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OrCAD LOGIC COMPILER  v2.01 N 12/09/94  (Source file .\PLD\#0203A.PLD)

  1  || FILE:   #0203.PLD
  2  || PROJ:   20120601        
  3  || PART:   G26CV12-#0203
  4  ||
  5  || DEV :   GAL26CV12
  6  ||
  7  ||         DESC:   MASTER DECODER - NEW BUS BOARD
  8  ||
  9  |
 10  |GAL26CV12
 11  |
 12  || INPUT
 13  |  1:A9, 2:A10, 3:A11, 4:A12, 5:A13, 6:A14, 8:A15, 9:A16, 10:A17, 
 14  | 11:A18, 12:A19, 13:A20, 14:A21, 15:A22, 16:A23, 17:VMA, 18:HIM,
 15  | 25:SW0, 26:SW1, 27:S0, 28:S1,
 16  || OUTPUT 
 17  |  19:CEE, 20:CS0, 22:CSR, 23:CSF, 24:CSE
 18  |
 19  | ACTIVE-LOW: CEE, CS0, CSR, CSF, CSE
 20  |
 21  |
 22  | SIGNATURE: "00203   "
 23  |
 24  || MAP
 25  || CS0 - RAM BANK   $00
 26  || CSR - RAM BANK   $F0
 27  || CSF - FLASH BANK $F0
 28  || CSE - EEROM BANK $F0
 29  || CEE - EMU8U BANK $F0
 30  ||
 31  ||         MAP $00FE00 - $00FFFF IF HIM = 0
 32  || --------------------------------------
 33  ||         SW0     SW1     TYPE            SIGNAL
 34  || 0        X       FLASH           CSF
 35  || 1       0        EEROM           CSE
 36  || 1       1       EMU8U           CEE
 37  ||
 38  ||         MAP $00FE00 - $00FFFF IF HIM = 1
 39  || --------------------------------------
 40  ||         SW0     SW1     TYPE            SIGNAL
 41  || X       X       RAM BANK $00    CS0
 42  ||
 43  ||         MAP BANK $F0 : $F00000 - $F0FFFF
 44  || --------------------------------------
 45  || S1      S0      TYPE            SIGNAL
 46  || 0        0        RAM bank $F0    CSR
 47  || 0        1       FLASH           CSF
 48  || 1       0        EEROM           CSE
 49  || 1       1       EMU8U           CEE
 50  || 
 51  || --------------------------------------------------------
 52  ||
 53  || BANK $00 : $000000 - $00FFFF
 54  |  BANK0 = (A23' & A22' & A21' & A20' & A19' & A18' & A17' & A16' & VMA')
 55  ||


