mode switch added

This commit is contained in:
Piotr Jaczewski 2020-07-31 22:31:08 +02:00
parent dc5ad5f3ac
commit 0bd0a220b3
3 changed files with 42 additions and 38 deletions

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@ -2,9 +2,9 @@
GAL20V8
EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
Copyright (c) National Semiconductor Corporation 1990-1993
Assembled from "c:/APPLE1~2/ADDRES~1.EQN". Date: 7-22-120
Assembled from "c:/APPLE1~2/ADDRES~1.EQN". Date: 7-23-120
*
NOTE PINS RW:2 PHI:3 A9:4 A8:5 A7:6 A6:7 A5:8 A4:9 A3:10 A2:11*
NOTE PINS RW:2 PHI:3 MOD:4 A9:5 A8:6 A7:7 A6:8 A5:9 A4:10 A3:11*
NOTE PINS GND:12 A15:14 A14:15 A13:16 A12:17 A11:18 A10:19 RAM:20*
NOTE PINS ROM:21 FF:22 BANK:23 VCC:24*
NOTE GALMODE REGISTERED*
@ -14,22 +14,24 @@ L0000
1011011101110111010101100110011001010111*
L0320
1111111111111111111111111111111111111111
0111111111111111111111101110111011011110
0101111111111111111111111111111111011110
0101111111111111111111111111111111101101*
0111111101111111111111101110111011011110
0101111101111111111111111111111111011110
0101111101111111111111111111111111101101*
L0640
1111111111111111111111111111111111111111
1110011111111111111111011110111011011110
1110011111111111111111111111111111101101
1110011111111111111111111111110111011110
1110011111111111111111111101111011011110*
1110011101111111111111011110111011011110
1110011101111111111111111111111111101101
1110011101111111111111111111110111011110
1110011101111111111111111101111011011110
1111011110111111111111111111111111011110
1111011110111111111111111111111111101101*
L2560
10000000*
L2632
11111111*
L2640
1100000011110000111110000000000000000000000000000000000000000000*
1100000011110000111111100000000000000000000000000000000000000000*
L2704
01*
C3073*
C39D2*
0000

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@ -8,14 +8,14 @@ Pin Label Type
--- ----- ----
2 RW pos,com input
3 PHI pos,com input
4 A9 pos,com input
5 A8 pos,com input
6 A7 pos,com input
7 A6 pos,com input
8 A5 pos,com input
9 A4 pos,com input
10 A3 pos,com input
11 A2 pos,com input
4 MOD pos,com input
5 A9 pos,com input
6 A8 pos,com input
7 A7 pos,com input
8 A6 pos,com input
9 A5 pos,com input
10 A4 pos,com input
11 A3 pos,com input
12 GND ground pin
14 A15 pos,com input
15 A14 pos,com input
@ -46,9 +46,9 @@ No of feedbacks used as dedicated outputs : 3/8 (37.5%)
21 ROM.oe 1/1 (100.0%)
21 ROM 3/7 (42.9%)
20 RAM.oe 1/1 (100.0%)
20 RAM 4/7 (57.1%)
20 RAM 6/7 (85.7%)
------------------------------------------
Total Terms 11/64 (17.2%)
Total Terms 13/64 (20.3%)
------------------------------------------
EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
@ -61,13 +61,13 @@ Copyright (c) National Semiconductor Corporation 1990-1993
CLK | 1 24 | VCC
RW | 2 23 | BANK
PHI | 3 22 | FF
A9 | 4 21 | ROM
A8 | 5 20 | RAM
A7 | 6 19 | A10
A6 | 7 18 | A11
A5 | 8 17 | A12
A4 | 9 16 | A13
A3 | 10 15 | A14
A2 | 11 14 | A15
MOD | 4 21 | ROM
A9 | 5 20 | RAM
A8 | 6 19 | A10
A7 | 7 18 | A11
A6 | 8 17 | A12
A5 | 9 16 | A13
A4 | 10 15 | A14
A3 | 11 14 | A15
GND | 12 13 | /OE
|______________|

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@ -1,15 +1,17 @@
chip GAL20V8
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
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
A11=18 A12=17 A13=16 A14=15 A15=14 RAM=20 ROM=21 FF=22 BANK=23 VCC=24
equations
/ROM = /A15 * A14 * /A13 * /A12 * /A11 * RW
+ /A15 * A14 * RW * BANK
+ A15 * /A14 * RW * BANK
/RAM = /A15 * A14 * /A13 * /A12 * A11 * /BANK * PHI
+ A15 * /A14 * /BANK * PHI
+ /A15 * A14 * A13 * /BANK * PHI
+ /A15 * A14 * /A13 * A12 * /BANK * PHI
FF = A2 * A3 * A4 * A5 * A6 * A7 * A8 * A9 * A10 * /A11 * /A12 * /A13 * A14 * /RW * PHI
/ROM = /A15 * A14 * /A13 * /A12 * /A11 * RW * MOD
+ /A15 * A14 * RW * BANK * MOD
+ A15 * /A14 * RW * BANK * MOD
/RAM = /A15 * A14 * /A13 * /A12 * A11 * /BANK * PHI * MOD
+ A15 * /A14 * /BANK * PHI * MOD
+ /A15 * A14 * A13 * /BANK * PHI * MOD
+ /A15 * A14 * /A13 * A12 * /BANK * PHI * MOD
+ /A15 * A14 * PHI * /MOD
+ A15 * /A14 * PHI * /MOD
FF = A3 * A4 * A5 * A6 * A7 * A8 * A9 * A10 * /A11 * /A12 * /A13 * A14 * /RW * PHI * MOD