| 摘要 |
<p>PURPOSE:To improve the processing efficiency of a CPU, and to lighten the burden of software and a program by providing a data transfer processing program and a data transfer control part. CONSTITUTION:The data transfer processing program prepared in a microprogram and the data transfer control part 6 including a data transfer origin address pointer 62, a data transfer destination address pointer 63, a data saving destination address pointer 64, and a transfer control register 65 to control the factor of transfer starting, etc., are built in a microcomputer. Accordingly, the transfer of data can be executed automatically without saving a flag and a program address to show the executing state of the program discontinued because of interruption to a stack area 41 and in addition without causing the substitution break-down of a transfer destination memory. Thus, the data can be transferred efficiently, and the burden of the software and the program can be lightened.</p> |
