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"All header sizes are valid for all versions from 1.50 on, as long as header has at least 64 bytes. If the VGM data starts at an offset that is lower than 0x100, all overlapping header bytes have to be handled as they were zero." (nw)

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This commit is contained in:
smf- 2018-07-28 01:03:35 +01:00
parent 20b5f5d0e6
commit d289ae98cb
1 changed files with 71 additions and 87 deletions
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158
src/mame/drivers/vgmplay.cpp
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@ -1491,23 +1491,7 @@ QUICKLOAD_LOAD_MEMBER(vgmplay_state, load_file)
uint32_t version = r32(8);
logerror("File version %x.%02x\n", version >> 8, version & 0xff);
uint32_t header_size = 0;
if(version < 0x151)
header_size = 0x40;
else if(version < 0x161)
header_size = 0x80;
else if(version < 0x171)
header_size = 0xc0;
else
header_size = 0x100;
logerror("Header size according to version is %x, header size according to header is %x\n", header_size, r32(0x34) + 0x34);
uint32_t data_start = header_size;
if (version >= 0x150 && r32(0x34))
data_start = r32(0x34) + 0x34;
if (data_start < header_size)
logerror("Warning: data starts within header\n");
uint32_t data_start = version >= 0x150 ? r32(0x34) + 0x34 : 0x40;
// Parse clocks
m_sn76496->set_unscaled_clock(r32(0x0c) & ~0xc0000000);
@ -1526,134 +1510,134 @@ QUICKLOAD_LOAD_MEMBER(vgmplay_state, load_file)
if (version >= 0x110 && (r32(0x30) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd YM2151\n");
m_segapcm->set_unscaled_clock(version >= 0x151 ? r32(0x38) : 0);
m_segapcm->set_bank(version >= 0x151 ? r32(0x3c) : 0);
m_segapcm->set_unscaled_clock(version >= 0x151 && data_start >= 0x3c ? r32(0x38) : 0);
m_segapcm->set_bank(version >= 0x151 && data_start >= 0x40 ? r32(0x3c) : 0);
m_rf5c68->set_unscaled_clock(version >= 0x151 ? r32(0x40) : 0);
m_ym2203[0]->set_unscaled_clock(version >= 0x151 ? r32(0x44) & ~0x40000000 : 0);
m_ym2203[1]->set_unscaled_clock(version >= 0x151 && (r32(0x44) & 0x40000000) ? r32(0x44) & ~0x40000000 : 0);
m_ym2608->set_unscaled_clock(version >= 0x151 ? r32(0x48) & ~0x40000000 : 0);
if (version >= 0x151 && (r32(0x48) & 0x40000000))
m_rf5c68->set_unscaled_clock(version >= 0x151 && data_start >= 0x44 ? r32(0x40) : 0);
m_ym2203[0]->set_unscaled_clock(version >= 0x151 && data_start >= 0x48 ? r32(0x44) & ~0x40000000 : 0);
m_ym2203[1]->set_unscaled_clock(version >= 0x151 && data_start >= 0x48 && (r32(0x44) & 0x40000000) ? r32(0x44) & ~0x40000000 : 0);
m_ym2608->set_unscaled_clock(version >= 0x151 && data_start >= 0x4c ? r32(0x48) & ~0x40000000 : 0);
if (version >= 0x151 && data_start >= 0x4c && (r32(0x48) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd YM2608\n");
if (version >= 0x151 && r32(0x4c))
