static void Init() {
CopListActivate(cp);
EnableDMA(DMAF_BLITTER | DMAF_RASTER | DMAF_BLITHOG);
{
WORD i;
LONG lines = ReadLineCounter();
#if CPULINE == 1
CpuLineSetup(screen, 0);
#else
BlitterLineSetup(screen, 0, LINE_OR|LINE_SOLID);
#endif
for (i = 0; i < screen->width; i += 2) {
#if CPULINE == 1
CpuLine(i, 0, screen->width - 1 - i, screen->height - 1);
#else
BlitterLine(i, 0, screen->width - 1 - i, screen->height - 1);
#endif
}
for (i = 0; i < screen->height; i += 2) {
#if CPULINE == 1
CpuLine(0, i, screen->width - 1, screen->height - 1 - i);
#else
BlitterLine(0, i, screen->width - 1, screen->height - 1 - i);
#endif
}
Log("lines: %ld\n", ReadLineCounter() - lines);
}
}
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;
}