While 12.3 isn’t a flashy, AI-overhauled version (we got that with Masking 2.0), it is arguably the most stable and user-satisfying update in the last two years. If you spend 40 hours a week culling weddings, editing product shots, or managing a massive catalog, this is the update you will actually feel .
Here is the full breakdown of what’s new, what’s fixed, and why you should hit "Update" immediately. Let’s address the elephant in the room. In version 12.2, Adobe rolled out a new "Import" experience that was... controversial. It hid the "Copy" and "Move" buttons inside a dropdown, which tripped up even seasoned pros.
The classic, two-button layout is back. You now clearly see Copy as DNG , Copy , Move , and Add as distinct, clickable buttons right at the top of the import window. It’s a small UI win, but it proves that Adobe is actually watching the forums. 2. Performance: The "Smooth as Butter" Update If you have been suffering from the dreaded "spinning beach ball" or the "blue wheel of death" when switching between photos in the Develop module, take a deep breath.
Just when you thought Adobe was solely focused on pushing their new cloud-based "Lightroom" ecosystem, they drop a release like —and suddenly, everything feels right in the world again.
By [Your Name] | April 2023
This LMC simulator is based on the Little Man Computer (LMC) model of a computer, created by Dr. Stuart Madnick in 1965. LMC is generally used for educational purposes as it models a simple Von Neumann architecture computer which has all of the basic features of a modern computer. It is programmed using assembly code. You can find out more about this model on this wikipedia page.
You can read more about this LMC simulator on 101Computing.net.
Note that in the following table “xx” refers to a memory address (aka mailbox) in the RAM. The online LMC simulator has 100 different mailboxes in the RAM ranging from 00 to 99.
| Mnemonic | Name | Description | Op Code |
| INP | INPUT | Retrieve user input and stores it in the accumulator. | 901 |
| OUT | OUTPUT | Output the value stored in the accumulator. | 902 |
| LDA | LOAD | Load the Accumulator with the contents of the memory address given. | 5xx |
| STA | STORE | Store the value in the Accumulator in the memory address given. | 3xx |
| ADD | ADD | Add the contents of the memory address to the Accumulator | 1xx |
| SUB | SUBTRACT | Subtract the contents of the memory address from the Accumulator | 2xx |
| BRP | BRANCH IF POSITIVE | Branch/Jump to the address given if the Accumulator is zero or positive. | 8xx |
| BRZ | BRANCH IF ZERO | Branch/Jump to the address given if the Accumulator is zero. | 7xx |
| BRA | BRANCH ALWAYS | Branch/Jump to the address given. | 6xx |
| HLT | HALT | Stop the code | 000 |
| DAT | DATA LOCATION | Used to associate a label to a free memory address. An optional value can also be used to be stored at the memory address. |