if (version >= 0x151 && data_start >= 0x50 && r32(0x4c))
logerror("Warning: file requests an unsupported %s\n", r32(0x4c) & 0x80000000 ? "YM2610B" : "YM2610");
m_ym3812->set_unscaled_clock(version >= 0x151 ? r32(0x50) & ~0x40000000 : 0);
if (version >= 0x151 && (r32(0x50) & 0x40000000))
m_ym3812->set_unscaled_clock(version >= 0x151 && data_start >= 0x54 ? r32(0x50) & ~0x40000000 : 0);
if (version >= 0x151 && data_start >= 0x54 && (r32(0x50) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd YM3812\n");
m_ym3526->set_unscaled_clock(version >= 0x151 ? r32(0x54) & ~0x40000000 : 0);
if (version >= 0x151 && (r32(0x54) & 0x40000000))
m_ym3526->set_unscaled_clock(version >= 0x151 && data_start >= 0x58 ? r32(0x54) & ~0x40000000 : 0);
if (version >= 0x151 && data_start >= 0x58 && (r32(0x54) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd YM3526\n");
if(version >= 0x151 && r32(0x58))
if(version >= 0x151 && data_start >= 0x5c && r32(0x58))
logerror("Warning: file requests an unsupported Y8950\n");
if(version >= 0x151 && r32(0x5c))
if(version >= 0x151 && data_start >= 0x60 && r32(0x5c))
logerror("Warning: file requests an unsupported YMF262\n");
if(version >= 0x151 && r32(0x60))
if(version >= 0x151 && data_start >= 0x64 && r32(0x60))
logerror("Warning: file requests an unsupported YMF278B\n");
m_ymf271->set_unscaled_clock(version >= 0x151 ? r32(0x64) & ~0x40000000 : 0);
if (version >= 0x151 && (r32(0x64) & 0x40000000))
m_ymf271->set_unscaled_clock(version >= 0x151 && data_start >= 0x68 ? r32(0x64) & ~0x40000000 : 0);
if (version >= 0x151 && data_start >= 0x68 && (r32(0x64) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd YMF271\n");
m_ymz280b->set_unscaled_clock(version >= 0x151 ? r32(0x68) & ~0x40000000 : 0);
if (version >= 0x151 && (r32(0x68) & 0x40000000))
m_ymz280b->set_unscaled_clock(version >= 0x151 && data_start >= 0x6c ? r32(0x68) & ~0x40000000 : 0);
if (version >= 0x151 && data_start >= 0x6c && (r32(0x68) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd YMZ280B\n");
m_rf5c164->set_unscaled_clock(version >= 0x151 ? r32(0x6c) : 0);
m_rf5c164->set_unscaled_clock(version >= 0x151 && data_start >= 0x70 ? r32(0x6c) : 0);
if(version >= 0x151 && r32(0x70))
if(version >= 0x151 && data_start >= 0x74 && r32(0x70))
logerror("Warning: file requests an unsupported PWM\n");
m_ay8910[0]->set_unscaled_clock(version >= 0x151 ? r32(0x74) & ~0x40000000 : 0);
m_ay8910[1]->set_unscaled_clock(version >= 0x151 && (r32(0x74) & 0x40000000) ? r32(0x74) & ~0x40000000 : 0);
m_ay8910[0]->set_psg_type(vgm_ay8910_type(version >= 0x151 ? r8(0x78) : 0));
m_ay8910[1]->set_psg_type(vgm_ay8910_type(version >= 0x151 ? r8(0x78) : 0));
m_ay8910[0]->set_flags(vgm_ay8910_flags(version >= 0x151 ? r8(0x79) : 0));
m_ay8910[1]->set_flags(vgm_ay8910_flags(version >= 0x151 ? r8(0x79) : 0));
m_ym2203[0]->set_flags(vgm_ay8910_flags(version >= 0x151 ? r8(0x7a) : 0));
