diff --git a/include/arm11/interrupt.h b/include/arm11/interrupt.h
index 407f396..280d2c5 100644
--- a/include/arm11/interrupt.h
+++ b/include/arm11/interrupt.h
@@ -21,6 +21,8 @@
 	IRQ_MPCORE_SW13 = 13,
 	IRQ_MPCORE_SW14 = 14,
 	IRQ_MPCORE_SW15 = 15,
+	IRQ_PDC0        = 42, // aka VBlank0
+	IRQ_PDC1        = 43, // aka VBlank1
 	IRQ_PXI_SYNC    = 80,
 	IRQ_MCU_HID     = 113
 } Interrupt;