X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2F32x%2Fmemory.c;h=722698e7bcdf648589972c1f9335e3c33b6ed818;hb=87650acd75bc29d6b5a6dca6647545b043403d23;hp=5be4da45cf04f32c39acbb61dc0bab4840b341bb;hpb=895d15121be3762c7007a3afe24c5d78bbdc8be7;p=picodrive.git diff --git a/pico/32x/memory.c b/pico/32x/memory.c index 5be4da4..722698e 100644 --- a/pico/32x/memory.c +++ b/pico/32x/memory.c @@ -65,7 +65,7 @@ static int m68k_poll_detect(u32 a, u32 cycles, u32 flags) int ret = 0; if (a - 2 <= m68k_poll.addr && m68k_poll.addr <= a + 2 - && cycles - m68k_poll.cycles <= 64) + && cycles - m68k_poll.cycles <= 64 && !SekNotPolling) { if (m68k_poll.cnt++ > POLL_THRESHOLD) { if (!(Pico32x.emu_flags & flags)) { @@ -79,6 +79,7 @@ static int m68k_poll_detect(u32 a, u32 cycles, u32 flags) else { m68k_poll.cnt = 0; m68k_poll.addr = a; + SekNotPolling = 0; } m68k_poll.cycles = cycles; @@ -186,15 +187,9 @@ static u32 p32x_reg_read16(u32 a) return sh2_comm_faker(a); #else if ((a & 0x30) == 0x20) { - static u32 dr2 = 0; - unsigned int cycles = SekCyclesDoneT(); + unsigned int cycles = SekCyclesDone(); int comreg = 1 << (a & 0x0f) / 2; - // evil X-Men proto polls in a dbra loop and expects it to expire.. - if (SekDar(2) != dr2) - m68k_poll.cnt = 0; - dr2 = SekDar(2); - if (cycles - msh2.m68krcycles_done > 244 || (Pico32x.comm_dirty_68k & comreg)) p32x_sync_sh2s(cycles); @@ -205,20 +200,19 @@ static u32 p32x_reg_read16(u32 a) SekSetStop(1); SekEndRun(16); } - dr2 = SekDar(2); goto out; } #endif if (a == 2) { // INTM, INTS - unsigned int cycles = SekCyclesDoneT(); + unsigned int cycles = SekCyclesDone(); if (cycles - msh2.m68krcycles_done > 64) p32x_sync_sh2s(cycles); goto out; } if ((a & 0x30) == 0x30) - return p32x_pwm_read16(a, NULL, SekCyclesDoneT()); + return p32x_pwm_read16(a, NULL, SekCyclesDone()); out: return Pico32x.regs[a / 2]; @@ -241,7 +235,7 @@ static void dreq0_write(u16 *r, u32 d) r[6 / 2] &= ~P32XS_68S; if ((Pico32x.dmac0_fifo_ptr & 3) == 0) { - p32x_sync_sh2s(SekCyclesDoneT()); + p32x_sync_sh2s(SekCyclesDone()); p32x_dreq0_trigger(); } } @@ -272,7 +266,7 @@ static void p32x_reg_write8(u32 a, u32 d) return; case 0x03: // irq ctl if ((d ^ r[0x02 / 2]) & 3) { - int cycles = SekCyclesDoneT(); + int cycles = SekCyclesDone(); p32x_sync_sh2s(cycles); r[0x02 / 2] = d & 3; p32x_update_cmd_irq(NULL, cycles); @@ -383,12 +377,12 @@ static void p32x_reg_write8(u32 a, u32 d) case 0x3f: return; pwm_write: - p32x_pwm_write16(a & ~1, d, NULL, SekCyclesDoneT()); + p32x_pwm_write16(a & ~1, d, NULL, SekCyclesDone()); return; } if ((a & 0x30) == 0x20) { - int cycles = SekCyclesDoneT(); + int cycles = SekCyclesDone(); int comreg; if (REG8IN16(r, a) == d) @@ -448,13 +442,13 @@ static void p32x_reg_write16(u32 a, u32 d) case 0x30: // PWM control d = (r[a / 2] & ~0x0f) | (d & 0x0f); r[a / 2] = d; - p32x_pwm_write16(a, d, NULL, SekCyclesDoneT()); + p32x_pwm_write16(a, d, NULL, SekCyclesDone()); return; } // comm port if ((a & 0x30) == 0x20) { - int cycles = SekCyclesDoneT(); + int cycles = SekCyclesDone(); int comreg; if (r[a / 2] == d) @@ -475,7 +469,7 @@ static void p32x_reg_write16(u32 a, u32 d) } // PWM else if ((a & 0x30) == 0x30) { - p32x_pwm_write16(a, d, NULL, SekCyclesDoneT()); + p32x_pwm_write16(a, d, NULL, SekCyclesDone()); return; }