SegaSonic Popcorn Shop

Sound chips: SN76489 YM3438
System: System C-2
Composer: Unknown
Developer: Sega AM1
Publisher: Sega
Release date: 1993
History
Version Date Author Description
1.00 2015-11-04 Valley Bell Initial release.
Size reductions
ToolFromTo%
vgm_cmp205 KB141 KB68.8%
6 ratings • 289 downloads • 1320 views
You must Log in to rate.
Made using a custom version of the MAME 0.164
VGM mod that support the game, which was added
between MAME 0.166 and 0.167.

Size reduction (vgm_cmp):
    205 KB -> 141 KB (68.7 %)


Hacking Notes:
The sound driver is SMPS 68k. It does a few
things differently from MegaDrive SMPS though.

Sound RAM:                 FFF400+
Sound Queue:               FFF7D0-F80F
Sound Queue Write Pointer: FFF810/11
Sound Queue Read Pointer:  FFF812/13

In order to play a song, set FFF7D0 = SongID,
then set FFF811 = 01 and FFF813 = 00.

Sound Test ID list: 0026B2
PlaySound routine:  00099A
PlaySound wrapper:  0064BE (Put the sound ID in
register D7 and set D6 to 0. The routine skips
playing the sound if register D6 is nonzero.)

Valley Bell

Related packs

Thunder Force AC
Arcade • SN76489, uPD7759, YM3438
Puyo Puyo Tsuu
Arcade • SN76489, YM3438
Puyo Puyo
Arcade • SN76489, YM3438
Columns
Arcade • SN76489, YM3438
Twin Squash
Arcade • SN76489, YM3438
Zunzunkyou no Yabou
Arcade • SN76489, uPD7759, YM3438
Waku Waku Sonic Patrol Car
Arcade • SN76489, YM3438
Columns II: The Voyage Through Time
Arcade • SN76489, YM3438
Borench
Arcade • YM3438
Genocide Square
FM Towns • YM3438, RF5C68