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| author | Juan J. Martinez <jjm@usebox.net> | 2020-12-30 19:07:31 +0000 |
|---|---|---|
| committer | Juan J. Martinez <jjm@usebox.net> | 2020-12-30 19:23:41 +0000 |
| commit | 2682bc5d1d864341aaeb42a449db73c3ecd16d70 (patch) | |
| tree | 9116764364b4ee0ce7f6037305077807b57776de /src/ubox/ubox_get_vsync_freq.z80 | |
| download | ubox-msx-lib-2682bc5d1d864341aaeb42a449db73c3ecd16d70.tar.gz ubox-msx-lib-2682bc5d1d864341aaeb42a449db73c3ecd16d70.zip | |
Initial import1.0
Diffstat (limited to 'src/ubox/ubox_get_vsync_freq.z80')
| -rw-r--r-- | src/ubox/ubox_get_vsync_freq.z80 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/ubox/ubox_get_vsync_freq.z80 b/src/ubox/ubox_get_vsync_freq.z80 new file mode 100644 index 0000000..681fe67 --- /dev/null +++ b/src/ubox/ubox_get_vsync_freq.z80 @@ -0,0 +1,9 @@ +.globl _ubox_get_vsync_freq + +_ubox_get_vsync_freq:: + ld a, (#0x002b) + and #128 + ld l, a + ret z + ld l, #1 + ret |