Kenichi Kobayashi kencoba

## yohooos.asm
; % nasm -f bin -o yohooos.img yohooos.asm -l yohooos.lst
; 川合秀実著,「OS自作入門」のコードほぼそのまま
; TAB=4

        ORG     0x7c00          ; このプログラムがどこに読み込まれるのか

; 以下は標準的なFAT12フォーマットフロッピーディスクのための記述

start:  JMP     entry
        DB      0x90

## helloos2.nas
; hello-os
; TAB=4

; ..\z_tools\nask.exe helloos2.nas helloos.img

    DB  0xeb, 0x4e, 0x90
    DB  "HELLOIPL"
    DW  512
    DB  1
    DW  1

## functionPointers.c
#include <stdio.h>
#include <string.h>

// func1 returns a char.
char func1()
{
    return 'a';
}

// func2 returns a pointer to char.

## copyDirs.sh
#!/usr/bin/env zsh

if [ $# -ne 2 ]; then
    echo "$# args specified" 1>&2
    echo "usage: sh ./copyDir.sh from_directory to_directory" 1>&2
    exit 1
fi
from_dir=$1
to_dir=$2

## sec_to_hms.rb
interval = gets.to_i

sec = interval % 60
hour = interval / (60 * 60)
min = (interval - (hour * 60 * 60)) / 60
printf("%02d:%02d:%02d", hour, min, sec)

## MarkerList.sh
#!/usr/bin/env zsh

for difffile in *.txt
do
    hms=`sort -n $difffile | awk 'BEGIN{threshold = 1000} $1 < threshold {print $2}' | sort -n | head -n 1 | ruby sec_to_hms.rb`
    if [[ $hms == "00:00:00" ]] then
        hms=`sort -n $difffile | awk '{print $2}' | head -n 1 | ruby sec_to_hms.rb`
    fi
    echo "$hms ${difffile}"
done

## MakeDiffs.sh
#!/usr/bin/env zsh

if [ $# -ne 2 ]; then
    echo "$# args specified" 1>&2
    echo "usage: sh ./makeDiffs.sh marker_directory target_directory" 1>&2
    echo "caution! : the subdirectories of target_directory must be same the marker_directory's subdirectories."
    exit 1
fi

for marker in $1/**/*.png

## diffs.sh
#!/usr/bin/env zsh

if [ $# -ne 2 ]; then
    echo "$# args specified" 1>&2
    echo "usage: sh ./diffs.sh marker_filename target_directory" 1>&2
    exit 1
fi

for target in $2/*.png
do

## mp42png.sh
#!/usr/bin/env zsh

if [ $# -ne 2 ]; then
    echo "$# args specified" 1>&2
    echo "usage: sh ./mp42png.sh mp4_filename output_directory" 1>&2
    exit 1
fi

( mkdir -p $2 && rm -rf $2 && ffmpeg -i $1 -r 1 -vcodec png $2/%05d.png && mogrify -threshold 50% $2/*.png )

## index.html
<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<style>
			.button {
				width: 40%;
				text-align: left;
			}
		</style>
	; % nasm -f bin -o yohooos.img yohooos.asm -l yohooos.lst
	; 川合秀実著,「OS自作入門」のコードほぼそのまま
	; TAB=4

	ORG 0x7c00 ; このプログラムがどこに読み込まれるのか

	; 以下は標準的なFAT12フォーマットフロッピーディスクのための記述

	start: JMP entry
	DB 0x90
	; hello-os
	; TAB=4

	; ..\z_tools\nask.exe helloos2.nas helloos.img

	DB 0xeb, 0x4e, 0x90
	DB "HELLOIPL"
	DW 512
	DB 1
	DW 1
	#include <stdio.h>
	#include <string.h>

	// func1 returns a char.
	char func1()
	{
	return 'a';
	}

	// func2 returns a pointer to char.
	#!/usr/bin/env zsh

	if [ $# -ne 2 ]; then
	echo "$# args specified" 1>&2
	echo "usage: sh ./copyDir.sh from_directory to_directory" 1>&2
	exit 1
	fi
	from_dir=$1
	to_dir=$2
	interval = gets.to_i

	sec = interval % 60
	hour = interval / (60 * 60)
	min = (interval - (hour * 60 * 60)) / 60
	printf("%02d:%02d:%02d", hour, min, sec)
	#!/usr/bin/env zsh

	for difffile in *.txt
	do
	hms=`sort -n $difffile \| awk 'BEGIN{threshold = 1000} $1 < threshold {print $2}' \| sort -n \| head -n 1 \| ruby sec_to_hms.rb`
	if [[ $hms == "00:00:00" ]] then
	hms=`sort -n $difffile \| awk '{print $2}' \| head -n 1 \| ruby sec_to_hms.rb`
	fi
	echo "$hms ${difffile}"
	done
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8">
	<style>
	.button {
	width: 40%;
	text-align: left;
	}
	</style>