uart_hex16

Updated: April 19, 2023

Output a 16-bit hex number to the UART (x86 only)

Description:

This assembly call outputs a 16-bit hex number to the UART. The function is set up for a 16-bit real-mode environment. This function is supported only for x86 platforms.

On entry:

DX
UART base port.
AX
Value to output.