83Plus:BCALLs:4D95

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Synopsis

Unofficial Name: VerticalLine

BCALL Address: 4D95

Draws a vertical line across the entire screen.

Inputs

  • B: y-coordinate of line (0 being the left edge of the screen)
  • (lcdTallP): height of screen in pixels (64 by default)

Outputs

  • None

Destroys

  • BC,DE

Comments

This is probably the BASIC "Vertical " command. It will refuse to draw into the bottom row of the screen.