heathzenith/z37_fdc.cpp: Fix HDOS 2.0 INIT (disk formatting) (#12535)

mamedev · Jul 4, 2024 · bcb1756 · bcb1756
1 parent 5a863b3
commit bcb1756
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/mame/heathzenith/z37_fdc.cpp b/src/mame/heathzenith/z37_fdc.cpp
@@ -209,6 +209,8 @@ void heath_z37_fdc_device::device_add_mconfig(machine_config &config)
 	FD1797(config, m_fdc, 16_MHz_XTAL / 16);
 	m_fdc->intrq_wr_callback().set(FUNC(heath_z37_fdc_device::set_irq));
 	m_fdc->drq_wr_callback().set(FUNC(heath_z37_fdc_device::set_drq));
+	// Z-89-37 schematics show the ready line tied high.
+	m_fdc->set_force_ready(true);
 
 	FLOPPY_CONNECTOR(config, m_floppies[0], z37_floppies, "qd", floppy_image_device::default_mfm_floppy_formats);
 	m_floppies[0]->enable_sound(true);