Tape Device

Language (vm, assembler, debugger, and decompiler) for fictional computer that executes programs optionally with input data.

Device

• Registers:
  • 8 bit: D0, D1, D2, D3, ACC (Accumulator)
  • 16 bit: A0, A1
  • Internal (not directly accessible):
    • FP: Frame pointer
    • SP: Stack pointer
    • Overflow: Overflow flag
    • PC: Program counter
• RAM: 65,535 bytes
• Max ops length: 65,535 bytes
• Max strings length: 65,535 bytes (max 255 bytes per string)
• Max data length: 65,535 bytes (max 254 sub arrays per data definition, max 255 bytes per sub array)

Info

Example program

CPY D0 1
CPY D1 2
ADD D0 D1
PRT ACC

Prints 3

See docs for more info

Usage

Execute program

tape_device program.tape [input0] [input1]...

Assemble program

tape_device assemble program.basm

If you're having build issues add --save-intermediate to save the assemblers interpretation. For a debugger add --save-debug to save debug data

Decompile program

tape_device decompile program.tape

Debug program

tape_device debug program.tape program.debug [input]

Debug docs

GUI debugger

https://github.com/raybritton/tape-device-gui-debugger