X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=pico%2F32x%2F32x.c;h=a452f83d7d28ec640071e9c644b714d9d5441caa;hb=cff531af94bd9c9c89ae162e80f48ddc26a4e504;hp=f9ac533da13cc50ffb1c997758eded5cf2b7eb1f;hpb=5aec752dacff131607d2986ce25762c91c079a23;p=picodrive.git diff --git a/pico/32x/32x.c b/pico/32x/32x.c index f9ac533..a452f83 100644 --- a/pico/32x/32x.c +++ b/pico/32x/32x.c @@ -1,3 +1,10 @@ +/* + * PicoDrive + * (C) notaz, 2009,2010 + * + * This work is licensed under the terms of MAME license. + * See COPYING file in the top-level directory. + */ #include "../pico_int.h" #include "../sound/ym2612.h" @@ -19,7 +26,7 @@ static int REGPARM(2) sh2_irq_cb(SH2 *sh2, int level) } } -void p32x_update_irls(void) +void p32x_update_irls(int nested_call) { int irqs, mlvl = 0, slvl = 0; @@ -36,8 +43,8 @@ void p32x_update_irls(void) slvl *= 2; elprintf(EL_32X, "update_irls: m %d, s %d", mlvl, slvl); - sh2_irl_irq(&msh2, mlvl); - sh2_irl_irq(&ssh2, slvl); + sh2_irl_irq(&msh2, mlvl, nested_call); + sh2_irl_irq(&ssh2, slvl, nested_call); mlvl = mlvl ? 1 : 0; slvl = slvl ? 1 : 0; p32x_poll_event(mlvl | (slvl << 1), 0); @@ -141,7 +148,7 @@ void PicoReset32x(void) { if (PicoAHW & PAHW_32X) { Pico32x.sh2irqs |= P32XI_VRES; - p32x_update_irls(); + p32x_update_irls(0); p32x_poll_event(3, 0); } } @@ -186,7 +193,7 @@ static void p32x_start_blank(void) } Pico32x.sh2irqs |= P32XI_VINT; - p32x_update_irls(); + p32x_update_irls(0); p32x_poll_event(3, 1); } @@ -194,6 +201,7 @@ static __inline void run_m68k(int cyc) { pprof_start(m68k); +p32x_poll_event(3, 0); #if defined(EMU_C68K) PicoCpuCM68k.cycles = cyc; CycloneRun(&PicoCpuCM68k); @@ -210,7 +218,8 @@ static __inline void run_m68k(int cyc) // ~1463.8, but due to cache misses and slow mem // it's much lower than that //#define SH2_LINE_CYCLES 735 -#define CYCLES_M68K2SH2(x) ((x) * 6 / 4) +#define CYCLES_M68K2MSH2(x) (((x) * p32x_msh2_multiplier) >> 10) +#define CYCLES_M68K2SSH2(x) (((x) * p32x_ssh2_multiplier) >> 10) #define PICO_32X #define CPUS_RUN_SIMPLE(m68k_cycles,s68k_cycles) \ @@ -227,12 +236,12 @@ static __inline void run_m68k(int cyc) elprintf(EL_32X, "slice %d", slice); \ if (!(Pico32x.emu_flags & (P32XF_SSH2POLL|P32XF_SSH2VPOLL))) { \ pprof_start(ssh2); \ - sh2_execute(&ssh2, CYCLES_M68K2SH2(slice)); \ + sh2_execute(&ssh2, CYCLES_M68K2SSH2(slice)); \ pprof_end(ssh2); \ } \ if (!(Pico32x.emu_flags & (P32XF_MSH2POLL|P32XF_MSH2VPOLL))) { \ pprof_start(msh2); \ - sh2_execute(&msh2, CYCLES_M68K2SH2(slice)); \ + sh2_execute(&msh2, CYCLES_M68K2MSH2(slice)); \ pprof_end(msh2); \ } \ pprof_start(dummy); \