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nanoprocessor: using ostream in disassembler now

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This commit is contained in:
fulivi 2016-11-02 11:47:07 +01:00
parent 00acfb20fd
commit 4e722d69c8
1 changed files with 24 additions and 26 deletions
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50
src/devices/cpu/nanoprocessor/nanoprocessor_dasm.cpp
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@ -8,7 +8,7 @@
#include "debugger.h"
#include "nanoprocessor.h"
typedef void (*fn_dis_param)(char *buffer , uint8_t opcode , const uint8_t* opram);
typedef void (*fn_dis_param)(std::ostream& stream , uint8_t opcode , const uint8_t* opram);
typedef struct {
uint8_t m_op_mask;
@ -18,47 +18,45 @@ typedef struct {
uint32_t m_dasm_flags;
} dis_entry_t;
static void param_bitno(char *buffer , uint8_t opcode , const uint8_t* opram)
static void param_bitno(std::ostream& stream , uint8_t opcode , const uint8_t* opram)
{
*buffer++ = '0' + (opcode & 7);
*buffer = '\0';
stream << (char)('0' + (opcode & 7));
}
static void param_ds(char *buffer , uint8_t opcode , const uint8_t* opram)
static void param_ds(std::ostream& stream , uint8_t opcode , const uint8_t* opram)
{
sprintf(buffer , "DS%u" , opcode & 0xf);
util::stream_format(stream , "DS%u" , opcode & 0xf);
}
static void param_reg(char *buffer , uint8_t opcode , const uint8_t* opram)
static void param_reg(std::ostream& stream , uint8_t opcode , const uint8_t* opram)
{
sprintf(buffer , "R%u" , opcode & 0xf);
util::stream_format(stream , "R%u" , opcode & 0xf);
}
static void param_11bit(char *buffer , uint8_t opcode , const uint8_t* opram)
static void param_11bit(std::ostream& stream , uint8_t opcode , const uint8_t* opram)
{
unsigned tmp = ((unsigned)(opcode & 7) << 8) | *opram;
sprintf(buffer , "$%03x" , tmp);
util::stream_format(stream , "$%03x" , tmp);
}
static void param_page_no(char *buffer , uint8_t opcode , const uint8_t* opram)
static void param_page_no(std::ostream& stream , uint8_t opcode , const uint8_t* opram)
{
*buffer++ = '0' + (opcode & 7);
*buffer = '\0';
stream << (char)('0' + (opcode & 7));
}
static void param_byte(char *buffer , uint8_t opcode , const uint8_t* opram)
static void param_byte(std::ostream& stream , uint8_t opcode , const uint8_t* opram)
{
sprintf(buffer , "$%02x" , *opram);
util::stream_format(stream , "$%02x" , *opram);
}
static void param_ds_byte(char *buffer , uint8_t opcode , const uint8_t* opram)
static void param_ds_byte(std::ostream& stream , uint8_t opcode , const uint8_t* opram)
{
sprintf(buffer , "DS%u,$%02x" , opcode & 0xf , *opram);
util::stream_format(stream , "DS%u,$%02x" , opcode & 0xf , *opram);
}
static void param_reg_byte(char *buffer , uint8_t opcode , const uint8_t* opram)
static void param_reg_byte(std::ostream& stream , uint8_t opcode , const uint8_t* opram)
{
sprintf(buffer , "R%u,$%02x" , opcode & 0xf , *opram);
util::stream_format(stream , "R%u,$%02x" , opcode & 0xf , *opram);
}
static const dis_entry_t dis_table[] = {
@ -116,19 +114,19 @@ static const dis_entry_t dis_table[] = {
CPU_DISASSEMBLE(hp_nanoprocessor)
{
const uint8_t opcode = *oprom;
char operand[ 16 ];
std::ostringstream stream;
const uint8_t opcode = *oprom;
opram++;
opram++;
for (const dis_entry_t& ent : dis_table) {
if ((opcode & ent.m_op_mask) == ent.m_opcode) {
strcpy(buffer , ent.m_mnemonic);
strcat(buffer , " ");
stream << ent.m_mnemonic << ' ';
if (ent.m_param_fn != nullptr) {
ent.m_param_fn(operand , opcode , opram);
strcat(buffer , operand);
ent.m_param_fn(stream , opcode , opram);
}
std::string stream_str = stream.str();
strcpy(buffer, stream_str.c_str());
return ent.m_dasm_flags | DASMFLAG_SUPPORTED;
}
}