MCM/70: Difference between revisions

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APL for the [[wikipedia:MCM/70|MCM/70]] was Microcomputer Computer Machines's [[APL\360]] clone, with the exception of [[Scan]] performing [[reduce]]s over suffixes instead of prefixes. This was due to a misunderstanding, but had to be perpetuated due to the user base.<ref>[[Ray Polivka]]. [[APL Campfire]]. 2021-08-29.</ref>
APL for the [[wikipedia:MCM/70|MCM/70]] was Microcomputer Computer Machines's [[APL\360]] clone, with a few exceptions,<ref>Micro Computer Machines Inc. [http://www.cse.yorku.ca/museum/MCM/MCM_tapes/TAPE-22.pdf#page=4 Differences between MCM/APL and APL/360]. Tape 22.</ref> most significantly [[Scan]] performing [[reduce]]s over suffixes instead of prefixes. This was due to a misunderstanding, but had to be perpetuated due to the user base.<ref>[[Ray Polivka]]. [[APL Campfire]]. 2021-08-29.</ref>


=== Internal types ===
=== Internal types ===


According to page 220 in the user manual<ref>http://www.cse.yorku.ca/museum/MCM/MCM70_user.pdf</ref>, the data types available are as follows:
According to page 220 in the user manual<ref>Micro Computer Machines Inc. [http://www.cse.yorku.ca/museum/MCM/MCM70_user.pdf User's Guide].</ref>, the data types available are as follows:
* 1-byte characters
* 1-byte characters
* 1-byte integer
* 1-byte integer

Revision as of 10:58, 22 November 2021


APL for the MCM/70 was Microcomputer Computer Machines's APL\360 clone, with a few exceptions,[1] most significantly Scan performing reduces over suffixes instead of prefixes. This was due to a misunderstanding, but had to be perpetuated due to the user base.[2]

Internal types

According to page 220 in the user manual[3], the data types available are as follows:

  • 1-byte characters
  • 1-byte integer
  • 2-byte integer
  • 4-byte integer
  • 8-byte integer (?)
  • 8-byte (double precision) floats (?)

References

  1. Micro Computer Machines Inc. Differences between MCM/APL and APL/360. Tape 22.
  2. Ray Polivka. APL Campfire. 2021-08-29.
  3. Micro Computer Machines Inc. User's Guide.

External links


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