HSPTV!掲示板

プログラミングやコンピュータに関する事はあまり詳しくないため、多少わかりにくい文章になっているかも知れませんが、質問させて下さい。
バイナリデータをpoke命令で変数に記録したのですが、最後、無駄にヌルが入ってしまいます。
このヌルを消すには、どうすれば良いでしょうか。お願いします。

内容を説明させて頂きます。
まず、鳴らす音の書かれたファイル「sakura.ctn」が有ります。

2901
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一行目は数字の個数、二行目は音の鳴らし方です。
自然数は音を鳴らし、-1は音を鳴らすのをやめ、0は何もしないとなっています。
自然数の意味は次の通りです。
1：ミ
2：低ラ
3：低シ
4：ド
5：ミ
6：ファ
7：ラ
8：シ
9：高ド
10：高ミ
11：高ファ
12：高ラ
13：高シ
+13：半音上げる
+26：全音上げる

次に、プログラムリストについてです。
このプログラムは、先ほどのデータをSMFに変換するものです。

	OTO(1)=64
	OTO(2)=57
	OTO(3)=59
	OTO(4)=60
	OTO(5)=64
	OTO(6)=65
	OTO(7)=69
	OTO(8)=71
	OTO(9)=72
	OTO(10)=76
	OTO(11)=77
	OTO(12)=81
	OTO(13)=83
	NOTESEL RECDATA
	NOTELOAD "sakura.ctn
	noteget mojisu,0
	sdim mdata,int(mojisu)
	naiyo='M','T','h','d',0,0,0,6,0,0,0,1,1,$e0,'M','T','r','k',0,0,0,0,0,$c0,107
	byte=25
	foreach naiyo
	poke mdata,cnt,naiyo(cnt)
	loop
	NOTEGET PLAYDT,1
	split playdt,","
	repeat
	if cnt>int(mojisu): break
	GETSTR BGM,PLAYDT,index,','
	INDEX+=STRSIZE
	if bgm=="0": countt+ :else: gosub *noteset
	loop
	poke mdata,byte,$ff:byte+
	poke mdata,byte,$2f:byte+
	poke mdata,byte,0
	mdata=strtrim(mdata,2,0)
	poke mdata,byte,0
	bsave "aaa.mid",mdata
	stop

*noteset
	dim qing
	repeat
	if countt/powf(128,cnt)\128==0: break
	qing(cnt)=countt/powf(128,cnt)\128
	loop
	repeat length(qing)-1
	qing(cnt+1)+128
	loop
	repeat length(qing)
	poke mdata,byte,length(qing)-1-cnt:byte+
	loop
	if bgm=="-1": poke mdata,byte,$80:byte+ :else: poke mdata,byte,$90:byte+
	if bgm!="-1": OFF=OTO((INT(BGM)-1)\13+1)+(INT(BGM)-1)/13
	if bgm=="-1": poke mdata,byte,off:byte+ :else: poke mdata,byte,OTO((INT(BGM)-1)\13+1)+(INT(BGM)-1)/13:byte+
	poke mdata,byte,$7f:byte+
	countt=0
	return

これを実行してMIDIファイルを作ると、なぜか最後にヌルが連続します。
なので、どうすればヌルを消せるか、どなたか教えて下さい。お願いします。

無駄が多いような気もしますが、とりあえず

>>bsave "aaa.mid",mdata

のパラメーターをきちんと指定しましょう。

御回答ありがとう御座います。ヌルは消えました。
変更後↓

	OTO(1)=64

	OTO(2)=57
	OTO(3)=59
	OTO(4)=60
	OTO(5)=64
	OTO(6)=65
	OTO(7)=69
	OTO(8)=71
	OTO(9)=72
	OTO(10)=76
	OTO(11)=77
	OTO(12)=81
	OTO(13)=83
	NOTESEL RECDATA
	NOTELOAD "sakura.ctn
	noteget mojisu,0
	sdim mdata,int(mojisu)
	naiyo='M','T','h','d',0,0,0,6,0,0,0,1,0,50,'M','T','r','k',0,0,0,0,0,$c0,107
	byte=25
	foreach naiyo
	poke mdata,cnt,naiyo(cnt)
	loop
	NOTEGET PLAYDT,1
	split playdt,","
	repeat
	if cnt>int(mojisu): break
	GETSTR BGM,PLAYDT,index,','
	INDEX+=STRSIZE
	if bgm=="0": countt+ :else: gosub *noteset
	loop
	poke mdata,byte,$ff:byte+
	poke mdata,byte,$2f:byte+
	poke mdata,byte,0:byte+
	poke mdata,18,(byte-22)/powf(256,3)\256
	poke mdata,19,(byte-22)/powf(256,2)\256
	poke mdata,20,(byte-22)/powf(256,1)\256
	poke mdata,21,(byte-22)/powf(256,0)\256
	bsave "aaa.mid",mdata,byte
	stop

*noteset
	dim qing
	repeat
	if countt/powf(128,cnt)\128==0: break
	qing(cnt)=countt/powf(128,cnt)\128
	loop
	repeat length(qing)-1
	qing(cnt+1)+128
	loop
	repeat length(qing)
	poke mdata,byte,length(qing)-1-cnt:byte+
	loop
	if bgm=="-1": poke mdata,byte,$80:byte+ :else: poke mdata,byte,$90:byte+
	if bgm!="-1": OFF=OTO((INT(BGM)-1)\13+1)+(INT(BGM)-1)/13
	if bgm=="-1": poke mdata,byte,off:byte+ :else: poke mdata,byte,OTO((INT(BGM)-1)\13+1)+(INT(BGM)-1)/13:byte+
	poke mdata,byte,$7f:byte+
	countt=0
	return

実行してMIDIファイルを作成したのですが、再生出来ません。
どうすれば再生出来るか、御存知でしたら教えて下さい。

> 無駄が多いような気もしますが
確かに…
二度同じ事を繰り返している箇所は消したつもりだったのですが、一部が残っていたみたいです。

解決させないんですか？

解決させないんですか？

大事なことなので２度？？

>>実行してMIDIファイルを作成したのですが、再生出来ません。
>>どうすれば再生出来るか、御存知でしたら教えて下さい。

フォーマット理解してバイナリレベルで操作しているんだから、出来た
ファイルを解析すれば解決するかと思うよ？

それに「再生出来ません」じゃ、何も伝わらないよ。

失礼しました。
解決です。