http://tech.groups.yahoo.com/group/TRS-80/ TRS-80 Radio Shack Computers Sat, 21 Nov 2009 00:27:47 GMT Neil Morrison http://tech.groups.yahoo.com/group/TRS-80/message/3690 http://tech.groups.yahoo.com/group/TRS-80/message/3690 Here are the first 10 of ThumpNugget's scans of Softside magazine. If you don't understand Rapidshare, always select the 'Free' options. I'll post the rest as Thu, 19 Nov 2009 09:09:52 GMT Leslie Ayling http://tech.groups.yahoo.com/group/TRS-80/message/3689 http://tech.groups.yahoo.com/group/TRS-80/message/3689 Hi Andrew, ... If you are keen to stick with 74XX logic, a 74LS74 flip flop and a 74LS14 inverter will do. You'll need to bring the 2/4MHz clock out to the Thu, 19 Nov 2009 00:18:17 GMT jaquinn2001 http://tech.groups.yahoo.com/group/TRS-80/message/3688 http://tech.groups.yahoo.com/group/TRS-80/message/3688 Hi Leslie, Thanks for the comment on the timing. Do you have any recommendations on an efficient way to add the delay on the RD and WR lines. The ideal would Wed, 18 Nov 2009 08:37:43 GMT redskulldc http://tech.groups.yahoo.com/group/TRS-80/message/3687 http://tech.groups.yahoo.com/group/TRS-80/message/3687 Hi Andrew, et al. ... Design as it is doesn't meet the timing specs for CF cards. Address lines need to be stable and Select asserted for a minimum of 60ns Wed, 18 Nov 2009 02:29:19 GMT CraigAW http://tech.groups.yahoo.com/group/TRS-80/message/3686 http://tech.groups.yahoo.com/group/TRS-80/message/3686 Had lunch with Don French today. He is doing well. We had a great discussion of the old days when I hired him as a young man in High School to work in the La Mon, 16 Nov 2009 01:51:45 GMT jaquinn2001 http://tech.groups.yahoo.com/group/TRS-80/message/3685 http://tech.groups.yahoo.com/group/TRS-80/message/3685 Hi Leslie, Can you explain why you are interested in an image? Unfortunately the TRS-80 doesn't boot directly from the hard drive so you still need a boot Sun, 15 Nov 2009 13:55:08 GMT Knut http://tech.groups.yahoo.com/group/TRS-80/message/3684 http://tech.groups.yahoo.com/group/TRS-80/message/3684 ... Ok, I remembered wrong or made bad assumptions, sorry. So this is not why the interface is picky on drives. ... Yes, we need 256 byte sectors for the DOS Sun, 15 Nov 2009 07:19:00 GMT redskulldc http://tech.groups.yahoo.com/group/TRS-80/message/3683 http://tech.groups.yahoo.com/group/TRS-80/message/3683 Hi Andrew, et al. Don't suppose that one of you guys with a working HD using this IDE interface could possibly make a HD disk image and upload it? Easy under Sun, 15 Nov 2009 07:14:03 GMT redskulldc http://tech.groups.yahoo.com/group/TRS-80/message/3682 http://tech.groups.yahoo.com/group/TRS-80/message/3682 Hi All, CBtrs80 interface for the Model-1 now supports Larry Campanell's Model-1 version of Andrew Quinn's IDE interface. CBtrs80.zip in the files section for Sun, 15 Nov 2009 07:09:20 GMT http://tech.groups.yahoo.com/group/TRS-80/message/3681 http://tech.groups.yahoo.com/group/TRS-80/message/3681 Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the TRS-80 group. File : /CBtrs80.zip Sat, 14 Nov 2009 18:30:58 GMT jaquinn2001 http://tech.groups.yahoo.com/group/TRS-80/message/3680 http://tech.groups.yahoo.com/group/TRS-80/message/3680 Hi Knut It's sure been a while... I do read all the posts that go through here but have had very little time to play with the TRS-80's in the last year or so. Sat, 14 Nov 2009 11:02:54 GMT Knut http://tech.groups.yahoo.com/group/TRS-80/message/3679 http://tech.groups.yahoo.com/group/TRS-80/message/3679 Hello Mike and Andrew Well, I have been thinking about this for a long time too. Discussing it in the forums and with you Andrew before. I don't need an IDE Sat, 14 Nov 2009 07:11:17 GMT mike http://tech.groups.yahoo.com/group/TRS-80/message/3678 http://tech.groups.yahoo.com/group/TRS-80/message/3678 yes its been a long time for me 2... Fri, 13 Nov 2009 21:36:10 GMT jaquinn2001 http://tech.groups.yahoo.com/group/TRS-80/message/3677 http://tech.groups.yahoo.com/group/TRS-80/message/3677 Hi Mike, Are you building my original design from http://www.qsl.net/zl1wjq/trside1.htm ? I did start on LDOS 5.xx drivers but it was a long time ago. Give me Thu, 12 Nov 2009 19:09:13 GMT mike http://tech.groups.yahoo.com/group/TRS-80/message/3676 http://tech.groups.yahoo.com/group/TRS-80/message/3676 has any one made ldos 5.xx drvers for this? got my working by ch out u3 to a 7404(the 74ls04 do not have the balls to pull ext sel low)have try to mod the