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Changed the PowerPC disassembler to use 'std::ostream &' internally

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This commit is contained in:
Nathan Woods 2016-11-16 18:51:56 -05:00
parent be110a64f3
commit 4651b54094
2 changed files with 18 additions and 8 deletions
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25
src/devices/cpu/powerpc/ppc_dasm.cpp
View File

@ -835,7 +835,7 @@ static int Simplified(uint32_t op, uint32_t vpc, char *signed16, char *mnem, cha
return 1;
}
offs_t ppc_dasm_one(char *buffer, uint32_t pc, uint32_t op)
offs_t ppc_dasm_one(std::ostream &stream, uint32_t pc, uint32_t op)
{
char signed16[12];
uint32_t disp;
@ -858,11 +858,11 @@ offs_t ppc_dasm_one(char *buffer, uint32_t pc, uint32_t op)
*/
if( Simplified(op, pc, signed16, mnem, oprs) ) {
buffer += sprintf(buffer, "%s", mnem);
util::stream_format(stream, "%s", mnem);
for( j = strlen(mnem); j < 10; j++ ) {
buffer += sprintf(buffer, " ");
util::stream_format(stream, " ");
}
buffer += sprintf(buffer, "%s", oprs);
util::stream_format(stream, "%s", oprs);
return 4 | flags;
}
@ -1156,19 +1156,28 @@ offs_t ppc_dasm_one(char *buffer, uint32_t pc, uint32_t op)
else if (itab[i].flags & FL_SO)
flags |= DASMFLAG_STEP_OUT;
buffer += sprintf(buffer, "%s", mnem);
util::stream_format(stream, "%s", mnem);
for( j = strlen(mnem); j < 10; j++ ) {
buffer += sprintf(buffer, " ");
util::stream_format(stream, " ");
}
buffer += sprintf(buffer, "%s", oprs);
util::stream_format(stream, "%s", oprs);
return 4 | flags;
}
}
sprintf(buffer, "?");
util::stream_format(stream, "?");
return 4 | flags;
}
offs_t ppc_dasm_one(char *buffer, uint32_t pc, uint32_t op)
{
std::ostringstream stream;
offs_t result = ppc_dasm_one(stream, pc, op);
std::string stream_str = stream.str();
strcpy(buffer, stream_str.c_str());
return result;
}
CPU_DISASSEMBLE( powerpc )
{
uint32_t op = *(uint32_t *)oprom;

1
src/devices/cpu/powerpc/ppccom.h
View File

@ -475,6 +475,7 @@ enum
#define G_TO(op) ((op & M_TO) >> (31 - 10))
#define G_XO(op) ((op & M_XO) >> (31 - 30))
extern offs_t ppc_dasm_one(std::ostream &stream, uint32_t pc, uint32_t op);
extern offs_t ppc_dasm_one(char *buffer, uint32_t pc, uint32_t op);