diff --git a/ACME_Lib/cbm/c64/memmove.a b/ACME_Lib/cbm/c64/memmove.a
new file mode 100644
index 0000000..5bb366e
--- /dev/null
+++ b/ACME_Lib/cbm/c64/memmove.a
@@ -0,0 +1,31 @@
+;ACME 0.95.7
+
+!ifdef lib_cbm_c64_memmove_a !eof
+lib_cbm_c64_memmove_a = 1
+
+; this macro inserts code to move a memory block.
+; it calls a function from the basic interpreter, so:
+;	- BASIC ROM must be banked in
+;	- the source block must be below $a000 so it can be read
+; source and target blocks are allowed to overlap.
+!macro basic_memmove .src_start, .src_end, .target_start {
+	!address {
+		.z_target_end	= $58
+		.z_src_end	= $5a
+		.z_src_start	= $5f
+		.fn		= $a3bf
+	}
+		lda #<.src_start
+		ldx #>.src_start
+		sta .z_src_start
+		stx .z_src_start + 1
+		lda #<.src_end
+		ldx #>.src_end
+		sta .z_src_end
+		stx .z_src_end + 1
+		lda #<(.target_start + .src_end - .src_start)
+		ldx #>(.target_start + .src_end - .src_start)
+		sta .z_target_end
+		stx .z_target_end + 1
+		jsr .fn
+}