?? op.c
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/* * SH4 emulation * * Copyright (c) 2005 Samuel Tardieu * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */#include "exec.h"static inline void set_t(void){ env->sr |= SR_T;}static inline void clr_t(void){ env->sr &= ~SR_T;}static inline void cond_t(int cond){ if (cond) set_t(); else clr_t();}void OPPROTO op_movl_imm_T0(void){ T0 = (uint32_t) PARAM1; RETURN();}void OPPROTO op_movl_imm_T1(void){ T0 = (uint32_t) PARAM1; RETURN();}void OPPROTO op_movl_imm_T2(void){ T0 = (uint32_t) PARAM1; RETURN();}void OPPROTO op_cmp_eq_imm_T0(void){ cond_t((int32_t) T0 == (int32_t) PARAM1); RETURN();}void OPPROTO op_cmd_eq_T0_T1(void){ cond_t(T0 == T1); RETURN();}void OPPROTO op_cmd_hs_T0_T1(void){ cond_t((uint32_t) T0 <= (uint32_t) T1); RETURN();}void OPPROTO op_cmd_ge_T0_T1(void){ cond_t((int32_t) T0 <= (int32_t) T1); RETURN();}void OPPROTO op_cmd_hi_T0_T1(void){ cond_t((uint32_t) T0 < (uint32_t) T1); RETURN();}void OPPROTO op_cmd_gt_T0_T1(void){ cond_t((int32_t) T0 < (int32_t) T1); RETURN();}void OPPROTO op_not_T0(void){ T0 = ~T0; RETURN();}void OPPROTO op_bf_s(void){ env->delayed_pc = PARAM1; if (!(env->sr & SR_T)) { env->flags |= DELAY_SLOT_TRUE; } RETURN();}void OPPROTO op_bt_s(void){ env->delayed_pc = PARAM1; if (env->sr & SR_T) { env->flags |= DELAY_SLOT_TRUE; } RETURN();}void OPPROTO op_store_flags(void){ env->flags &= DELAY_SLOT_TRUE; env->flags |= PARAM1; RETURN();}void OPPROTO op_bra(void){ env->delayed_pc = PARAM1; RETURN();}void OPPROTO op_braf_T0(void){ env->delayed_pc = PARAM1 + T0; RETURN();}void OPPROTO op_bsr(void){ env->pr = PARAM1; env->delayed_pc = PARAM2; RETURN();}void OPPROTO op_bsrf_T0(void){ env->pr = PARAM1; env->delayed_pc = PARAM1 + T0; RETURN();}void OPPROTO op_jsr_T0(void){ env->pr = PARAM1; env->delayed_pc = T0; RETURN();}void OPPROTO op_rts(void){ env->delayed_pc = env->pr; RETURN();}void OPPROTO op_exit_tb(void){ EXIT_TB(); RETURN();}void OPPROTO op_addl_imm_T0(void){ T0 += PARAM1; RETURN();}void OPPROTO op_addl_imm_T1(void){ T1 += PARAM1; RETURN();}void OPPROTO op_clrmac(void){ env->mach = env->macl = 0; RETURN();}void OPPROTO op_clrs(void){ env->sr &= ~SR_S; RETURN();}void OPPROTO op_clrt(void){ env->sr &= ~SR_T; RETURN();}void OPPROTO op_sets(void){ env->sr |= SR_S; RETURN();}void OPPROTO op_sett(void){ env->sr |= SR_T; RETURN();}void OPPROTO op_frchg(void){ env->fpscr ^= FPSCR_FR; RETURN();}void OPPROTO op_fschg(void){ env->fpscr ^= FPSCR_SZ; RETURN();}void OPPROTO op_rte(void){ env->sr = env->ssr; env->delayed_pc = env->spc; RETURN();}void OPPROTO op_swapb_T0(void){ T0 = (T0 & 0xffff0000) | ((T0 & 0xff) << 8) | ((T0 >> 8) & 0xff); RETURN();}void OPPROTO op_swapw_T0(void){ T0 = ((T0 & 0xffff) << 16) | ((T0 >> 16) & 0xffff); RETURN();}void OPPROTO op_xtrct_T0_T1(void){ T1 = ((T0 & 0xffff) << 16) | ((T1 >> 16) & 0xffff); RETURN();}void OPPROTO op_addc_T0_T1(void){ helper_addc_T0_T1(); RETURN();}void OPPROTO op_addv_T0_T1(void){ helper_addv_T0_T1(); RETURN();}void OPPROTO op_cmp_eq_T0_T1(void){ cond_t(T1 == T0); RETURN();}void OPPROTO op_cmp_ge_T0_T1(void){ cond_t((int32_t) T1 >= (int32_t) T0); RETURN();}void OPPROTO op_cmp_gt_T0_T1(void){ cond_t((int32_t) T1 > (int32_t) T0); RETURN();}void OPPROTO op_cmp_hi_T0_T1(void){ cond_t((uint32_t) T1 > (uint32_t) T0); RETURN();}void OPPROTO op_cmp_hs_T0_T1(void){ cond_t((uint32_t) T1 >= (uint32_t) T0); RETURN();}void OPPROTO op_cmp_str_T0_T1(void){ cond_t((T0 & 0x000000ff) == (T1 & 0x000000ff) || (T0 & 0x0000ff00) == (T1 & 0x0000ff00) || (T0 & 0x00ff0000) == (T1 & 0x00ff0000) || (T0 & 0xff000000) == (T1 & 0xff000000)); RETURN();}void OPPROTO op_tst_T0_T1(void){ cond_t((T1 & T0) == 0); RETURN();}void OPPROTO op_div0s_T0_T1(void){ if (T1 & 0x80000000) env->sr |= SR_Q; else env->sr &= ~SR_Q; if (T0 & 0x80000000) env->sr |= SR_M; else env->sr &= ~SR_M; cond_t((T1 ^ T0) & 0x80000000); RETURN();}void OPPROTO op_div0u(void){ env->sr &= ~(SR_M | SR_Q | SR_T); RETURN();}void OPPROTO op_div1_T0_T1(void){ helper_div1_T0_T1(); RETURN();}void OPPROTO op_dmulsl_T0_T1(void){ helper_dmulsl_T0_T1(); RETURN();}void OPPROTO op_dmulul_T0_T1(void){ helper_dmulul_T0_T1(); RETURN();}void OPPROTO op_macl_T0_T1(void){ helper_macl_T0_T1(); RETURN();}void OPPROTO op_macw_T0_T1(void){ helper_macw_T0_T1(); RETURN();}void OPPROTO op_mull_T0_T1(void){ env->macl = (T0 * T1) & 0xffffffff; RETURN();}void OPPROTO op_mulsw_T0_T1(void){ env->macl = (int32_t) T0 *(int32_t) T1; RETURN();}void OPPROTO op_muluw_T0_T1(void){ env->macl = (uint32_t) T0 *(uint32_t) T1; RETURN();}void OPPROTO op_neg_T0(void){ T0 = -T0; RETURN();}void OPPROTO op_negc_T0(void){ helper_negc_T0(); RETURN();}void OPPROTO op_shad_T0_T1(void){ if ((T0 & 0x80000000) == 0) T1 <<= (T0 & 0x1f); else if ((T0 & 0x1f) == 0) T1 = 0; else T1 = ((int32_t) T1) >> ((~T0 & 0x1f) + 1); RETURN();}void OPPROTO op_shld_T0_T1(void){ if ((T0 & 0x80000000) == 0) T1 <<= (T0 & 0x1f); else if ((T0 & 0x1f) == 0) T1 = 0; else T1 = ((uint32_t) T1) >> ((~T0 & 0x1f) + 1); RETURN();}void OPPROTO op_subc_T0_T1(void){ helper_subc_T0_T1(); RETURN();}void OPPROTO op_subv_T0_T1(void){ helper_subv_T0_T1(); RETURN();}void OPPROTO op_trapa(void){ env->tra = PARAM1 << 2; env->exception_index = 0x160; do_raise_exception(); RETURN();}void OPPROTO op_cmp_pl_T0(void){ cond_t((int32_t) T0 > 0); RETURN();}void OPPROTO op_cmp_pz_T0(void){ cond_t((int32_t) T0 >= 0); RETURN();}void OPPROTO op_jmp_T0(void){ env->delayed_pc = T0; RETURN();}void OPPROTO op_movl_rN_rN(void){ env->gregs[PARAM2] = env->gregs[PARAM1]; RETURN();}void OPPROTO op_ldcl_rMplus_rN_bank(void){ env->gregs[PARAM2] = env->gregs[PARAM1]; env->gregs[PARAM1] += 4; RETURN();}void OPPROTO op_ldc_T0_sr(void){ env->sr = T0 & 0x700083f3; RETURN();}void OPPROTO op_stc_sr_T0(void){ T0 = env->sr; RETURN();}#define LDSTOPS(target,load,store) \void OPPROTO op_##load##_T0_##target (void) \{ env ->target = T0; RETURN(); \} \void OPPROTO op_##store##_##target##_T0 (void) \{ T0 = env->target; RETURN(); \} \ LDSTOPS(gbr, ldc, stc) LDSTOPS(vbr, ldc, stc) LDSTOPS(ssr, ldc, stc) LDSTOPS(spc, ldc, stc) LDSTOPS(sgr, ldc, stc) LDSTOPS(dbr, ldc, stc) LDSTOPS(mach, lds, sts) LDSTOPS(macl, lds, sts) LDSTOPS(pr, lds, sts) LDSTOPS(fpul, lds, sts)void OPPROTO op_lds_T0_fpscr(void){ env->fpscr = T0 & 0x003fffff; env->fp_status.float_rounding_mode = T0 & 0x01 ? float_round_to_zero : float_round_nearest_even; RETURN();}void OPPROTO op_sts_fpscr_T0(void){ T0 = env->fpscr & 0x003fffff; RETURN();}void OPPROTO op_movt_rN(void){ env->gregs[PARAM1] = env->sr & SR_T; RETURN();}void OPPROTO op_rotcl_Rn(void){ helper_rotcl(&env->gregs[PARAM1]); RETURN();}void OPPROTO op_rotcr_Rn(void){ helper_rotcr(&env->gregs[PARAM1]); RETURN();}void OPPROTO op_rotl_Rn(void){ cond_t(env->gregs[PARAM1] & 0x80000000); env->gregs[PARAM1] = (env->gregs[PARAM1] << 1) | (env->sr & SR_T); RETURN();
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