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ES5506: optimize more

This commit is contained in:
tildearrow 2023-02-11 04:21:15 -05:00
parent 6a9c2d6c77
commit c0190b81cb
9 changed files with 45 additions and 38 deletions
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12
extern/vgsound_emu-modified/vgsound_emu/src/es550x/es5504.cpp vendored
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@ -23,7 +23,7 @@ void es5504_core::tick()
// /CAS low, E low: fetch sample
if (!m_e.current_edge())
{
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
}
}
}
@ -41,7 +41,7 @@ void es5504_core::tick()
if (m_e.falling_edge()) // Voice memory
{
m_host_intf.clear_host_access();
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
}
}
if (m_e.current_edge()) // Host interface
@ -81,7 +81,7 @@ void es5504_core::tick_perf()
m_intf.e_pin(false);
m_host_intf.clear_host_access();
m_host_intf.clear_strobe();
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
voice_tick();
// rising edge
m_e.edge().set(true);
@ -92,7 +92,7 @@ void es5504_core::tick_perf()
m_intf.e_pin(false);
m_host_intf.clear_host_access();
m_host_intf.clear_strobe();
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
voice_tick();
// rising edge
m_e.edge().set(true);
@ -126,11 +126,11 @@ void es5504_core::voice_tick()
}
}
void es5504_core::voice_t::fetch(u8 voice, u8 cycle)
void es5504_core::voice_t::fetch(u8 cycle)
{
m_alu.set_sample(
cycle,
m_host.m_intf.read_sample(voice,
m_host.m_intf.read_sample(
bitfield(m_cr.ca(), 0, 3),
bitfield(m_alu.get_accum_integer() + cycle, 0, m_alu.m_integer)));
}

2
extern/vgsound_emu-modified/vgsound_emu/src/es550x/es5504.hpp vendored
View File

@ -32,7 +32,7 @@ class es5504_core : public es550x_shared_core
// internal state
virtual void reset() override;
virtual void fetch(u8 voice, u8 cycle) override;
virtual void fetch(u8 cycle) override;
virtual void tick(u8 voice) override;
// setters

14
extern/vgsound_emu-modified/vgsound_emu/src/es550x/es5505.cpp vendored
View File

@ -97,7 +97,7 @@ void es5505_core::tick()
// /CAS low, E low: fetch sample
if (!m_e.current_edge())
{
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
}
}
}
@ -113,7 +113,7 @@ void es5505_core::tick()
else if (m_e.falling_edge()) // Voice memory
{
m_host_intf.clear_host_access();
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
}
if (m_e.current_edge()) // Host interface
{
@ -159,7 +159,7 @@ void es5505_core::tick_perf()
m_intf.e_pin(false);
m_host_intf.clear_host_access();
m_host_intf.clear_strobe();
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
voice_tick();
// rising edge
m_e.edge().set(true);
@ -170,7 +170,7 @@ void es5505_core::tick_perf()
m_intf.e_pin(false);
m_host_intf.clear_host_access();
m_host_intf.clear_strobe();
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
voice_tick();
// rising edge
m_e.edge().set(true);
@ -211,12 +211,12 @@ void es5505_core::voice_tick()
}
}
void es5505_core::voice_t::fetch(u8 voice, u8 cycle)
void es5505_core::voice_t::fetch(u8 cycle)
{
m_alu.set_sample(
cycle,
m_host.m_intf.read_sample(voice,
bitfield(m_cr.bs(), 0),
m_host.m_intf.read_sample(
bitfield(m_cr.m_bs, 0),
bitfield(m_alu.get_accum_integer() + cycle, 0, m_alu.m_integer)));
}

2
extern/vgsound_emu-modified/vgsound_emu/src/es550x/es5505.hpp vendored
View File

@ -112,7 +112,7 @@ class es5505_core : public es550x_shared_core
// internal state
virtual void reset() override;
virtual void fetch(u8 voice, u8 cycle) override;
virtual void fetch(u8 cycle) override;
virtual void tick(u8 voice) override;
// setters

39
extern/vgsound_emu-modified/vgsound_emu/src/es550x/es5506.cpp vendored
View File

