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Memory-related Variables and Variable Availability

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@larsonmars larsonmars released this 11 Nov 22:27
· 9 commits to main since this release
0.14
76e56c9

Additions

This release brings the long-awaited update to check for the installed memory using the following variables:

Name Function
$TotalChipRam Total amount of Chip RAM installed in KB
$TotalFastRam Total amount of real Fast RAM installed in KB
$TotalSlowRam Total amount of Slow RAM installed in KB
$SlowRamFirst indicates that slow ram is first in memory list

Breaking Changes

Variables may no longer be available if they do not make sense. For example, instead of being set to an empty value, $FPU is not set at all, when the CPU is < 68020. Similarly, $UAEMajor is no longer set, when no UAE was detected. This was done to not unnecessarily pollute the environment variable space.

Note that as a consequence, sysvars may now actually remove its environment variables in some situations (e.g., in OS 1.3 after FastmemFirst was executed, $SlowRamFirst might get removed)

Other Changes and Fixes

  • Fixed critical bug for Kickstart 1.3 and 1.2
  • added probevar utility to test for the existence of environment variables
  • Added compile support for PhxAsm and asmotor
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