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Changed the mb86235 disassembler to use 'std::ostream &' internally

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This commit is contained in:
Nathan Woods 2016-11-15 21:00:16 -05:00
parent 0ca7ac3b2a
commit 13f672682c
1 changed files with 21 additions and 15 deletions
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36
src/devices/cpu/mb86235/mb86235d.cpp
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@ -790,38 +790,34 @@ static char* dasm_xfer3(uint64_t opcode)
return buffer;
}
static unsigned dasm_mb86235(char *buffer, uint32_t pc, uint64_t opcode)
static unsigned dasm_mb86235(std::ostream &stream, uint32_t pc, uint64_t opcode)
{
char *p = buffer;
p[0] = 0;
switch ((opcode >> 61) & 7)
{
case 0: // ALU / MUL / double transfer (type 1)
p += sprintf(p, "%s : %s", dasm_alu_mul(opcode, true), dasm_double_xfer1(opcode));
util::stream_format(stream, "%s : %s", dasm_alu_mul(opcode, true), dasm_double_xfer1(opcode));
break;
case 1: // ALU / MYL / transfer (type 1)
p += sprintf(p, "%s : %s", dasm_alu_mul(opcode, true), dasm_xfer1(opcode));
util::stream_format(stream, "%s : %s", dasm_alu_mul(opcode, true), dasm_xfer1(opcode));
break;
case 2: // ALU / MUL / control
p += sprintf(p, "%s : %s", dasm_alu_mul(opcode, true), dasm_control(pc, opcode));
util::stream_format(stream, "%s : %s", dasm_alu_mul(opcode, true), dasm_control(pc, opcode));
break;
case 4: // ALU or MUL / double transfer (type 2)
p += sprintf(p, "%s : %s", dasm_alu_mul(opcode, false), dasm_double_xfer2(opcode));
util::stream_format(stream, "%s : %s", dasm_alu_mul(opcode, false), dasm_double_xfer2(opcode));
break;
case 5: // ALU or MUL / transfer (type 2)
p += sprintf(p, "%s : %s", dasm_alu_mul(opcode, false), dasm_xfer2(opcode));
util::stream_format(stream, "%s : %s", dasm_alu_mul(opcode, false), dasm_xfer2(opcode));
break;
case 6: // ALU or MUL / control
p += sprintf(p, "%s : %s", dasm_alu_mul(opcode, false), dasm_control(pc, opcode));
util::stream_format(stream, "%s : %s", dasm_alu_mul(opcode, false), dasm_control(pc, opcode));
break;
case 7: // transfer (type 3)
p += sprintf(p, "%s", dasm_xfer3(opcode));
util::stream_format(stream, "%s", dasm_xfer3(opcode));
break;
default:
p += sprintf(p, "???");
util::stream_format(stream, "???");
break;
}
@ -830,10 +826,20 @@ static unsigned dasm_mb86235(char *buffer, uint32_t pc, uint64_t opcode)
CPU_DISASSEMBLE( mb86235 )
static offs_t internal_disasm_mb86235(cpu_device *device, std::ostream &stream, offs_t pc, const uint8_t *oprom, const uint8_t *opram, int options)
{
uint64_t op = *(uint64_t*)oprom;
op = little_endianize_int64(op);
return dasm_mb86235(buffer, pc, op);
return dasm_mb86235(stream, pc, op);
}
CPU_DISASSEMBLE(mb86235)
{
std::ostringstream stream;
offs_t result = internal_disasm_mb86235(device, stream, pc, oprom, opram, options);
std::string stream_str = stream.str();
strcpy(buffer, stream_str.c_str());
return result;
}