In a message dated 98-01-17 13:28:37 EST, you write: << hmmm really? are you sure you have the right value in h? every program that ive made that uses it works the first time >> yeah...just a program like: AsmPrgm 0601 0E01 1615 1E15 CD514E2601 takes two of the "CD514E2601" lines to draw the line the first time.