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Replaced the DEBUG_FRAME_DUMP define with a new DEBUG_PARSE_FRAME_DUMP which produces binary listings of each frame parsed. [Lord Nightmare]

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This commit is contained in:
Jonathan Gevaryahu 2010-04-26 04:54:23 +00:00
parent 97ac135b0b
commit 4fb6a60c8d
1 changed files with 47 additions and 43 deletions
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90
src/emu/sound/tms5220.c
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@ -190,10 +190,8 @@ device), PES Speech adapter (serial port connection)
// above is general, somewhat obsolete
#undef DEBUG_FIFO
// above debugs fifo stuff: writes, reads and flag updates
#undef DEBUG_FRAME_DUMP
// above dumps the contents of each decoded speech frame as hex
#undef DEBUG_FRAME_INFO
// above dumps information about each decoded speech frame
#undef DEBUG_PARSE_FRAME_DUMP
// above dumps each speech frame as a binary index listing
#undef DEBUG_FRAME_ERRORS
// above dumps info if a frame ran out of data
#undef DEBUG_COMMAND_DUMP
@ -431,6 +429,19 @@ static void register_for_save_states(tms5220_state *tms)
}
/**********************************************************************************************
printbits helper function: takes a long int input and prints the resulting bits to stderr
**********************************************************************************************/
static void printbits(long data, int num)
{
int i;
for (i=(num-1); i>=0; i--)
fprintf(stderr,"%0d", (int)(data>>i)&1);
}
/**********************************************************************************************
tms5220_data_write -- handle a write to the TMS5220
@ -734,7 +745,9 @@ static void tms5220_process(tms5220_state *tms, INT16 *buffer, unsigned int size
/* Parse a new frame into the new_target_energy, new_target_pitch and new_target_k[] */
parse_frame(tms);
#ifdef DEBUG_PARSE_FRAME_DUMP
fprintf(stderr,"\n");
#endif
/* Set old frame targets as starting point of new frame */
tms->current_energy = tms->old_frame_energy;
@ -1148,9 +1161,6 @@ static void process_command(tms5220_state *tms, unsigned char cmd)
static void parse_frame(tms5220_state *tms)
{
int bits, indx, i, rep_flag;
#ifdef DEBUG_FRAME_DUMP
int ene;
#endif
// todo: we actually don't care how many bits are left in the fifo here; the frame subpart will be processed normally, and any bits extracted 'past the end' of the fifo will be read as zeroes; the fifo being emptied will set the /BE latch which will halt speech exactly as if a stop frame had been encountered (instead of whatever partial frame was read); the same exact circuitry is used for both on the real chip, see us patent 4335277 sheet 16, gates 232a (decode stop frame) and 232b (decode /BE plus DDIS (decode disable) which is active during speak external).
if (tms->speak_external)
@ -1170,6 +1180,10 @@ static void parse_frame(tms5220_state *tms)
bits -= 2;
if (bits < 0) goto ranout;
indx = extract_bits(tms, 2);
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(indx,2);
fprintf(stderr," ");
#endif
tms->sample_count = reload_table[indx];
}
else // non-5220C and 5220C in fixed rate mode
@ -1180,84 +1194,74 @@ static void parse_frame(tms5220_state *tms)
if (bits < 0) goto ranout;
indx = extract_bits(tms,tms->coeff->energy_bits);
tms->new_frame_energy = tms->coeff->energytable[indx];
#ifdef DEBUG_FRAME_DUMP
ene = indx;
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(indx,tms->coeff->energy_bits);
fprintf(stderr," ");
#endif
/* if the energy index is 0 or 15, we're done */
if ((indx == 0) || (indx == 15))
{
#ifdef DEBUG_FRAME_INFO
logerror(" (4-bit energy=%d frame)\n",tms->new_frame_energy);
#endif
return;
}
/* attempt to extract the repeat flag */
bits -= 1;
if (bits < 0) goto ranout;
rep_flag = extract_bits(tms,1);
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(rep_flag, 1);
fprintf(stderr," ");
#endif
/* attempt to extract the pitch */
bits -= tms->coeff->pitch_bits;
if (bits < 0) goto ranout;
indx = extract_bits(tms,tms->coeff->pitch_bits);
tms->new_frame_pitch = tms->coeff->pitchtable[indx];
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(indx,tms->coeff->pitch_bits);
fprintf(stderr," ");
#endif
/* if this is a repeat frame, just copy the k's */
if (rep_flag)
{
//actually, we do nothing because the k's were already loaded (on parsing the previous frame)
#ifdef DEBUG_FRAME_INFO
logerror(" (10-bit energy=%d pitch=%d rep=%d frame)\n", tms->new_frame_energy, tms->new_frame_pitch, rep_flag);
#endif
return;
}
/* if the pitch index was zero, we need 4 k's */
if (indx == 0)
{
tms->new_frame_energy *= 2; // HACK
/* attempt to extract 4 K's */
bits -= 18;
if (bits < 0) goto ranout;
for (i = 0; i < 4; i++)
tms->new_frame_k[i] = tms->coeff->ktable[i][extract_bits(tms,tms->coeff->kbits[i])];
{
indx = extract_bits(tms,tms->coeff->kbits[i]);
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(indx,tms->coeff->kbits[i]);
fprintf(stderr," ");
#endif
tms->new_frame_k[i] = tms->coeff->ktable[i][indx];
}
/* and clear the rest of the new_frame_k[] */
for (i = 4; i < tms->coeff->num_k; i++)
tms->new_frame_k[i] = 0;
#ifdef DEBUG_FRAME_INFO
logerror(" (29-bit energy=%d pitch=%d rep=%d 4K frame)\n", tms->new_frame_energy, tms->new_frame_pitch, rep_flag);
#endif
return;
}
/* else we need 10 K's */
bits -= 39;
if (bits < 0) goto ranout;
#ifdef DEBUG_FRAME_DUMP
logerror("FrameDump %02d ", ene);
for (i = 0; i < tms->coeff->num_k; i++)
{
int x;
x = extract_bits(tms, tms->coeff->kbits[i]);
tms->new_frame_k[i] = tms->coeff->ktable[i][x];
logerror("%02d ", x);
}
logerror("\n");
#else
for (i = 0; i < tms->coeff->num_k; i++)
{
int x;
x = extract_bits(tms, tms->coeff->kbits[i]);
tms->new_frame_k[i] = tms->coeff->ktable[i][x];
}
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(indx,tms->coeff->kbits[i]);
fprintf(stderr," ");
#endif
tms->new_frame_k[i] = tms->coeff->ktable[i][x];
}
#ifdef DEBUG_FRAME_INFO
logerror(" (50-bit energy=%d pitch=%d rep=%d 10K frame))\n", tms->new_frame_energy, tms->new_frame_pitch, rep_flag);
if (tms->speak_external)
logerror("Parsed a frame successfully in FIFO - %d bits remaining\n", bits);
else