From 2682bc5d1d864341aaeb42a449db73c3ecd16d70 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Wed, 30 Dec 2020 19:07:31 +0000
Subject: Initial import

---
 src/ubox/ubox_set_sprite_attr.z80 | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/ubox/ubox_set_sprite_attr.z80

(limited to 'src/ubox/ubox_set_sprite_attr.z80')

diff --git a/src/ubox/ubox_set_sprite_attr.z80 b/src/ubox/ubox_set_sprite_attr.z80
new file mode 100644
index 0000000..fe573b6
--- /dev/null
+++ b/src/ubox/ubox_set_sprite_attr.z80
@@ -0,0 +1,29 @@
+.globl _ubox_set_sprite_attr
+.globl _ubox_write_vm
+
+_ubox_set_sprite_attr::
+	ld hl, #2
+	add hl, sp
+
+	ld e, (hl)
+	inc hl
+	ld d, (hl)
+	inc hl
+
+	ld l, (hl)
+	sla l
+	sla l
+	ld h, #0
+	ld bc, #0x1b00
+	add hl, bc
+
+	push de
+	ld bc, #4
+	push bc
+	push hl
+	call _ubox_write_vm
+	pop af
+	pop af
+	pop af
+	ret
+
-- 
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