FEDCBA9876543210  /IORQ  /WR  /RD  /M1  DOS
------------------------------------------------------------
"FE_WR"         xxxxxxxxxx1x1110    0     0    x    1    x
"7FFD_WR"       0xxxxxxxxx1x1101    0     0    x    1    x
"EFF7_WR"       1110xx1xxx1x0111    0     0    x    1    0
"AY_BC1"        11xxxxxxxx1x1101    0     x    x    1    x
"AY_BDIR"       1xxxxxxxxx1x1101    0     0    x    1    x
------------------------------------------------------------
"FE_RD"         xxxxxxxxxxxxxxx0    0     x    0    x    x
"KempJ"         xxxxxxxxxx0xxxx1    0     x    0    x    0
"LPT_RD"        xxxxxxxxxx1x1011    0     x    0    1    0
"LPT_WR"        xxxxxxxxxx1x1011    0     0    x    1    0
"BDI_VG93"      xxxxxxxx0xxx1111    0     x    x    1    1
"BDI_FF_RD"     xxxxxxxx1xxx1111    0     1    x    1    1
"BDI_FF_WR"     xxxxxxxx1xxx1111    0     0    x    1    1
------------------------------------------------------------

"FE_RD" и "KempJ" остался без изменений (сигнал "JK" на схеме).
"DOS" на схеме "DOS*".