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/sp0.asm | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 amforth-6.5/avr8/words/sp0.asm (limited to 'amforth-6.5/avr8/words/sp0.asm') diff --git a/amforth-6.5/avr8/words/sp0.asm b/amforth-6.5/avr8/words/sp0.asm new file mode 100644 index 0000000..324c1cf --- /dev/null +++ b/amforth-6.5/avr8/words/sp0.asm @@ -0,0 +1,27 @@ +; ( -- addr) +; Stack +; start address of the data stack +VE_SP0: + .dw $ff03 + .db "sp0",0 + .dw VE_HEAD + .set VE_HEAD = VE_SP0 +XT_SP0: + .dw PFA_DOVALUE1 +PFA_SP0: + .dw USER_SP0 + .dw XT_UDEFERFETCH + .dw XT_UDEFERSTORE + +; ( -- addr) +; Stack +; address of user variable to store top-of-stack for inactive tasks +VE_SP: + .dw $ff02 + .db "sp" + .dw VE_HEAD + .set VE_HEAD = VE_SP +XT_SP: + .dw PFA_DOUSER +PFA_SP: + .dw USER_SP -- cgit v1.2.3