23 lines
998 B
Forth
23 lines
998 B
Forth
# Serial Port
|
|
|
|
This was adapted from the RETRO9 serial driver. To use it,
|
|
set the `serial:Port` variable to the port you want to use.
|
|
Then do `serial:init` and read/write as necessary.
|
|
|
|
~~~
|
|
#1016 'serial:COM1 const
|
|
#760 'serial:COM2 const
|
|
#1000 'serial:COM3 const
|
|
#744 'serial:COM4 const
|
|
serial:COM1 'serial:Port var<n>
|
|
|
|
:serial:received? @serial:Port #5 + pio:in-byte #1 and n:-zero? ;
|
|
:serial:empty? @serial:Port #5 + pio:in-byte #32 and n:-zero? ;
|
|
:serial:read serial:received? [ @serial:Port pio:in-byte ] if; serial:read ;
|
|
:serial:write serial:empty? [ @serial:Port pio:out-byte ] if; serial:write ;
|
|
:serial:send [ serial:write ] s:for-each ;
|
|
:serial:init #0 @serial:Port #1 + pio:out-byte #128 @serial:Port #3 + pio:out-byte
|
|
#3 @serial:Port pio:out-byte #0 @serial:Port #1 + pio:out-byte
|
|
#3 @serial:Port #3 + pio:out-byte #199 @serial:Port #2 + pio:out-byte
|
|
#11 @serial:Port #4 + pio:out-byte ;
|
|
~~~
|