3 ms·
It's a grid of 24 rows (or is it 25?) of 40 bytes, top to bottom, left to right, one byte per char... not exactly uncommon for character mapped displays.
by tom_ 7y ago
It's a grid of 24 rows (or is it 25?) of 40 bytes, top to bottom, left to right, one byte per char... not exactly uncommon for character mapped displays.
- scarface74 7y agoThat wasn’t how the Apple II stored characters. The memory didn’t map contiguously to screen positions where you could calculate the character position using $400+x+y*40.