arm-assembly-cheat
                                MOVED TO: https://cirosantilli.com/linux-kernel-module-cheat/userland-assembly with code at https://github.com/cirosantilli/linux-kernel-module-cheat/tree/master/userland/arch/arm SEE README. ARMv7 and ARMv8 assembly userland minimal examples tutorial. Runnable asserts on x86 hosts with QEMU user mode or natively on ARM targets. Nice GDB step debug setup. Tested on Ubuntu 18.04 host and Raspberry Pi 2 and 3 targets. 
                            
                        How to download and setup arm-assembly-cheat
Open terminal and run command
                                            git clone https://github.com/cirosantilli/arm-assembly-cheat.git
                                        
                                        git clone is used to create a copy or clone of arm-assembly-cheat repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with arm-assembly-cheat https://github.com/cirosantilli/arm-assembly-cheat/archive/master.zip
Or simply clone arm-assembly-cheat with SSH
                                            [email protected]:cirosantilli/arm-assembly-cheat.git                                    
                                    If you have some problems with arm-assembly-cheat
You may open issue on arm-assembly-cheat support forum (system) here: https://github.com/cirosantilli/arm-assembly-cheat/issuesSimilar to arm-assembly-cheat repositories
Here you may see arm-assembly-cheat alternatives and analogs
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