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notes + rearrange sprite data upfront for both games (nw)

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This commit is contained in:
David Haywood 2013-06-01 11:25:29 +00:00
parent 729d3b48b9
commit 378d14f901
3 changed files with 86 additions and 10 deletions
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90
src/mame/drivers/speedbal.c
View File

@ -285,7 +285,7 @@ static const gfx_layout spritelayout =
static GFXDECODE_START( speedbal )
GFXDECODE_ENTRY( "gfx1", 0, charlayout, 256, 16 )
GFXDECODE_ENTRY( "gfx2", 0, tilelayout, 512, 16 )
GFXDECODE_ENTRY( "gfx3", 0, spritelayout, 0, 16 )
GFXDECODE_ENTRY( "sprites", 0, spritelayout, 0, 16 )
GFXDECODE_END
@ -325,6 +325,23 @@ static MACHINE_CONFIG_START( speedbal, speedbal_state )
MACHINE_CONFIG_END
DRIVER_INIT_MEMBER(speedbal_state,speedbal)
{
// sprite tiles are in an odd order, rearrange to simplify video drawing function
UINT8* rom = memregion("sprites")->base();
UINT8* temp = auto_alloc_array(machine(), UINT8, 0x200*128);
for (int i=0;i<0x200;i++)
{
int j = BITSWAP16(i, 15,14,13,12,11,10,9,8,0,1,2,3,4,5,6,7);
memcpy(temp+i*128, rom+j*128, 128);
}
memcpy(rom,temp,0x200*128);
auto_free(machine(), temp);
}
/***************************************************************************
@ -349,7 +366,7 @@ ROM_START( speedbal )
ROM_LOAD( "sb8.bin", 0x10000, 0x08000, CRC(d2bfbdb6) SHA1(b552b055450f438729c83337f561d05b6518ae75) )
ROM_LOAD( "sb4.bin", 0x18000, 0x08000, CRC(1d23a130) SHA1(aabf7c46f9299ffb8b8ca92839622d000a470a0b) )
ROM_REGION( 0x10000, "gfx3", ROMREGION_INVERT )
ROM_REGION( 0x10000, "sprites", ROMREGION_INVERT )
ROM_LOAD( "sb7.bin", 0x00000, 0x08000, CRC(9f1b33d1) SHA1(1f8be8f8e6a2ee99a7dafeead142ccc629fa792d) ) /* sprites */
ROM_LOAD( "sb6.bin", 0x08000, 0x08000, CRC(0e2506eb) SHA1(56f779266b977819063c475b84ca246fc6d8d6a7) )
ROM_END
@ -373,10 +390,9 @@ ROM_START( musicbal )
ROM_LOAD( "08.bin", 0x10000, 0x08000, CRC(7e7af52b) SHA1(3bb1c5abfb1fe53f01520e93124708df6750d8b5) )
ROM_LOAD( "04.bin", 0x18000, 0x08000, CRC(bf931a33) SHA1(b2ab5c6103af0e0508f08fd58b425e5acfe9ef8a) )
ROM_REGION( 0x10000, "gfx3", ROMREGION_INVERT ) // still contain Speed Ball logos!
ROM_REGION( 0x10000, "sprites", ROMREGION_INVERT ) // still contain Speed Ball logos!
ROM_LOAD( "07.bin", 0x00000, 0x08000, CRC(310e1e23) SHA1(290f3e1c7b907165fe60a4ebe7a8b04b2451b3b1) ) /* sprites */
ROM_LOAD( "06.bin", 0x08000, 0x08000, CRC(2e7772f8) SHA1(caded1a72356501282e627e23718c30cb8f09370) )
#ifdef USE_DECRYPTION_HELPER
/* speed ball code for decryption comparison help */
@ -388,6 +404,11 @@ ROM_START( musicbal )
ROM_END
#define MUSICBALL_XOR05 { rom[i] = rom[i] ^ 0x05; }
#define MUSICBALL_XOR84 { rom[i] = rom[i] ^ 0x84; }
