"Lee Fastenau" <stella@xxxxxxxxxxxxxxx> wrote:
>And it has spoken! Stunning. Have you been working on this for very long?
Conceptually, planning out how to do the kernel, a couple years. Actual
code, a couple weeks. :)
>That may answer a nagging question I had... Is there no way to conceal the
>HMOVE artifacts on the left edge of the screen?
Nope. You can't use any object to cover up the HMOVE blank area - the
TIA"s entire output, even COLUBK, is suppressed. One way around it is to
HMOVE on every single line whether you need to or not; that makes an
entire column of black so there aren't any visual artifacts. River Raid
does this.
Another, more exotic, way is to call HMOVE at the *end* of the previous
scanline rather than the beginning as you're supposed to. That shifts the
HMOVE blank leftwards off the visible screen. I might eventually try to
do this, though the timing would be quite tricky.
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