VirtualKim - 6502 Emulator

1.20 for iPhone, iPad
Free
0

0 Ratings

Update Date

2023-01-25

Size

10.9 MB

Screenshots for iPhone

iPhone
VirtualKim - 6502 Emulator Description
The 6502 microprocessor changed the world. Released in the 1970’s, it was the reason that home computers were within the reach of many hobbyists. This app re-creates the 6502 CPU and some of the hardware that used it. This isn't a game (although games are included), this is an emulation of the 8-bit processor, complete with an assembler and some programming puzzles to solve.

Start with the most basic user interface you can imagine — 7-segment LEDs and some buttons — to enter, debug and run your applications. Then upgrade to a display and keyboard, and use the built-in monitor program to dump memory, makes edits and execute your code. Can you run BASIC? Maybe. FORTH? Perhaps. Assembler? Definitely!

Don't think of this as a game (or something "fun" or "enjoyable" in the traditional sense). Think of it as a puzzle: how on earth did those folks in the 1970's manage to do ANYTHING when computers were this basic?

Documentation is provided, but to get the most of out of this app you'll need to do your own research. Just like in the 1970s.
VirtualKim - 6502 Emulator 1.20 Update
2023-01-25
There is now an (optional) memory dump visible from the KIM-1 LED/Buttons view. Watch how your program changes RAM in real-time!
More Information
Price:
Free
Version:
1.20
Size:
10.9 MB
Update Date:
2023-01-25
Developer:
John Kennedy
Language:
English

Safe to Download

AppPure.com and the download link of this app are 100% safe. The download link of this app will be redirected to the official App Store site, thus the app is original and has not been modified in any way.

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1.20 2023-01-25
There is now an (optional) memory dump visible from the KIM-1 LED/Buttons view. Watch how your program changes RAM in real-time!
1.16 2022-10-03
* You can now load paper tape files that are composed of several sections.
* Improved spacing of keypad and keyboard components.
* Added a button to dismiss the built-in help display.
* Tap the LEDs to cycle through various options.
* Improved appearance of the app to suit both light and dark modes.
* Approved by an authentic period-appropriate pet rock.
1.15 2022-03-25
Our engineering team improved the display for users of smaller iPad devices, and the technical writing pool updated the included manual to the fourth edition. Then they all went out for some cans of Tab.
1.14 2022-02-27
The "LOAD" panel has been renamed to "FILES", because you can now generate a KIM-format paper tape of memory contents, and so save or share your work by copying the strings. If you do nothing but select save, then 256 bytes from 0x200 will be displayed - perfect for small programs. If you need more control, put the start address (low byte first) in 0x17F5, 0x17F6 and the end address in 0x17F7, 0x17F8 before selecting save. Yes, this is about as awkward as the real thing.
1.12 2022-02-14
Corrected code editing views to work in dark and regular modes.
Updated the way the controls in the KIM-1 simulation view work to be a little closer to a real KIM-1
1.11 2022-02-11
Improved the experience (like, groovy) when entering 6502 assembly language.
1.10 2022-02-08
There's something to be said for a CRT with a fixed number of rows and columns This update tweaks the Assembler editor view to work better with different screen sizes, and the same for the tape import screen.
1.9 2022-01-30
Updated RIOT code a little, to help other existing programs run.
1.8 2021-07-26
Our engineers were feeling smug about the challenges they had set you, when someone pointed out they had forgotten to add support for STX and STY in the Assembler. You should have seen their faces! They worked all weekend to get this release out. Enjoy :-)