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32x: poll_detect tweaks, debug unification

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@800 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-10-02 13:39:46 +00:00
parent 1d7a28a723
commit 5fadfb1c37
4 changed files with 33 additions and 20 deletions
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4
pico/32x/32x.c
View file

@ -105,10 +105,6 @@ static void p32x_start_blank(void)
static __inline void run_m68k(int cyc)
{
if (Pico32x.emu_flags & P32XF_68KPOLL) {
SekCycleCnt += cyc;
return;
}
#if defined(EMU_C68K)
PicoCpuCM68k.cycles = cyc;
CycloneRun(&PicoCpuCM68k);

18
pico/32x/memory.c
View file

@ -158,9 +158,19 @@ static u32 p32x_reg_read16(u32 a)
if ((a & 0x30) == 0x20)
return sh2_comm_faker(a);
#else
if ((a & 0x30) == 0x20 && p32x_poll_detect(&m68k_poll, a, SekCyclesDoneT(), 0)) {
if ((a & 0x30) == 0x20) {
// evil X-Men proto polls in a dbra loop and expects it to expire..
static u32 dr2 = 0;
if (SekDar(2) != dr2)
m68k_poll.cnt = 0;
dr2 = SekDar(2);
if (p32x_poll_detect(&m68k_poll, a, SekCyclesDoneT(), 0)) {
SekSetStop(1);
SekEndTimeslice(16);
}
dr2 = SekDar(2);
}
#endif
if ((a & 0x30) == 0x30)
@ -406,7 +416,8 @@ static void p32x_sh2reg_write8(u32 a, u32 d, int cpuid)
if ((a & 0x30) == 0x20) {
u8 *r8 = (u8 *)Pico32x.regs;
r8[a ^ 1] = d;
p32x_poll_undetect(&m68k_poll, 0);
if (p32x_poll_undetect(&m68k_poll, 0))
SekSetStop(0);
p32x_poll_undetect(&sh2_poll[cpuid ^ 1], 0);
return;
}
@ -419,7 +430,8 @@ static void p32x_sh2reg_write16(u32 a, u32 d, int cpuid)
// comm
if ((a & 0x30) == 0x20 && Pico32x.regs[a/2] != d) {
Pico32x.regs[a / 2] = d;
p32x_poll_undetect(&m68k_poll, 0);
if (p32x_poll_undetect(&m68k_poll, 0))
SekSetStop(0);
p32x_poll_undetect(&sh2_poll[cpuid ^ 1], 0);
return;
}

20
pico/debug.c
View file

@ -38,19 +38,14 @@ char *PDebugMain(void)
!!(SRam.flags & SRF_ENABLED), !!(SRam.flags & SRF_EEPROM), SRam.eeprom_type); MVP;
sprintf(dstrp, "sram range: %06x-%06x, reg: %02x\n", SRam.start, SRam.end, Pico.m.sram_reg); MVP;
sprintf(dstrp, "pend int: v:%i, h:%i, vdp status: %04x\n", bit(pv->pending_ints,5), bit(pv->pending_ints,4), pv->status); MVP;
sprintf(dstrp, "pal: %i, hw: %02x, frame#: %i\n", Pico.m.pal, Pico.m.hardware, Pico.m.frame_count); MVP;
sprintf(dstrp, "pal: %i, hw: %02x, frame#: %i, cycles: %i\n", Pico.m.pal, Pico.m.hardware, Pico.m.frame_count, SekCyclesDoneT()); MVP;
sprintf(dstrp, "M68k: PC: %06x, SR: %04x, irql: %i\n", SekPc, SekSr, SekIrqLevel); MVP;
#if defined(EMU_C68K)
sprintf(dstrp, "M68k: PC: %06x, st_flg: %x, cycles: %u\n", SekPc, PicoCpuCM68k.state_flags, SekCyclesDoneT()); MVP;
sprintf(dstrp, "d0=%08x, a0=%08x, osp=%08x, irql=%i\n", PicoCpuCM68k.d[0], PicoCpuCM68k.a[0], PicoCpuCM68k.osp, PicoCpuCM68k.irq); MVP;
sprintf(dstrp, "d1=%08x, a1=%08x, sr=%04x\n", PicoCpuCM68k.d[1], PicoCpuCM68k.a[1], CycloneGetSr(&PicoCpuCM68k)); dstrp+=strlen(dstrp); MVP;
for(r=2; r < 8; r++) {
sprintf(dstrp, "d%i=%08x, a%i=%08x\n", r, PicoCpuCM68k.d[r], r, PicoCpuCM68k.a[r]); MVP;
}
#elif defined(EMU_M68K)
sprintf(dstrp, "M68k: PC: %06x, cycles: %u, irql: %i\n", SekPc, SekCyclesDoneT(), PicoCpuMM68k.int_level>>8); MVP;
#elif defined(EMU_F68K)
sprintf(dstrp, "M68k: PC: %06x, cycles: %u, irql: %i\n", SekPc, SekCyclesDoneT(), PicoCpuFM68k.interrupts[0]); MVP;
sprintf(dstrp - 1, ", st_flg: %x\n", PicoCpuCM68k.state_flags); MVP;
#endif
for (r = 0; r < 8; r++) {
sprintf(dstrp, "d%i=%08x, a%i=%08x\n", r, SekDar(r), r, SekDar(r+8)); MVP;
}
sprintf(dstrp, "z80Run: %i, z80_reset: %i, z80_bnk: %06x\n", Pico.m.z80Run, Pico.m.z80_reset, Pico.m.z80_bank68k<<15); MVP;
z80_debug(dstrp); MVP;
if (strlen(dstr) > sizeof(dstr))
@ -72,7 +67,8 @@ char *PDebug32x(void)
i*2, r[i+0], r[i+1], r[i+2], r[i+3], r[i+4], r[i+5], r[i+6], r[i+7]); MVP;
}
r = Pico32x.sh2_regs;
sprintf(dstrp, "SH: %04x %04x %04x IRQs: %02x\n", r[0], r[1], r[2], Pico32x.sh2irqs); MVP;
sprintf(dstrp, "SH: %04x %04x %04x IRQs: %02x eflags: %02x\n",
r[0], r[1], r[2], Pico32x.sh2irqs, Pico32x.emu_flags); MVP;
i = 0;
r = Pico32x.vdp_regs;

