From: Shawn Jefferson (sjefferson_at_sd62.bc.ca)
Date: 2002-10-29 17:23:25
>>> Christian Groessler <cpg_at_aladdin.de> 10/28/02 02:40PM >>> >I will try the code and see how it works. This is still SpartaDOS >specific, I wonder whether there is a non DOS-dependent way... Here is some more info from c.s.a.8 if you are not watching the thread (again from Stefan Dorndorf, this guy seems to know his disk drives!): >The 1050 sets Bit 7 in $2EA, if the disk is enhanced density. So you >get the following table for density checking: > >Bit 7 Bit 5 Density >0 0 Single >1 0 Enhnaced (Medium) >0 1 Double > >This works with most drives. Some drives need sector 1 to be read >before the status command delivers the correct density of the inserted >disk. But this doesn't work with the XF551. The best way to do a >density check on the XF551 is to read sector 4 via SIO with $303 set >to zero (this is to avoid checksum errors, if the sector length in >$308/9 isn't correct (128 or 256 ?)). Hope that helps! ---------------------------------------------------------------------- To unsubscribe from the list send mail to majordomo_at_musoftware.de with the string "unsubscribe cc65" in the body(!) of the mail.
This archive was generated by hypermail 2.1.3 : 2002-10-29 17:24:20 CET