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authorJuan J. Martinez <jjm@usebox.net>2024-05-27 23:24:19 +0100
committerJuan J. Martinez <jjm@usebox.net>2024-05-27 23:24:19 +0100
commit703ab56587aac0d79ccc0f72f2b8d9ee235e20a5 (patch)
tree32b186dc14c56fe19c004a403eeaaf7e2dd0b10f /src/ubox/ubox_put_tile.z80
parent420ac2c8f2307ddcbe551972544bbe11f05ee7ff (diff)
downloadubox-msx-lib-703ab56587aac0d79ccc0f72f2b8d9ee235e20a5.tar.gz
ubox-msx-lib-703ab56587aac0d79ccc0f72f2b8d9ee235e20a5.zip
Use SDCC's new calling convention
(this is an ABI breaking change, and will require changes to user-written asm functions or their declarations)
Diffstat (limited to 'src/ubox/ubox_put_tile.z80')
-rw-r--r--src/ubox/ubox_put_tile.z8014
1 files changed, 7 insertions, 7 deletions
diff --git a/src/ubox/ubox_put_tile.z80 b/src/ubox/ubox_put_tile.z80
index 24e58b2..718027d 100644
--- a/src/ubox/ubox_put_tile.z80
+++ b/src/ubox/ubox_put_tile.z80
@@ -4,14 +4,11 @@ WRTVRM = 0x004d
BG_TILE_MAP = 0x1800
_ubox_put_tile::
+ ld c, a
+ ld b, l
+
ld hl, #2
add hl, sp
-
- ld c, (hl)
- inc hl
- ld b, (hl)
- inc hl
-
ld a, (hl)
ld h, #0
@@ -27,5 +24,8 @@ _ubox_put_tile::
ld bc, #BG_TILE_MAP
add hl, bc
- jp WRTVRM
+ call WRTVRM
+ pop hl
+ inc sp
+ jp (hl)