RX1?   RX1   TX1   RX0?   RX0   TX0

rx1? ( -- f )

Specific Flash Forth

Leave true if the UART1 receive buffer is not empty.

rx1 ( -- c )

Specific Flash Forth

Receive a character from UART1. Buffered by an interrupt-driven queue.

tx1 ( c -- )

Specific Flash Forth

Send character to UART1. Buffered via an interrupt driven queue.

rx0? ( -- f )

Specific Flash Forth

Leave true if the UART0 receive buffer is not empty.

rx0 ( -- c )

Specific Flash Forth

Receive a character from UART0 on ATmega.

tx0 ( c -- )

Specific Flash Forth

Send a character via UART0 on ATmega.