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authorDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
committerDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
commit67d25d837ac55f28a366c0a3b262e439a6e75fc3 (patch)
treedf7715c7724c5935ab87c807f3b8b4ef529315e3 /amforth-6.5/common/words/get-stack.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/words/get-stack.asm')
-rw-r--r--amforth-6.5/common/words/get-stack.asm46
1 files changed, 46 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/get-stack.asm b/amforth-6.5/common/words/get-stack.asm
new file mode 100644
index 0000000..3127d76
--- /dev/null
+++ b/amforth-6.5/common/words/get-stack.asm
@@ -0,0 +1,46 @@
+; ( e-addr -- item-n .. item-1 n)
+; Tools
+; Get a stack from EEPROM
+
+.if cpu_msp430==1
+ HEADER(XT_GET_STACK,9,"get-stack",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_GET_STACK:
+ .dw $ff09
+ .db "get-stack",0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_GET_STACK
+XT_GET_STACK:
+ .dw DO_COLON
+.endif
+ .dw XT_DUP
+ .dw XT_CELLPLUS
+ .dw XT_SWAP
+ .dw XT_FETCHE
+ .dw XT_DUP
+ .dw XT_TO_R
+ .dw XT_ZERO
+ .dw XT_SWAP ; go from bigger to smaller addresses
+ .dw XT_QDOCHECK
+ .dw XT_DOCONDBRANCH
+ DEST(PFA_N_FETCH_E2)
+ .dw XT_DODO
+PFA_N_FETCH_E1:
+ ; ( ee-addr )
+ .dw XT_I
+ .dw XT_1MINUS
+ .dw XT_CELLS ; ( -- ee-addr i*2 )
+ .dw XT_OVER ; ( -- ee-addr i*2 ee-addr )
+ .dw XT_PLUS ; ( -- ee-addr ee-addr+i
+ .dw XT_FETCHE ;( -- ee-addr item_i )
+ .dw XT_SWAP ;( -- item_i ee-addr )
+ .dw XT_TRUE ; shortcut for -1
+ .dw XT_DOPLUSLOOP
+ DEST(PFA_N_FETCH_E1)
+PFA_N_FETCH_E2:
+ .dw XT_2DROP
+ .dw XT_R_FROM
+ .dw XT_EXIT
+