| 摘要 |
PURPOSE:To omit manual retrieval and checking registers to be optionally used at the time of executing the debugging of a source program, the updating of a function, the addition of a function, modification, correction, etc., and to shorten a working time by retrieving and checking the optionally registers corresponding to respective source program lines of a source program and outputting the results. CONSTITUTION:A table 3 displaying the validity/invalidity of optional use of registers is formed by a source program matrix capable of including a source program 1 formed on the basis of assembler language and a matrix corresponding to the number of registers to be included in the source program 1 and an instruction type deciding means decides the instruction type of an instruction is each source program line of the source program 1. A table updating means displays the validity/invalidity of optional use of respective registers in a table 3 correspondingly to respective source program lines on the basis of the instruction types decided by the instruction type deciding means and the contents of the table 3 edited by the table updating means are edited and outputted.
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