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||      FILE:   #0170.PLD
||      PROJ:   20170602        
||      PART:   G16V8-#0170
||
||      DEV :   GAL16V8
||
||      DESC:   MEMORY DECODER
||
|
|GAL16V8A
|
|| INPUT
|  1:A2, 2:A3, 3:A4, 4:A5, 5:A6, 6:A7, 7:A10, 8:A11, 9:A12, 11:IO,
| 12:CX0, 13:EN,
|| OUTPUT 
|  14:CE0, 15:CE1, 16:GE, 17:-, 18:-, 19:-
|
||
|  ACTIVE-LOW: CE0, CE1, GE
|
|  PROPERTY: "SIMPLE"
|
|  SIGNATURE: "0170    "
|
|| IO RANGE  = FC10 - FC2F
|  IOA  = (IO' & A7' & A6' & A5' & A4)
|  IOB  = (IO' & A7' & A6' & A5  & A4' & A3')
|  IOC  = (IO' & A7' & A6' & A5  & A4' & A3 & A2')
|  IOD  = (IO' & A7' & A6' & A5  & A4' & A3 & A2)
|  IOS  = (IOA # IOB # IOC # IOD)
|  MEM0 = (CX0' & A12 & A11)
|  MEM1 = (CX0' & A12 & A11' & A10)
|  CE0 = MEM0
|  CE1 = MEM1
|  GE = (EN & (IOS # MEM0 # MEM1))