#define MUSICBALL_SWAP1 { rom[i] = BITSWAP8(rom[i],2,6,5,4,3,7,0,1); }
@ -410,13 +431,62 @@ DRIVER_INIT_MEMBER(speedbal_state,musicbal)
}
*/
if (i&0x0020) { MUSICBALL_XOR84 MUSICBALL_SWAP1 }
if (!(i&0x0800))
{
if (i&0x0020) { MUSICBALL_XOR84 }
else
{
if (i&0x08) { MUSICBALL_XOR84 }
}
}
else
{
if (i&0x08) { MUSICBALL_XOR84 MUSICBALL_SWAP2 }
else { MUSICBALL_SWAP1 }
MUSICBALL_XOR84
}
/*
6608: 00, 00, 00, 00, 00, 00, 00, 00, // wrong
6618: 00, 05, 05, 00, 00, 00, 05, 05,
6648: 00, 05, 05, 05, 05, 05, 05, 00,
6658: 05, 05, 00, 05, 00, 00, 00, 00,
6688: 05, 05, 05, 05, 05, 05, 05, 00,
6698: 00, 00, 00, 00, 05, 00, 00, 05,
66c8: 05, 00, 05, 00, 05, 00, 00, 05,
66d8: 05, 05, 05, 05, 00, 05, 05, 05,
6708: 00, 05, 00, 05, 05, 00, 05, 00,
6718: 00, 05, 00, 05, 05, 00, 05, 00,
6748: 05, 05, 05, 05, 05, 05, 05, 00,
6758: 05, 00, 00, 05, 00, 05, 00, 05,
6788: 05, 00, 00, 05, 05, 00, 05, 00,
6798: 05, 00, 05, 00, 05, 05, 05, 05,
67c8: 00, 00, 05, 00, 05, 05, 05, 05,
67d8: 00, 00, 05, 00, 05, 05, 05, 05,
*/
if (!(i&0x0800))
{
if (i&0x0020) { MUSICBALL_SWAP1 }
else
{
if (i&0x08) { MUSICBALL_SWAP2 }
else { MUSICBALL_SWAP1 }
}
}
else
{
MUSICBALL_SWAP1
}
}
#ifdef USE_DECRYPTION_HELPER
@ -470,9 +540,11 @@ DRIVER_INIT_MEMBER(speedbal_state,musicbal)
}
#endif
DRIVER_INIT_CALL(speedbal);
}
GAMEL( 1987, speedbal, 0, speedbal, speedbal, driver_device, 0, ROT270, "Tecfri / DESystem S.A.", "Speed Ball", 0, layout_speedbal )
GAMEL( 1987, speedbal, 0, speedbal, speedbal, speedbal_state, speedbal, ROT270, "Tecfri / DESystem S.A.", "Speed Ball", 0, layout_speedbal )
GAMEL( 1988, musicbal, 0, speedbal, speedbal, speedbal_state, musicbal, ROT270, "Tecfri / DESystem S.A.", "Music Ball", GAME_NOT_WORKING, layout_speedbal )

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

@ -19,6 +19,7 @@ public:
required_shared_ptr<UINT8> m_spriteram;
required_device<cpu_device> m_maincpu;
DECLARE_DRIVER_INIT(speedbal);
DECLARE_DRIVER_INIT(musicbal);
DECLARE_WRITE8_MEMBER(speedbal_coincounter_w);

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

@ -44,6 +44,9 @@ void speedbal_state::video_start()
m_fg_tilemap->set_transmask(0,0xffff,0x0001); /* split type 0 is totally transparent in front half and has pen 0 transparent in back half */
m_fg_tilemap->set_transmask(1,0x0001,0x0001); /* split type 1 has pen 0 transparent in front and back half */
}
@ -94,7 +97,7 @@ void speedbal_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprec
x = 243 - spriteram[offset + 3];
y = 239 - spriteram[offset + 0];
code = BITSWAP8(spriteram[offset + 1],0,1,2,3,4,5,6,7) | ((spriteram[offset + 2] & 0x40) << 2);
code = (spriteram[offset + 1]) | ((spriteram[offset + 2] & 0x40) << 2);
color = spriteram[offset + 2] & 0x0f;