From b36e532b5e0eef219f33075e6e60b68d104484ee Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Sat, 4 Jun 2016 00:10:47 -0400
Subject: cleans up folder structure

* consolidates docs
* deletes converter/
* updates .md references (most)
---
 converter/pc98_usb/matrix.c | 211 --------------------------------------------
 1 file changed, 211 deletions(-)
 delete mode 100644 converter/pc98_usb/matrix.c

(limited to 'converter/pc98_usb/matrix.c')

diff --git a/converter/pc98_usb/matrix.c b/converter/pc98_usb/matrix.c
deleted file mode 100644
index 8833e0a85..000000000
--- a/converter/pc98_usb/matrix.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <avr/io.h>
-#include <util/delay.h>
-#include "print.h"
-#include "util.h"
-#include "matrix.h"
-#include "debug.h"
-#include "protocol/serial.h"
-
-
-/*
- * Matrix Array usage:
- *
- * ROW: 16(4bits)
- * COL:  8(3bits)
- *
- *    8bit wide
- *   +---------+
- *  0|00 ... 07|
- *  1|08 ... 0F|
- *  :|   ...   |
- *  :|   ...   |
- *  E|70 ... 77|
- *  F|78 ... 7F|
- *   +---------+
- */
-static uint8_t matrix[MATRIX_ROWS];
-#define ROW(code)      ((code>>3)&0xF)
-#define COL(code)      (code&0x07)
-
-static bool is_modified = false;
-
-
-inline
-uint8_t matrix_rows(void)
-{
-    return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
-
-static void pc98_inhibit_repeat(void)
-{
-    uint8_t code;
-
-    while (serial_recv()) ;
-RETRY:
-    PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
-    _delay_ms(500);
-    serial_send(0x9C);
-
-    PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-    _delay_ms(100);
-    while (!(code = serial_recv())) ;
-    print("PC98: send 9C: "); print_hex8(code); print("\n");
-    if (code != 0xFA) goto RETRY;
-
-
-
-    PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
-    _delay_ms(100);
-    serial_send(0x70);
-
-    PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-    _delay_ms(100);
-    //code = serial_recv();
-    while (!(code = serial_recv())) ;
-    print("PC98: send 70: "); print_hex8(code); print("\n");
-    if (code != 0xFA) goto RETRY;
-}
-
-void matrix_init(void)
-{
-    PC98_RST_DDR |= (1<<PC98_RST_BIT);
-    PC98_RDY_DDR |= (1<<PC98_RDY_BIT);
-    PC98_RTY_DDR |= (1<<PC98_RTY_BIT);
-    PC98_RST_PORT |= (1<<PC98_RST_BIT);
-    PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
-    PC98_RTY_PORT |= (1<<PC98_RTY_BIT);
-
-
-    serial_init();
-
-    // PC98 reset
-/*
-    PC98_RST_PORT &= ~(1<<PC98_RST_BIT);
-    _delay_us(15);
-    PC98_RST_PORT |= (1<<PC98_RST_BIT);
-    _delay_us(13);
-    PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-*/
-
-    _delay_ms(500);
-    pc98_inhibit_repeat();
-
-
-    // PC98 ready
-    PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-
-    // initialize matrix state: all keys off
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
-
-    debug("init\n");
-    return;
-}
-
-uint8_t matrix_scan(void)
-{
-    is_modified = false;
-
-    uint16_t code;
-    PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
-    _delay_us(30);
-    code = serial_recv2();
-    PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-    if (code == -1) return 0;
-
-if (code == 0x60) {
-    pc98_inhibit_repeat();
-
-/*
-    PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
-    _delay_ms(100);
-    serial_send(0x96);
-    PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-*/
-
-    return 0;
-}
-
-    print_hex8(code); print(" ");
-
-    if (code&0x80) {
-        // break code
-        if (matrix_is_on(ROW(code), COL(code))) {
-            matrix[ROW(code)] &= ~(1<<COL(code));
-            is_modified = true;
-        }
-    } else {
-        // make code
-        if (!matrix_is_on(ROW(code), COL(code))) {
-            matrix[ROW(code)] |=  (1<<COL(code));
-            is_modified = true;
-        }
-    }
-    return code;
-}
-
-bool matrix_is_modified(void)
-{
-    return is_modified;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
-    return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-    return (matrix[row] & (1<<col));
-}
-
-inline
-uint8_t matrix_get_row(uint8_t row)
-{
-    return matrix[row];
-}
-
-void matrix_print(void)
-{
-    print("\nr/c 01234567\n");
-    for (uint8_t row = 0; row < matrix_rows(); row++) {
-        phex(row); print(": ");
-        pbin_reverse(matrix_get_row(row));
-        print("\n");
-    }
-}
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        count += bitpop(matrix[i]);
-    }
-    return count;
-}
-- 
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