JPS6059673B2 - ROM writer writing method - Google Patents

ROM writer writing method

Info

Publication number
JPS6059673B2
JPS6059673B2 JP56121563A JP12156381A JPS6059673B2 JP S6059673 B2 JPS6059673 B2 JP S6059673B2 JP 56121563 A JP56121563 A JP 56121563A JP 12156381 A JP12156381 A JP 12156381A JP S6059673 B2 JPS6059673 B2 JP S6059673B2
Authority
JP
Japan
Prior art keywords
data
rom
rom writer
writer
computer
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.)
Expired
Application number
JP56121563A
Other languages
Japanese (ja)
Other versions
JPS5823392A (en
Inventor
広 大條
哲教 吹浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP56121563A priority Critical patent/JPS6059673B2/en
Publication of JPS5823392A publication Critical patent/JPS5823392A/en
Publication of JPS6059673B2 publication Critical patent/JPS6059673B2/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C17/00Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/14Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM

Description

【発明の詳細な説明】 本発明は、コンピュータ特にマイコンからデータ(プロ
グラム)をROM(ReadOnlyMemory:読
取り専用メモリ)に書き込むためROMライタを使用す
る場合、コンピュータからROMライタヘのデータ転送
及び書き込み方式に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a data transfer and writing method from a computer to a ROM writer when a ROM writer is used to write data (programs) from a computer, particularly a microcomputer, to a ROM (Read Only Memory). It is.

上記ROMとして、PROM(Programable
ROM:使用者が購入後1回だけデータ書き込みが可能
なROM)又はEPROM(ErasableandP
rogramableROM:使用者が購入後データの
書き込み及び消去を何回でも可能なROM)が主として
対象となる。現在市販されているROMライタは2つの
機能をもつている。
As the above ROM, PROM (Programmable
ROM: ROM in which the user can write data only once after purchase) or EPROM (Erasable
The main target is rogrammable ROM (ROM in which the user can write and erase data any number of times after purchase). ROM writers currently on the market have two functions.

一つは、ROMライタ単体で動作し、キーボードからR
OMに書き込むデータを手で入力し、書き込む機能であ
る。この場合、データの量が多くなると、手で入力する
ため時間もかかり、誤りも多くなる。他の一つは、第1
図に示すように、外部のコンピュータ(一般にはマイコ
ン)1で作つたデータをROMライタ2の紙テープや入
力ポートから入力して、ROM3に書き込む機能である
One is that the ROM writer operates by itself, and R is input from the keyboard.
This function allows you to manually input and write data to OM. In this case, as the amount of data increases, manual input takes time and increases errors. The other one is the first
As shown in the figure, this function is to input data created by an external computer (generally a microcomputer) 1 from a paper tape or an input port of a ROM writer 2 and write it into the ROM 3.

