.DVLOIN STA X1 ; Draw a vertical line from (A, GCYT) to (A, GCYB) LDA #GCYT STA Y1 LDA #GCYB STA Y2 JMP VLOINName: DVLOIN [Show more] Type: Subroutine Category: Drawing lines Summary: Draw a vertical line from (A, GCYT) to (A, GCYB)Context: See this subroutine in context in the source code References: This subroutine is called as follows: * TT22 calls DVLOIN
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Configuration variable GCYB = GCYT + 0.75*128
The y-coordinate of the bottom of the Long-range chart
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Configuration variable GCYT = 19
The y-coordinate of the top of the Long-range Chart
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Subroutine VLOIN (category: Drawing lines)
Draw a vertical line from (X1, Y1) to (X1, Y2)