33 lines
916 B
Plaintext
33 lines
916 B
Plaintext
;;********************************************************************************
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;; @module keypad4x4
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;; @type driver
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;; @device 4x4 Matrix Keypad
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;; @details
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;; The LCD must be connected to a W65C22N Interface Chip:
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;; - IO.RA0-7 ->
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;; @requires KP_IO: Base Address of IO Chip
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;; @depends IO-W65C22N
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;;********************************************************************************
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.ifndef INCLUDE_KEYPAD
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INCLUDE_KEYPAD = 1
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.include "system.h65"
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;;********************************************************************************
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;; @brief 4x4 Matrix Keypad
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;;********************************************************************************
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.scope kp
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KP_IO = IO2
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; .import KP_IO
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; .ifndef KP_IO
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; .fatal "KP_IO is not defined: set it to the base address of the IO chip of the Keypad"
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; .endif
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Import kp, init, read_irq, read
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ImportZp kp,_DEBUG_VAL
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BUF_SIZE = 10
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.endscope
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.endif ; guard
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