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-rw-r--r--amforth-6.5/common/words/to-lower.asm33
1 files changed, 33 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/to-lower.asm b/amforth-6.5/common/words/to-lower.asm
new file mode 100644
index 0000000..fe9328c
--- /dev/null
+++ b/amforth-6.5/common/words/to-lower.asm
@@ -0,0 +1,33 @@
+; ( C -- c)
+; String
+; if C is an uppercase letter convert it to lowercase
+
+.if cpu_msp430==1
+ HEADER(XT_TOLOWER,7,"tolower",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+
+
+VE_TOLOWER:
+ .dw $ff07
+ .db "tolower",0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_TOLOWER
+XT_TOLOWER:
+ .dw DO_COLON
+PFA_TOLOWER:
+.endif
+ .dw XT_DUP
+ .dw XT_DOLITERAL
+ .dw 'A'
+ .dw XT_DOLITERAL
+ .dw 'Z'+1
+ .dw XT_WITHIN
+ .dw XT_DOCONDBRANCH
+ DEST(PFA_TOLOWER0)
+ .dw XT_DOLITERAL
+ .dw 32
+ .dw XT_OR
+PFA_TOLOWER0:
+ .dw XT_EXIT