TODO.md

TODO

General

• Memory map
• Instruction pointers
• Instruction classes
• Opcode interpreter operating on AST

Parsing

• Addressing modes

  • Immediate (#)
  • Direct ($ or empty)
  • Indirect (@)
  • Indirect increment (>)
  • Indirect decrement (<)
  • A-field indirect (*)
  • A-field indirect increment (})
  • A-field indirect decrement ({)

• Opcodes

  • DAT
    • Check the parser, not quite spec yet
  • MUL
  • DIV
  • MOD
  • JMN
  • DJN
  • SPL
    • Blocked by multi-threading feature
  • SEQ
  • SNE
  • SLT
  • XCH
  • PCT
  • NOP
  • STP
    • Blocked until P-Space is implemented
  • LDP
    • Blocked until P-Space is implemented

• Modifiers

  • .A (A -> A)
  • .B (B -> B)
  • .AB (A -> B)
  • .BA (B -> A)
  • .F (A->A and B->B)
  • .X (A->B and B->A)
  • .I (Entire instruction)