In these cases we must update the address register after
the operation.
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
Reviewed-by: Richard Henderson <r...@twiddle.net>
---
target/m68k/translate.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index 0e97900..23e2b06 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -1963,6 +1963,15 @@ DISAS_INSN(cas)
gen_partset_reg(opsize, DREG(ext, 0), load);
tcg_temp_free(load);
+
+ switch (extract32(insn, 3, 3)) {
+ case 3: /* Indirect postincrement. */
+ tcg_gen_addi_i32(AREG(insn, 0), addr, opsize_bytes(opsize));
+ break;
+ case 4: /* Indirect predecrememnt. */
+ tcg_gen_mov_i32(AREG(insn, 0), addr);
+ break;
+ }
}
DISAS_INSN(cas2w)
--
2.7.4
