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Actually, the very first Apple IIs only supported 4 colors in hi-res mode. The 8th bit was ignored. A later revision added support for 6 colors, using the 8th
by thought_alarm 6y ago
Actually, the very first Apple IIs only supported 4 colors in hi-res mode. The 8th bit was ignored.
A later revision added support for 6 colors, using the 8th bit to shift the pixels and change the pallet.
- mzs 6y agoThank, I just consulted appendix B of my copy, you are correct. DL7 is unconnected in nonRFI rev0 though every later Apple II RFI or not could do 6 color HIRES.