Modified applet.memory.prom to support latching shift registers #201
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… address high bits Added and documented the --pin-a-lat latch drive option Added the address latch signal to the underlying hardware elaborate Added some comments to aid future readers Added two latch states to get a long enough pulse Made the latch states for the FSM only generate when the address latch signal does
whitequark
approved these changes
Aug 26, 2020
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Thank you for the excellent contribution! |
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This patch supports use of latched shift registers to expand the pool of usable shift registers for this applet.
Additionally, it supports use of devices that need to see the address pins change in one shot such as when supporting smaller pin-compatible devices on one interface board.