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cps3: add not compressed Character DMA, jojobar1 image confirmed good, converted to CHDv5 (nw)

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MetalliC 2019-10-01 01:26:31 +03:00
parent 783a3bae2b
commit 7b0107f718
2 changed files with 21 additions and 9 deletions
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29
src/mame/drivers/cps3.cpp
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@ -477,8 +477,8 @@ Hardware registers info
-e-- ---- ---- ---- Tilemap 0 Line Scroll Enable
--d- ---- ---- ---- Tilemap 0 Line Zoom Enable (seems unused in games, but might be enabled in jojo dev.menu BG test)
---c ---- ---- ---- Tilemap 0 ?? set together with Zoom
---- b--- ---- ---- Tilemap 0 Flip X (not implemented, Warzard demo fights during special moves)
---- -a-- ---- ---- Tilemap 0 Flip Y (not implemented, Capcom logos background during sfiii2 flashing)
---- b--- ---- ---- Tilemap 0 Flip X
---- -a-- ---- ---- Tilemap 0 Flip Y
---- --98 7654 3210 Tilemap 0 ?? always 0
28 -edc ba98 ---- ---- Tilemap 0 Line Scroll and Zoom Base address (1st word is scroll, 2nd word is zoom)
---- ---- -654 3210 Tilemap 0 Tiles Base address
@ -2018,16 +2018,18 @@ void cps3_state::process_character_dma(u32 address)
u32 dat1 = little_endianize_int32(m_char_ram[i + 0 + (address)]);
u32 dat2 = little_endianize_int32(m_char_ram[i + 1 + (address)]);
u32 dat3 = little_endianize_int32(m_char_ram[i + 2 + (address)]);
u32 real_source = (dat3 << 1) - 0x400000;
u32 real_destination = dat2 << 3;
u32 real_length = (((dat1 & 0x001fffff) + 1) << 3);
// 0x01000000 is the end of list marker
if (dat1 & 0x01000000) break;
u32 dma_command = (dat1 & 0x00e00000) >> 21;
u32 real_length = (((dat1 & 0x001fffff) + 1) << 3); // for command 4 here is number of 16bit words -1
u32 real_destination = dat2 << 3;
u32 real_source = (dat3 << 1) - 0x400000;
//logerror("%08x %08x %08x real_source %08x (rom %d offset %08x) real_destination %08x, real_length %08x\n", dat1, dat2, dat3, real_source, real_source/0x800000, real_source%0x800000, real_destination, real_length);
switch ((dat1 >> 21) & 7)
switch (dma_command)
{
case 4: /* Sets a table used by the decompression routines */
/* We should probably copy this, but a pointer to it is fine for our purposes as the data doesn't change */
@ -2041,9 +2043,18 @@ void cps3_state::process_character_dma(u32 address)
- this is used on SFIII NG Sean's Stage ONLY */
do_alt_char_dma(real_source, real_destination, real_length);
break;
case 0: // not compressed DMA
// warzard use this at stage's start, code looks intent, not a game bug
for (u8* dest = (u8*)m_char_ram.get(); real_length; --real_length)
{
dest[(real_destination & 0x7fffff) ^ 3] = m_user5[DMA_XOR(real_source)];
m_gfxdecode->gfx(1)->mark_dirty((real_destination & 0x7fffff) / 0x100);
real_source++;
real_destination++;
}
break;
default:
// warzard uses command 0, uncompressed? but for what?
logerror("Unknown DMA List Command Type %d\n", (dat1 >> 21) & 7);
logerror("Unknown DMA List Command Type %d\n", dma_command);
break;
}
}
@ -2787,7 +2798,7 @@ ROM_START( jojobar1 )
ROM_LOAD( "jojoba_japan.29f400.u2", 0x000000, 0x080000, CRC(3085478c) SHA1(055eab1fc42816f370a44b17fd7e87ffcb10e8b7) )
DISK_REGION( "scsi:1:cdrom" )
DISK_IMAGE_READONLY( "cap-jjm-0", 0, BAD_DUMP SHA1(0678a0baeb853dcff1d230c14f0873cc9f143d7b) )
DISK_IMAGE_READONLY( "cap-jjm-0", 0, SHA1(1651896d127dbf32af99175ae91227cd90675aaa) )
ROM_END

1
src/mame/drivers/naomi.cpp
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@ -8093,6 +8093,7 @@ ROM_END
// 834-14921, SHE-0010, communication? unit, not NAOMI-based, uses 2x Motorola MC68360 QUICC
// currently we have only Satellite unit ROM board dumped, server/control and large screen units is missing.
// Satellite, ID# 837-14926, SATL BD SHE PROG RET
// ROM board ID# 840-0186B
ROM_START( shorsepr )
NAOMI_BIOS