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atahle.c: ultra dma modes shuld be useable now (nw)

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This commit is contained in:
yz70s 2015-10-11 16:27:44 +02:00
parent f84a93d881
commit da8ef95cd7
2 changed files with 14 additions and 3 deletions
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15
src/devices/machine/atahle.c
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@ -346,16 +346,19 @@ int ata_hle_device::bit_to_mode(UINT16 word)
return -1;
}
// Return the currently selected single word dma mode, -1 if none selected
int ata_hle_device::single_word_dma_mode()
{
return bit_to_mode(m_identify_buffer[62]);
}
// Return the currently selected multi word dma mode, -1 if none selected
int ata_hle_device::multi_word_dma_mode()
{
return bit_to_mode(m_identify_buffer[63]);
}
// Return the currently selected ultra dma mode, -1 if none selected
int ata_hle_device::ultra_dma_mode()
{
return bit_to_mode(m_identify_buffer[88]);
@ -459,7 +462,7 @@ void ata_hle_device::read_buffer_empty()
m_status &= ~IDE_STATUS_DRQ;
if (multi_word_dma_mode() >= 0)
if ((multi_word_dma_mode() >= 0) || (ultra_dma_mode() >= 0))
set_dmarq(CLEAR_LINE);
fill_buffer();
@ -471,7 +474,7 @@ void ata_hle_device::write_buffer_full()
m_status &= ~IDE_STATUS_DRQ;
if (multi_word_dma_mode() >= 0)
if ((multi_word_dma_mode() >= 0) || (ultra_dma_mode() >= 0))
set_dmarq(CLEAR_LINE);
process_buffer();
@ -547,6 +550,10 @@ UINT16 ata_hle_device::read_dma()
{
logerror( "%s: %s dev %d read_dma ignored (!DMARQ)\n", machine().describe_context(), tag(), dev() );
}
else if (!m_dmarq && ultra_dma_mode() >= 0)
{
logerror("%s: %s dev %d read_dma ignored (!DMARQ)\n", machine().describe_context(), tag(), dev());
}
else if (m_status & IDE_STATUS_BSY)
{
logerror( "%s: %s dev %d read_dma ignored (BSY)\n", machine().describe_context(), tag(), dev() );
@ -767,6 +774,10 @@ void ata_hle_device::write_dma( UINT16 data )
{
logerror( "%s: %s dev %d write_dma %04x ignored (!DMARQ)\n", machine().describe_context(), tag(), dev(), data );
}
else if (!m_dmarq && ultra_dma_mode() >= 0)
{
logerror("%s: %s dev %d write_dma %04x ignored (!DMARQ)\n", machine().describe_context(), tag(), dev(), data);
}
else if (m_status & IDE_STATUS_BSY)
{
logerror( "%s: %s dev %d write_dma %04x ignored (BSY)\n", machine().describe_context(), tag(), dev(), data );

2
src/devices/machine/idehd.c
View File

@ -149,7 +149,7 @@ void ata_mass_storage_device::ide_build_identify_device()
m_identify_buffer[85] = 0x00; /* 85: command set/feature enabled */
m_identify_buffer[86] = 0x00; /* 86: command set/feature enabled */
m_identify_buffer[87] = 0x00; /* 87: command set/feature default */
m_identify_buffer[88] = 0x00; /* 88: additional DMA modes */
m_identify_buffer[88] = 0x00; /* 88: additional DMA modes (ultra dma) */
m_identify_buffer[89] = 0x00; /* 89: time required for security erase unit completion */
m_identify_buffer[90] = 0x00; /* 90: time required for enhanced security erase unit completion */
m_identify_buffer[91] = 0x00; /* 91: current advanced power management value */