English Amiga Board - View Single Post - Determining DFn: boot device in bootblock

Keir · 26 October 2018, 15:39

Hi,

My problem is to write a custom bootblock which can determine which floppy unit number it was loaded from. Equivalently, to determine which floppy unit number the trackdisk.device IOReq passed in register a1 is associated with.

Any ideas?

Cheers!
Keir

26 October 2018, 15:39	#1
Keir Registered User Join Date: May 2011 Location: Cambridge Posts: 682	Determining DFn: boot device in bootblock Hi, My problem is to write a custom bootblock which can determine which floppy unit number it was loaded from. Equivalently, to determine which floppy unit number the trackdisk.device IOReq passed in register a1 is associated with. Any ideas? Cheers! Keir