Raymond Chen

Raymond has been involved in the evolution of Windows for more than 25 years. In 2003, he began a Web site known as The Old New Thing which has grown in popularity far beyond his wildest imagination, a development which still gives him the heebie-jeebies. The Web site spawned a book, coincidentally also titled The Old New Thing (Addison Wesley 2007). He currently appears regularly on MSDN Channel 9’s One Dev Minute channel in the One Dev Question video series.

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The AArch64 processor (aka arm64), part 9: Sign and zero extension

August 5th, 2022
Nothing new here, but old things being used in clever ways.

The AArch64 processor (aka arm64), part 8: Bit shifting and rotation

August 4th, 2022
Sliding around.

The AArch64 processor (aka arm64), part 7: Bitfield manipulation

August 3rd, 2022
Peeking inside the words.

The AArch64 processor (aka arm64), part 6: Bitwise operations

August 2nd, 2022
And their very strange immediates.

The AArch64 processor (aka arm64), part 5: Multiplication and division

August 1st, 2022
Arithmetic gets harder.

The AArch64 processor (aka arm64), part 4: Addition and subtraction

July 29th, 2022
Starting with the basic arithmetic.

The AArch64 processor (aka arm64), part 3: Addressing modes

July 28th, 2022
The ways of accessing memory.

The AArch64 processor (aka arm64), part 2: Extended register operations

July 27th, 2022
The weird ways of transforming the value in a register.

The AArch64 processor (aka arm64), part 1: Introduction

July 26th, 2022
Make it a double.

Yes, the 8086 wanted to be mechanically translatable from the 8080, but why not add the ability to indirect through AX, CX and DX?

July 25th, 2022
So many addressing modes, so little space.