z80dma.cpp: burst mode and refactoring

mamedev / mame

MAME

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Open holub opened 1 week ago

holub commented 1 week ago

~~Opening as a draft as requires following (volunteers are appreciated) to be completed...~~

validate existing drivers which uses it and wire busack

m_maincpu->busack_cb().set(m_dma, FUNC(z80dma_device::bai_w));
m_dma->out_busreq_callback().set_inputline(m_maincpu, Z80_INPUT_LINE_BUSRQ);

holub commented 1 week ago

I think it's ready now. Just maybe let's postpone the merge till current version released.

angelosa commented 1 week ago

Self assigning for testing my turf here (sunwise/anoworld.cpp & sharp/x1.cpp).

holub commented 6 days ago

~~I decided to do deeper refactoring. Let's hold on this one.~~

holub commented 4 days ago

zorba has been broken and I'm not really sure why

holub commented 1 day ago

zorba has been broken and I'm not really sure why

zorba is back in the business