JPS5557946A - Branch response system of home computer - Google Patents
Branch response system of home computerInfo
- Publication number
- JPS5557946A JPS5557946A JP13197778A JP13197778A JPS5557946A JP S5557946 A JPS5557946 A JP S5557946A JP 13197778 A JP13197778 A JP 13197778A JP 13197778 A JP13197778 A JP 13197778A JP S5557946 A JPS5557946 A JP S5557946A
- Authority
- JP
- Japan
- Prior art keywords
- block
- unit
- tape
- read
- branch
- 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
- Digital Computer Display Output (AREA)
Abstract
PURPOSE: To change a screen prior to a branching operation over to a screen after the branching operation at a high speed by providing several audio tape units and by recording block information on a branch destination on an audio tape differing from that with block information prior to the branching operation.
CONSTITUTION: Audio tape units TR1 and TR2, connected to a bus by way of interfaces I/F1 and I/F2, are used by switching. When access to block M on a tape of unit TR1 is attained, unit TR2 drives the tape by a control program stored in ROM so that a block indicated by index code A1 of block M, e.g. K will be at a read position. Video information of block M is read to TV by an application program sotred in RAM, but when a branch is made, a read from unit TR1 stops and block K of unit TR2 is read out. At the same time, unit TR1 is so driven by an index code of block K that a branch-destination block of the tape of unit TR1 will be at the read position.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13197778A JPS5557946A (en) | 1978-10-26 | 1978-10-26 | Branch response system of home computer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13197778A JPS5557946A (en) | 1978-10-26 | 1978-10-26 | Branch response system of home computer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5557946A true JPS5557946A (en) | 1980-04-30 |
Family
ID=15070646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13197778A Pending JPS5557946A (en) | 1978-10-26 | 1978-10-26 | Branch response system of home computer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5557946A (en) |
-
1978
- 1978-10-26 JP JP13197778A patent/JPS5557946A/en active Pending
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