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audio: added SSG-EG to YM2612, plus some timing changes for SN76496+YM2612

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This commit is contained in:
kub 2020-01-08 00:49:13 +01:00
parent 2a942f0d41
commit 8ac9ab7fcb
13 changed files with 571 additions and 455 deletions
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29
pico/pico_cmn.c
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@ -88,7 +88,6 @@ static void do_timing_hacks_vb(void)
static int PicoFrameHints(void)
{
struct PicoVideo *pv = &Pico.video;
int line_sample = Pico.m.pal ? 68 : 93;
int vdp_slots = (Pico.video.reg[12] & 1) ? 18 : 16;
int lines, y, lines_vis, skip;
int vcnt_wrap, vcnt_adj;
@ -150,23 +149,6 @@ static int PicoFrameHints(void)
}
}
// get samples from sound chips
if ((y == 224 || y == line_sample) && PicoIn.sndOut)
{
cycles = SekCyclesDone();
if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoIn.opt&POPT_EN_Z80))
PicoSyncZ80(cycles);
#ifdef PICO_CD
if (PicoIn.AHW & PAHW_MCD)
pcd_sync_s68k(cycles, 0);
#endif
#ifdef PICO_32X
p32x_sync_sh2s(cycles);
#endif
PsndGetSamples(y);
}
// Run scanline:
Pico.t.m68c_line_start = Pico.t.m68c_aim;
do_timing_hacks_as(pv, vdp_slots);
@ -238,10 +220,6 @@ static int PicoFrameHints(void)
p32x_start_blank();
#endif
// get samples from sound chips
if (y == 224 && PicoIn.sndOut)
PsndGetSamples(y);
// Run scanline:
CPUS_RUN(CYCLES_M68K_LINE - CYCLES_M68K_VINT_LAG);
@ -298,7 +276,7 @@ static int PicoFrameHints(void)
pv->status |= ((pv->reg[1] >> 3) ^ SR_VB) & SR_VB; // forced blanking
// last scanline
Pico.m.scanline = y;
Pico.m.scanline = y++;
pv->v_counter = 0xff;
pv->lwrite_cnt = 0;
@ -337,6 +315,11 @@ static int PicoFrameHints(void)
#ifdef PICO_32X
p32x_sync_sh2s(cycles);
#endif
// get samples from sound chips
if (PicoIn.sndOut)
PsndGetSamples(y);
timers_cycle();
pv->hint_cnt = hint;