aboutsummaryrefslogtreecommitdiff
path: root/amforth-6.5/common/words/to-upper.asm
diff options
context:
space:
mode:
Diffstat (limited to 'amforth-6.5/common/words/to-upper.asm')
-rw-r--r--amforth-6.5/common/words/to-upper.asm31
1 files changed, 31 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/to-upper.asm b/amforth-6.5/common/words/to-upper.asm
new file mode 100644
index 0000000..180cd5d
--- /dev/null
+++ b/amforth-6.5/common/words/to-upper.asm
@@ -0,0 +1,31 @@
+; ( c -- C )
+; String
+; if c is a lowercase letter convert it to uppercase
+
+.if cpu_msp430==1
+ HEADER(XT_TOUPPER,7,"toupper",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_TOUPPER:
+ .dw $ff07
+ .db "toupper",0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_TOUPPER
+XT_TOUPPER:
+ .dw DO_COLON
+PFA_TOUPPER:
+.endif
+ .dw XT_DUP
+ .dw XT_DOLITERAL
+ .dw 'a'
+ .dw XT_DOLITERAL
+ .dw 'z'+1
+ .dw XT_WITHIN
+ .dw XT_DOCONDBRANCH
+ DEST(PFA_TOUPPER0)
+ .dw XT_DOLITERAL
+ .dw 223 ; inverse of 0x20: 0xdf
+ .dw XT_AND
+PFA_TOUPPER0:
+ .dw XT_EXIT