diff options
| author |  Normmatt <normmatt234@gmail.com> | 2014-12-17 03:01:42 -0500 |
|---|---|---|
| committer |  Lioncash <mathew1800@gmail.com> | 2014-12-17 03:26:01 -0500 |
| commit | 8045df14d2494e34c064b58bc1772101014172a2 (patch) | |
| tree | 102049e08f52dba796ecf10c7bc0a84ef3306b16 /src | |
| parent | bc81cc94901b72bf68e8241cf65e0e830b43fc93 (diff) | |
armemu: Implement REVSH
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/arm/interpreter/armemu.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp index a62658b7..71cae3db 100644 --- a/src/core/arm/interpreter/armemu.cpp +++ b/src/core/arm/interpreter/armemu.cpp @@ -6076,10 +6076,10 @@ L_stm_s_takeabort: ror = 24; break; - case 0xf3: + case 0xf3: // REV DEST = ((RHS & 0xFF) << 24) | ((RHS & 0xFF00)) << 8 | ((RHS & 0xFF0000) >> 8) | ((RHS & 0xFF000000) >> 24); return 1; - case 0xfb: + case 0xfb: // REV16 DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00)) >> 8 | ((RHS & 0xFF0000) << 8) | ((RHS & 0xFF000000) >> 8); return 1; default: @@ -6206,9 +6206,13 @@ L_stm_s_takeabort: ror = 24; break; - case 0xfb: - printf("Unhandled v6 insn: revsh\n"); - return 0; + case 0xfb: // REVSH + { + DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00) >> 8); + if (DEST & 0x8000) + DEST |= 0xffff0000; + return 1; + } default: break; } |