Arm Thumb Lesson 2 - Addressing modes and rotation
ChibiAkumas
Arm Thumb has a reduced instruction set compared to ARM, and one of the things that has suffered is the addressing modes. We have more limited options, and the barrel shifter is no longer available as part of addressing - we now have stand alone rotation commands... lets check them out!
As always, this Video lesson matches the text lesson on my website, and you can get the source code as well... https://www.chibialiens.com/arm/thumb.php#Lesson2
My 2nd book is out now, and available on Amazon stores worldwide! The new book covers ARM Thumb, 65816, 6809, PDP-11 and Risc-V CPUs https://amzn.to/3JniJQt My 1st book is still available, and covers ASM programming on Z80, 6502, 68000, 8086 and ARM https://amzn.to/36wqp4g
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