3b1emu / file revision

doc/3B1 Memory Map.ods@feb84193a43a

doc/3B1 Memory Map.ods

Tue, 14 Dec 2010 02:41:40 +0000

author
Philip Pemberton <philpem@philpem.me.uk>
date
Tue, 14 Dec 2010 02:41:40 +0000
changeset 57
feb84193a43a
parent 55
ba6b8e570062
child 84
0d903718da81
permissions
-rw-r--r--

add CHS param checking (FDC), fix DMA address setting (DMA_XFER)

* Floppy controller wasn't checking CHS values. Fixed.
* DMA ADDRESS COUNT register was implemented completely wrong -- shifts and ANDmasks were wrong. Fixed.

Boot PROM and Loader now run to the point of booting the kernel!

     1 (binary:application/vnd.oasis.opendocument.spreadsheet)