diff options
| author | Juan J. Martinez <jjm@usebox.net> | 2021-12-06 22:14:14 +0000 |
|---|---|---|
| committer | Juan J. Martinez <jjm@usebox.net> | 2021-12-06 22:14:14 +0000 |
| commit | 11a569e72365370fc908de56b8a05da754980bf3 (patch) | |
| tree | 8f62d170a53afc69566efbf9e26fce1b7cb6e338 /tools/apultra/asm/68000/unaplib_68000.S | |
| parent | b7883d2690720a02f440959ea3f32a9105618213 (diff) | |
| download | ubox-msx-lib-11a569e72365370fc908de56b8a05da754980bf3.tar.gz ubox-msx-lib-11a569e72365370fc908de56b8a05da754980bf3.zip | |
Update apultra to 1.4.4
Diffstat (limited to 'tools/apultra/asm/68000/unaplib_68000.S')
| -rw-r--r-- | tools/apultra/asm/68000/unaplib_68000.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/apultra/asm/68000/unaplib_68000.S b/tools/apultra/asm/68000/unaplib_68000.S index a60ae32..4ecf6ac 100644 --- a/tools/apultra/asm/68000/unaplib_68000.S +++ b/tools/apultra/asm/68000/unaplib_68000.S @@ -1,4 +1,4 @@ -; unaplib_68000.s - aPLib decompressor for 68000 - 154 bytes
+; unaplib_68000.s - aPLib decompressor for 68000 - 156 bytes
;
; in: a0 = start of compressed data
; a1 = start of decompression buffer
@@ -87,6 +87,7 @@ apl_decompress: addx.b d0,d0 ; shift second bit into d0
bsr.s .get_dibits ; read a data bit into d0, one into carry
addx.b d0,d0 ; shift second bit into d0
+ tst.b d0 ; check offset value
beq.s .write_zero ; if offset is zero, write a 0
move.l a1,a6 ; calculate backreference address
|