extended and based on work by Challenger
SystemID NES
001E b u 0 RAM bulletOrder
00A1 b u 0 RAM LagType
00A4 b u 0 RAM LagFrame
00A5 b u 0 RAM Global Timer
00B0 b u 0 RAM RNG
0000B1 b s 1 System Bus Player HP
0123 b u 0 RAM object timer
0125 b u 0 RAM
0126 b u 0 RAM
0133 b u 0 RAM
0135 b u 0 RAM
0143 b u 0 RAM
0146 b u 0 RAM
0153 b u 0 RAM
0155 b h 0 RAM
0163 b u 0 RAM
0216 b u 0 RAM
021E b u 0 RAM
022C b u 0 RAM
0242 b u 0 RAM
024E b u 0 RAM
0256 b u 0 RAM
025E b u 0 RAM
0400 b b 0 RAM
041D b u 0 RAM
0420 b b 0 RAM
043D b b 0 RAM
0440 b h 0 RAM
045D b h 0 RAM
04A0 b b 0 RAM
04E0 b u 0 RAM Player Pos X1
0004C0 b u 1 System Bus Player Pos X2
0004C1 b u 1 System Bus Player Pos X3
04DD b u 0 RAM Boss X
04FD b u 0 RAM
051F b h 0 RAM BulletPosY+6
0540 b u 0 RAM Player Pos Y1
000520 b u 1 System Bus Player Pos Y2
000521 b u 1 System Bus Player Pos Y3
052A b h 0 RAM BulletVal+6
053D b u 0 RAM Boss Y
0540 b u 0 RAM
055D b u 0 RAM
0580 b u 0 RAM
05BD b b 0 RAM
05DD b u 0 RAM
05E0 b u 0 RAM
0005FC b s 1 System Bus Target HP
05FD b u 0 RAM Boss 1 HP
05FF b h 0 RAM BulletPosX+6
0005FF b s 1 System Bus Boss HP
0600 b u 0 RAM On Screen X
0620 b u 0 RAM On Screen Y
065D b u 0 RAM
00BD83 b u 0 System Bus
065F b u 0 RAM Boss Timer
007D b u 0 RAM OpenLevel