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Drawing lines: DVLOIN

[Apple II version]

Name: 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
.DVLOIN STA X1 ; Draw a vertical line from (A, GCYT) to (A, GCYB) LDA #GCYT STA Y1 LDA #GCYB STA Y2 JMP VLOIN