summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/isa/omti8621.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/isa/omti8621.cpp')
-rw-r--r--src/devices/bus/isa/omti8621.cpp21
1 files changed, 15 insertions, 6 deletions
diff --git a/src/devices/bus/isa/omti8621.cpp b/src/devices/bus/isa/omti8621.cpp
index 4c6225baa9f..e9c80e126d3 100644
--- a/src/devices/bus/isa/omti8621.cpp
+++ b/src/devices/bus/isa/omti8621.cpp
@@ -253,8 +253,15 @@ void omti8621_device::device_add_mconfig(machine_config &config)
m_fdc->intrq_wr_callback().set(FUNC(omti8621_device::fdc_irq_w));
m_fdc->drq_wr_callback().set(FUNC(omti8621_device::fdc_drq_w));
FLOPPY_CONNECTOR(config, m_floppy[0], pc_hd_floppies, "525hd", omti8621_device::floppy_formats);
-// Apollo workstations never have more then 1 floppy drive
-// FLOPPY_CONNECTOR(config, m_floppy[1], pc_hd_floppies, nullptr, omti8621_device::floppy_formats);
+ FLOPPY_CONNECTOR(config, m_floppy[1], pc_hd_floppies, nullptr, omti8621_device::floppy_formats);
+}
+
+void omti8621_apollo_device::device_add_mconfig(machine_config &config)
+{
+ omti8621_device::device_add_mconfig(config);
+
+ // Apollo workstations never have more then 1 floppy drive
+ config.device_remove(OMTI_FDC_TAG":1");
}
const tiny_rom_entry *omti8621_device::device_rom_region() const
@@ -1326,8 +1333,7 @@ void omti8621_device::fd_moten_w(uint8_t data)
m_moten = data;
- if (!BIT(data, 2))
- m_fdc->soft_reset();
+ m_fdc->reset_w(!BIT(data, 2));
for (int i = 0; i < 2; i++)
{
@@ -1342,8 +1348,11 @@ void omti8621_device::fd_moten_w(uint8_t data)
void omti8621_device::fd_rate_w(uint8_t data)
{
- // Bit 1 = FD_MINI (TODO)
- // Bit 0 = FD_RATE (TODO)
+ // Bit 1 = FD_MINI (connects to pin 3 of FDC9239)
+ // Bit 0 = FD_RATE (inverted output connects to pin 4 of 74F163)
+ u32 fdc_clk = (48_MHz_XTAL / (BIT(data, 0) ? 5 : 3) / (BIT(data, 1) ? 4 : 2)).value();
+ m_fdc->set_unscaled_clock(fdc_clk);
+ m_fdc->set_rate(fdc_clk / 16);
}
void omti8621_device::fd_extra_w(uint8_t data)