x3ff)+0x400 ] ) );
}
static ADDRESS_MAP_START( pokechmp_map, AS_PROGRAM, 8, pokechmp_state )
@ -119,11 +92,11 @@ static ADDRESS_MAP_START( pokechmp_map, AS_PROGRAM, 8, pokechmp_state )
AM_RANGE(0x1c00, 0x1c00) AM_READ_PORT("DSW") AM_WRITE(pokechmp_bank_w)
/* Extra on Poke Champ (not on Pocket Gal) */
AM_RANGE(0x2000, 0x27ff) AM_RAM_WRITE(pokechmp_paletteram_w) AM_SHARE("paletteram")
AM_RANGE(0x2000, 0x23ff) AM_RAM_WRITE(paletteram_xBBBBBGGGGGRRRRR_byte_split_hi_w) AM_SHARE("paletteram2")
AM_RANGE(0x2400, 0x27ff) AM_RAM_WRITE(paletteram_xBBBBBGGGGGRRRRR_byte_split_lo_w) AM_SHARE("paletteram")
AM_RANGE(0x4000, 0x5fff) AM_ROMBANK("bank1")
AM_RANGE(0x6000, 0x7fff) AM_ROMBANK("bank2")
AM_RANGE(0x8000, 0xffff) AM_ROM
AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank1")
AM_RANGE(0x8000, 0xffff) AM_ROMBANK("fixed")
ADDRESS_MAP_END
@ -134,15 +107,21 @@ static ADDRESS_MAP_START( pokechmp_sound_map, AS_PROGRAM, 8, pokechmp_state )
AM_RANGE(0x0800, 0x0801) AM_DEVWRITE_LEGACY("ym1", ym2203_w)
AM_RANGE(0x1000, 0x1001) AM_DEVWRITE_LEGACY("ym2", ym3812_w)
AM_RANGE(0x1800, 0x1800) AM_WRITENOP /* MSM5205 chip on Pocket Gal, not connected here? */
// AM_RANGE(0x2000, 0x2000) AM_WRITE(pokechmp_sound_bank_w)/ * might still be sound bank */
AM_RANGE(0x2000, 0x2000) AM_WRITE(pokechmp_sound_bank_w) /* sound rom bank seems to be replaced with OKI bank */
AM_RANGE(0x2800, 0x2800) AM_DEVREADWRITE("oki", okim6295_device, read, write) // extra
AM_RANGE(0x3000, 0x3000) AM_READ(soundlatch_byte_r)
// AM_RANGE(0x3400, 0x3400) AM_READ_LEGACY(pokechmp_adpcm_reset_r) /* ? not sure */
// AM_RANGE(0x3400, 0x3400) AM_READ_LEGACY(pokechmp_adpcm_reset_r) /* not on here */
AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank3")
AM_RANGE(0x8000, 0xffff) AM_ROM
ADDRESS_MAP_END
static ADDRESS_MAP_START( pokechmp_oki_map, AS_0, 8, pokechmp_state )
AM_RANGE(0x00000, 0x37fff) AM_ROM
AM_RANGE(0x38000, 0x3ffff) AM_ROMBANK("okibank")
ADDRESS_MAP_END
static INPUT_PORTS_START( pokechmp )
PORT_START("P1")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
@ -190,35 +169,35 @@ static INPUT_PORTS_START( pokechmp )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
INPUT_PORTS_END
/* this makes no sense at all! it seems impossible to get the colours to align up in the korean flag ingame and everything else is slightly broken too */
static const gfx_layout pokechmp_charlayout =
{
8,8, /* 8*8 characters */
8,8, /* 8*8 characters */
RGN_FRAC(1,8),
8,
{ RGN_FRAC(1,8), RGN_FRAC(0,8),RGN_FRAC(3,8),RGN_FRAC(2,8),RGN_FRAC(5,8),RGN_FRAC(4,8),RGN_FRAC(7,8),RGN_FRAC(6,8) },
/* bizzare order, but it seems to be correct? */
{ RGN_FRAC(1,8), RGN_FRAC(3,8),RGN_FRAC(0,8),RGN_FRAC(5,8),RGN_FRAC(2,8),RGN_FRAC(7,8),RGN_FRAC(4,8),RGN_FRAC(6,8) },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8 /* every char takes 8 consecutive bytes */
