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-rw-r--r--amforth-6.5/avr8/words/bm-clear.asm19
1 files changed, 19 insertions, 0 deletions
diff --git a/amforth-6.5/avr8/words/bm-clear.asm b/amforth-6.5/avr8/words/bm-clear.asm
new file mode 100644
index 0000000..6c47517
--- /dev/null
+++ b/amforth-6.5/avr8/words/bm-clear.asm
@@ -0,0 +1,19 @@
+; ( bitmask byte-addr -- )
+; MCU
+; clear bits set in bitmask on byte at addr
+VE_BM_CLEAR:
+ .dw $ff08
+ .db "bm-clear"
+ .dw VE_HEAD
+ .set VE_HEAD = VE_BM_CLEAR
+XT_BM_CLEAR:
+ .dw PFA_BM_CLEAR
+PFA_BM_CLEAR:
+ movw zl, tosl
+ loadtos
+ com tosl
+ ld temp0, Z
+ and temp0, tosl
+ st Z, temp0
+ loadtos
+ jmp_ DO_NEXT