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MT 06540, 6541, 06542.

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(sn76477 - unconnected resistor treated as invalid even though it's the initial value)
(bshipb - infinite capacitance was specified)
This commit is contained in:
Robbbert 2017-04-27 22:15:50 +10:00
parent 9fedb345da
commit 764ea8e2f0
2 changed files with 19 additions and 10 deletions
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27
src/devices/sound/sn76477.cpp
View File

@ -1085,7 +1085,8 @@ WRITE_LINE_MEMBER( sn76477_device::vco_w )
void sn76477_device::one_shot_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (data != m_one_shot_res)
{
@ -1162,7 +1163,8 @@ void sn76477_device::one_shot_cap_voltage_w(double data)
void sn76477_device::slf_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (data != m_slf_res)
{
@ -1241,7 +1243,8 @@ void sn76477_device::slf_cap_voltage_w(double data)
void sn76477_device::vco_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (data != m_vco_res)
{
@ -1385,7 +1388,8 @@ WRITE_LINE_MEMBER( sn76477_device::noise_clock_w )
void sn76477_device::noise_clock_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (((data == 0) && !m_noise_clock_ext) ||
((data != 0) && (data != m_noise_clock_res)))
@ -1415,7 +1419,8 @@ void sn76477_device::noise_clock_res_w(double data)
void sn76477_device::noise_filter_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (data != m_noise_filter_res)
{
@ -1492,7 +1497,8 @@ void sn76477_device::noise_filter_cap_voltage_w(double data)
void sn76477_device::attack_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (data != m_attack_res)
{
@ -1512,7 +1518,8 @@ void sn76477_device::attack_res_w(double data)
void sn76477_device::decay_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (data != m_decay_res)
{
@ -1592,7 +1599,8 @@ void sn76477_device::attack_decay_cap_voltage_w(double data)
void sn76477_device::amplitude_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (data != m_amplitude_res)
{
@ -1612,7 +1620,8 @@ void sn76477_device::amplitude_res_w(double data)
void sn76477_device::feedback_res_w(double data)
{
CHECK_POSITIVE;
if (data != RES_INF)
CHECK_POSITIVE;
if (data != m_feedback_res)
{

2
src/mame/drivers/hh_tms1k.cpp
View File

@ -5567,7 +5567,7 @@ WRITE16_MEMBER(bshipb_state::write_o)
m_sn->vco_w(data >> 4 & 1);
// O5: R11 27K to SN76477 pin 23
m_sn->one_shot_cap_w((data & 0x20) ? RES_K(27) : RES_INF);
m_sn->one_shot_cap_w((data & 0x20) ? RES_K(27) : 0);
// O6: SN76477 pin 25
m_sn->mixer_b_w(data >> 6 & 1);