I was playing one of the demos got a weird error says
ADDRESS ERROR !
FUNC=0015_ADDR=00000063 INST=2298
PC=000EE680 SR=2308
DO=00000000
D1=C0200000
D2=00000003
D3=00000008
D4-00000000
D5=FFFFFFFC
D6=00000002
D7=FFFFFFFF
A0=00000067
A1-00C00000
A2=000E3D32
A3=000E7B00
A4=00FF4EAA
A5=00FF08C4
A6=FFFFFBD8
A7=FFFFFB1E
SP+00
00C00000
00150000
SP+08
00632298
2308000E
SP+10
E680000D
58A20000
SP+18
00010000
00630000
SP+20
00380000
000E0000
SP+28
00010 10
0005FFFF
SP+30
01200 10
0008000Е SP+38 CD4E000E 086C00FF
SP+40
579E00FF
545C0000
SP+48
00030000
000500FF
SP+50
626E07E2
000008FF
SP+58
4F9A0022
05300000