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@@ -18,17 +18,14 @@ In short, PAL chips programmable content can be defined as a set of equations li
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/o13 = /i9 & /i11 & o17 +
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/i7 & /i11 +
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/i6 & /i11
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-o13.oe = i6 & i7 & /i9 & o17
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/o14 = /i9 & /o13 & o18 +
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/i7 & /o13 +
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/i6 & /o13
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-o14.oe = i6 & i7 & /i9 & o18
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/o15 = i1 & /i9 & /o14 +
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/i7 & /o14 +
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/i6 & /o14
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-o15.oe = i1 & i6 & i7 & /i9
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```
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Once programmed, most of the chips have their PROM set to **read-protected**, meaning their content cannot be trivially recovered and leaving a party interested in the recovery with just a few options:
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