All you need to make the new HID loader work with PBP is DEFINE RESET_ORG 1000h.

If you're using both high-pri & low-pri interrupts, then just use the interrupt DEFINEs.

Example:

DEFINE INTHAND High-Pri
DEFINE INTLHAND Low-Pri

PBP will automatically take care of it for you with ORG RESET_ORG + 8 for the high priority
jump, and ORG RESET_ORG + 18h for the low priority jump.

At 0x1008 PBP inserts GOTO High-Pri, and at 0x1018 GOTO Low-Pri.

If you're not using interrupts all you need is the DEFINE RESET_ORG 1000h.