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mode switch added
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@ -2,9 +2,9 @@
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GAL20V8
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GAL20V8
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EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
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EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
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Copyright (c) National Semiconductor Corporation 1990-1993
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Copyright (c) National Semiconductor Corporation 1990-1993
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Assembled from "c:/APPLE1~2/ADDRES~1.EQN". Date: 7-22-120
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Assembled from "c:/APPLE1~2/ADDRES~1.EQN". Date: 7-23-120
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*
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*
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NOTE PINS RW:2 PHI:3 A9:4 A8:5 A7:6 A6:7 A5:8 A4:9 A3:10 A2:11*
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NOTE PINS RW:2 PHI:3 MOD:4 A9:5 A8:6 A7:7 A6:8 A5:9 A4:10 A3:11*
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NOTE PINS GND:12 A15:14 A14:15 A13:16 A12:17 A11:18 A10:19 RAM:20*
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NOTE PINS GND:12 A15:14 A14:15 A13:16 A12:17 A11:18 A10:19 RAM:20*
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NOTE PINS ROM:21 FF:22 BANK:23 VCC:24*
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NOTE PINS ROM:21 FF:22 BANK:23 VCC:24*
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NOTE GALMODE REGISTERED*
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NOTE GALMODE REGISTERED*
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@ -14,22 +14,24 @@ L0000
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1011011101110111010101100110011001010111*
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1011011101110111010101100110011001010111*
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L0320
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L0320
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1111111111111111111111111111111111111111
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1111111111111111111111111111111111111111
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0111111111111111111111101110111011011110
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0111111101111111111111101110111011011110
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0101111111111111111111111111111111011110
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0101111101111111111111111111111111011110
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0101111111111111111111111111111111101101*
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0101111101111111111111111111111111101101*
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L0640
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L0640
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1111111111111111111111111111111111111111
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1111111111111111111111111111111111111111
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1110011111111111111111011110111011011110
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1110011101111111111111011110111011011110
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1110011111111111111111111111111111101101
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1110011101111111111111111111111111101101
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1110011111111111111111111111110111011110
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1110011101111111111111111111110111011110
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1110011111111111111111111101111011011110*
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1110011101111111111111111101111011011110
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1111011110111111111111111111111111011110
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1111011110111111111111111111111111101101*
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L2560
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L2560
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10000000*
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10000000*
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L2632
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L2632
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11111111*
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11111111*
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L2640
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L2640
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1100000011110000111110000000000000000000000000000000000000000000*
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1100000011110000111111100000000000000000000000000000000000000000*
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L2704
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L2704
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01*
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01*
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C3073*
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C39D2*
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0000
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0000
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@ -8,14 +8,14 @@ Pin Label Type
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--- ----- ----
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--- ----- ----
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2 RW pos,com input
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2 RW pos,com input
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3 PHI pos,com input
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3 PHI pos,com input
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4 A9 pos,com input
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4 MOD pos,com input
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5 A8 pos,com input
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5 A9 pos,com input
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6 A7 pos,com input
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6 A8 pos,com input
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7 A6 pos,com input
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7 A7 pos,com input
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8 A5 pos,com input
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8 A6 pos,com input
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9 A4 pos,com input
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9 A5 pos,com input
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10 A3 pos,com input
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10 A4 pos,com input
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11 A2 pos,com input
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11 A3 pos,com input
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12 GND ground pin
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12 GND ground pin
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14 A15 pos,com input
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14 A15 pos,com input
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15 A14 pos,com input
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15 A14 pos,com input
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@ -46,9 +46,9 @@ No of feedbacks used as dedicated outputs : 3/8 (37.5%)
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21 ROM.oe 1/1 (100.0%)
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21 ROM.oe 1/1 (100.0%)
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21 ROM 3/7 (42.9%)
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21 ROM 3/7 (42.9%)
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20 RAM.oe 1/1 (100.0%)
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20 RAM.oe 1/1 (100.0%)
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20 RAM 4/7 (57.1%)
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20 RAM 6/7 (85.7%)
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------------------------------------------
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------------------------------------------
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Total Terms 11/64 (17.2%)
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Total Terms 13/64 (20.3%)
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------------------------------------------
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------------------------------------------
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EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
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EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
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@ -61,13 +61,13 @@ Copyright (c) National Semiconductor Corporation 1990-1993
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CLK | 1 24 | VCC
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CLK | 1 24 | VCC
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RW | 2 23 | BANK
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RW | 2 23 | BANK
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PHI | 3 22 | FF
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PHI | 3 22 | FF
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A9 | 4 21 | ROM
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MOD | 4 21 | ROM
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A8 | 5 20 | RAM
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A9 | 5 20 | RAM
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A7 | 6 19 | A10
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A8 | 6 19 | A10
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A6 | 7 18 | A11
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A7 | 7 18 | A11
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A5 | 8 17 | A12
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A6 | 8 17 | A12
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A4 | 9 16 | A13
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A5 | 9 16 | A13
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A3 | 10 15 | A14
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A4 | 10 15 | A14
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A2 | 11 14 | A15
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A3 | 11 14 | A15
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GND | 12 13 | /OE
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GND | 12 13 | /OE
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|______________|
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|______________|
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@ -1,15 +1,17 @@
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chip GAL20V8
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chip GAL20V8
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NC=1 RW=2 PHI=3 A2=11 A3=10 A4=9 A5=8 A6=7 A7=6 A8=5 A9=4 A10=19 GND=12
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NC=1 RW=2 PHI=3 MOD=4 A3=11 A4=10 A5=9 A6=8 A7=7 A8=6 A9=5 A10=19 GND=12
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A11=18 A12=17 A13=16 A14=15 A15=14 RAM=20 ROM=21 FF=22 BANK=23 VCC=24
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A11=18 A12=17 A13=16 A14=15 A15=14 RAM=20 ROM=21 FF=22 BANK=23 VCC=24
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equations
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equations
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/ROM = /A15 * A14 * /A13 * /A12 * /A11 * RW
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/ROM = /A15 * A14 * /A13 * /A12 * /A11 * RW * MOD
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+ /A15 * A14 * RW * BANK
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+ /A15 * A14 * RW * BANK * MOD
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+ A15 * /A14 * RW * BANK
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+ A15 * /A14 * RW * BANK * MOD
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/RAM = /A15 * A14 * /A13 * /A12 * A11 * /BANK * PHI
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/RAM = /A15 * A14 * /A13 * /A12 * A11 * /BANK * PHI * MOD
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+ A15 * /A14 * /BANK * PHI
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+ A15 * /A14 * /BANK * PHI * MOD
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+ /A15 * A14 * A13 * /BANK * PHI
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+ /A15 * A14 * A13 * /BANK * PHI * MOD
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+ /A15 * A14 * /A13 * A12 * /BANK * PHI
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+ /A15 * A14 * /A13 * A12 * /BANK * PHI * MOD
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FF = A2 * A3 * A4 * A5 * A6 * A7 * A8 * A9 * A10 * /A11 * /A12 * /A13 * A14 * /RW * PHI
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+ /A15 * A14 * PHI * /MOD
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+ A15 * /A14 * PHI * /MOD
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FF = A3 * A4 * A5 * A6 * A7 * A8 * A9 * A10 * /A11 * /A12 * /A13 * A14 * /RW * PHI * MOD
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