 56  || 32K BLOCK 
 57  |  RB0 = (BANK0 & A15' )
 58  || 16K BLOCK
 59  |  RB1 = (BANK0 & A15  & A14' )
 60  || 8K BLOCK
 61  |  RB2 = (BANK0 & A15  & A14  & A13' )
 62  || 4K BLOCK
 63  |  RB3 = (BANK0 & A15  & A14  & A13  & A12' )
 64  || 2K BLOCK
 65  |  RB4 = (BANK0 & A15  & A14  & A13  & A12  & A11' )
 66  || 1K BLOCK
 67  |  RB5 = (BANK0 & A15  & A14  & A13  & A12  & A11  & A10')
 68  || 512 BYTES BLOCK $00FC00 - $00FDFF RESERVED FOR I/O
 69  || RB6 = (BANK0 & A15  & A14  & A13  & A12  & A11  & A10 & A9')
 70  ||
 71  || LAST 512 BYTES BLOCK ($00FE00 - $00FFFF) ONLY IF HIM=1
 72  |  RB7 = (BANK0 & A15  & A14  & A13  & A12  & A11  & A10 & A9 & HIM)
 73  ||
 74  || BANK $00 RAM SELECT
 75  |  CS0A = (RB0 # RB1 # RB2 # RB3 # RB4 # RB5 # RB7)
 76  ||
 77  || BANK $01 : $010000 - $01FFFF
 78  |  BANK1 = (A23' & A22' & A21' & A20' & A19' & A18' & A17' & A16  & VMA')
 79  ||
 80  || 16K BLOCK $010000 - $013FFF RESERVED FOR EXTERNAL RAM
 81  || BR0 = (BANK1 & A15' & A14')
 82  || 16K BLOCK $014000 - $017FFF
 83  |  BR1 = (BANK1 & A15' & A14)
 84  || 32K BLOCK $018000 - $01FFFF
 85  |  BR2 = (BANK1 & A15)
 86  ||
 87  || BANK $01 RAM SELECT
 88  |  CS0B = (BR1 # BR2)
 89  ||
 90  || BANK $02 & $03 : $020000 - $03FFFF (128K BLOK)
 91  |  CS0C = (A23' & A22' & A21' & A20' & A19' & A18' & A17  & VMA')
 92  ||
 93  || BANK $03 - $07 : $040000 - $07FFFF (256K BLOK)
 94  |  CS0D = (A23' & A22' & A21' & A20' & A19' & A18 & VMA')
 95  ||
 96  || BANK $00 - $07 RAM SELECTION (512K BLOCK)
 97  |  CS0 = (CS0A # CS0B # CS0C # CS0D)
 98  ||
 99  || --------------------------------------------------------
100  ||
101  || BANKF0: $F00000 - $F7FFFF
102  |  BANKF0 = (A23 & A22 & A21 & A20 & A19' & VMA')
103  ||
104  || LAST 512 BYTES BLOCK ON BANK $00 ($00FE00 - $00FFFF) ONLY IF HIM=0
105  |  BR7 = (BANK0 & A15  & A14  & A13  & A12  & A11  & A10 & A9 & HIM')
106  || BR7 MAPPED TO FLASH IF SW0=0
107  |  BR7F = BR7 & SW0'
108  || BR7 MAPPED TO EEROM IF SW0=1 & SW1=1
109  |  BR7E = BR7 & SW0 & SW1
110  || BR7 MAPPED TO EMU8U IF SW0=1 & SW1=0
111  |  BR7U = BR7 & SW0 & SW1'
112  || BANK $F0 MAPPED TO FLASH IF S0=1 & S1=0


113  |  BF0F = BANKF0 & S0 & S1'
114  || BANK $F0 MAPPED TO EEROM IF S0=0 & S1=1
115  |  BF0E = BANKF0 & S0' & S1
116  || BANK $F0 MAPPED TO EMU8U IF S0=1 & S1=1
117  |  BF0U = BANKF0 & S0 & S1
118  || BANK $F0 MAPPED TO RAM IF S0=0 & S1=0
119  |  BF0R = BANKF0 & S0' & S1'
120  |
121  |  CSR = BF0R
122  |  CSF = (BF0F # BR7F)
123  |  CSE = (BF0E # BR7E)
124  |  CEE = (BF0U # BR7U) 



I200  No fatal errors found in source code (logic phase).
I201  No warnings.


I202  1/29/18  5:29 pm  (Monday)
I203  Memory usage 116K
I204  Elapsed time 1 second

OrCAD DEVICE FITTER  v2.01   12/09/94  (Source file .\PLD\#0203A.PLA)




RESOLVED EXPRESSIONS (Reduction 0)

Signal name      Row   Terms

CS0               62   A9  A10  A11  A12  A13  A14  A15  A16' A17' A18' A19' 
                       A20' A21' A22' A23' VMA' HIM  
                  63   A10' A11  A12  A13  A14  A15  A16' A17' A18' A19' A20' 
                       A21' A22' A23' VMA' 
                  64   A11' A12  A13  A14  A15  A16' A17' A18' A19' A20' A21' 
                       A22' A23' VMA' 
                  65   A12' A13  A14  A15  A16' A17' A18' A19' A20' A21' A22' 
                       A23' VMA' 
                  66   A13' A14  A15  A16' A17' A18' A19' A20' A21' A22' A23' 
                       VMA' 
                  67   A14' A15  A16' A17' A18' A19' A20' A21' A22' A23' VMA' 
                  68   A14  A15' A16  A17' A18' A19' A20' A21' A22' A23' VMA' 
                  69   A15' A16' A17' A18' A19' A20' A21' A22' A23' VMA' 
                  70   A15  A16  A17' A18' A19' A20' A21' A22' A23' VMA' 
                  71   A17  A18' A19' A20' A21' A22' A23' VMA' 
                  72   A18  A19' A20' A21' A22' A23' VMA' 

