JPS6453233A - Microprocessor - Google Patents
MicroprocessorInfo
- Publication number
- JPS6453233A JPS6453233A JP30392887A JP30392887A JPS6453233A JP S6453233 A JPS6453233 A JP S6453233A JP 30392887 A JP30392887 A JP 30392887A JP 30392887 A JP30392887 A JP 30392887A JP S6453233 A JPS6453233 A JP S6453233A
- Authority
- JP
- Japan
- Prior art keywords
- instruction
- gate
- address
- branching
- 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.)
- Granted
Links
Landscapes
- Executing Machine-Instructions (AREA)
Abstract
PURPOSE:To accept an interruption request even under execution of an instruction by judging the output level of an OR gate via an executing means after execution of a condition branching instruction and supplying the address of a branching destination to a reading means when the output of the OR gate is set at an active level. CONSTITUTION:A memory 101 which stores a series of instructions including a condition branching instruction, a means 102 which designates the address of the memory 101 and reads out the instruction of said address, a means 103 which carries out the read-out instruction, a means 108A which produces a control signal when a series of instructions are carried out by the prescribed frequency, a terminal to which an interruption signal 105 is supplied, and an OR gate 118 which receives the control signal and the signal 105 are provided. Then the decoder 103 executes the condition branching instruction to decide the output level of the gate 118 and supplies the address of the branching destination to the register 102 when the output level of the gate 118 is set at an active level. Thus it is possible to accept the interruption request signal during execution of an instruction requiring a comparatively long executing time without increasing this executing time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62303928A JPH087679B2 (en) | 1986-12-01 | 1987-12-01 | Microprocessor |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61-286936 | 1986-12-01 | ||
JP28693686 | 1986-12-01 | ||
JP62303928A JPH087679B2 (en) | 1986-12-01 | 1987-12-01 | Microprocessor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6453233A true JPS6453233A (en) | 1989-03-01 |
JPH087679B2 JPH087679B2 (en) | 1996-01-29 |
Family
ID=26556524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62303928A Expired - Lifetime JPH087679B2 (en) | 1986-12-01 | 1987-12-01 | Microprocessor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH087679B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02306338A (en) * | 1989-02-03 | 1990-12-19 | Nec Corp | Microprogram controller |
US5925444A (en) * | 1992-12-09 | 1999-07-20 | Hitachi, Ltd. | Organic binder for shaping ceramic, its production method and product employing the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57153339A (en) * | 1981-03-18 | 1982-09-21 | Hitachi Ltd | Information processor |
-
1987
- 1987-12-01 JP JP62303928A patent/JPH087679B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57153339A (en) * | 1981-03-18 | 1982-09-21 | Hitachi Ltd | Information processor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02306338A (en) * | 1989-02-03 | 1990-12-19 | Nec Corp | Microprogram controller |
US5925444A (en) * | 1992-12-09 | 1999-07-20 | Hitachi, Ltd. | Organic binder for shaping ceramic, its production method and product employing the same |
Also Published As
Publication number | Publication date |
---|---|
JPH087679B2 (en) | 1996-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |