| Commit message (Collapse) | Author | Age |
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There was confusion between the role of the page_limit variable in the
memory device, where it was being used to mean both the absolute upper
limit of pages that are allowed to be allocated, but also to mean the
number of pages that the program would like to be allocated when needed.
To fix this, the program is now just told the full number of pages that
it is allowed to use, without first requiring that the program request
a particular number of pages.
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The memory device was never being allocated any memory, the input device
wasn't scrolling correctly, the screen device was rendering sprites
incorrectly, and the device ID of the file device had not been changed
over from 0xA to 0x9.
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This is a complete redesign of the file device. The most notable
addition is the ability to ascend and descend the file tree.
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An effort to make the code shorter and more readable. This mostly
affects the code for the clock device.
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The "Cumulative seconds" port of the CLOCK device has been changed
to be called "Cumulative timer", with the units changing from seconds
to 1/256 second ticks.
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