HBLANK_B
.hblank = HBLANK_B,
.hblank = HBLANK_B,
int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
pipeb->hblank = PSB_RVDC32(HBLANK_B);
PSB_WVDC32(pipeb->hblank, HBLANK_B);
.hblank = HBLANK_B,