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by mwwhited
17 Mar 2019, 08:18
Forum: Hardware and software hacking
Topic: Expansion bus
Replies: 96
Views: 58225

Re: Expansion bus

Based on the opcode/expansion bus work so far... would it be possible to just add a new register (say MMU / DMA) that would use the ST /OE & /WE [$dd] Adding banked memory would open many options including dedicated video buffer pages. If we can move the video to an external controller circuit/memor...