| Commit message (Collapse) | Author | Age | Files | Lines |
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mm2: remove copypasted input ports
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function signatures. (#11283) [Ryan Holtz]
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"mfm", "fm" and "pc" list of formats. Their contents, and which driver uses what, may need some tuning.
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https://github.com/mamedev/mame/tree/devcb-no-space branch build. (nw)
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with it enabled (nw) (#5576)
* work towards betadisc (nw)
* work towards older betadisk support (nw)
* some refactoring (nw)
* add note from Metallic (nw)
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* 6821pia: fix method names in comments
* zwackery: Remove PIA port A z_mask setting.
This would only be relevant if the PIA was read while in output mode.
These are inputs, and only read in input mode, so z_mask is not relevant.
* thomson: move pia pullup resistors from z_mask to read handler.
* 6821pia: remove unused set_port_a_z_mask calls.
* dgn_beta: move pia pullup resistors from z_mask to read handler.
* mpu3: Don't invert the VFD power on reset line.
It doesn't go through an inverter. I believe this was done to work
around a bug in the PIA port A implementation.
* pia6821: remove m_port_a_z_mask variable.
* 6821pia: For port A reads, only use the DDR for reading pins unless.
Provide an override option when a device depends on slightly undefined
behavior of an external device driving the pins and changing the value
read.
One board seems to need this (coinmstr). I don't have the schematics,
but it seems it uses this to check its meter operation.
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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.
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This reverts commit c24473ddff715ecec2e258a6eb38960cf8c8e98e, reversing
changes made to 009cba4fb8102102168ef32870892438327f3705.
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