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Changed the HMCS40 disassembler to use 'std::ostream &' internally

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This commit is contained in:
Nathan Woods 2016-10-30 12:08:18 -04:00
parent 894c6320a0
commit 00f5432355
1 changed files with 17 additions and 8 deletions
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25
src/devices/cpu/hmcs40/hmcs40d.cpp
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@ -184,26 +184,25 @@ static const uint8_t hmcs40_mnemonic[0x400] =
CPU_DISASSEMBLE(hmcs40)
static offs_t internal_disasm_hmcs40(cpu_device *device, std::ostream &stream, offs_t pc, const uint8_t *oprom, const uint8_t *opram, int options)
{
uint16_t op = (oprom[0] | oprom[1] << 8) & 0x3ff;
char *dst = buffer;
uint8_t instr = hmcs40_mnemonic[op];
int8_t bits = s_bits[instr];
// special case for (XY) opcode
if (bits == 99)
{
dst += sprintf(dst, "%s", s_mnemonics[instr]);
util::stream_format(stream, "%s", s_mnemonics[instr]);
if (op & 1)
dst += sprintf(dst, "X");
stream << "X";
if (op & 2)
dst += sprintf(dst, "Y");
stream << "Y";
}
else
{
dst += sprintf(dst, "%-6s ", s_mnemonics[instr]);
util::stream_format(stream, "%-6s ", s_mnemonics[instr]);
// opcode parameter
if (bits != 0)
@ -221,12 +220,22 @@ CPU_DISASSEMBLE(hmcs40)
param &= ((1 << bits) - 1);
if (bits > 5)
dst += sprintf(dst, "$%02X", param);
util::stream_format(stream, "$%02X", param);
else
dst += sprintf(dst, "%d", param);
util::stream_format(stream, "%d", param);
}
}
int pos = s_next_pc[pc & 0x3f] & DASMFLAG_LENGTHMASK;
return pos | s_flags[instr] | DASMFLAG_SUPPORTED;
}
CPU_DISASSEMBLE(hmcs40)
{
std::ostringstream stream;
offs_t result = internal_disasm_hmcs40(device, stream, pc, oprom, opram, options);
std::string stream_str = stream.str();
strcpy(buffer, stream_str.c_str());
return result;
}