psxc/include/insn.h

#ifndef PSXC_INSN_H_
#define PSXC_INSN_H_

#include <stdint.h>

#include "cpu.h"

typedef enum {
    SPECIAL = 0x00,
    BCONDZ = 0x01,
    J = 0x02,
    JAL = 0x03,
    BEQ = 0x04,
    BNE = 0x05,
    BLEZ = 0x06,
    BGTZ = 0x07,
    ADDI = 0x08,
    ADDIU = 0x09,
    SLTI = 0x0a,
    SLTIU = 0x0b,
    ANDI = 0x0c,
    ORI = 0x0d,
    XORI = 0x0e,
    LUI = 0x0f,
    COP0 = 0x10,
    COP1 = 0x11,
    COP2 = 0x12,
    COP3 = 0x13,
    LB = 0x20,
    LH = 0x21,
    LWL = 0x22,
    LW = 0x23,
    LBU = 0x24,
    LHU = 0x25,
    LWR = 0x26,
    SB = 0x28,
    SH = 0x29,
    SWL = 0x2a,
    SW = 0x2b,
    SWR = 0x2e,
    LWC0 = 0x30,
    LWC1 = 0x31,
    LWC2 = 0x32,
    LWC3 = 0x33,
    SWC0 = 0x38,
    SWC1 = 0x39,
    SWC2 = 0x3a,
    SWC3 = 0x3b,
} op_primary_t;

typedef enum {
    SLL = 0x00,
    SRL = 0x02,
    SRA = 0x03,
    SLLV = 0x04,
    SRLV = 0x06,
    SRAV = 0x07,
    JR = 0x08,
    JALR = 0x09,
    SYSCALL = 0x0c,
    BREAK = 0x0d,
    MFHI = 0x10,
    MTHI = 0x11,
    MFLO = 0x12,
    MTLO = 0x13,
    MULT = 0x18,
    MULTU = 0x19,
    DIV = 0x1a,
    DIVU = 0x1b,
    ADD = 0x20,
    ADDU = 0x21,
    SUB = 0x22,
    SUBU = 0x23,
    AND = 0x24,
    OR = 0x25,
    XOR = 0x26,
    NOR = 0x27,
    SLT = 0x2a,
    SLTU = 0x2b,
} op_secondary_t;

typedef void (*cpu_insn_handler)(cpu_t *, uint32_t);

void insn_execute(cpu_t *cpu, uint32_t insn);

#endif