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