aboutsummaryrefslogtreecommitdiff
path: root/amforth-6.5/msp430/words/do-variable.asm
diff options
context:
space:
mode:
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/msp430/words/do-variable.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/msp430/words/do-variable.asm')
-rw-r--r--amforth-6.5/msp430/words/do-variable.asm11
1 files changed, 11 insertions, 0 deletions
diff --git a/amforth-6.5/msp430/words/do-variable.asm b/amforth-6.5/msp430/words/do-variable.asm
new file mode 100644
index 0000000..2198c4b
--- /dev/null
+++ b/amforth-6.5/msp430/words/do-variable.asm
@@ -0,0 +1,11 @@
+; DOCON, code action of CONSTANT,
+; entered with W=Parameter Field Adrs
+; This is also the action of VARIABLE (Harvard model)
+; This is also the action of CREATE (Harvard model)
+docreate: ; -- a-addr ; ROMable CREATE fetches address from PFA
+DOCON: ; -- x ; CONSTANT fetches cell from PFA to TOS
+PFA_DOVARIABLE:
+ SUB #2,PSP ; make room on stack
+ MOV TOS,0(PSP)
+ MOV @W,TOS ; fetch from parameter field to TOS
+ NEXT