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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/digit-q.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/words/digit-q.asm')
-rw-r--r--amforth-6.5/common/words/digit-q.asm24
1 files changed, 24 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/digit-q.asm b/amforth-6.5/common/words/digit-q.asm
new file mode 100644
index 0000000..da19b55
--- /dev/null
+++ b/amforth-6.5/common/words/digit-q.asm
@@ -0,0 +1,24 @@
+; ( c -- (number|) flag )
+; Numeric IO
+; tries to convert a character to a number, set flag accordingly
+
+.if cpu_msp430==1
+ HEADER(XT_DIGITQ,6,"digit?",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_DIGITQ:
+ .dw $ff06
+ .db "digit?"
+ .dw VE_HEAD
+ .set VE_HEAD = VE_DIGITQ
+XT_DIGITQ:
+ .dw DO_COLON
+PFA_DIGITQ:
+.endif
+ .dw XT_TOUPPER
+ .DW XT_DUP,XT_DOLITERAL,57,XT_GREATER,XT_DOLITERAL,256
+ .DW XT_AND,XT_PLUS,XT_DUP,XT_DOLITERAL,320,XT_GREATER
+ .DW XT_DOLITERAL,263,XT_AND,XT_MINUS,XT_DOLITERAL,48
+ .DW XT_MINUS,XT_DUP,XT_BASE,XT_FETCH,XT_ULESS
+ .DW XT_EXIT