vm

Simple VM written in PHP inspired by Terrence Parr's talk "How to Build a Virtual Maschine"

https://www.youtube.com/watch?v=OjaAToVkoTw

Following opcodes are supported for now:

"HALT","ADD","SUB","MUL","DIV","EQ","LT","GT","JMP","JT","JF","PUSH","POP","LOAD","GLOAD","LOADV","STORE","GSTORE","PRINT","PRINTLN","CALL","RET"

Usage

Entry is main if any else top of sctipt

$ ./VM scripts/99.vms

Entry is "main" label

$ ./VM scripts/fact.vms main

Entry is "main" label, tracing on

$ ./VM scripts/print_array.vms main 1