JPS63101992U - - Google Patents
Info
- Publication number
- JPS63101992U JPS63101992U JP19748486U JP19748486U JPS63101992U JP S63101992 U JPS63101992 U JP S63101992U JP 19748486 U JP19748486 U JP 19748486U JP 19748486 U JP19748486 U JP 19748486U JP S63101992 U JPS63101992 U JP S63101992U
- Authority
- JP
- Japan
- Prior art keywords
- character
- inputting
- character code
- predetermined number
- read out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本案となるキヤラクタジエネレータの
構成図、第２図はキヤラクタジエネレータ内部の
実施例におけるアドレス変換部の構成図である。
１０１……文字番号入力バツフア、１０２……
アドレス変換部、１０３……アドレスデコーダ、
１０４……文字パターン記憶部、１０５……デー
タセレクタ、１０６……３ステートバツフア、１
０７……コントロール信号入力バツフア、２０１
……文字コード変換部、２０２……アクセスカウ
ンタ、２１１……データセレクタ、２１２……３
２進カウンタ。
FIG. 1 is a block diagram of a character generator according to the present invention, and FIG. 2 is a block diagram of an address converter in an embodiment inside the character generator. 101...Character number input buffer, 102...
Address conversion unit, 103...address decoder,
104... Character pattern storage unit, 105... Data selector, 106... 3-state buffer, 1
07...Control signal input buffer, 201
...Character code conversion unit, 202...Access counter, 211...Data selector, 212...3
binary counter.
Claims (1)
クセスカウンタ、アドレスデコーダからなる Ｒ
ＯＭで１度の物理アドレスの入力により文字パタ
ーンを所定数分だけ読み出すようにしたことを特
徴とするキヤラクタジエネレータ。 ２ 請求の範囲第１項において、文字コード変換
部を設け文字コードを入力することにより ＲＯＭ内部で文字コードを物理アドレスに変換し
文字パターンを所定数分だけ読み出すようにした
ことを特徴とするキヤラクタジエネレータ。[Claims for Utility Model Registration] 1 R consisting of a character pattern storage section, a readout circuit section, an access counter, and an address decoder.
A character generator characterized in that a predetermined number of character patterns are read out by inputting a physical address once in an OM. 2. A carrier as set forth in claim 1, characterized in that a character code converter is provided, and by inputting the character code, the character code is converted into a physical address within the ROM, and a predetermined number of character patterns are read out. lactage generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19748486U JPS63101992U (en) | 1986-12-24 | 1986-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19748486U JPS63101992U (en) | 1986-12-24 | 1986-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63101992U true JPS63101992U (en) | 1988-07-02 |
Family
ID=31157267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19748486U Pending JPS63101992U (en) | 1986-12-24 | 1986-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63101992U (en) |
-
1986
- 1986-12-24 JP JP19748486U patent/JPS63101992U/ja active Pending
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