Document Title: [GalaxianMap.html (html file)]
Galaxians hardware info ----------------------- Compiled from information provided by friends and Uncles on RGVAC. AAAAAA 111111AAAAAAAAAA DDDDDDDD Schem function HEX 5432109876543210 R/W 76543210 name 5000-57FF 01010AAAAAAAAAAA R/W DDDDDDDD !Vram Character ram 5800-583F 01011AAAAAAAAAAA R/W DDDDDDDD !OBJRAM Screen attributes 5840-585F 01011AAAAAAAAAAA R/W DDDDDDDD !OBJRAM Sprites 5860-5FFF 01011AAAAAAAAAAA R/W DDDDDDDD !OBJRAM Bullets 6000 0110000000000000 R -------D !SW0 coin1 6000 0110000000000000 R ------D- !SW0 coin2 6000 0110000000000000 R -----D-- !SW0 p1 left 6000 0110000000000000 R ----D--- !SW0 p1 right 6000 0110000000000000 R ---D---- !SW0 p1shoot 6000 0110000000000000 R --D----- !SW0 table ?? 6000 0110000000000000 R -D------ !SW0 test 6000 0110000000000000 R D------- !SW0 service 6000 0110000000000001 W -------D !DRIVER lamp 1 ?? 6001 0110000000000001 W -------D !DRIVER lamp 2 ?? 6002 0110000000000010 W -------D !DRIVER lamp 3 ?? 6003 0110000000000011 W -------D !DRIVER coin control 6004 0110000000000100 W -------D !DRIVER Background lfo freq bit0 6005 0110000000000101 W -------D !DRIVER Background lfo freq bit1 6006 0110000000000110 W -------D !DRIVER Background lfo freq bit2 6007 0110000000000111 W -------D !DRIVER Background lfo freq bit3 6800 0110100000000000 R -------D !SW1 1p start 6800 0110100000000000 R ------D- !SW1 2p start 6800 0110100000000000 R -----D-- !SW1 p2 left 6800 0110100000000000 R ----D--- !SW1 p2 right 6800 0110100000000000 R ---D---- !SW1 p2 shoot 6800 0110100000000000 R --D----- !SW1 no used 6800 0110100000000000 R -D------ !SW1 dip sw1 6800 0110100000000000 R D------- !SW1 dip sw2 6800 0110100000000000 W -------D !SOUND reset background F1 (1=reset ?) 6801 0110100000000001 W -------D !SOUND reset background F2 6802 0110100000000010 W -------D !SOUND reset background F3 6803 0110100000000011 W -------D !SOUND Noise on/off 6804 0110100000000100 W -------D !SOUND not used 6805 0110100000000101 W -------D !SOUND shoot on/off 6806 0110100000000110 W -------D !SOUND Vol of f1 6807 0110100000000111 W -------D !SOUND Vol of f2 7000 0111000000000000 R -------D !DIPSW dip sw 3 7000 0111000000000000 R ------D- !DIPSW dip sw 4 7000 0111000000000000 R -----D-- !DIPSW dip sw 5 7000 0111000000000000 R ----D--- !DIPSW dip s2 6 7001 0111000000000001 W -------D 9Nregen NMIon 7004 0111000000000100 W -------D 9Nregen stars on 7006 0111000000000110 W -------D 9Nregen hflip 7007 0111000000000111 W -------D 9Nregen vflip Note: 9n reg,other bits used on moon cresta for extra graphics rom control. 7800 0111100000000000 R -------- !wdr watchdog reset 7800 0111100000000000 W DDDDDDDD !pitch Sound Fx base frequency