ROM3に書き込むデータは、第1図の4で示すプリン
タで表示され(又ブラウン管で表示され)、内容が確認
される。この場合、コンピュータ1側には、ある規則に
従つてデータをプリンタ4に出力するプログラムが用意
されている。このプログラムは通常、プリント等4でデ
ータリストをコピーさせるのが目的であつて、ROMラ
イタに書き込むデータを出力するようにはなつていない
。従つて、第1図のように、ROMライタを使用する場
合には、ROMライタ用の出力プログラムが必要になる
。一般のマイコンにはこの機能(ROMラトタ書き込み
用プログラム及び接続用端子)が無いものが多いので、
ROMライタを使用したい場合には、新たにこの機能を
付加しなければならない。そして更に、マイコンの種類
が変われば、それに対応して異なるプログラムを付加し
なければならず、使用者にとつては非常にわずられしい
。本発明の目的は、コンピュータからROMライタを介
してROMにデータを書き込む場合、使用者がコンピュ
ータにデータ送出用の特別なプログラム及び接続用端子
を付加する必要のない、簡易で正確なデータ書き込み方
式も提供することにある。本発明のデータ書き込み方式
は、予め(使用者が購入する以前に)、ROMライタに
、コンピュータから規定された通信方式でプリンタへ伝
送するデータリストの中からROMに書き込むべきデー
タを抜き取るためのプログラムを組み込んでおき、使用
者がこのROMライタを購入して使用する場合、第2図
に示すごとく、コンピュータ1からプリンタ等4へデー
タリストを伝送する回線5の途中にこのROMライタ2
″を接続し、ROM3に書き込む必要のあるデータを抜
き取り、ROM3に書き込むようにする。
The data written to the ROM 3 is displayed on the printer shown at 4 in FIG. 1 (or displayed on a cathode ray tube), and the contents are confirmed. In this case, a program is prepared on the computer 1 side to output data to the printer 4 according to certain rules. The purpose of this program is usually to copy a data list by printing, etc. 4, and is not designed to output data to be written to a ROM writer. Therefore, as shown in FIG. 1, when a ROM writer is used, an output program for the ROM writer is required. Many general microcontrollers do not have this function (ROM data writing program and connection terminals), so
If you want to use a ROM writer, you must add this function. Furthermore, if the type of microcomputer changes, a different program must be added in response to the change, which is very inconvenient for the user. An object of the present invention is to provide a simple and accurate data writing method that does not require the user to add a special program for data transmission or connection terminals to the computer when writing data from a computer to a ROM via a ROM writer. The goal is to provide the following. In the data writing method of the present invention, a program is written to the ROM writer in advance (before the user purchases it) to extract data to be written to the ROM from a data list to be transmitted from the computer to the printer using a specified communication method. When the user purchases and uses this ROM writer, the ROM writer 2 is installed in the middle of the line 5 that transmits the data list from the computer 1 to the printer 4, etc., as shown in FIG.
'', extract the data that needs to be written to ROM3, and write it to ROM3.

コンピュータからプリンタ等にデータを伝送する通信方
式は規定されているので、この方式に対応したデータ抜
取り用プログラムはほぼ一定化されたものとなり、プロ
グラム作製が極めて簡便になる。
Since the communication method for transmitting data from a computer to a printer or the like is defined, a data extraction program compatible with this method is almost constant, and program creation becomes extremely simple.

現在用いられている通信方式は、RS232一C方式及
びセントロニクス方式であり、前者は調歩同期で転送す
るので、ボーレートやパリテイを送信側と同じにすれば
容易に入力することができ、また後者は8ビット並列で
送信されるので、そのストローブ信号により取り込むタ
イミングを決定できる。従つて、この2種類の通信方式
に対応した抜き取り用プログラムを、予めROMライタ
に組み込んでおけば、1ないし2種類のプログラム作製
で済み、従来のように使用者が購入後、コンピュータの
種類ごとに異なる特別のROMライタ用出力プログラム
を付加する必要がなくなる。また、ROMライタ2″を
回線5に接続するには必ずしも接続端子を要せす、簡単
な方法としては回線5の途中で半田付けによる接続でも
よい。従つて、従来のように接続端子数の付加は必ずし
も必要としないので、経済的である。本発明によるRO
Mライタは、市販のROMライタとハードウェアとして
はほとんど同じであり、ただ伝送中のデータから必要な
データを抜き取るための一定化されたプログラムを予め
組み込まれている点が異なる。
The communication methods currently used are the RS232-C method and the Centronics method.The former transfers data in start-stop synchronization, so it can be easily input by setting the baud rate and parity to the same as the transmitting side, and the latter Since 8 bits are transmitted in parallel, the timing of capture can be determined by the strobe signal. Therefore, if extraction programs compatible with these two types of communication methods are installed in the ROM writer in advance, only one or two types of programs need to be created. There is no need to add a special output program for the ROM writer to the ROM writer. Furthermore, connecting the ROM writer 2'' to the line 5 does not necessarily require a connection terminal; a simple method may be to connect it by soldering in the middle of the line 5. It is economical because addition is not necessarily required.RO according to the present invention
The M writer is almost the same as a commercially available ROM writer in terms of hardware, except that it is pre-installed with a standardized program for extracting necessary data from the data being transmitted.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来のROMライタ書き込み方式を示す図、第
2図は本発明によるROMライタ書き込み方式を示す図
である。 1・・・・・・コンピュータ、25・・・・・・ROM
ライタ、3・・・ROMl4・・・・・プリンタ等、5
・・・・・・コンピュータとプリンタ等を結ぶ回線。
FIG. 1 is a diagram showing a conventional ROM writer writing method, and FIG. 2 is a diagram showing a ROM writer writing method according to the present invention. 1... Computer, 25... ROM
Writer, 3...ROM14...Printer, etc., 5
・・・・・・A line that connects a computer and a printer, etc.

