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| author | schneefux <schneefux+commit@schneefux.xyz> | 2016-06-12 19:41:31 +0200 |
|---|---|---|
| committer | schneefux <schneefux+commit@schneefux.xyz> | 2016-06-12 19:41:31 +0200 |
| commit | a8d11df1665a48e9ee8ef13b03e0048614e5e3d1 (patch) | |
| tree | 5a83bacc4abe2ff298a4b92372180338a5c64997 /change_bclk.src | |
| download | fx-speed-a8d11df1665a48e9ee8ef13b03e0048614e5e3d1.tar.gz fx-speed-a8d11df1665a48e9ee8ef13b03e0048614e5e3d1.zip | |
Diffstat (limited to 'change_bclk.src')
| -rw-r--r-- | change_bclk.src | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/change_bclk.src b/change_bclk.src new file mode 100644 index 0000000..7847321 --- /dev/null +++ b/change_bclk.src @@ -0,0 +1,23 @@ + .export _change_bclk
+
+ .SECTION P,CODE,ALIGN=4
+
+_change_bclk:
+ mov r4, r0
+ and #h'0F, r0
+ shll16 r0
+ shll2 r0
+ shll2 r0
+ mov.l #h'80000000, r1
+ mov.l #h'FFFFF0FF, r3
+ mov.l @r1, r2
+ and r3, r2
+ or r0, r2
+ mov.l r2, @r1
+ mov.l #h'A4150000, r0
+ mov.l @r1, r2
+ or r0, r2
+ rts
+ mov.l r2, @r1
+ .align 4
+ .END
\ No newline at end of file |