aboutsummaryrefslogtreecommitdiff
path: root/amforth-6.5/common/words/catch.asm
diff options
context:
space:
mode:
Diffstat (limited to 'amforth-6.5/common/words/catch.asm')
-rw-r--r--amforth-6.5/common/words/catch.asm39
1 files changed, 39 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/catch.asm b/amforth-6.5/common/words/catch.asm
new file mode 100644
index 0000000..c67be65
--- /dev/null
+++ b/amforth-6.5/common/words/catch.asm
@@ -0,0 +1,39 @@
+; ( i*x xt -- j*x 0 | i*x n )
+; Exceptions
+; execute XT and check for exceptions.
+
+.if cpu_msp430==1
+ HEADER(XT_CATCH,5,"catch",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_CATCH:
+ .dw $ff05
+ .db "catch",0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_CATCH
+XT_CATCH:
+ .dw DO_COLON
+PFA_CATCH:
+.endif
+
+ ; sp@ >r
+ .dw XT_SP_FETCH
+ .dw XT_TO_R
+ ; handler @ >r
+ .dw XT_HANDLER
+ .dw XT_FETCH
+ .dw XT_TO_R
+ ; rp@ handler !
+ .dw XT_RP_FETCH
+ .dw XT_HANDLER
+ .dw XT_STORE
+ .dw XT_EXECUTE
+ ; r> handler !
+ .dw XT_R_FROM
+ .dw XT_HANDLER
+ .dw XT_STORE
+ .dw XT_R_FROM
+ .dw XT_DROP
+ .dw XT_ZERO
+ .dw XT_EXIT