[Coco] Disto SC add-ons

Roger Taylor operator at coco3.com
Fri Jan 2 00:17:52 EST 2009


At 10:11 PM 1/1/2009, you wrote:
>Roger, Tony did an article on this board for Rainbow, I think it was 
>called "Increasing Character Display" and if I'm not mistaken, it's 
>in "A Full Turn of The Screw" which I've found on the maltedmedia 
>ftp. It gives the CoCo's addresses for the register map - i think it 
>was mapped in such a way that you write the address to the chip via 
>a port, then you read or wrote the data to that location, and so on. 
>It worked with basic and OS-9 - the original C-DOS had the D80 
>ON/OFF commands. I think the one you have supported smooth scrolling 
>(by pixel rather than character). It should be simple enough, with 
>the turn of the screw article, to write a disk basic driver - 
>intercept the RAM Hook for video and route it to the driver. -J.eric



I found the directory of Full Turn of the Screw article archives but 
can't find anything about the Disto SC or add-on cards.  Can you 
point me to the directory or file you're referring to?

Thanks


-- 
Roger Taylor

http://www.wordofthedayonline.com




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