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Gradius (Bubble System)

Game Information
manufacturer Konami
year 1985
genre Shoot-'Em-Up
downloads 16
Screenshots
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Download Details
split set gradiusb.zip 112.93k
bios/device bubsys.zip 7.76k
merged set gradiusb.7z 99.11k
standalone set gradiusb.7z 106.18k
Driver Details
source konami/nemesis.cpp
status preliminary
emulation good
savestate unsupported
type protection
status imperfect
Series Details
Screen Details
display screen
type raster
orientation horizontal
width 256px
height 224px
refresh 60.61mhz
Input Details
player 1
type joy
buttons 3
directions 8
player 2
type joy
buttons 3
directions 8
Chipset Details
name Motorola MC68000
clock 8.79mhz
name Zilog Z80
clock 1.71mhz
name Speaker
clock N/A
name AY-3-8910A PSG
clock 1.71mhz
name AY-3-8910A PSG
clock 1.71mhz
name RC Filter
clock N/A
name RC Filter
clock N/A
name RC Filter
clock N/A
name RC Filter
clock N/A
name K005289 SCC
clock 3.41mhz
name Sanyo VLM5030
clock 3.41mhz
ROM Details
name size crc
boot.bin 480.00b f0774fc2
gradius.bin 288.84k f83b9607
mcu 4.00k nodump
400b03.8g 8.00k 85c2afc5
400a1.2b 256.00b 5827b1e8
400a2.1b 256.00b 2f44f970