JPS6467642A - Microprogram controller - Google Patents
Microprogram controllerInfo
- Publication number
- JPS6467642A JPS6467642A JP62225755A JP22575587A JPS6467642A JP S6467642 A JPS6467642 A JP S6467642A JP 62225755 A JP62225755 A JP 62225755A JP 22575587 A JP22575587 A JP 22575587A JP S6467642 A JPS6467642 A JP S6467642A
- Authority
- JP
- Japan
- Prior art keywords
- coincidence
- microprogram
- output
- microinstruction
- delivered
- 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
Abstract
PURPOSE:To easily search a specific process by inhibiting the execution of a microprogram as long as one or plural register coincidence signals are delivered at the output of an address coincidence signal. CONSTITUTION:The output of a microinstruction setting circuit 2 is compared with the output of the microinstruction of a microprogram control circuit 1. Then a microinstruction coincidence signal is delivered when the coincidence is obtained between both outputs. Then one or plural outputs of the register comparison value setting circuits 9 and 12 are compared with one or plural values of incorporated registers. Then each register coincidence signal is delivered when the coincidence is obtained between said output and value. Furthermore the execution of a microprogram is inhibited as long as one or plural register coincidence signals are delivered at the output of the microinstruction coincidence signal. Thus the microprogram can be debugged with no influence given to the microprogram itself at all.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62225755A JPS6467642A (en) | 1987-09-09 | 1987-09-09 | Microprogram controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62225755A JPS6467642A (en) | 1987-09-09 | 1987-09-09 | Microprogram controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6467642A true JPS6467642A (en) | 1989-03-14 |
Family
ID=16834314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62225755A Pending JPS6467642A (en) | 1987-09-09 | 1987-09-09 | Microprogram controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6467642A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08263324A (en) * | 1995-03-22 | 1996-10-11 | Nec Ibaraki Ltd | Debug facilitation device |
-
1987
- 1987-09-09 JP JP62225755A patent/JPS6467642A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08263324A (en) * | 1995-03-22 | 1996-10-11 | Nec Ibaraki Ltd | Debug facilitation device |
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