factor/extra/lcd/lcd.factor

20 lines
539 B
Factor
Executable File

USING: sequences kernel math io ;
IN: lcd
: lcd-digit ( row digit -- str )
dup CHAR: : = [ drop 10 ] [ CHAR: 0 - ] if swap {
" _ _ _ _ _ _ _ _ "
" | | | _| _| |_| |_ |_ | |_| |_| * "
" |_| | |_ _| | _| |_| | |_| | * "
} nth >r 4 * dup 4 + r> subseq ;
: lcd-row ( num row -- string )
[ swap lcd-digit ] curry { } map-as concat ;
: lcd ( digit-str -- string )
3 [ lcd-row ] with map "\n" join ;
: lcd-demo ( -- ) "31337" lcd print ;
MAIN: lcd-demo