Claims (1)

【特許請求の範囲】[Claims] 1 コンピュータからデータを規定された通信方式によ
りプリンタ等に送つて、そのデータの内容を確認すると
ともに、ROM(読み取り専用メモリ)にROMライタ
(ROM書き込み器)を介して前記データの一部又は全
部を書き込む方式において、ROMライタに予め、前記
コンピュータから前記プリンタ等に送るデータの中から
ROMに書き込むべきデータを選択して抜きとるための
プログラムを組み込んでおき、該ROMライタを前記通
信方式による回線の途中に接続し、必要なデータをRO
Mに書き込ませることを特徴とするROMライタの書き
込み方式。
1 Send data from a computer to a printer, etc. using a specified communication method, check the contents of the data, and write some or all of the data to a ROM (read-only memory) via a ROM writer (ROM writer). In the writing method, a program for selecting and extracting data to be written to the ROM from among the data sent from the computer to the printer, etc. is installed in the ROM writer in advance, and the ROM writer is connected to the line using the communication method. Connect in the middle of the process and send the necessary data to the RO
A ROM writer writing method characterized by writing to M.
JP56121563A 1981-08-03 1981-08-03 ROM writer writing method Expired JPS6059673B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56121563A JPS6059673B2 (en) 1981-08-03 1981-08-03 ROM writer writing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56121563A JPS6059673B2 (en) 1981-08-03 1981-08-03 ROM writer writing method

Publications (2)

Publication Number Publication Date
JPS5823392A JPS5823392A (en) 1983-02-12
JPS6059673B2 true JPS6059673B2 (en) 1985-12-26

Family

ID=14814325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56121563A Expired JPS6059673B2 (en) 1981-08-03 1981-08-03 ROM writer writing method

Country Status (1)

Country Link
JP (1) JPS6059673B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62191351A (en) * 1986-02-18 1987-08-21 Mitsubishi Metal Corp Thin plate feeding device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59185796U (en) * 1983-05-25 1984-12-10 凸版印刷株式会社 semiconductor memory writer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567295A (en) * 1979-06-25 1981-01-24 Toshiba Corp Semiconductor memory unit
JPS5651094A (en) * 1979-09-28 1981-05-08 Hokkaido Bunka Hoso Kk Prom writer with remarkably simple write-in
JPS5687150A (en) * 1979-12-19 1981-07-15 Fujitsu Ltd Writer for read only memory
JPS5690494A (en) * 1979-12-21 1981-07-22 Toshiba Corp On-line write-in device of read-only-memory element

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567295A (en) * 1979-06-25 1981-01-24 Toshiba Corp Semiconductor memory unit
JPS5651094A (en) * 1979-09-28 1981-05-08 Hokkaido Bunka Hoso Kk Prom writer with remarkably simple write-in
JPS5687150A (en) * 1979-12-19 1981-07-15 Fujitsu Ltd Writer for read only memory
JPS5690494A (en) * 1979-12-21 1981-07-22 Toshiba Corp On-line write-in device of read-only-memory element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62191351A (en) * 1986-02-18 1987-08-21 Mitsubishi Metal Corp Thin plate feeding device

Also Published As

Publication number Publication date
JPS5823392A (en) 1983-02-12

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