* 2x Pin header 1x10
* 2x capacitor 100nF
* 2x ATF16V8 (or other PAL16L8 compatible ICs)- [https://www.cpcwiki.eu/imgs/f/f7/CPC_6512jed.zip JED files]
The assembly is pretty much identical to the PCB description above with the following changes:
[[File:CPC6512 1.jpg|thumbnail|left]] [[File:CPC6512 2.jpg|thumbnail|right]] [[File:CPC6512 3.jpg|thumbnail|none]]
PAL1:
<small><pre>
/* *************** INPUT PINS *********************/
PIN 1 = Q0 ; /* */
PIN 2 = RAMDIS ; /* */
PIN 3 = Q1 ; /* */
PIN 4 = Q2 ; /* */
PIN 5 = Q3 ; /* */
PIN 6 = Q4 ; /* */
PIN 7 = Q5 ; /* */
PIN 8 = A15 ; /* */
PIN 9 = A14 ; /* */
PIN 11 = nCPU ; /* */
PIN 15 = nCASADR ; /* */
PIN 16 = nCAS ; /* */
/* *************** OUTPUT PINS *********************/
PIN 12 = A15OUT ; /* */
PIN 13 = BANKING ; /* */
PIN 14 = A8 ; /* */
PIN 17 = nCAS1 ; /* */
PIN 18 = nCAS0 ; /* */
PIN 19 = A14OUT ; /* */
A14OUT = !( !A14
# !A15 & !Q0 & Q2 );
A15OUT = !( !A15 & !A14
# !A15 & !Q1
# !A15 & !Q0 & !Q2 );
nCAS0 = ( nCAS
# !nCAS1
# !nCPU & nCAS0 & RAMDIS
# !nCPU & nCAS0 & BANKING & !Q5
);
BANKING = ( !A15 & A14 & Q2
# A15 & A14 & Q0 & !Q2
# !Q0 & Q1 & !Q2);
nCAS1 = !( !nCAS & nCAS0 & !nCPU & !A15 & A14 & Q2 & !Q5 & !RAMDIS
# !nCAS & nCAS0 & !nCPU & A15 & A14 & Q0 & !Q2 & !Q5 & !RAMDIS
# !nCAS & nCAS0 & !nCPU & !Q0 & Q1 & !Q2 & !Q5 & !RAMDIS
# !nCAS & nCAS0 & !A15 & A14 & Q2 & !Q5 & !nCAS1
# !nCAS & nCAS0 & A15 & A14 & Q0 & !Q2 & !Q5 & !nCAS1
# !nCAS & nCAS0 & !Q0 & Q1 & !Q2 & !Q5 & !nCAS1 );
A8 = ( Q5 & BANKING & !Q3 & !nCASADR & !nCPU
# Q5 & BANKING & !Q4 & nCASADR & !nCPU
# Q5 & BANKING & Q3 & Q4 & !nCPU
# !Q5 & BANKING & Q3 & !nCASADR & !nCPU
# !Q5 & BANKING & Q4 & nCASADR & !nCPU
);
</pre></small>
PAL2:
<small><pre>
/* *************** INPUT PINS *********************/
PIN 1 = D6D7 ; /* */
PIN 2 = D0 ; /* */
PIN 3 = nRESET ; /* */
PIN 4 = D1 ; /* */
PIN 5 = D2 ; /* */
PIN 6 = D3 ; /* */
PIN 7 = D4 ; /* */
PIN 8 = D5 ; /* */
PIN 9 = A15 ; /* */
PIN 11 = nIOWR ; /* */
/* *************** OUTPUT PINS *********************/
PIN 13 = Q5 ; /* */
PIN 14 = Q4 ; /* */
PIN 15 = Q3 ; /* */
PIN 16 = Q2 ; /* */
PIN 17 = Q1 ; /* */
PIN 18 = Q0 ; /* */
Q0 = ( nRESET & D6D7 & !A15 & !nIOWR & D0
# nRESET & !D6D7 & Q0
# nRESET & A15 & Q0
# nRESET & nIOWR & Q0 );
Q1 = ( nRESET & D6D7 & !A15 & !nIOWR & D1
# nRESET & !D6D7 & Q1
# nRESET & A15 & Q1
# nRESET & nIOWR & Q1 );
Q2 = ( nRESET & D6D7 & !A15 & !nIOWR & D2
# nRESET & !D6D7 & Q2
# nRESET & A15 & Q2
# nRESET & nIOWR & Q2 );
Q3 = ( nRESET & D6D7 & !A15 & !nIOWR & D3
# nRESET & !D6D7 & Q3
# nRESET & A15 & Q3
# nRESET & nIOWR & Q3 );
Q4 = ( nRESET & D6D7 & !A15 & !nIOWR & D4
# nRESET & !D6D7 & Q4
# nRESET & A15 & Q4
# nRESET & nIOWR & Q4 );
Q5 = ( nRESET & D6D7 & !A15 & !nIOWR & D5
# nRESET & !D6D7 & Q5
# nRESET & A15 & Q5
# nRESET & nIOWR & Q5 );
</pre></small>
== References and links ==