diff options
| -rw-r--r-- | sim/moxie/ChangeLog | 4 | ||||
| -rw-r--r-- | sim/moxie/interp.c | 20 |
2 files changed, 22 insertions, 2 deletions
diff --git a/sim/moxie/ChangeLog b/sim/moxie/ChangeLog index 691d41a..2831c94 100644 --- a/sim/moxie/ChangeLog +++ b/sim/moxie/ChangeLog @@ -1,3 +1,7 @@ +2014-04-02 Anthony Green <green@moxielogic.com> + + * interp.c (sim_resume): Add new sign-extend instructions. + 2014-03-10 Mike Frysinger <vapier@gentoo.org> * interp.c (sim_do_command): Add const to cmd. diff --git a/sim/moxie/interp.c b/sim/moxie/interp.c index a3f238a..4362c66 100644 --- a/sim/moxie/interp.c +++ b/sim/moxie/interp.c @@ -586,8 +586,24 @@ sim_resume (sd, step, siggnal) break; case 0x0f: /* nop */ break; - case 0x10: /* bad */ - case 0x11: /* bad */ + case 0x10: /* sex.b */ + { + int a = (inst >> 4) & 0xf; + int b = inst & 0xf; + signed char bv = cpu.asregs.regs[b]; + TRACE("sex.b"); + cpu.asregs.regs[a] = (int) bv; + } + break; + case 0x11: /* sex.s */ + { + int a = (inst >> 4) & 0xf; + int b = inst & 0xf; + signed short bv = cpu.asregs.regs[b]; + TRACE("sex.s"); + cpu.asregs.regs[a] = (int) bv; + } + break; case 0x12: /* bad */ case 0x13: /* bad */ case 0x14: /* bad */ |