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