Increase speed of GPIO level changing

idolpx / meatloaf-specialty

A Commodore IEC serial multi-device emulator

GNU General Public License v3.0

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Closed FozzTexx closed 1 year ago

FozzTexx commented 1 year ago

Don't toggle high/low on GPIO, instead lock output at low and toggle between input/output mode
Use direct GPIO register manipulation to switch input/output mode

FozzTexx commented 1 year ago

Tested on Commodore 128 in C128 and C64 mode.