LZ: A little help needed

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LZ: A little help needed

Well i need a little help using the line algorthim to draw lines... can anyone 
help my problem is as follows:


when you use the starting points for the line algorithim are the numbers in 
hex? ex. $2020 is that the point 20,20 or do you need $07E4 for the point 
20,20.... also how are 3 digit x values plotted?  In the documentation for the 
line program the value $5430 is stored in de...


i am using the points stored as followed


.dw $2020,$2030 (this along with a routine to call the first in hl and the 
second in de, to draw the line 20,20--> 20,30 ...)


Is this right?