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DSP: fix IF_CC - could end up in the middle of ops if they were multiword! 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2882 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2009-04-05 17:29:06 +00:00
parent 4913912dbb
commit 40a7cd15ad
5 changed files with 19 additions and 24 deletions
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6
Source/Plugins/Plugin_DSP_LLE-testing/Src/DSPInterpreter.cpp
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@ -32,8 +32,7 @@ namespace DSPInterpreter {
void unknown(const UDSPInstruction& opc)
{
//_assert_msg_(MASTER_LOG, !g_dsp.exception_in_progress_hack, "assert while exception");
ERROR_LOG(DSPHLE, "LLE: Unrecognized opcode 0x%04x, pc 0x%04x", opc.hex, g_dsp.pc - 1);
//g_dsp.pc = g_dsp.err_pc;
ERROR_LOG(DSPHLE, "LLE: Unrecognized opcode 0x%04x, pc 0x%04x", opc.hex, g_dsp.err_pc);
}
// Generic call implementation
@ -68,7 +67,8 @@ void ifcc(const UDSPInstruction& opc)
{
if (!CheckCondition(opc.hex & 0xf))
{
dsp_fetch_code(); // skip the next opcode
// skip the next opcode - we have to lookup its size.
g_dsp.pc += opSize[dsp_peek_code()];
}
}

22
Source/Plugins/Plugin_DSP_LLE-testing/Src/DSPTables.cpp
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@ -91,16 +91,16 @@ DSPOPCTemplate opcodes[] =
{"CALLLZ", 0x02bd, 0xffff, DSPInterpreter::call, nop, 2, 1, {{P_VAL, 2, 1, 0, 0xffff}}, NULL, NULL},
{"CALL", 0x02bf, 0xffff, DSPInterpreter::call, nop, 2, 1, {{P_VAL, 2, 1, 0, 0xffff}}, NULL, NULL},
{"IFNS", 0x0270, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IFS", 0x0271, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IFG", 0x0272, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IFLE", 0x0273, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IFNZ", 0x0274, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IFZ", 0x0275, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IFL", 0x0276, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"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 NS", 0x0270, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF S", 0x0271, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF G", 0x0272, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF LE", 0x0273, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF NZ", 0x0274, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF Z", 0x0275, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF L", 0x0276, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF GE", 0x0277, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF LNZ", 0x027c, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF LZ", 0x027d, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL},
{"IF", 0x027f, 0xffff, DSPInterpreter::ifcc, nop, 1, 0, {}, NULL, NULL}, // Hermes doesn't list this
{"JNS", 0x0290, 0xffff, DSPInterpreter::jcc, nop, 2, 1, {{P_VAL, 2, 1, 0, 0xffff}}, NULL, NULL},
@ -315,6 +315,7 @@ DSPOPCTemplate opcodes_ext[] =
const u32 opcodes_size = sizeof(opcodes) / sizeof(DSPOPCTemplate);
const u32 opcodes_ext_size = sizeof(opcodes_ext) / sizeof(DSPOPCTemplate);
u8 opSize[OPTABLE_SIZE];
dspInstFunc opTable[OPTABLE_SIZE];
dspInstFunc prologueTable[OPTABLE_SIZE];
dspInstFunc epilogueTable[OPTABLE_SIZE];
@ -332,6 +333,7 @@ void InitInstructionTable()
if ((opcodes[j].opcode_mask & i) == opcodes[j].opcode) {
if (opTable[i] == DSPInterpreter::unknown) {
opTable[i] = opcodes[j].interpFunc;
opSize[i] = opcodes[j].size;
prologueTable[i] = opcodes[j].prologue;
epilogueTable[i] = opcodes[j].epilogue;
} else {

1
Source/Plugins/Plugin_DSP_LLE-testing/Src/DSPTables.h
View File

@ -110,6 +110,7 @@ extern DSPOPCTemplate opcodes[];
extern const u32 opcodes_size;
extern DSPOPCTemplate opcodes_ext[];
extern const u32 opcodes_ext_size;
extern u8 opSize[OPTABLE_SIZE];
extern dspInstFunc opTable[];

8
Source/Plugins/Plugin_DSP_LLE-testing/Src/gdsp_interpreter.cpp
View File

@ -73,11 +73,6 @@ void UpdateCachedCR()
//-------------------------------------------------------------------------------
void dbg_error(char* err_msg)
{
return;
}
void gdsp_init()
{
// Why do we have DROM? Does it exist? Has it been dumped?
@ -242,6 +237,9 @@ void gdsp_loop_step()
u16 HLE_ROM_80E7_81F8();
void hacks();
void gdsp_step()
{
g_dsp.step_counter++;

6
Source/Plugins/Plugin_DSP_LLE/Src/gdsp_interpreter.cpp
View File

@ -77,12 +77,6 @@ void (*dsp_op[])(uint16 opc) =
dsp_opcd, dsp_opcd, dsp_ope, dsp_opf,
};
void dbg_error(char* err_msg)
{
return;
}
void gdsp_init()
{
g_dsp.irom = (uint16*)malloc(DSP_IROM_SIZE * sizeof(uint16));