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Home Apps Educational Learning MCU Board simulator (free)
MCU Board simulator (free)

MCU Board simulator (free)

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  • Version 1.10
  • Category Educational Learning
  • Package Name com.hkonstas.andmcufree
  • Update Time February 17, 2026
  • Size 1.09MB
About this app

Android MCU Prototype Board Simulator (free)

The MCU simulator for Android OS runs Assembly Language code similar to the 68705 MCU on a simulated on-screen prototype board. Great for embedded applications hobbyists, students, teachers or anyone who likes to experiment with Micro-controller CPUs and electronic prototype boards. It's fun for learning Assembly language as well!

AndMCU simulates both software and hardware. As on a real prototype board, your ASM code must configure the MCU I/O ports to control the hardware connected to it, such as lighting up segments on the digits, or reading keystrokes from the keypad or dip-switches.

You can use the simple built-in text editor or any Android text editor of your choice to write your assembly code and then load it into AndMCU to run it.

The built-in assembler has many useful directives such as step-by-step trace mode, break-points, dumping memory contents to an HTML file, adjusting the CPU speed and auto-running the loaded code. It supports the following opcodes (subset of the 68705 MCU instruction set):

NOP,CLC,CLI,SEC,SEI,STOP,SWI,TAX,TXA,LDA,LDX,STA,STX, ADD,ADC,CLR,CLRA,CLRX,DEC,DECA,DECX,INC,INCA,INCX,SUB,SBC,

AND,CMP,COM,COMA,COMX,CPX,EOR,LSL,LSLA,LSLX,LSR,LSRA,LSRX,

NEG,NEGA,ORA,ROL,ROLA,ROR,RORA,TST,TSTA,BRA,BSR,BCC,BCS,

BEQ,BNE,BHI,BLO,BLS,JMP,JSR,RTS,RTI,BCLR,BSET.

The AndMCU board simulates the following hardware components:

1) 8-Bit CPU with 3x 8-bit bi-directional ports.

2) 6 Digits display

3) 16-character LCD display

4) 2x 8-bit DIP Switches

5) 2x8 LED Bargraph displays

6) 12-key keypad

7) 1 piezo buzzer

8) External, Timer and Software Interrupts

9) 1 analog input (light sensor).

* Works on screen resolutions up to 1080 x 1920 (Full-HD).

(This is not a fast CPU emulator - it's a simulator for educational purposes. See documentation on AndMCU's website for more details.)

This is the Ad-supported version of AndMCU (free).

If you like this application please support further development by purchasing the Ad-free version from the Google Play Market. The Ad-free version also enables flick-scrolling for the built-in editor.

INTERNET-PERMISSION: Enabled for the Ad support (AdMob).

What's New in the Latest Version 1.10

Last updated on Sep 24, 2015 V.1.10 June 5, 2013: Bug fixes: clear trace mode and reset CPU speed after loading a new file.
V.1.09 March 22, 2013: Adapted for Full-HD screen resolutions (up to 1080x1920).
Download(1.09MB)
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