2024-01-09 02:29:45 +01:00
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.include "lcd.h65"
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2024-08-08 20:15:50 +02:00
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.include "string.h65"
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2024-01-09 02:29:45 +01:00
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.include "ps2_keyboard_text_handler.h65"
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.export ps2_keyboard_printer
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.import home:absolute
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.code
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2024-08-08 20:15:50 +02:00
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;;********************************************************************************
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;; @brief Print characters to the display when a key was pressed
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;; @details
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;; Print the character that corresponds to a key.
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;; This uses the @ref kb "text keyboard handler" to correctly handle modifier keys
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;;
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;; Controls:
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;; - `ESC`: Jump home
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;; - `Print`: Clear the display
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;; - `F12`: Restart the program
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;; @ingroup applications keyboard
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;;********************************************************************************
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2024-01-09 02:29:45 +01:00
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.proc ps2_keyboard_printer
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jsr lcd::clear
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jsr kb::init
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2024-08-08 20:15:50 +02:00
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jeq loop
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ps2kb_PrintCmdFailed
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; jmp homeloop
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ps2kb_CmdEnable
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jsr ps2kb::begin_receive
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2024-01-09 02:29:45 +01:00
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loop:
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2024-08-08 20:15:50 +02:00
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wai
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; ; put shift, ralt and lalt in debug leds
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; lda kb::modifier
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; Reverse A
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; and #%00000111
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; ora IO1 + IO::RANH
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; sta IO1 + IO::RANH
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2024-01-09 02:29:45 +01:00
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lda kb::char
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beq @no_char
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stz kb::char
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jsr lcd::print_char
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bra loop
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@no_char:
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lda kb::keycode
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beq loop
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stz kb::keycode
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cmp #kb::K::ESCAPE
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beq @esacpe
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cmp #kb::K::PRINT
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beq @clear_display
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2024-08-08 20:15:50 +02:00
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cmp #kb::K::F12
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jeq ps2_keyboard_printer
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2024-01-09 02:29:45 +01:00
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bra loop
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@esacpe:
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jmp home
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@clear_display:
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jsr lcd::clear
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bra loop
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.endproc
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