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author Aaron Giles <aaron@aarongiles.com>2008-11-08 21:12:38 +0000
committer Aaron Giles <aaron@aarongiles.com>2008-11-08 21:12:38 +0000
commitac7689264ec37623f67d18ca09ecd6ed88557672 (patch)
tree1b12bf3d6effcfdcf8a43b1fefeabe417fe8a372 /src
parent5fc6083545ca2a2c9d0224ffff99cd66e8254723 (diff)
Star Castle drone sound improvement from Jim Hernandez.
Diffstat (limited to 'src')
-rw-r--r--src/mame/audio/cinemat.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mame/audio/cinemat.c b/src/mame/audio/cinemat.c
index dbb1e3d5ef3..b91e033c82c 100644
--- a/src/mame/audio/cinemat.c
+++ b/src/mame/audio/cinemat.c
@@ -9,6 +9,8 @@
6/27/99 Jim Hernandez -- 1st Attempt at Fixing Drone Star Castle sound and
pitch adjustments.
6/30/99 MLR added Rip Off, Solar Quest, Armor Attack (no samples yet)
+ 11/04/08 Jim Hernandez -- Fixed Drone Star Castle sound again. It was
+ broken for a long time due to some changes.
Bugs: Sometimes the death explosion (small explosion) does not trigger.
@@ -114,7 +116,7 @@ static void generic_init(running_machine *machine, void (*callback)(UINT8, UINT8
last_frame = 0;
/* reset Star Castle pitch */
- current_pitch = 0x20000;
+ current_pitch = 0x10000;
/* register for save states */
state_save_register_global(sound_control);
@@ -868,15 +870,15 @@ static void starcas_sound_w(UINT8 sound_val, UINT8 bits_changed)
/* latch the drone pitch */
target_pitch = (current_shift & 7) + ((current_shift & 2) << 2);
- target_pitch = 0x10000 + (target_pitch << 12);
+ target_pitch = 0x5800 + (target_pitch << 12);
/* once per frame slide the pitch toward the target */
if (video_screen_get_frame_number(Machine->primary_screen) > last_frame)
{
if (current_pitch > target_pitch)
- current_pitch -= 300;
+ current_pitch -= 225;
if (current_pitch < target_pitch)
- current_pitch += 200;
+ current_pitch += 150;
sample_set_freq(4, current_pitch);
last_frame = video_screen_get_frame_number(Machine->primary_screen);
}