HAL CHIP EQUATIONS - BASED ON ORIGINAL MATERIAL FROM
ROBERT KLEIN IN HIS ARTICLE QL_clones_hardware.pdf
====================================================

SLIGHTLY MODIFIED VERSION FROM MARCEL KILGUS
(FROM SINCLAIR QL FOR EVERYONE FACEBOOK GROUP)
==============================================
(Please note: it was established that newer chips may be too fast,
better to use the older, slower 25ns type)

title     QLMOD HAL16L8
pattern   QLMOD
revision  A 
author    Michael Klein, slightly modified by Marcel Kilgus
company   Klein
date      9/9/93
;---------------------------------------------------------------------
chip QLMOD GAL16V8

; pin 1   2   3    4    5   6    7    8    9   10
      fc1 a16 a17 /dsmc a6 /txoe rxd1 rxd2 fc0 gnd
; pin 11  12     13  14   15  16  17   18  19    20
      d7  killh /vpa int /oe  o1 /pcen o2  dtack vcc
;---------------------------------------------------------------------

equations
                  ; according to QL CIRCUIT DIAGRAM (Issue 5) 1.17
int = rxd1 * rxd2 ; IC27 2xNAND = (serial port)
vpa = fc0 * fc1   ; IC27 1xNAND = 0 at interrupt
killh = fc0 * fc1 ; IC27 1xNAND = 1 at interrupt
                  ; (behind vpa = AND with fc0, fc1

; ZX8302 is (in German (SG18 - Korea made)) connected directly
; with the 68008 databus :
; The oe signal for the 74LS245 must not be active then.
;----------------------------------------------------------------------
oe = txoe * /pcen * dsmc

; New Chip Select for the ZX8302
;----------------------------------------------------------------------
pcen = a16 * /a17 * /a6 * dsmc

; o1 = pcen * /fc0 + pcen * /fc1   ; not necessary , test

; DTACK from new Chip Select.
; Also generated by the ZX8301, because it generated the pcen in
; times when the ZX8302 was connected to the CPU through the
; 74LS245.
; Now that's the job of the GAL.
;----------------------------------------------------------------------
dtack.trst = pcen
dtack = gnd

; END QLMOD GAL16V8


JEDEC, MIROSLAV WERNER, FROM SINCLAIR QL FOR EVERYONE FACEBOOK GROUP
====================================================================
GAL16V8
EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
Copyright (c) National Semiconductor Corporation 1990-1993
Assembled from "C:\OPAL\QL2.eqn". Date: 1-21-119
title QLMOD HAL16L8
pattern QLMOD
revision A
author Michael Klein, slightly modified by Marcel Kilgus
company Klein
date 9/9/93
*
NOTE PINS fc1:1 a16:2 a17:3 /dsmc:4 a6:5 /txoe:6 rxd1:7 rxd2:8*
NOTE PINS fc0:9 gnd:10 d7:11 killh:12 /vpa:13 int:14 /oe:15 o1:16*
NOTE PINS /pcen:17 o2:18 dtack:19 vcc:20*
NOTE GALMODE MEDIUM*
QF2194*QP20*F0*
L0000
11111111111011111111111111111111
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000*
L0256
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000*
L0512
11111111111111111111111111111111
01111011101110111111111111111111
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000*
L0768
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000*
L1024
11111111111111111111111111111111
11111111100111111011111111111111
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000*
L1280
11111111111111111111111111111111
11111111111111111111011101111111
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000*
L1536
11111111111111111111111111111111
11011111111111111111111111110111
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000*
L1792
11111111111111111111111111111111
11011111111111111111111111110111
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000*
L2048
10000101*
L2056
0000000000000000000000000000000000000000000000000000000000000000*
L2120
11111111*
L2128
1000000000000000110000000000000011000000110000001100000011000000*
L2192
11*
C2CFB*
0000