NAMES OF SIGNALS GOING ON AND OFF THE MA CARD (MACARD)

(I/O)            SIGNAL NAME                   # OF PINS

 I       CAL 27 → 33                             7
 I       WRITE C-MEM x                           1
 I       WRITE C-MEM y                           1
 I       ~C-M ADDRS WRT TIM                      1
 I       WRT C-M ADDRS WRD 0 → 3                 4
 I       A-DAT 16 → 26                          11
 I       (A-DAT 27)                              1
 I       CAL W-SEL 0 → 3                         4
 O       ~Mx INVALID                             1
 O       ~My INVALID                             1
 I       WRD O → 3 VALID(DI)                     4
 I       ~WRD 0 → 3 NDWRT(DI)                    4
 O       Mx ADDRS OUT 16 → 26                   11
 O       My ADDRS OUT 16 → 26                    1
 O       (Mx ADDRS OUT 27)                      11
 O       (My ADDRS OUT 27)                       1
 O       Mx W0 → 3 INVALID                       4
 O       My W0 → 3 INVALID                       4
 O       Mx W0 → 3 NEEDWRITE                     4
 O       My W0 → 3 NEEDWRITE                     4
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