tinyram-opcodes.cpp

enum tinyram_opcode {
    tinyram_opcode_AND    = 0b00000,
    tinyram_opcode_OR     = 0b00001,
    tinyram_opcode_XOR    = 0b00010,
    tinyram_opcode_NOT    = 0b00011,
    tinyram_opcode_ADD    = 0b00100,
    tinyram_opcode_SUB    = 0b00101,
    
    // Multiplications
    tinyram_opcode_MULL   = 0b00110,    
    tinyram_opcode_UMULH  = 0b00111,
    tinyram_opcode_SMULH  = 0b01000,
    
    // Division and bitshift
    tinyram_opcode_UDIV   = 0b01001,
    tinyram_opcode_UMOD   = 0b01010,
    tinyram_opcode_SHL    = 0b01011,
    tinyram_opcode_SHR    = 0b01100,

    // Comparisons
    tinyram_opcode_CMPE   = 0b01101,
    tinyram_opcode_CMPA   = 0b01110,
    tinyram_opcode_CMPAE  = 0b01111,
    tinyram_opcode_CMPG   = 0b10000,
    tinyram_opcode_CMPGE  = 0b10001,

    // Move between registers, conditional move
    tinyram_opcode_MOV    = 0b10010,
    tinyram_opcode_CMOV   = 0b10011,

    // Jumps and conditional jumps
    tinyram_opcode_JMP    = 0b10100,
    tinyram_opcode_CJMP   = 0b10101,
    tinyram_opcode_CNJMP  = 0b10110,

    // Undefined (causes a stall).
    tinyram_opcode_10111  = 0b10111,
    tinyram_opcode_11000  = 0b11000,
    tinyram_opcode_11001  = 0b11001,

    // Memory read/write, tape access, yield validity answer.
    tinyram_opcode_STOREB = 0b11010,
    tinyram_opcode_LOADB  = 0b11011,
    tinyram_opcode_STOREW = 0b11100,
    tinyram_opcode_LOADW  = 0b11101,
    tinyram_opcode_READ   = 0b11110,
    tinyram_opcode_ANSWER = 0b11111
};