static void InitWaveScope() {
WORD i, j;
BitmapT *bm;
for (i = 0; i < 4; i++) {
memset(&wavescope.channel[i], 0, sizeof(WaveScopeChanT));
wavescope.channel[i].bm = NewBitmap(64, 64, 1);
}
for (i = 0; i < 64; i++) {
for (j = 0; j < 128; j++) {
WORD index = (i << 8) | j;
WORD x = (j * (i + 1)) >> 4;
wavescope.multab[index] = x;
}
for (; j < 255; j++) {
WORD index = (i << 8) | j;
WORD x = ((255 - j) * (i + 1)) >> 4;
wavescope.multab[index] = x;
}
}
bm = NewBitmap(64, 32, 1);
BlitterLineSetup(bm, 0, LINE_EOR, LINE_ONEDOT);
BlitterLine(32, 0, 1, 31);
BlitterLine(32, 0, 63, 31);
BlitterFill(bm, 0);
WaitBlitter();
((BYTE *)bm->planes[0])[4] = 0x80;
wavescope.spans = bm;
}
static void Render() {
// LONG lines = ReadLineCounter();
{
BlitterClear(screen, active);
DrawSpans(screen->planes[active]);
BlitterFill(screen, active);
}
// Log("anim: %ld\n", ReadLineCounter() - lines);
WaitVBlank();
{
WORD n = DEPTH;
while (--n >= 0) {
WORD i = (active + n + 1 - DEPTH) % (DEPTH + 1);
if (i < 0)
i += DEPTH + 1;
CopInsSet32(bplptr[n], screen->planes[i]);
}
}
active = (active + 1) % (DEPTH + 1);
}