};
/* should be ok.. */
static const gfx_layout pokechmp_spritelayout =
{
16,16, /* 16*16 sprites */
RGN_FRAC(1,8), /* 1024 sprites */
4,
{RGN_FRAC(1,8),RGN_FRAC(3,8),RGN_FRAC(5,8),RGN_FRAC(7,8)},
{ 128+7, 128+6, 128+5, 128+4, 128+3, 128+2, 128+1, 128+0, 7, 6, 5, 4, 3, 2, 1, 0 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
32*8 /* every char takes 8 consecutive bytes */
16,16, /* 16*16 sprites */
RGN_FRAC(1,4), /* 1024 sprites */
4,
{RGN_FRAC(0,4),RGN_FRAC(1,4),RGN_FRAC(2,4),RGN_FRAC(3,4)},
{ 128+7, 128+6, 128+5, 128+4, 128+3, 128+2, 128+1, 128+0, 7, 6, 5, 4, 3, 2, 1, 0 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
32*8 /* every char takes 8 consecutive bytes */
};
static GFXDECODE_START( pokechmp )
GFXDECODE_ENTRY( "gfx1", 0x00000, pokechmp_charlayout, 0x100, 32 ) /* chars */
GFXDECODE_ENTRY( "gfx2", 0x00000, pokechmp_spritelayout, 0, 32 ) /* sprites */
GFXDECODE_ENTRY( "bgs", 0x00000, pokechmp_charlayout, 0x100, 4 ) /* chars */
GFXDECODE_ENTRY( "sprites", 0x00000, pokechmp_spritelayout, 0, 32 ) /* sprites */
GFXDECODE_END
@ -258,39 +237,45 @@ static MACHINE_CONFIG_START( pokechmp, pokechmp_state )
MCFG_OKIM6295_ADD("oki", 4000000/4, OKIM6295_PIN7_HIGH) // ?? unknown frequency
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) /* sound fx */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_DEVICE_ADDRESS_MAP(AS_0, pokechmp_oki_map)
MACHINE_CONFIG_END
static DRIVER_INIT( pokechmp )
{
// default sound rom bank
machine.root_device().membank("bank3")->configure_entries(0, 2, machine.root_device().memregion("audiocpu")->base() + 0x10000, 0x4000);
// default fixed area for main CPU
machine.root_device().membank("fixed")->set_base( machine.root_device().memregion("maincpu")->base() + 0x18000 );
// default OKI sample bank
machine.root_device().membank("okibank")->set_base( machine.root_device().memregion("oki")->base() + 0x40000 );
}
ROM_START( pokechmp )
ROM_REGION( 0x24000, "maincpu", 0 ) /* 64k for code + 16k for banks */
ROM_LOAD( "pokechamp_11_27010.bin", 0x10000, 0x14000, CRC(9afb6912) SHA1(e45da9524e3bb6f64a68200b70d0f83afe6e4379) )
ROM_CONTINUE( 0x04000, 0xc000)
ROM_REGION( 0x20000, "maincpu", 0 )
ROM_LOAD( "pokechamp_11_27010.bin", 0x00000, 0x20000, CRC(9afb6912) SHA1(e45da9524e3bb6f64a68200b70d0f83afe6e4379) )
ROM_REGION( 0x18000, "audiocpu", 0 ) /* 96k for code + 96k for decrypted opcodes */
ROM_LOAD( "pokechamp_09_27c512.bin", 0x10000, 0x8000, CRC(c78f6483) SHA1(a0d063effd8d1850f674edccb6e7a285b2311d21) )
ROM_CONTINUE( 0x08000, 0x8000 )
ROM_REGION( 0x100000, "gfx1", 0)
/* Seems to be 8bpp */
ROM_REGION( 0x100000, "bgs", 0 )
ROM_LOAD( "pokechamp_05_27c020.bin", 0x00000, 0x40000, CRC(554cfa42) SHA1(862d0dd83697da7bd52dc640c34926c62691afea) )
