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32x, minor poll detection fix

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This commit is contained in:
kub 2022-10-14 18:46:49 +00:00
parent b074a2b5b6
commit c9d5f41b0a
2 changed files with 15 additions and 13 deletions
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17
pico/pico_cmn.c
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@ -162,9 +162,6 @@ static int PicoFrameHints(void)
SyncCPUs(Pico.t.m68c_aim);
// === VBLANK, 1st line ===
pv->status &= ~PVS_ACTIVE;
if (!skip)
{
if (Pico.est.DrawScanline < y)
@ -177,6 +174,9 @@ static int PicoFrameHints(void)
p32x_render_frame();
#endif
// === VBLANK, 1st line ===
pv->status &= ~PVS_ACTIVE;
memcpy(PicoIn.padInt, PicoIn.pad, sizeof(PicoIn.padInt));
PAD_DELAY();
@ -188,6 +188,9 @@ static int PicoFrameHints(void)
}
pv->status |= SR_VB | PVS_VB2; // go into vblank
#ifdef PICO_32X
p32x_start_blank();
#endif
// the following SekRun is there for several reasons:
// there must be a delay after vblank bit is set and irq is asserted (Mazin Saga)
@ -198,8 +201,11 @@ static int PicoFrameHints(void)
do_timing_hacks_start(pv);
CPUS_RUN(CYCLES_M68K_VINT_LAG);
SyncCPUs(Pico.t.m68c_aim);
pv->status |= SR_F;
pv->pending_ints |= 0x20;
if (pv->reg[1] & 0x20) {
if (Pico.t.m68c_cnt - Pico.t.m68c_aim < 60) // CPU blocked?
SekExecM68k(11); // HACK
@ -208,15 +214,10 @@ static int PicoFrameHints(void)
}
if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoIn.opt&POPT_EN_Z80)) {
PicoSyncZ80(Pico.t.m68c_aim);
elprintf(EL_INTS, "zint");
z80_int();
}
#ifdef PICO_32X
p32x_start_blank();
#endif
// Run scanline:
CPUS_RUN(CYCLES_M68K_LINE - CYCLES_M68K_VINT_LAG);
do_timing_hacks_end(pv);