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Z8410 DMA chip as GPU?

I've been thinking about something like this myself, recently. I wasn't planning on using a Z8410, though, but an Intel 8257-5. This has a number of advantages: It has 4 controller channels rather ...
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17 votes

Z8410 DMA chip as GPU?

It has been already done for ZX spectrum. see Velesoft: DATA-GEAR It has DIL40 socket compatible pins at the bottom and it replaces Z80 (so the bus is as short as possible). According to that site ...
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11 votes

Z8410 DMA chip as GPU?

Pushing large chunks of bytes around is actually a task a DMA chip is very good at. The point is: Pushing partial bytes around is a task a DMA chip doesn't help sooo much, there is a lot of the job ...
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8 votes
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Breakeven number of bytes for programmable DMA

each DMA transfer must be programed so you need to set some I/O registers of the DMA chip like: BYTE DMA mode WORD source address WORD destination address WORD block size These are usually send by ...
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8 votes

Z8410 DMA chip as GPU?

Is it possible that you're using the here the term 'blit' as in Bit-Blit? If yes, than it's inaproptiate, as your examples are only about moving (byte) data. Moving is just one function of a bit blit ...
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