Jun 10, 2021
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The ARM processor (Thumb-2), part 9: Sign and zero extension
Making small things bigger.
Showing results for History - The Old New Thing
Jun 9, 2021
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The ARM processor (Thumb-2), part 8: Bit shifting and bitfield access
That barrel shifter again.
Jun 8, 2021
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The ARM processor (Thumb-2), part 7: Bitwise operations
Flip-flopping the bits.
Jun 7, 2021
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The ARM processor (Thumb-2), part 6: The lie hiding inside the CMN instruction
Don't let the name fool you.
Jun 4, 2021
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The ARM processor (Thumb-2), part 5: Arithmetic
Starting with basic mathematics.
Jun 3, 2021
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The ARM processor (Thumb-2), part 4: Single-instruction constants
Flaunt your barrel shifter if you've got it.
Jun 2, 2021
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The ARM processor (Thumb-2), part 3: Addressing modes
It's a load-store architecture, but with rather fancy loads and stores.
Jun 1, 2021
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The ARM processor (Thumb-2), part 2: Differences between classic ARM and Thumb-2
Squeezing into a 16-bit instruction size.
May 31, 2021
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The ARM processor (Thumb-2), part 1: Introduction
Moving into the present.
May 25, 2021
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Why are device-independent bitmaps upside down?
Well, it depends on what you consider to be right-side up.