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K007232: acquireDirect()

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This commit is contained in:
tildearrow 2025-03-09 18:20:44 -05:00
parent 804e8b7fb8
commit 85981822fa
4 changed files with 66 additions and 44 deletions
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12
extern/vgsound_emu-modified/vgsound_emu/src/k007232/k007232.cpp vendored
View file

@ -8,15 +8,15 @@
#include "k007232.hpp"
void k007232_core::tick()
void k007232_core::tick(int cycles)
{
for (int i = 0; i < 2; i++)
{
m_voice[i].tick(i);
m_voice[i].tick(i,cycles);
}
}
void k007232_core::voice_t::tick(u8 ne)
void k007232_core::voice_t::tick(u8 ne, int cycles)
{
if (m_busy)
{
@ -26,12 +26,12 @@ void k007232_core::voice_t::tick(u8 ne)
// update counter
if (is4bit)
{
m_counter = (m_counter & ~0x0ff) | (bitfield(bitfield(m_counter, 0, 8) + 1, 0, 8) << 0);
m_counter = (m_counter & ~0xf00) | (bitfield(bitfield(m_counter, 8, 4) + 1, 0, 4) << 8);
m_counter = (m_counter & ~0x0ff) | (bitfield(bitfield(m_counter, 0, 8) + cycles, 0, 8) << 0);
m_counter = (m_counter & ~0xf00) | (bitfield(bitfield(m_counter, 8, 4) + cycles, 0, 4) << 8);
}
else
{
m_counter++;
m_counter+=cycles;
}
// handle counter carry

8
extern/vgsound_emu-modified/vgsound_emu/src/k007232/k007232.hpp vendored
View file

@ -55,7 +55,7 @@ class k007232_core : public vgsound_emu_core
// internal state
void reset();
void tick(u8 ne);
void tick(u8 ne, int cycles);
// accessors
void write(u8 address, u8 data);
@ -67,7 +67,7 @@ class k007232_core : public vgsound_emu_core
// getters
inline s8 out() { return m_out; }
private:
public:
// registers
k007232_core &m_host;
bool m_busy = false; // busy status
@ -98,7 +98,7 @@ class k007232_core : public vgsound_emu_core
// internal state
void reset();
void tick();
void tick(int cycles);
// output for each voices, ASD/BSD pin
inline s32 output(u8 voice) { return m_voice[voice & 1].out(); }
@ -106,7 +106,7 @@ class k007232_core : public vgsound_emu_core
// getters for debug, trackers, etc
inline u8 reg_r(u8 address) { return m_reg[address & 0xf]; }
private:
public:
std::array<voice_t, 2> m_voice;
k007232_intf &m_intf; // common memory interface