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tms5x: rename extract_bits to read_bits

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This commit is contained in:
hap 2024-08-22 11:08:50 +02:00
parent ab5f6378d0
commit 60f827ef0c
4 changed files with 18 additions and 18 deletions
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16
src/devices/sound/tms5110.cpp
View File

@ -277,11 +277,11 @@ static void printbits(long data, int num)
/******************************************************************************************
extract_bits -- extract a specific number of bits from the VSM
read_bits -- read a specific number of bits from the VSM
******************************************************************************************/
int tms5110_device::extract_bits(int count)
int tms5110_device::read_bits(int count)
{
int val = 0;
if (DEBUG_5110) logerror("requesting %d bits", count);
@ -846,7 +846,7 @@ void tms5110_device::PDC_set(int data)
fprintf(stderr,"actually reading a bit now\n");
#endif
m_CTL_buffer >>= 1;
m_CTL_buffer |= (extract_bits(1)<<3);
m_CTL_buffer |= (read_bits(1)<<3);
m_CTL_buffer &= 0xF;
}
break;
@ -924,7 +924,7 @@ void tms5110_device::parse_frame()
m_uv_zpar = m_zpar = 0;
// attempt to extract the energy index
m_new_frame_energy_idx = extract_bits(m_coeff->energy_bits);
m_new_frame_energy_idx = read_bits(m_coeff->energy_bits);
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(m_new_frame_energy_idx,m_coeff->energy_bits);
fprintf(stderr," ");
@ -934,13 +934,13 @@ void tms5110_device::parse_frame()
if ((m_new_frame_energy_idx == 0) || (m_new_frame_energy_idx == 15))
return;
rep_flag = extract_bits(1);
rep_flag = read_bits(1);
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(rep_flag, 1);
fprintf(stderr," ");
#endif
m_new_frame_pitch_idx = extract_bits(m_coeff->pitch_bits);
m_new_frame_pitch_idx = read_bits(m_coeff->pitch_bits);
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(m_new_frame_pitch_idx,m_coeff->pitch_bits);
fprintf(stderr," ");
@ -954,7 +954,7 @@ void tms5110_device::parse_frame()
// extract first 4 K coefficients
for (i = 0; i < 4; i++)
{
m_new_frame_k_idx[i] = extract_bits(m_coeff->kbits[i]);
m_new_frame_k_idx[i] = read_bits(m_coeff->kbits[i]);
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(m_new_frame_k_idx[i],m_coeff->kbits[i]);
fprintf(stderr," ");
@ -971,7 +971,7 @@ void tms5110_device::parse_frame()
// If we got here, we need the remaining 6 K's
for (i = 4; i < m_coeff->num_k; i++)
{
m_new_frame_k_idx[i] = extract_bits(m_coeff->kbits[i]);
m_new_frame_k_idx[i] = read_bits(m_coeff->kbits[i]);
#ifdef DEBUG_PARSE_FRAME_DUMP
printbits(m_new_frame_k_idx[i],m_coeff->kbits[i]);
fprintf(stderr," ");

2
src/devices/sound/tms5110.h
View File

@ -74,7 +74,7 @@ private:
void new_int_write_addr(uint8_t addr);
uint8_t new_int_read();
void register_for_save_states();
int extract_bits(int count);
int read_bits(int count);
void perform_dummy_read();
int32_t lattice_filter();
void process(int16_t *buffer, unsigned int size);

16
src/devices/sound/tms5220.cpp
View File

@ -746,11 +746,11 @@ void tms5220_device::update_fifo_status_and_ints()
/**********************************************************************************************
extract_bits -- extract a specific number of bits from the current input stream (FIFO or VSM)
read_bits -- read a specific number of bits from the current input stream (FIFO or VSM)
***********************************************************************************************/
int tms5220_device::extract_bits(int count)
int tms5220_device::read_bits(int count)
{
int val = 0;
@ -1469,7 +1469,7 @@ void tms5220_device::parse_frame()
has a 2 bit rate preceding it, grab two bits here and store them as the rate; */
if ((TMS5220_HAS_RATE_CONTROL) && (m_c_variant_rate & 0x04))
{
i = extract_bits(2);
i = read_bits(2);
printbits(i, 2);
LOGMASKED(LOG_PARSE_FRAME_DUMP_BIN | LOG_PARSE_FRAME_DUMP_HEX, " ");
m_IP = reload_table[i];
@ -1481,7 +1481,7 @@ void tms5220_device::parse_frame()
if (m_DDIS && m_buffer_empty) goto ranout;
// attempt to extract the energy index
m_new_frame_energy_idx = extract_bits(m_coeff->energy_bits);
m_new_frame_energy_idx = read_bits(m_coeff->energy_bits);
printbits(m_new_frame_energy_idx, m_coeff->energy_bits);
LOGMASKED(LOG_PARSE_FRAME_DUMP_BIN | LOG_PARSE_FRAME_DUMP_HEX, " ");
update_fifo_status_and_ints();
@ -1492,12 +1492,12 @@ void tms5220_device::parse_frame()
// attempt to extract the repeat flag
rep_flag = extract_bits(1);
rep_flag = read_bits(1);
printbits(rep_flag, 1);
LOGMASKED(LOG_PARSE_FRAME_DUMP_BIN | LOG_PARSE_FRAME_DUMP_HEX, " ");
// attempt to extract the pitch
m_new_frame_pitch_idx = extract_bits(m_coeff->pitch_bits);
m_new_frame_pitch_idx = read_bits(m_coeff->pitch_bits);
printbits(m_new_frame_pitch_idx, m_coeff->pitch_bits);
LOGMASKED(LOG_PARSE_FRAME_DUMP_BIN | LOG_PARSE_FRAME_DUMP_HEX, " ");
// if the new frame is unvoiced, be sure to zero out the k5-k10 parameters
@ -1511,7 +1511,7 @@ void tms5220_device::parse_frame()
// extract first 4 K coefficients
for (i = 0; i < 4; i++)
{
m_new_frame_k_idx[i] = extract_bits(m_coeff->kbits[i]);
m_new_frame_k_idx[i] = read_bits(m_coeff->kbits[i]);
printbits(m_new_frame_k_idx[i], m_coeff->kbits[i]);
LOGMASKED(LOG_PARSE_FRAME_DUMP_BIN | LOG_PARSE_FRAME_DUMP_HEX, " ");
update_fifo_status_and_ints();
@ -1528,7 +1528,7 @@ void tms5220_device::parse_frame()
// If we got here, we need the remaining 6 K's
for (i = 4; i < m_coeff->num_k; i++)
{
m_new_frame_k_idx[i] = extract_bits(m_coeff->kbits[i]);
m_new_frame_k_idx[i] = read_bits(m_coeff->kbits[i]);
printbits(m_new_frame_k_idx[i], m_coeff->kbits[i]);
LOGMASKED(LOG_PARSE_FRAME_DUMP_BIN | LOG_PARSE_FRAME_DUMP_HEX, " ");
update_fifo_status_and_ints();

2
src/devices/sound/tms5220.h
View File

@ -89,7 +89,7 @@ private:
void register_for_save_states();
void data_write(int data);
void update_fifo_status_and_ints();
int extract_bits(int count);
int read_bits(int count);
uint8_t status_read(bool clear_int);
bool ready_read();
bool int_read();