Here are misc fixes done by VirtualBox team. With these patches, floppy emulation is now good enough to run Xenix.
Changes v1->v2: - updated commit messages - added missing 'break' and braces - moved patch 8 before patch 6 Hervé Poussineau (10): fdc: take side count into account fdc: set busy bit when starting a command fdc: most control commands do not generate interrupts fdc: emulate stepping 0 fdc: handle read-only floppies (abort early on write commands) fdc: add CCR (Configuration Control Register) write register block: add a transfer rate for floppy types fdc: check if media rate is correct before doing any transfer fdc: fix seek command, which shouldn't check tracks fdc: DIR (Digital Input Register) should return status of current drive... block.c | 74 ++++++++++++++++++++------------------ block.h | 10 +++++- hw/fdc.c | 117 ++++++++++++++++++++++++++++++++++++++++++++++---------------- hw/pc.c | 3 +- 4 files changed, 137 insertions(+), 67 deletions(-) -- 1.7.7.3