Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/NXP Semiconductors/LPC800/GPIO_PORT/DIR0#0x0
Direction registers port 0
Selects pin direction for pin P0_n (bit 0 = P0_0, bit 1 = P0_1, …, bit 17 = P0_17). 0 = input. 1 = output.
Reserved.
https://github.com/cmsis-svd/cmsis-svd-data