diff options
| author | nakeee <nakeee@gmail.com> | 2009-04-21 08:53:36 +0000 |
|---|---|---|
| committer | nakeee <nakeee@gmail.com> | 2009-04-21 08:53:36 +0000 |
| commit | cf5b6efba007cf3fc576d6fd540aa918b02213d0 (patch) | |
| tree | 6bc6963382b8e4578600139f7bb190dc5616dfb0 /Source/Core/DSPCore/Src/DSPTables.cpp | |
| parent | 874a31e8ba727f4f0960a0972c57dbcc4ec9abc5 (diff) | |
DSP change condition code in accordance to latest finding
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3027 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'Source/Core/DSPCore/Src/DSPTables.cpp')
| -rw-r--r-- | Source/Core/DSPCore/Src/DSPTables.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/Source/Core/DSPCore/Src/DSPTables.cpp b/Source/Core/DSPCore/Src/DSPTables.cpp index 73d78ee658..321b253718 100644 --- a/Source/Core/DSPCore/Src/DSPTables.cpp +++ b/Source/Core/DSPCore/Src/DSPTables.cpp @@ -111,7 +111,7 @@ const DSPOPCTemplate opcodes[] = {"IFGE", 0x0277, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IFLNZ", 0x027c, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IFLZ", 0x027d, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
- {"IF", 0x027f, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL}, // Hermes doesn't list this
+ {"IF", 0x027f, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL}, // This is just nop
{"JNS", 0x0290, 0xffff, DSPInterpreter::jcc, nop, 2, 1, {{P_ADDR_I, 2, 1, 0, 0xffff}}, NULL, NULL},
{"JS", 0x0291, 0xffff, DSPInterpreter::jcc, nop, 2, 1, {{P_ADDR_I, 2, 1, 0, 0xffff}}, NULL, NULL},
@@ -219,11 +219,8 @@ const DSPOPCTemplate opcodes[] = {"M0", 0x8b00, 0xffff, DSPInterpreter::srbith, nop, 1 | P_EXT, 0, {}, dsp_op_ext_ops_pro, dsp_op_ext_ops_epi},
// These guys probably change the precision or range of some operations.
- // The question is which. 16-bit mode vs 40-bit mode sounds plausible for
- // SET40/SET16. Maybe Set15 makes the dsp drop the top bit from all
// calculations or something? Or clamp?
// SET15/CLR15 is commonly used around MULXAC in Zeldas.
- // SET16 is done around complicated loops with many madds etc.
{"CLR15", 0x8c00, 0xffff, DSPInterpreter::srbith, nop, 1 | P_EXT, 0, {}, dsp_op_ext_ops_pro, dsp_op_ext_ops_epi},
{"SET15", 0x8d00, 0xffff, DSPInterpreter::srbith, nop, 1 | P_EXT, 0, {}, dsp_op_ext_ops_pro, dsp_op_ext_ops_epi},
{"SET40", 0x8e00, 0xffff, DSPInterpreter::srbith, nop, 1 | P_EXT, 0, {}, dsp_op_ext_ops_pro, dsp_op_ext_ops_epi},
|