This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | |||
articles:iicplus_smartport_secrets [2018/06/26 18:18] M.G. |
articles:iicplus_smartport_secrets [2018/07/05 15:17] (current) M.G. [The 3.5 Floppy Format] |
||
---|---|---|---|
Line 31: | Line 31: | ||
Unlike the 5.25%%"%% floppy address header, the 3.5%%"%% floppy address header is coded in 6&2 format and can be decoded from the standard nibble table.. E.g. if SS contains $96, the address is for sector 0, if it contains $97, the address is for sector 1. | Unlike the 5.25%%"%% floppy address header, the 3.5%%"%% floppy address header is coded in 6&2 format and can be decoded from the standard nibble table.. E.g. if SS contains $96, the address is for sector 0, if it contains $97, the address is for sector 1. | ||
+ | |||
+ | The 699 disk bytes encode a 12-byte sector tag + 512 data bytes. | ||
===== The 5.25 Floppy Format ===== | ===== The 5.25 Floppy Format ===== |