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Diffstat (limited to 'src/devices/machine/idectrl.cpp')
-rw-r--r--src/devices/machine/idectrl.cpp22
1 files changed, 13 insertions, 9 deletions
diff --git a/src/devices/machine/idectrl.cpp b/src/devices/machine/idectrl.cpp
index 45f6ab6f703..b8157820ab4 100644
--- a/src/devices/machine/idectrl.cpp
+++ b/src/devices/machine/idectrl.cpp
@@ -284,20 +284,25 @@ void bus_master_ide_controller_device::set_dmarq(int state)
READ32_MEMBER( bus_master_ide_controller_device::bmdma_r )
{
- LOG("%s:ide_bus_master32_r(%d, %08x)\n", machine().describe_context(), offset, mem_mask);
-
+ uint32_t result = 0;
switch( offset )
{
case 0:
/* command register/status register */
- return m_bus_master_command | (m_bus_master_status << 16);
-
+ result = m_bus_master_command | (m_bus_master_status << 16);
+ break;
case 1:
/* descriptor table register */
- return m_bus_master_descriptor;
+ result = m_bus_master_descriptor;
+ break;
+ default:
+ result = 0xffffffff;
+ break;
}
- return 0xffffffff;
+ LOG("%s:ide_bus_master32_r(%d, %08x, %08x)\n", machine().describe_context(), offset, mem_mask, result);
+
+ return result;
}
@@ -396,8 +401,7 @@ void bus_master_ide_controller_device::execute_dma()
m_dma_bytes_left &= 0xfffe;
if (m_dma_bytes_left == 0)
m_dma_bytes_left = 0x10000;
-
-// LOG("New DMA descriptor: address = %08X bytes = %04X last = %d\n", m_dma_address, m_dma_bytes_left, m_dma_last_buffer);
+ LOG("New DMA descriptor: address = %08X bytes = %04X last = %d time: %s\n", m_dma_address, m_dma_bytes_left, m_dma_last_buffer, machine().time().as_string());
}
if (m_bus_master_command & 8)
@@ -424,7 +428,7 @@ void bus_master_ide_controller_device::execute_dma()
if (m_dma_bytes_left == 0 && m_dma_last_buffer)
{
m_bus_master_status &= ~IDE_BUSMASTER_STATUS_ACTIVE;
-
+ LOG("DMA Complete time: %s\n", machine().time().as_string());
if (m_dmarq)
{
LOG("DMA Out of buffer space!\n");