tasks.json for assembly

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "c64jasm build & run",
            "type": "shell",
            "command": "c64jasm main.asm --out main.prg && x64 main.prg",
            "problemMatcher": "$c64jasm"
        }
    ]
}