Haven't learned BASIC language, does the original BASIC have modular functions (functions)?
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中国DOS联盟论坛 » DOS开发编程 & 发展交流 （开发室） » Does the original BASIC have modular functions (functions)?
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Posted 2007-10-04 11:55 · 中国 广东 广州 教育网
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Posted 2010-06-16 10:27 · 中国 江苏 南京 电信
There are functions equivalent to modules, which are subroutines. There is always at least one return statement in such subroutines for returning, and they are called by the gosub statement. The disadvantage is that the variables used in the main program and the subroutine are visible to each other, so special attention should be paid to the pollution problem of variable usage.
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Posted 2010-06-17 22:23 · 中国 山东 青岛 移动
Of course, there are no object-oriented things... Those who wanted object-oriented are disappointed, right? At that time, there was simply no concept of object-oriented.
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Posted 2010-06-18 23:53 · 中国 香港 城市电讯有限公司
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Originally posted by GOTOmsdos at 2007-10-4 11:55 AM:
I haven't learned the BASIC language. Does the original BASIC have modular functions (functions)?
Is the so-called original BASIC referring to Microsoft BASIC?
Until Quick BASIC, there was no concept of object. Visual BASIC is not BASIC at all!
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Posted 2010-06-20 14:24 · 中国 福建 厦门 电信
The original BASIC on PC should be ROMBASIC (started by INT 18H), and I can't quite remember if it supports subroutines. I used IBM's BASICA early on and remember that it could call subroutines. QBWIN already has things like controls and properties, and many one-key restore interfaces were written with it.
[ Last edited by netwinxp on 2010-6-20 at 14:27 ]
[ Last edited by netwinxp on 2010-6-20 at 14:27 ]
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