IRQ_SCANLINE_248: // set borders off
    inc $d019
    pushRegisters();
    // wait for raster line 249
    rasterWait(249)
    // change screenmode
    lda $d011 and #$f7  sta $d011
    rasterWait($ff)
    // change screenmode again
    lda $d011 ora #$08 sta $d011
    DisableSprite(0) // make sure there are no overlapping stuff

    interruptSetRasterline(IRQ_SCANLINE_0, $0);
    popRegisters();
    jmp $ea31