From 67d25d837ac55f28a366c0a3b262e439a6e75fc3 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Sat, 19 Aug 2017 12:15:28 +0200 Subject: Add AmForth --- amforth-6.5/avr8/words/swap.asm | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 amforth-6.5/avr8/words/swap.asm (limited to 'amforth-6.5/avr8/words/swap.asm') diff --git a/amforth-6.5/avr8/words/swap.asm b/amforth-6.5/avr8/words/swap.asm new file mode 100644 index 0000000..c54cdcd --- /dev/null +++ b/amforth-6.5/avr8/words/swap.asm @@ -0,0 +1,16 @@ +; ( n1 n2 -- n2 n1) +; Stack +; swaps the two top level stack cells +VE_SWAP: + .dw $ff04 + .db "swap" + .dw VE_HEAD + .set VE_HEAD = VE_SWAP +XT_SWAP: + .dw PFA_SWAP +PFA_SWAP: + movw temp0, tosl + loadtos + st -Y, temp1 + st -Y, temp0 + jmp_ DO_NEXT -- cgit v1.2.3