int main(int argc, char **argv) { srand (16); int i; for(i = 0; i < 16; ++i) { int a = rand(); int b = rand(); printf("%x > %x -> result:%d\n", a, b, op_slt(a, b)); } return 0; }
void doop(Mips * emu, uint32_t op) { switch(op & 0xfc000000) { case 0x8000000: op_j(emu,op); return; case 0xc000000: op_jal(emu,op); return; case 0x10000000: op_beq(emu,op); return; case 0x14000000: op_bne(emu,op); return; case 0x18000000: op_blez(emu,op); return; case 0x1c000000: op_bgtz(emu,op); return; case 0x20000000: op_addi(emu,op); return; case 0x24000000: op_addiu(emu,op); return; case 0x28000000: op_slti(emu,op); return; case 0x2c000000: op_sltiu(emu,op); return; case 0x30000000: op_andi(emu,op); return; case 0x34000000: op_ori(emu,op); return; case 0x38000000: op_xori(emu,op); return; case 0x3c000000: op_lui(emu,op); return; case 0x50000000: op_beql(emu,op); return; case 0x54000000: op_bnel(emu,op); return; case 0x58000000: op_blezl(emu,op); return; case 0x80000000: op_lb(emu,op); return; case 0x84000000: op_lh(emu,op); return; case 0x88000000: op_lwl(emu,op); return; case 0x8c000000: op_lw(emu,op); return; case 0x90000000: op_lbu(emu,op); return; case 0x94000000: op_lhu(emu,op); return; case 0x98000000: op_lwr(emu,op); return; case 0xa0000000: op_sb(emu,op); return; case 0xa4000000: op_sh(emu,op); return; case 0xa8000000: op_swl(emu,op); return; case 0xac000000: op_sw(emu,op); return; case 0xb8000000: op_swr(emu,op); return; case 0xbc000000: op_cache(emu,op); return; case 0xc0000000: op_ll(emu,op); return; case 0xcc000000: op_pref(emu,op); return; case 0xe0000000: op_sc(emu,op); return; } switch(op & 0xfc00003f) { case 0x0: op_sll(emu,op); return; case 0x2: op_srl(emu,op); return; case 0x3: op_sra(emu,op); return; case 0x4: op_sllv(emu,op); return; case 0x6: op_srlv(emu,op); return; case 0x7: op_srav(emu,op); return; case 0x8: op_jr(emu,op); return; case 0x9: op_jalr(emu,op); return; case 0xc: op_syscall(emu,op); return; case 0xf: op_sync(emu,op); return; case 0x10: op_mfhi(emu,op); return; case 0x11: op_mthi(emu,op); return; case 0x12: op_mflo(emu,op); return; case 0x13: op_mtlo(emu,op); return; case 0x18: op_mult(emu,op); return; case 0x19: op_multu(emu,op); return; case 0x1a: op_div(emu,op); return; case 0x1b: op_divu(emu,op); return; case 0x20: op_add(emu,op); return; case 0x21: op_addu(emu,op); return; case 0x22: op_sub(emu,op); return; case 0x23: op_subu(emu,op); return; case 0x24: op_and(emu,op); return; case 0x25: op_or(emu,op); return; case 0x26: op_xor(emu,op); return; case 0x27: op_nor(emu,op); return; case 0x2a: op_slt(emu,op); return; case 0x2b: op_sltu(emu,op); return; case 0x2d: op_addu(emu,op); //daddu return; case 0x36: op_tne(emu,op); return; } switch(op & 0xfc1f0000) { case 0x4000000: op_bltz(emu,op); return; case 0x4010000: op_bgez(emu,op); return; case 0x4020000: op_bltzl(emu,op); return; case 0x4030000: op_bgezl(emu,op); return; case 0x4100000: op_bltzal(emu,op); return; case 0x4110000: op_bgezal(emu,op); return; case 0x5c000000: op_bgtzl(emu,op); return; } switch(op & 0xffffffff) { case 0x42000002: op_tlbwi(emu,op); return; case 0x42000006: op_tlbwr(emu,op); return; case 0x42000008: op_tlbp(emu,op); return; case 0x42000018: op_eret(emu,op); return; } switch(op & 0xfc0007ff) { case 0xa: op_movz(emu,op); return; case 0xb: op_movn(emu,op); return; case 0x70000002: op_mul(emu,op); return; } switch(op & 0xffe00000) { case 0x40000000: op_mfc0(emu,op); return; case 0x40800000: op_mtc0(emu,op); return; } switch(op & 0xfe00003f) { case 0x42000020: op_wait(emu,op); return; } // printf("unhandled opcode at %x -> %x\n",emu->pc,op); setExceptionCode(emu,EXC_RI); emu->exceptionOccured = 1; return; }