X_end = $04
    Y_end = $05
    X_pos = $FC
    Y_pos = $FB
    ;;for testing stuff
    Y_pos_ = $0D
    X_pos_ = $0E
    Y_end_ = $10
    X_end_ = $11
    LDA #$d0
    STA X_pos_
    LDA #$60
    STA Y_pos_
    LDA #$ff
    STA X_end
    LDA #$0
    STA Y_end

;; Short test for timing
time_start

@loop:;; mem f1
    LDA Y_pos_
    STA Y_pos
    LDA X_pos_
    STA X_pos

    jsr line
    INC Y_end
    LDA Y_end
    CMP #$90
    BEQ end__
    jmp @loop
end__:
time_stop
jmp exit

.include "line.s"