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Graphics: VduPoint

Name: VduPoint [Show more] Type: Subroutine Category: Graphics Summary: Draw a point on-screen using the standard VDU routines
Context: See this subroutine in context in the source code References: This subroutine is called as follows: * DrawRivet calls VduPoint

Arguments: X The x-coordinate of the point (0-159) Y The y-coordinate of the point (0-255)
.VduPoint LDA #69 \ Set A = 69 so the following VDU 25 command plots a \ point at an absolute position on-screen BNE VduPlot \ Jump to VduPlot to do the move (this BNE is \ effectively a JMP as A is never zero