Determining Macintosh ROM Version, 64K or 128K, from Basic (25341)
The information in this article applies to:
- Microsoft QuickBASIC 1.0
- Microsoft QuickBASIC 1.0a
- Microsoft QuickBASIC 1.0b
- Microsoft BASIC Compiler
- Microsoft BASIC Interpreter for Apple Macintosh 1.0
- Microsoft BASIC Interpreter for Apple Macintosh 1.01
- Microsoft BASIC Interpreter for Apple Macintosh 2.0
- Microsoft BASIC Interpreter for Apple Macintosh 2.1
- Microsoft BASIC Interpreter for Apple Macintosh 3.0
This article was previously published under Q25341 SUMMARY
Question:
How can I determine the Macintosh ROM version from Basic or QuickBasic?
Response:
To determine the type of ROM (64K or 128K), test the high order bit of
Low Memory Global ROM85 as follows:
IF PEEK(654)AND(2^7) THEN ROM=64 ELSE ROM=128
PRINT ROM
This information applies to the following products:
- Microsoft QuickBasic versions 1.0, 1.0a, and 1.0b for Apple
Macintosh
- Microsoft Basic Compiler version 1.0 for Apple Macintosh
- Microsoft Basic Interpreter versions 1.0, 1.01, 2.0, 2.1, and 3.0
for Apple Macintosh
| Modification Type: | Minor | Last Reviewed: | 8/16/2005 |
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| Keywords: | KB25341 |
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