pcb and initial code from https://github.com/das-labor/borgware-2d.git
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7 lines
233 B
7 lines
233 B
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#define DDR(port) (*(volatile uint8_t*)((&port)-1))
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#define PIN(port) (*(volatile uint8_t*)((&port)-2))
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#define DDR_FROM_PIN(pin) (*(volatile uint8_t*)((&pin)+1))
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#define PORT_FROM_PIN(pin) (*(volatile uint8_t*)((&pin)+2))
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