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* ds8874: move to video folder (led driver chip), hap2024-04-111-1/+1
| | | | misc: remove folder from self #include
* emu/devcb.h: Eliminated the need to call resolve() on callbacks. (#11333) Vas Crabb2023-06-171-7/+0
| | | | | | | | | | | | Read callbacks now need a default return value supplied at construction. Replaced isnull() with isunset() which tells you if the callback wasn't configured rather than whether it isn't safe to call. Enabled validation of device callbacks (it seems it was disabled at some point, probably accidentally). Device callbacks and object finders now implement the same interface for resolution.
* tube: Implemented parasite reset PRST line, and added to all co-processors. Nigel Barnes2022-05-201-2/+21
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* machine/tube: Added save state. Nigel Barnes2020-09-071-24/+40
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* tube: Fixed 256 byte transfer mode. Nigel Barnes2019-08-221-16/+19
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* (nw) Clean up the mess on master Vas Crabb2019-03-261-4/+4
| | | | | | | | | | | | | This effectively reverts b380514764cf857469bae61c11143a19f79a74c5 and c24473ddff715ecec2e258a6eb38960cf8c8e98e, restoring the state at 598cd5227223c3b04ca31f0dbc1981256d9ea3ff. Before pushing, please check that what you're about to push is sane. Check your local commit log and ensure there isn't anything out-of-place before pushing to mainline. When things like this happen, it wastes everyone's time. I really don't need this in a week when real work™ is busting my balls and I'm behind where I want to be with preparing for MAME release.
* Revert "conflict resolution (nw)" andreasnaive2019-03-251-4/+4
| | | | | This reverts commit c24473ddff715ecec2e258a6eb38960cf8c8e98e, reversing changes made to 009cba4fb8102102168ef32870892438327f3705.
* bus/bbc/1mhzbus, bus/bbc/tube, bus/electron, tube: Eliminate address_space ↵ AJR2019-02-251-4/+4
| | | | arguments from handlers (nw)
* tube: New TUBE device. Acorn Tube ULA for use in Acorn 2nd Processors Nigel Barnes2017-08-251-0/+315