1 files changed, 0 insertions, 75 deletions
diff --git a/protocol/x68k.c b/protocol/x68k.c
deleted file mode 100644
index d17af51cc2..0000000000
--- a/protocol/x68k.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
-Copyright 2012 Jun WAKO <wakojun@gmail.com>
-
-This software is licensed with a Modified BSD License.
-All of this is supposed to be Free Software, Open Source, DFSG-free,
-GPL-compatible, and OK to use in both free and proprietary applications.
-Additions and corrections to this file are welcome.
-
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-* Redistributions of source code must retain the above copyright
-  notice, this list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright
-  notice, this list of conditions and the following disclaimer in
-  the documentation and/or other materials provided with the
-  distribution.
-
-* Neither the name of the copyright holders nor the names of
-  contributors may be used to endorse or promote products derived
-  from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include <stdbool.h>
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include "x68k.h"
-
-
-void x68k_init(void)
-{
-    KBD_RX_INIT();
-}
-
-// RX ring buffer
-#define RBUF_SIZE   8
-static uint8_t rbuf[RBUF_SIZE];
-static uint8_t rbuf_head = 0;
-static uint8_t rbuf_tail = 0;
-
-uint8_t x68k_recv(void)
-{
-    uint8_t data = 0;
-    if (rbuf_head == rbuf_tail) {
-        return 0;
-    }
-
-    data = rbuf[rbuf_tail];
-    rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
-    return data;
-}
-
-// USART RX complete interrupt
-ISR(KBD_RX_VECT)
-{
-    uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
-    if (next != rbuf_tail) {
-        rbuf[rbuf_head] = KBD_RX_DATA;
-        rbuf_head = next;
-    }
-}