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some debug code, studying the compressed gfx

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This commit is contained in:
David Haywood 2013-02-20 22:31:15 +00:00
parent 8adbe3ca0f
commit e6ce889436
1 changed files with 40 additions and 12 deletions
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52
src/mame/drivers/coolridr.c
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@ -449,6 +449,8 @@ public:
UINT8 an_mux_data;
UINT8 sound_data;
UINT8* m_compressedgfx;
DECLARE_READ32_MEMBER(sysh1_sound_dma_r);
DECLARE_WRITE32_MEMBER(sysh1_sound_dma_w);
DECLARE_READ32_MEMBER(sysh1_ioga_r);
@ -783,7 +785,7 @@ WRITE32_MEMBER(coolridr_state::sysh1_txt_blit_w)
if (!(m_blit0 & 1)) // don't bother for non-sprites
{
m_blit3_unused = data & 0xffe00000;
m_b3romoffset = data & 0x001fffff;
m_b3romoffset = (data & 0x001fffff)*2;
// if this is an offset into the compressed data then it's probably a word offset into each rom (each is 0x400000 bytes) with the data from all 10 being used in parallel as per the notes from Charles
// this needs verifying as it could instead be an index into some other ram area already decompressed..
// 0000xxxx
@ -791,6 +793,31 @@ WRITE32_MEMBER(coolridr_state::sysh1_txt_blit_w)
// 001fxxxx
if (m_blit3_unused) printf("unknown bits in blit word %d - %08x\n", m_blitterSerialCount, m_blit4_unused);
if (m_b3romoffset!=0)
{
#if 0
// if we look in rom IC6 (+0x1400000) then the word before our offset is very often 0x0000
printf("rom offset %08x, previous values : ", m_b3romoffset);
for (int i=0;i<10;i++)
{
UINT16 testvalue = m_compressedgfx[i*0x400000 + m_b3romoffset - 2] << 8 | m_compressedgfx[i*0x0400000 + m_b3romoffset - 1];
printf("%04x, ", testvalue);
}
printf("\n");
#endif
#if 0
// if we look in rom IC6 (+0x1400000) then the word before our offset is very often 0x0000 probably indicating that's the last word used
printf("rom offset %08x, values : ", m_b3romoffset);
for (int i=0;i<10;i++)
{
UINT16 testvalue = m_compressedgfx[i*0x400000 + m_b3romoffset] << 8 | m_compressedgfx[i*0x0400000 + m_b3romoffset +1];
printf("%04x, ", testvalue);
}
printf("\n");
#endif
}
}
}
else if (m_blitterSerialCount == 4)
@ -1823,6 +1850,8 @@ void coolridr_state::machine_start()
// memcpy(memregion("soundcpu")->base(), memregion("maincpu")->base()+0x100000, 0x80000);
// m_soundcpu->reset();
m_compressedgfx = memregion( "gfx5" )->base();
}
void coolridr_state::machine_reset()
@ -1958,17 +1987,16 @@ ROM_START( coolridr )
/* these are compressed sprite data */
ROM_REGION( 0x2800000, "gfx5", ROMREGION_ERASEFF )
/* logical interleaving according to the readme? */
ROM_LOAD32_WORD_SWAP( "mpr-17640.ic1", 0x0000002, 0x0400000, CRC(981e3e69) SHA1(d242055e0359ec4b5fac4676b2f974fbc974cc68) )
ROM_LOAD32_WORD_SWAP( "mpr-17645.ic6", 0x0000000, 0x0400000, CRC(56968d07) SHA1(e88c3d66ea05affb4681a25d155f097bd1b5a84b) )
ROM_LOAD32_WORD_SWAP( "mpr-17641.ic2", 0x0800002, 0x0400000, CRC(fccc3dae) SHA1(0df7fd8b1110ba9063dc4dc40301267229cb9a35) )
ROM_LOAD32_WORD_SWAP( "mpr-17646.ic7", 0x0800000, 0x0400000, CRC(b77eb2ad) SHA1(b832c0f1798aca39adba840d56ae96a75346670a) )
ROM_LOAD32_WORD_SWAP( "mpr-17642.ic3", 0x1000002, 0x0400000, CRC(1a5bcc73) SHA1(a7df04c0a326323ea185db5f55b3e0449d76c535) )
ROM_LOAD32_WORD_SWAP( "mpr-17647.ic8", 0x1000000, 0x0400000, CRC(9dd9330c) SHA1(c91a7f497c1f4bd283bd683b06dff88893724d51) )
ROM_LOAD32_WORD_SWAP( "mpr-17643.ic4", 0x1800002, 0x0400000, CRC(5100f23b) SHA1(659c2300399ff1cbd24fb1eb18cfd6c26e06fd96) )
ROM_LOAD32_WORD_SWAP( "mpr-17648.ic9", 0x1800000, 0x0400000, CRC(bf184cce) SHA1(62c004ea279f9a649d21426369336c2e1f9d24da) )
ROM_LOAD32_WORD_SWAP( "mpr-17644.ic5", 0x2000002, 0x0400000, CRC(80199c79) SHA1(e525d8ee9f9176101629853e50cca73b02b16a38) )
ROM_LOAD32_WORD_SWAP( "mpr-17649.ic10",0x2000000, 0x0400000, CRC(618c47ae) SHA1(5b69ad36fcf8e70d34c3b2fc71412ce953c5ceb3) )
ROM_LOAD( "mpr-17640.ic1", 0x0000000, 0x0400000, CRC(981e3e69) SHA1(d242055e0359ec4b5fac4676b2f974fbc974cc68) )
ROM_LOAD( "mpr-17641.ic2", 0x0400000, 0x0400000, CRC(fccc3dae) SHA1(0df7fd8b1110ba9063dc4dc40301267229cb9a35) )
ROM_LOAD( "mpr-17642.ic3", 0x0800000, 0x0400000, CRC(1a5bcc73) SHA1(a7df04c0a326323ea185db5f55b3e0449d76c535) )
ROM_LOAD( "mpr-17643.ic4", 0x0c00000, 0x0400000, CRC(5100f23b) SHA1(659c2300399ff1cbd24fb1eb18cfd6c26e06fd96) )
ROM_LOAD( "mpr-17644.ic5", 0x1000000, 0x0400000, CRC(80199c79) SHA1(e525d8ee9f9176101629853e50cca73b02b16a38) )
ROM_LOAD( "mpr-17645.ic6", 0x1400000, 0x0400000, CRC(56968d07) SHA1(e88c3d66ea05affb4681a25d155f097bd1b5a84b) )
ROM_LOAD( "mpr-17646.ic7", 0x1800000, 0x0400000, CRC(b77eb2ad) SHA1(b832c0f1798aca39adba840d56ae96a75346670a) )
ROM_LOAD( "mpr-17647.ic8", 0x1c00000, 0x0400000, CRC(9dd9330c) SHA1(c91a7f497c1f4bd283bd683b06dff88893724d51) )
ROM_LOAD( "mpr-17648.ic9", 0x2000000, 0x0400000, CRC(bf184cce) SHA1(62c004ea279f9a649d21426369336c2e1f9d24da) )
ROM_LOAD( "mpr-17649.ic10",0x2400000, 0x0400000, CRC(618c47ae) SHA1(5b69ad36fcf8e70d34c3b2fc71412ce953c5ceb3) )
ROM_REGION( 0x80000, "scsp1", 0 ) /* first SCSP's RAM */
ROM_FILL( 0x000000, 0x80000, 0 )