Apple-1-HW
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apple1serial
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replaced R with T for block select C

This commit is contained in:
flowenol 2023-01-10 01:37:56 +01:00
parent bed9e586f0
commit d91f3f2ebb
3 changed files with 14 additions and 14 deletions
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4
mapping/address_decoder.jed
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@ -2,11 +2,11 @@
GAL20V8
EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
Copyright (c) National Semiconductor Corporation 1990-1993
Assembled from "c:\ADDRES~1.EQN". Date: 3-4-121
Assembled from "d:\MAPPING\ADDRES~1.EQN". Date: 1-10-123
*
NOTE PINS RW:2 A8:3 A7:4 A6:5 A5:6 A4:7 A3:8 A2:9 A1:10 A0:11*
NOTE PINS GND:12 A11:14 A10:15 A9:16 SR:17 RD:18 WD:19 ROM:20*
NOTE PINS RES:21 PHI:22 R:23 VCC:24*
NOTE PINS RES:21 PHI:22 T:23 VCC:24*
NOTE GALMODE SMALL*
QF2706*QP24*F0*
L0320

6
mapping/address_decoder.log
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@ -1,7 +1,7 @@
EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
Copyright (c) National Semiconductor Corporation 1990-1993
Log file for c:\ADDRES~1.EQN
Log file for d:\MAPPING\ADDRES~1.EQN
Device: 20V8
Pin Label Type
@ -26,7 +26,7 @@ Pin Label Type
20 ROM neg,com output
21 RES pos,com output
22 PHI pos,com input
23 R pos,com input
23 T pos,com input
24 VCC power pin
EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
@ -59,7 +59,7 @@ Copyright (c) National Semiconductor Corporation 1990-1993
._____ _____.
| \__/ |
| 1 24 | VCC
RW | 2 23 | R
RW | 2 23 | T
A8 | 3 22 | PHI
A7 | 4 21 | RES
A6 | 5 20 | ROM

18
mapping/addressdecoder.eqn
View File

@ -2,15 +2,15 @@ chip GAL20V8
NC3=1 RW=2 A0=11 A1=10 A2=9 A3=8 A4=7 A5=6 A6=5 A7=4 A8=3 GND=12
A9=16 A10=15 A11=14 SR=17 RD=18 WD=19 ROM=20 RES=21 PHI=22
R=23 VCC=24
T=23 VCC=24
equations
SR = /A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * /A7 * /A8 * /A9 * /A10 * /A11 * /R * RW
RD = /A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * A7 * /A8 * /A9 * /A10 * /A11 * /R * RW
WD = A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * A7 * /A8 * /A9 * /A10 * /A11 * /R * /RW * PHI
/ROM = /A11 * A8 * /R * RW
+ /A11 * A9 * /R * RW
+ /A11 * A10 * /R * RW
+ A2 * A3 * A4 * A5 * A6 * A7 * /A8 * /A9 * /A10 * /A11 * /R * RW
RES = A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * /A7 * /A8 * /A9 * /A10 * /A11 * /R * RW
SR = /A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * /A7 * /A8 * /A9 * /A10 * /A11 * /T * RW
RD = /A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * A7 * /A8 * /A9 * /A10 * /A11 * /T * RW
WD = A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * A7 * /A8 * /A9 * /A10 * /A11 * /T * /RW * PHI
/ROM = /A11 * A8 * /T * RW
+ /A11 * A9 * /T * RW
+ /A11 * A10 * /T * RW
+ A2 * A3 * A4 * A5 * A6 * A7 * /A8 * /A9 * /A10 * /A11 * /T * RW
RES = A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * /A7 * /A8 * /A9 * /A10 * /A11 * /T * RW