SAMx8: Dragon 64 512K expansion
Ciaran Anscomb via Coco <coco-uNHYcr1XS/wmlAP/[email protected]>
| Newsgroups | gmane.comp.hardware.tandy.coco |
|---|---|
| Message-ID | <[email protected]> |
Take a SAMx4. Stick some SRAM next to it. Strip out anything to do with DRAM. What can still fit in the CPLD? Website here: https://www.6809.org.uk/dragon/samx8/ with manual here: https://www.6809.org.uk/dragon/samx8/doc/samx8.pdf The page mapping is course, but I'm thinking that having the COMMON flag register fix the top 8K in place, it may just be a reasonable fit for Fuzix. With apologies that it's probably not very directly relevant here as it's very much designed to plug into TWO sockets on a Dragon 64 motherboard - even the Tano layout differs... ..ciaran -- Coco mailing list Coco-uNHYcr1XS/wmlAP/[email protected] https://pairlist5.pair.net/mailman/listinfo/coco