m_ym2203[1]->set_flags(vgm_ay8910_flags(version >= 0x151 ? r8(0x7a) : 0));
m_ym2608->set_flags(vgm_ay8910_flags(version >= 0x151 ? r8(0x7b) : 0));
m_ay8910[0]->set_unscaled_clock(version >= 0x151 && data_start >= 0x78 ? r32(0x74) & ~0x40000000 : 0);
m_ay8910[1]->set_unscaled_clock(version >= 0x151 && data_start >= 0x78 && (r32(0x74) & 0x40000000) ? r32(0x74) & ~0x40000000 : 0);
m_ay8910[0]->set_psg_type(vgm_ay8910_type(version >= 0x151 && data_start >= 0x7c ? r8(0x78) : 0));
m_ay8910[1]->set_psg_type(vgm_ay8910_type(version >= 0x151 && data_start >= 0x7c ? r8(0x78) : 0));
m_ay8910[0]->set_flags(vgm_ay8910_flags(version >= 0x151 && data_start >= 0x7a ? r8(0x79) : 0));
m_ay8910[1]->set_flags(vgm_ay8910_flags(version >= 0x151 && data_start >= 0x7a ? r8(0x79) : 0));
m_ym2203[0]->set_flags(vgm_ay8910_flags(version >= 0x151 && data_start >= 0x7b ? r8(0x7a) : 0));
m_ym2203[1]->set_flags(vgm_ay8910_flags(version >= 0x151 && data_start >= 0x7b ? r8(0x7a) : 0));
m_ym2608->set_flags(vgm_ay8910_flags(version >= 0x151 && data_start >= 0x7c ? r8(0x7b) : 0));
m_dmg->set_unscaled_clock(version >= 0x161 ? r32(0x80) & ~0x40000000 : 0);
if (version >= 0x161 && (r32(0x80) & 0x40000000))
m_dmg->set_unscaled_clock(version >= 0x161 && data_start >= 0x84 ? r32(0x80) & ~0x40000000 : 0);
if (version >= 0x161 && data_start >= 0x84 && (r32(0x80) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd DMG\n");
m_nescpu->set_unscaled_clock(version >= 0x161 ? r32(0x84) & ~0x40000000 : 0);
m_nescpu->m_apu->set_unscaled_clock(version >= 0x161 ? r32(0x84) & ~0x40000000 : 0);
if (version >= 0x161 && (r32(0x84) & 0x40000000))
m_nescpu->set_unscaled_clock(version >= 0x161 && data_start >= 0x88 ? r32(0x84) & ~0x40000000 : 0);
m_nescpu->m_apu->set_unscaled_clock(version >= 0x161 && data_start >= 0x88 ? r32(0x84) & ~0x40000000 : 0);
if (version >= 0x161 && data_start >= 0x88 && (r32(0x84) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd NES APU\n");
m_multipcm[0]->set_unscaled_clock(version >= 0x161 ? r32(0x88) & ~0x40000000 : 0);
m_multipcm[1]->set_unscaled_clock(version >= 0x161 && (r32(0x88) & 0x40000000) ? r32(0x88) & ~0x40000000 : 0);
m_multipcm[0]->set_unscaled_clock(version >= 0x161 && data_start >= 0x8c ? r32(0x88) & ~0x40000000 : 0);
m_multipcm[1]->set_unscaled_clock(version >= 0x161 && data_start >= 0x8c && (r32(0x88) & 0x40000000) ? r32(0x88) & ~0x40000000 : 0);
if (version >= 0x161 && r32(0x8c))
if (version >= 0x161 && data_start >= 0x90 && r32(0x8c))
logerror("Warning: file requests an unsupported uPD7759\n");
if (version >= 0x161 && r32(0x90))
if (version >= 0x161 && data_start >= 0x94 && r32(0x90))
logerror("Warning: file requests an unsupported OKIM6258\n");
m_k054539[0]->init_flags(version >= 0x161 ? r8(0x95) : 0);
m_k054539[1]->init_flags(version >= 0x161 ? r8(0x95) : 0);