@ -134,7 +134,7 @@ void es5506_core::tick()
// sample
if (m_mode.master())
{
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
}
}
else if (m_e.current_edge())
@ -142,7 +142,7 @@ void es5506_core::tick()
// dual OTTO slave mode, /CAS low, E high: fetch sample
if (m_mode.dual() && (!m_mode.master()))
{ // Dual OTTO, slave mode
m_voice[m_voice_cycle].fetch(m_voice_cycle, m_voice_fetch);
m_voice[m_voice_cycle].fetch(m_voice_fetch);
}
}
}
@ -228,8 +228,7 @@ void es5506_core::tick_perf()
m_host_intf.clear_host_access();
m_host_intf.clear_strobe();
}
m_voice[m_voice_cycle].fetch(m_voice_cycle, 0);
m_voice[m_voice_cycle].fetch(m_voice_cycle, 1);
m_voice[m_voice_cycle].fetch(0);
voice_tick();
if (bounce) {
// rising edge
@ -250,19 +249,19 @@ void es5506_core::voice_tick()
{
m_voice_end = true;
m_voice_cycle = 0;
for (output_t &elem : m_ch)
for (int i=0; i<6; i++)
{
elem.reset();
m_ch[i].reset();
}
for (voice_t &elem : m_voice)
for (int i=0; i<32; i++)
{
const u8 ca = elem.cr().ca()&7;
const u8 ca = m_voice[i].cr().ca()&7;
if (ca < 6)
{
m_ch[ca] += elem.ch();
m_ch[ca] += m_voice[i].ch();
}
elem.ch().reset();
m_voice[i].ch().reset();
}
}
else
@ -271,16 +270,24 @@ void es5506_core::voice_tick()
}
}
void es5506_core::voice_t::fetch(u8 voice, u8 cycle)
void es5506_core::voice_t::fetch(u8 cycle)
{
m_alu.set_sample(
cycle,
m_host.m_intf.read_sample(voice,
m_cr.bs(),
(m_alu.get_accum_integer() + cycle)&((1<<m_alu.m_integer)-1)));
0,
m_host.m_intf.read_sample(m_cr.m_bs,
(m_alu.get_accum_integer())&((1<<m_alu.m_integer)-1)));
if (m_cr.cmpd())
{ // Decompress (Upper 8 bit is used for compressed format)
m_alu.set_sample(cycle, decompress((m_alu.sample(cycle)>>8)&255));
m_alu.set_sample(0, decompress((m_alu.sample(0)>>8)&255));
}
m_alu.set_sample(
1,
m_host.m_intf.read_sample(m_cr.m_bs,
(m_alu.get_accum_integer() + 1)&((1<<m_alu.m_integer)-1)));
if (m_cr.cmpd())
{ // Decompress (Upper 8 bit is used for compressed format)
m_alu.set_sample(1, decompress((m_alu.sample(1)>>8)&255));
}
}

2
extern/vgsound_emu-modified/vgsound_emu/src/es550x/es5506.hpp vendored
View File

@ -152,7 +152,7 @@ class es5506_core : public es550x_shared_core
// internal state
virtual void reset() override;
virtual void fetch(u8 voice, u8 cycle) override;
virtual void fetch(u8 cycle) override;
virtual void tick(u8 voice) override;
// Setters

6
extern/vgsound_emu-modified/vgsound_emu/src/es550x/es550x.hpp vendored
View File

@ -41,7 +41,7 @@ class es550x_intf : public vgsound_emu_core
virtual void adc_w(u16 data) {} // ADC output
virtual s16 read_sample(u8 voice, u8 bank, u32 address) { return 0; }
virtual s16 read_sample(u8 bank, u32 address) { return 0; }
};
// Shared functions for ES5504/ES5505/ES5506
@ -137,7 +137,7 @@ class es550x_shared_core : public vgsound_emu_core
inline bool cmpd() { return m_cmpd; }
protected:
public:
// Channel assign -
// 4 bit (16 channel or Bank) for ES5504
// 2 bit (4 stereo channels) for ES5505
@ -456,7 +456,7 @@ class es550x_shared_core : public vgsound_emu_core
// internal state
virtual void reset();
virtual void fetch(u8 voice, u8 cycle) = 0;
virtual void fetch(u8 cycle) = 0;
virtual void tick(u8 voice) = 0;
void irq_update(es550x_intf &intf, es550x_irq_t &irqv)

4
extern/vgsound_emu-modified/vgsound_emu/src/es550x/es550x_alu.cpp vendored
View File

@ -101,14 +101,14 @@ void es550x_shared_core::es550x_voice_t::es550x_alu_t::loop_exec()
s32 es550x_shared_core::es550x_voice_t::es550x_alu_t::interpolation()
{
// SF = S1 + ACCfr * (S2 - S1)
return m_sample[0] + ((bitfield<s32>(m_accum, m_fraction_m9, 9) *
return m_sample[0] + (((((int)m_accum>>(int)2)&(int)511) *
(m_sample[1] - m_sample[0])) >>
9);
}
u32 es550x_shared_core::es550x_voice_t::es550x_alu_t::get_accum_integer()
{
return bitfield(m_accum, m_fraction, m_integer);
return (m_accum>>m_fraction)&((1<<m_integer)-1);
}
void es550x_shared_core::es550x_voice_t::es550x_alu_t::irq_exec(es550x_intf &intf,

2
src/engine/platform/es5506.h
View File

@ -285,7 +285,7 @@ class DivPlatformES5506: public DivDispatch, public es550x_intf {
public:
virtual void e_pin(bool state) override; // E output
virtual void irqb(bool state) override; // IRQB output
virtual s16 read_sample(u8 voice, u8 bank, u32 address) override {
virtual s16 read_sample(u8 bank, u32 address) override {
if (sampleMem==NULL) return 0;
return sampleMem[((bank&3)<<21)|(address&0x1fffff)];
}