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halloVM

It's a stack-based bytecode VM with its own assembler and disassembler. Write programs in your own assembly language, compile them to a binary format , and execute them on this machine.

Commands

  • hallovm asm <file.tasm> -o <file.tbc> : single-pass assembler with line-numbered errors
  • hallovm run <file.tbc> : stack machine executing the frozen ISA
  • hallovm run --trace : prints ip, instruction, and stack before every step
  • hallovm dis <file.tbc> : converts back binary to assembler code

Supported ISAs

PUSH n, POP, DUP ,SWAP,ADD,SUB,MUL,DIV,MOD,NEG,LOAD s,STORE s,PRINT,HALT

Limitations

  • it does not support comparisons such as : EQ, LT, GT
  • it does not support Loops such as : JMP , JZ , JNZ