3 ms·
Reading about separate row and column addresses reminded me that the Apple II had its address lines arranged in such a way that the video circuitry would natura
by fred256 6y ago
Reading about separate row and column addresses reminded me that the Apple II had its address lines arranged in such a way that the video circuitry would naturally read every row of memory, thus obviating the need for a separate refresh circuit.
(To RAM, the order of address lines doesn't matter)
- mark-r 6y agoI don't think Apple were the only ones to do this, but it is very clever.