CSR               49   A19' A20  A21  A22  A23  VMA' S0' S1' 

CSF               38   A9  A10  A11  A12  A13  A14  A15  A16' A17' A18' A19' 
                       A20' A21' A22' A23' VMA' HIM' SW0' 
                  39   A19' A20  A21  A22  A23  VMA' S0  S1' 

CSE               29   A9  A10  A11  A12  A13  A14  A15  A16' A17' A18' A19' 
                       A20' A21' A22' A23' VMA' HIM' SW0  SW1  
                  30   A19' A20  A21  A22  A23  VMA' S0' S1  

CEE               75   A9  A10  A11  A12  A13  A14  A15  A16' A17' A18' A19' 
                       A20' A21' A22' A23' VMA' HIM' SW0  SW1' 
                  76   A19' A20  A21  A22  A23  VMA' S0  S1  




SIGNAL ASSIGNMENT
                                      Rows
 Pin    Signal name   Column     --------------    Activity
                                 Beg Avail Used

  1.     A9              0        -    -    -        High    (Clock)
  2.     A10             4        -    -    -        High     
  3.     A11             8        -    -    -        High     
  4.     A12            12        -    -    -        High     
  5.     A13            16        -    -    -        High     
  6.     A14            20        -    -    -        High     
  8.     A15            24        -    -    -        High     
  9.     A16            28        -    -    -        High     
 10.     A17            32        -    -    -        High     
 11.     A18            36        -    -    -        High     
 12.     A19            40        -    -    -        High     
 13.     A20            44        -    -    -        High     
 14.     A21            48        -    -    -        High     
 15.     A22            50      112    9    0        High    (Registered)
 16.     A23            46      103    9    0        High    (Registered)
 17.     VMA            42       94    9    0        High    (Registered)
 18.     HIM            38       85    9    0        High    (Registered)
 19.     CEE            35       74   11    2        Low     (Three-state)
 20.     CS0            31       61   13   11        Low     (Three-state)
 22.     CSR            27       48   13    1        Low     (Three-state)
 23.     CSF            23       37   11    2        Low     (Three-state)
 24.     CSE            19       28    9    2        Low     (Three-state)
 25.     SW0            14       19    9    0        High    (Registered)
 26.     SW1            10       10    9    0        High    (Registered)
 27.     S0              6        1    9    0        High    (Registered)
 28.     S1              2        -    -    -        High     
 29.     -               -        0    1    0                 
 30.     -               -      121    1    0                 
                                    ---- ----
                                     122   18  (15%)


I200  No fatal errors found in source code (device phase).
I201  No warnings.



OrCAD DEVICE
Type:       GAL26CV12
*
QP28* QF6432* QV1024*
F0*
L1456 1111111111111111111111111111111111111111111111111111*
L1508 0111011101010101011101110111101110111010101010101010*
L1560 1101111011111111111111111111111111111111101001010101*
L1924 1111111111111111111111111111111111111111111111111111*
L1976 0111011101110110011101110111101110111010101010101010*
L2028 1110110111111111111111111111111111111111101001010101*
L2496 1111111111111111111111111111111111111111111111111111*
L2548 1110111011111111111111111111111111111111101001010101*
L3172 1111111111111111111111111111111111111111111111111111*
L3224 0111011101110111011101110111101110111001101010101010*
L3276 1111101101110111011101110111101110111011101010101010*
L3328 1111111110110111011101110111101110111011101010101010*
L3380 1111111111111011011101110111101110111011101010101010*
L3432 1111111111111111101101110111101110111011101010101010*
L3484 1111111111111111111110110111101110111011101010101010*
L3536 1111111111111111111101111011011110111011101010101010*
L3588 1111111111111111111111111011101110111011101010101010*
L3640 1111111111111111111111110111011110111011101010101010*
L3692 1111111111111111111111111111111101111011101010101010*
L3744 1111111111111111111111111111111111110111101010101010*
L3848 1111111111111111111111111111111111111111111111111111*
L3900 0111011101100101011101110111101110111010101010101010*
L3952 1101110111111111111111111111111111111111101001010101*
L6344 1111110101010101111111110011000000110000001100100011*
L6396 000000110011001000000010000000100000*
C7F7D*

I202  1/29/18  5:29 pm  (Monday)
I203  Memory usage 11K
I204  Elapsed time 1 second