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

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This commit is contained in:
Nathan Woods 2016-10-30 13:27:13 -04:00
parent 894c6320a0
commit df9d6f7cba
1 changed files with 32 additions and 23 deletions
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55
src/devices/cpu/scudsp/scudspdasm.cpp
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@ -237,12 +237,11 @@ static void scudsp_dasm_prefix( const char* format, char* buffer, uint32_t *data
}
CPU_DISASSEMBLE( scudsp )
static offs_t internal_disasm_scudsp(cpu_device *device, std::ostream &stream, offs_t pc, const uint8_t *oprom, const uint8_t *opram, int options)
{
uint32_t op = oprom[0]<<24|oprom[1]<<16|oprom[2]<<8|oprom[3]<<0;
unsigned size = 1;
// const char *sym, *sym2;
char *my_buffer = buffer;
char temp_buffer[64];
uint32_t data[4];
@ -251,13 +250,12 @@ CPU_DISASSEMBLE( scudsp )
case 0:
if ( (op & 0x3F8E3000) == 0 )
{
sprintf( buffer, "%-10s", "NOP" );
util::stream_format(stream, "%-10s", "NOP");
break;
}
/* ALU */
sprintf(my_buffer, "%s", ALU_Commands[ (op & 0x3c000000) >> 26] );
my_buffer += strlen( my_buffer );
util::stream_format(stream, "%s", ALU_Commands[ (op & 0x3c000000) >> 26]);
/* X-Bus */
data[0] = (op & 0x700000) >> 20;
@ -269,12 +267,10 @@ CPU_DISASSEMBLE( scudsp )
{
*temp_buffer = 0;
}
sprintf( my_buffer, "%s", temp_buffer );
my_buffer += strlen( my_buffer );
util::stream_format(stream, "%s", temp_buffer);
scudsp_dasm_prefix( X_Commands[ (op & 0x1800000) >> 23 ], temp_buffer, data );
sprintf( my_buffer, "%s", temp_buffer );
my_buffer += strlen( my_buffer );
util::stream_format(stream, "%s", temp_buffer);
data[0] = (op & 0x1C000 ) >> 14 ;
if ( op & 0x80000 )
@ -285,12 +281,10 @@ CPU_DISASSEMBLE( scudsp )
{
*temp_buffer = 0;
}
sprintf( my_buffer, "%s", temp_buffer );
my_buffer += strlen( my_buffer );
util::stream_format(stream, "%s", temp_buffer);
scudsp_dasm_prefix( Y_Commands[ (op & 0x60000) >> 17 ], temp_buffer, data );
sprintf( my_buffer, "%s", temp_buffer );
my_buffer += strlen( my_buffer );
util::stream_format(stream, "%s", temp_buffer);
/* D1-Bus */
switch( (op & 0x3000) >> 12 )
@ -305,8 +299,8 @@ CPU_DISASSEMBLE( scudsp )
break;
}
scudsp_dasm_prefix( D1_Commands[ (op & 0x3000) >> 12 ], temp_buffer, data );
sprintf( my_buffer, "%s", temp_buffer );
scudsp_dasm_prefix( D1_Commands[ (op & 0x3000) >> 12 ], temp_buffer, data);
util::stream_format(stream, "%s", temp_buffer);
break;
case 2:
if ( (op & 0x2000000) )
@ -314,13 +308,15 @@ CPU_DISASSEMBLE( scudsp )
data[0] = op & 0x7FFFF;
data[1] = (op & 0x3C000000) >> 26;
data[2] = (op & 0x3F80000 ) >> 19;
scudsp_dasm_prefix( MVI_Command[1], buffer, data ); /* TODO: bad mem*/
scudsp_dasm_prefix( MVI_Command[1], temp_buffer, data); /* TODO: bad mem*/
stream << temp_buffer;
}
else
{
data[0] = op & 0x1FFFFFF;
data[1] = (op & 0x3C000000) >> 26;
scudsp_dasm_prefix( MVI_Command[0], buffer, data ); /* TODO: bad mem*/
scudsp_dasm_prefix( MVI_Command[0], temp_buffer, data ); /* TODO: bad mem*/
stream << temp_buffer;
}
break;
case 3:
@ -331,34 +327,47 @@ CPU_DISASSEMBLE( scudsp )
data[1] = (op & 0x38000) >> 15; /* A */
data[2] = (op & 0x700) >> 8; /* Mem */
data[3] = (op & 0xff);
scudsp_dasm_prefix( DMA_Command[(op & 0x3000) >> 12], buffer, data );
scudsp_dasm_prefix( DMA_Command[(op & 0x3000) >> 12], temp_buffer, data );
stream << temp_buffer;
break;
case 1:
if ( op & 0x3F80000 )
{
data[0] = (op & 0x3F80000) >> 19;
data[1] = op & 0xff;
scudsp_dasm_prefix( JMP_Command[1], buffer, data );
scudsp_dasm_prefix( JMP_Command[1], temp_buffer, data );
stream << temp_buffer;
}
else
{
data[0] = op & 0xff;
scudsp_dasm_prefix( JMP_Command[0], buffer, data );
scudsp_dasm_prefix( JMP_Command[0], temp_buffer, data );
stream << temp_buffer;
}
break;
case 2:
sprintf(buffer, op & 0x8000000 ? "LPS" : "BTM");
stream << (op & 0x8000000 ? "LPS" : "BTM");
break;
case 3:
sprintf(buffer, op & 0x8000000 ? "ENDI" : "END");
stream << (op & 0x8000000 ? "ENDI" : "END");
break;
}
break;
default:
sprintf(buffer, "???");
stream << "???";
break;
}
return size;
}
CPU_DISASSEMBLE(scudsp)
{
std::ostringstream stream;
offs_t result = internal_disasm_scudsp(device, stream, pc, oprom, opram, options);
std::string stream_str = stream.str();
strcpy(buffer, stream_str.c_str());
return result;
}