JPS60123042U - Microcomputer emulator - Google Patents
Microcomputer emulatorInfo
- Publication number
- JPS60123042U JPS60123042U JP854584U JP854584U JPS60123042U JP S60123042 U JPS60123042 U JP S60123042U JP 854584 U JP854584 U JP 854584U JP 854584 U JP854584 U JP 854584U JP S60123042 U JPS60123042 U JP S60123042U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- emulator
- data bank
- decoder
- signal
- 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
Landscapes
- Executing Machine-Instructions (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のエミュレータにおけるインストラクショ
ンデコーダを含むブロック図、第２図は本考案の実施例
のブロック図である。
図においそ、１…エミユレーシヨン・チップ、２・、・
・・・・メモリ、３，１１，１２，１３，１４・・・・
・・ ′インストラクション・デコーダ、４・・・
・・・ブレーク制御回路、５・・・・・・データ・バス
、１０・・・・・・選択回路、１５・・・・・・入力端
子、である。FIG. 1 is a block diagram including an instruction decoder in a conventional emulator, and FIG. 2 is a block diagram of an embodiment of the present invention. In the figure, 1... Emulation chip, 2...
...Memory, 3, 11, 12, 13, 14...
... 'Instruction decoder, 4...
... Break control circuit, 5 ... Data bus, 10 ... Selection circuit, 15 ... Input terminal.
Claims (1)
のマイクロコンピュータのデータンくスに接続サレこの
マイクロコンピュータがメモリから読出した複数の相異
なる命令セットを解読する複数のインストラクション・
デコーダと、゛こ−れら複数のインストラクション・デ
コーダの中から選択信号によって１個を選択し選択され
たインストラクション・デコーダの信号を出力する選択
回路とを含むマイクロコンピュータのエミュレータ。A microcomputer that performs emulation is connected to the data bank of this microcomputer, and multiple instructions are connected to the data bank of this microcomputer.
A microcomputer emulator including a decoder and a selection circuit which selects one of the plurality of instruction decoders by a selection signal and outputs the signal of the selected instruction decoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP854584U JPS60123042U (en) | 1984-01-25 | 1984-01-25 | Microcomputer emulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP854584U JPS60123042U (en) | 1984-01-25 | 1984-01-25 | Microcomputer emulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60123042U true JPS60123042U (en) | 1985-08-19 |
Family
ID=30487931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP854584U Pending JPS60123042U (en) | 1984-01-25 | 1984-01-25 | Microcomputer emulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60123042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63310025A (en) * | 1987-06-12 | 1988-12-19 | Hitachi Ltd | Instruction decoding system |
-
1984
- 1984-01-25 JP JP854584U patent/JPS60123042U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63310025A (en) * | 1987-06-12 | 1988-12-19 | Hitachi Ltd | Instruction decoding system |
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