diff options
Diffstat (limited to 'target/m68k/translate.c')
| -rw-r--r-- | target/m68k/translate.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/m68k/translate.c b/target/m68k/translate.c index ac936ebe8f..200018ae6a 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -2969,6 +2969,25 @@ DISAS_INSN(rtd) gen_jmp(s, tmp); } +DISAS_INSN(rtr) +{ + TCGv tmp; + TCGv ccr; + TCGv sp; + + sp = tcg_temp_new(); + ccr = gen_load(s, OS_WORD, QREG_SP, 0, IS_USER(s)); + tcg_gen_addi_i32(sp, QREG_SP, 2); + tmp = gen_load(s, OS_LONG, sp, 0, IS_USER(s)); + tcg_gen_addi_i32(QREG_SP, sp, 4); + tcg_temp_free(sp); + + gen_set_sr(s, ccr, true); + tcg_temp_free(ccr); + + gen_jmp(s, tmp); +} + DISAS_INSN(rts) { TCGv tmp; @@ -6015,6 +6034,7 @@ void register_m68k_insns (CPUM68KState *env) BASE(nop, 4e71, ffff); INSN(rtd, 4e74, ffff, RTD); BASE(rts, 4e75, ffff); + INSN(rtr, 4e77, ffff, M68000); BASE(jump, 4e80, ffc0); BASE(jump, 4ec0, ffc0); INSN(addsubq, 5000, f080, M68000); |