From 2f83a0bea9da444e3d70569eba3d6847ca02be03 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Fri, 21 Sep 2018 21:59:17 +0200 Subject: ... --- forth/forth/avr/see.fs | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 forth/forth/avr/see.fs (limited to 'forth/forth/avr/see.fs') diff --git a/forth/forth/avr/see.fs b/forth/forth/avr/see.fs new file mode 100644 index 0000000..a1c2deb --- /dev/null +++ b/forth/forth/avr/see.fs @@ -0,0 +1,77 @@ +\ ********************************************************************* +\ Filename: see.txt * +\ Date: 20.03.2017 * +\ FF Version: 5.0 * +\ MCU: Atmega * +\ Copyright: Mikael Nordman * +\ Author: Mikael Nordman * +\ ********************************************************************* +\ FlashForth is licensed acording to the GNU General Public License* +\ ********************************************************************* +-see +marker -see +hex ram +: *@ dup @ ; +: u.4 4 u.r ; +: *@+ dup cell+ @ u.4 ; +: 5sp 5 spaces ; +: @braddr ( addr -- addr xt-addr ) + *@ fff and dup 800 and + if f800 or then 2* over + cell+ ; +: @xtaddr ( addr -- addr xt-addr ) + dup cell+ @ xa> ; +: .rjmp ( addr -- addr+2 ) @braddr u.4 cell+ ; +: .br ( addr -- addr+2 ) + *@ 3 rshift 7f and dup 40 and + if ff80 or then 2* over + cell+ u.4 cell+ ; +: .reg ( addr -- addr ) + dup @ 4 rshift 1f and ." r" decimal 2 u.r hex cell+ ; +: .ldi ( addr -- addr ) + *@ dup 4 rshift dup 000f and 0010 + + ." r" decimal 2 u.r hex + 00f0 and swap 000f and + 2 u.r cell+ ; +: ?call ( addr -- addr f ) *@ fe0e and 940e - ; +: ?ret ( addr -- addr f ) *@ 9508 - ; +: ?rcall ( addr -- addr f ) *@ f000 and d000 - ; +: ?jmp ( addr -- addr f ) *@ fe0e and 940c - ; +: ?rjmp ( addr -- addr f ) *@ f000 and c000 - ; +: ?breq ( addr -- addr f ) *@ fc07 and f001 - ; +: ?brne ( addr -- addr f ) *@ fc07 and f401 - ; +: ?brcc ( addr -- addr f ) *@ fc07 and f400 - ; +: ?pop ( addr -- addr f ) *@ fe0f and 900f - ; +: ?push ( addr -- addr f ) *@ fe0f and 920f - ; +: ?st-y ( addr -- addr f ) *@ fe0f and 920a - ; +: ?ldy+ ( addr -- addr f ) *@ fe0f and 9009 - ; +: ?ijmp ( addr -- addr f ) *@ 9409 - ; +: ?ldi ( addr -- addr f ) *@ f000 and e000 - ; +: (see) ( addr -- addr' | false ) + dup u.4 + *@ u.4 + ?call 0= if *@+ ." call " @xtaddr c>n .id cell+ cell+ else + ?rcall 0= if 5sp ." rcall " @braddr c>n .id cell+ else + ?breq 0= if 5sp ." breq " .br else + ?brne 0= if 5sp ." brne " .br else + ?brcc 0= if 5sp ." brcc " .br else + ?rjmp 0= if 5sp ." rjmp " .rjmp else + ?ijmp 0= if 5sp ." ijmp" drop false else + ?ret 0= if 5sp ." ret" drop false else + ?jmp 0= if *@+ ." jmp " @xtaddr c>n .id drop false else + ?pop 0= if 5sp ." pop " .reg else + ?push 0= if 5sp ." push " .reg else + ?ldy+ 0= if 5sp ." ld " .reg ." y+" else + ?st-y 0= if 5sp ." st -y " .reg else + ?ldi 0= if 5sp ." ldi " .ldi else + cell+ + then then then then then + then then then then then + then then then then + cr ; + +: dis ( addr -- ) + hex cr + begin (see) dup 0= + until drop ; + +: see ( "word" -- ) ' dis ; +hex ram + -- cgit v1.2.3