Split copy and serial functions out of home.asm.

1 files changed, 24 insertions, 0 deletions

diff --git a/home/copy.asm b/home/copy.asm
new file mode 100644
index 00000000..a6c298e4
--- /dev/null
+++ b/home/copy.asm
@@ -0,0 +1,24 @@
+FarCopyData::
+; Copy bc bytes from a:hl to de.
+	ld [wBuffer], a
+	ld a, [H_LOADEDROMBANK]
+	push af
+	ld a, [wBuffer]
+	ld [H_LOADEDROMBANK], a
+	ld [MBC3RomBank], a
+	call CopyData
+	pop af
+	ld [H_LOADEDROMBANK], a
+	ld [MBC3RomBank], a
+	ret
+
+CopyData::
+; Copy bc bytes from hl to de.
+	ld a, [hli]
+	ld [de], a
+	inc de
+	dec bc
+	ld a, c
+	or b
+	jr nz, CopyData
+	ret