Description:
Northstar microcomputer users.
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Boot Rom listing.. for those interested
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; North-Star MDS-A disk boot rom disassembly
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E900 31 14 21 LXI S,$2114 ; Set stack
E903 06 0A MVI B,$0A ; Set retry count (10)
E905 C5 PUSH B ; [2112] = Retry count
E906 3E 59 MVI A,$59 ; Get flag value
E908 32 00 20 STA $2000 ; Set flag1... more »
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looking for s/w for the Northstar Dimension
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I have a set of disk that came w/a ringed binder, but I don't have anything running at the moment to attempt and image them. Soon hopefully. Will these disks image readily w/a 486/pentium box and ImageDisk?
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N* Horizon help
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I have been fortunate enough to have been given a NorthStar Horizon. I am fairly familiar with older computer systems and did what tests I could without any disks. The unit appears fully functional as far as I have been able to test it, but I have no disks for it. My system is configured with the original Northstar CPU card and double density... more »
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N* Horizon
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I am back on line and working on my N* Horizon. I have been able to get it running. The CPU "ZPB-A2" is working. I added the PROM Option but I am having problems with Keyboard Input. I started with Dave Dunfields ROM only Monitor and have added some TRACE [OUT 2's with A set to a Letter] Instructions to it and deduced where the Code is... more »
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Punch to create hard sectored disk
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Hi We are in the process of making a punch to make the 10 hole hard sectored disk ( 5.25 ). We will be making a number of these punches. The more we make the cheaper they will be. We expect the cost to be around $35 plus some small hardware ( screws and such ). We expect to be making a smaller run of 16 hole punches.... more »
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Forklift safety video
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In these current times in, it is nice to know that many workplaces have taken measures to insure the safety of their employee’s times of an emergency. The law states that employers are required to make available adequate safety equipment, training, and other items needed to reduce the risk of injury to their employees. If your employer... more »
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FUCK ME
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ELECTRICAL FIRE
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. Welcome to: >>> [link] <<< . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . electrical fire electrical wire fire damage fire rated electrical bus duct fire resistive electrical busway systems... more »
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