m_k054539[0]->init_flags(version >= 0x161 && data_start >= 0x96 ? r8(0x95) : 0);
m_k054539[1]->init_flags(version >= 0x161 && data_start >= 0x96 ? r8(0x95) : 0);
m_okim6295_clock[0] = version >= 0x161 ? r32(0x98) & 0xc0000000 : 0;
m_okim6295_clock[1] = version >= 0x161 && (r32(0x98) & 0x40000000) ? r32(0x98) & 0xc0000000 : 0;
m_okim6295_clock[0] = version >= 0x161 && data_start >= 0x9c ? r32(0x98) & 0xc0000000 : 0;
m_okim6295_clock[1] = version >= 0x161 && data_start >= 0x9c && (r32(0x98) & 0x40000000) ? r32(0x98) & 0xc0000000 : 0;
m_okim6295[0]->set_unscaled_clock(m_okim6295_clock[0]);
m_okim6295[1]->set_unscaled_clock(m_okim6295_clock[1]);
m_okim6295_pin7[0] = version >= 0x161 && (r32(0x98) & 0x80000000) ? 1 : 0;
m_okim6295_pin7[1] = version >= 0x161 && (r32(0x98) & 0x40000000) && (r32(0x98) & 0x80000000) ? 1 : 0;
m_okim6295_pin7[0] = version >= 0x161 && data_start >= 0x9c && (r32(0x98) & 0x80000000) ? 1 : 0;
m_okim6295_pin7[1] = version >= 0x161 && data_start >= 0x9c && (r32(0x98) & 0x40000000) && (r32(0x98) & 0x80000000) ? 1 : 0;
m_okim6295[0]->set_pin7(m_okim6295_pin7[0] ? okim6295_device::PIN7_HIGH : okim6295_device::PIN7_LOW);
m_okim6295[1]->set_pin7(m_okim6295_pin7[1] ? okim6295_device::PIN7_HIGH : okim6295_device::PIN7_LOW);
m_k051649->set_unscaled_clock(version >= 0x161 ? r32(0x9c) & ~0x40000000 : 0);
if (version >= 0x161 && (r32(0x9c) & 0x40000000))
m_k051649->set_unscaled_clock(version >= 0x161 && data_start >= 0xa0 ? r32(0x9c) & ~0x40000000 : 0);
if (version >= 0x161 && data_start >= 0xa0 && (r32(0x9c) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd K051649\n");
m_k054539[0]->set_unscaled_clock(version >= 0x161 ? r32(0xa0) & ~0x40000000 : 0);
m_k054539[1]->set_unscaled_clock(version >= 0x161 && (r32(0xa0) & 0x40000000) ? r32(0xa0) & ~0x40000000 : 0);
m_k054539[0]->set_unscaled_clock(version >= 0x161 && data_start >= 0xa4 ? r32(0xa0) & ~0x40000000 : 0);
m_k054539[1]->set_unscaled_clock(version >= 0x161 && data_start >= 0xa4 && (r32(0xa0) & 0x40000000) ? r32(0xa0) & ~0x40000000 : 0);
m_c6280->set_unscaled_clock(version >= 0x161 ? r32(0xa4) & ~0x40000000 : 0);
if (version >= 0x161 && (r32(0xa4) & 0x40000000))
m_c6280->set_unscaled_clock(version >= 0x161 && data_start >= 0xa8 ? r32(0xa4) & ~0x40000000 : 0);
if (version >= 0x161 && data_start >= 0xa8 && (r32(0xa4) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd C6280\n");
if (version >= 0x161 && r32(0x90))
if (version >= 0x161 && data_start >= 0xac && r32(0xa8))
logerror("Warning: file requests an unsupported C140\n");
m_k053260->set_unscaled_clock(version >= 0x161 ? r32(0xac) & ~0x40000000 : 0);
if (version >= 0x161 && (r32(0xac) & 0x40000000))
m_k053260->set_unscaled_clock(version >= 0x161 && data_start >= 0xb0 ? r32(0xac) & ~0x40000000 : 0);
if (version >= 0x161 && data_start >= 0xb0 && (r32(0xac) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd K053260\n");