ROM_LOAD( "pokechamp_06_27c020.bin", 0x40000, 0x40000, CRC(00bb9536) SHA1(1a5584297ebb425d6ce331955e0c6a4f467cd1e6) )
ROM_LOAD( "pokechamp_07_27c020.bin", 0x80000, 0x40000, CRC(4b15ab5e) SHA1(5523134853b9ea1c81fd5aeb58061376d94e9298) )
ROM_LOAD( "pokechamp_08_27c020.bin", 0xc0000, 0x40000, CRC(e9db54d6) SHA1(ac3b7c06d0f61847bf9bc6147f2f88d712f2b4b3) )
ROM_REGION( 0x40000, "gfx2", 0 )
ROM_REGION( 0x20000, "sprites", 0 )
/* the first half of all these roms is identical. For rom 3 both halves match. Correct decode is to ignore the first half */
ROM_LOAD( "pokechamp_02_27c512.bin", 0x00000, 0x10000, CRC(1ff44545) SHA1(2eee44484accce7b0ba21babf6e8344b234a4e87) )
ROM_LOAD( "pokechamp_01_27c512.bin", 0x10000, 0x10000, CRC(338fc412) SHA1(bb8ae99ee6a399a8c67bedb88d0837fd0a4a426c) )
ROM_LOAD( "pokechamp_04_27c512.bin", 0x20000, 0x10000, CRC(ee6991af) SHA1(8eca3cdfd2eb74257253957a87b245b7f85bd038) )
ROM_LOAD( "pokechamp_03_27c512.bin", 0x30000, 0x10000, CRC(99f9884a) SHA1(096d6ce70dc51fb9142e80e1ec45d6d7225481f5) )
ROM_LOAD( "pokechamp_02_27c512.bin", 0x00000, 0x08000, CRC(1ff44545) SHA1(2eee44484accce7b0ba21babf6e8344b234a4e87) ) ROM_CONTINUE( 0x00000, 0x8000 )
ROM_LOAD( "pokechamp_01_27c512.bin", 0x08000, 0x08000, CRC(338fc412) SHA1(bb8ae99ee6a399a8c67bedb88d0837fd0a4a426c) ) ROM_CONTINUE( 0x08000, 0x8000 )
ROM_LOAD( "pokechamp_04_27c512.bin", 0x10000, 0x08000, CRC(ee6991af) SHA1(8eca3cdfd2eb74257253957a87b245b7f85bd038) ) ROM_CONTINUE( 0x10000, 0x8000 )
ROM_LOAD( "pokechamp_03_27c512.bin", 0x18000, 0x08000, CRC(99f9884a) SHA1(096d6ce70dc51fb9142e80e1ec45d6d7225481f5) ) ROM_CONTINUE( 0x18000, 0x8000 )
ROM_REGION( 0x80000, "oki", 0 )
ROM_LOAD( "pokechamp_10_27c040.bin", 0x00000, 0x80000, CRC(b54806ed) SHA1(c6e1485c263ebd9102ff1e8c09b4c4ca5f63c3da) )
ROM_END
GAME( 1995, pokechmp, 0, pokechmp, pokechmp, pokechmp, ROT0, "D.G.R.M.", "Poke Champ", GAME_WRONG_COLORS | GAME_IMPERFECT_SOUND )
GAME( 1995, pokechmp, 0, pokechmp, pokechmp, pokechmp, ROT0, "D.G.R.M.", "Poke Champ", 0 )

1
src/mame/includes/pokechmp.h
View File

@ -12,7 +12,6 @@ public:
DECLARE_WRITE8_MEMBER(pokechmp_bank_w);
DECLARE_WRITE8_MEMBER(pokechmp_sound_bank_w);
DECLARE_WRITE8_MEMBER(pokechmp_sound_w);
DECLARE_WRITE8_MEMBER(pokechmp_paletteram_w);
DECLARE_WRITE8_MEMBER(pokechmp_videoram_w);
DECLARE_WRITE8_MEMBER(pokechmp_flipscreen_w);
};

5
src/mame/video/pokechmp.c
View File

@ -61,9 +61,12 @@ static void draw_sprites(running_machine &machine, bitmap_ind16 &bitmap, const r
if (flipx) flipx=0; else flipx=1;
if (flipy) flipy=0; else flipy=1;
}
int tileno = spriteram[offs+3];
if (spriteram[offs+1] & 0x01) tileno += 0x100;
if (spriteram[offs+1] & 0x08) tileno += 0x200;
drawgfx_transpen(bitmap,cliprect,machine.gfx[1],
spriteram[offs+3] + ((spriteram[offs+1] & 1) << 8),
tileno,
(spriteram[offs+1] & 0xf0) >> 4,
flipx,flipy,
sx,sy,0);