HF_ACT_PM
SCR_REG_REG (sfbr, SCR_XOR, HF_ACT_PM),
SCR_JUMP ^ IFTRUE (MASK (HF_ACT_PM, HF_ACT_PM)),
hflags ^= HF_ACT_PM;
if (!(hflags & HF_ACT_PM)) {
hflags ^= HF_ACT_PM;
if (!(hflags & HF_ACT_PM)) {