m_pokey[0]->set_unscaled_clock(version >= 0x161 ? r32(0xb0) & ~0x40000000 : 0);
m_pokey[1]->set_unscaled_clock(version >= 0x161 && (r32(0xb0) & 0x40000000) ? r32(0xb0) & ~0x40000000 : 0);
m_qsound->set_unscaled_clock(version >= 0x161 ? r32(0xb4) * 15 : 0); // * 15 multipler for correct pitch
m_pokey[0]->set_unscaled_clock(version >= 0x161 && data_start >= 0xb4 ? r32(0xb0) & ~0x40000000 : 0);
m_pokey[1]->set_unscaled_clock(version >= 0x161 && data_start >= 0xb4 && (r32(0xb0) & 0x40000000) ? r32(0xb0) & ~0x40000000 : 0);
m_qsound->set_unscaled_clock(version >= 0x161 && data_start >= 0xb8 ? r32(0xb4) * 15 : 0); // * 15 multipler for correct pitch
if (version >= 0x151 && r32(0xb8))
if (version >= 0x151 && data_start >= 0xbc && r32(0xb8))
logerror("Warning: file requests an unsupported SCSP\n");
if (version >= 0x151 && r32(0xc0))
if (version >= 0x151 && data_start >= 0xc4 && r32(0xc0))
logerror("Warning: file requests an unsupported WonderSwan\n");
if (version >= 0x151 && r32(0xc4))
if (version >= 0x151 && data_start >= 0xc8 && r32(0xc4))
logerror("Warning: file requests an unsupported VSU\n");
if (version >= 0x151 && r32(0xc8))
if (version >= 0x151 && data_start >= 0xcc && r32(0xc8))
logerror("Warning: file requests an unsupported SAA1099\n");
if (version >= 0x151 && r32(0xcc))
if (version >= 0x151 && data_start >= 0xd0 && r32(0xcc))
logerror("Warning: file requests an unsupported ES5503\n");
if (version >= 0x151 && r32(0xd0))
if (version >= 0x151 && data_start >= 0xd4 && r32(0xd0))
logerror("Warning: file requests an unsupported %s\n", r32(0xd0) & 0x80000000 ? "ES5506" : "ES5505");
m_c352->set_divider(version >= 0x171 && r8(0xd6) ? r8(0xd6) * 4 : 1);
m_c352->set_divider(version >= 0x171 && data_start >= 0xd7 && r8(0xd6) ? r8(0xd6) * 4 : 1);
m_x1_010->set_unscaled_clock(version >= 0x171 ? r32(0xd8) & ~0x40000000 : 0);
if (version >= 0x171 && (r32(0xd8) & 0x40000000))
m_x1_010->set_unscaled_clock(version >= 0x171 && data_start >= 0xdc ? r32(0xd8) & ~0x40000000 : 0);
if (version >= 0x171 && data_start >= 0xdc && (r32(0xd8) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd X1-010\n");
m_c352->set_unscaled_clock(version >= 0x171 ? r32(0xdc) & ~0x40000000 : 0);
if (version >= 0x171 && (r32(0xd8) & 0x40000000))
m_c352->set_unscaled_clock(version >= 0x171 && data_start >= 0xe0 ? r32(0xdc) & ~0x40000000 : 0);
if (version >= 0x171 && data_start >= 0xe0 && (r32(0xdc) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd C352\n");
m_ga20->set_unscaled_clock(version >= 0x171 ? r32(0xe0) & ~0x40000000 : 0);
if (version >= 0x171 && (r32(0xd8) & 0x40000000))
m_ga20->set_unscaled_clock(version >= 0x171 && data_start >= 0xe4 ? r32(0xe0) & ~0x40000000 : 0);
if (version >= 0x171 && data_start >= 0xe4 && (r32(0xe0) & 0x40000000))
logerror("Warning: file requests an unsupported 2nd GA20\n");
machine().schedule_soft_reset();