TRON指令 TRON command
TRON是BASIC语言中的一条调试指令,其为TRace ON的缩写,主要用于调试带行号BASIC的GOTO和GOSUB语句。在文本模式环境中,例如TRS-80,MS-DOS/IBM PC-DOS,执行这条指令允许进程在屏幕上显示当前执行指令的行号。在窗口环境中,若执行了TRON指令,则会出现一个显示当前指令行号的窗口。其对应指令为TROFF,为TRace OFF的缩写,用于关闭命令追踪。
单词 | TROFF |
释义 |
TROFF
中文百科
TRON指令 TRON command(重定向自TROFF)
TRON是BASIC语言中的一条调试指令,其为TRace ON的缩写,主要用于调试带行号BASIC的GOTO和GOSUB语句。在文本模式环境中,例如TRS-80,MS-DOS/IBM PC-DOS,执行这条指令允许进程在屏幕上显示当前执行指令的行号。在窗口环境中,若执行了TRON指令,则会出现一个显示当前指令行号的窗口。其对应指令为TROFF,为TRace OFF的缩写,用于关闭命令追踪。
英语百科
TRON command TRON指令(重定向自TROFF)
TRON is a debugging command in old dialects of the BASIC programming language. It is an abbreviation of TRace ON. It was used primarily for debugging line-numbered BASIC GOTO and GOSUB statements. In text-mode environments such as the TRS-80 or DOS, it would print the current line number which was being executed, on-screen. In a windowed environment, when the TRON command had been executed, a window would indicate the line number being executed at that instant. This command's opposite is TROFF, or TRace OFF, used to turn off command tracing. |
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