9
pico/pico_int.h
View file

@ -45,12 +45,15 @@ extern struct Cyclone PicoCpuCM68k, PicoCpuCS68k;
#define SekEndTimesliceS68k(after) PicoCpuCS68k.cycles=after
#define SekPc (PicoCpuCM68k.pc-PicoCpuCM68k.membase)
#define SekPcS68k (PicoCpuCS68k.pc-PicoCpuCS68k.membase)
#define SekDar(x) PicoCpuCM68k.d[x]
#define SekSr CycloneGetSr(&PicoCpuCM68k)
#define SekSetStop(x) { PicoCpuCM68k.state_flags&=~1; if (x) { PicoCpuCM68k.state_flags|=1; PicoCpuCM68k.cycles=0; } }
#define SekSetStopS68k(x) { PicoCpuCS68k.state_flags&=~1; if (x) { PicoCpuCS68k.state_flags|=1; PicoCpuCS68k.cycles=0; } }
#define SekIsStoppedS68k() (PicoCpuCS68k.state_flags&1)
#define SekShouldInterrupt (PicoCpuCM68k.irq > (PicoCpuCM68k.srh&7))
#define SekInterrupt(i) PicoCpuCM68k.irq=i
#define SekIrqLevel PicoCpuCM68k.irq
#ifdef EMU_M68K
#define EMU_CORE_DEBUG
@ -69,6 +72,8 @@ extern M68K_CONTEXT PicoCpuFM68k, PicoCpuFS68k;
#define SekEndTimesliceS68k(after) PicoCpuFS68k.io_cycle_counter=after
#define SekPc fm68k_get_pc(&PicoCpuFM68k)
#define SekPcS68k fm68k_get_pc(&PicoCpuFS68k)
#define SekDar(x) PicoCpuFM68k.dreg[x].D
#define SekSr PicoCpuFM68k.sr
#define SekSetStop(x) { \
PicoCpuFM68k.execinfo &= ~FM68K_HALTED; \
if (x) { PicoCpuFM68k.execinfo |= FM68K_HALTED; PicoCpuFM68k.io_cycle_counter = 0; } \
@ -81,6 +86,7 @@ extern M68K_CONTEXT PicoCpuFM68k, PicoCpuFS68k;
#define SekShouldInterrupt fm68k_would_interrupt()
#define SekInterrupt(irq) PicoCpuFM68k.interrupts[0]=irq
#define SekIrqLevel PicoCpuFM68k.interrupts[0]
#ifdef EMU_M68K
#define EMU_CORE_DEBUG
@ -100,6 +106,8 @@ extern m68ki_cpu_core PicoCpuMM68k, PicoCpuMS68k;
#define SekEndTimesliceS68k(after) PicoCpuMS68k.cyc_remaining_cycles=after
#define SekPc m68k_get_reg(&PicoCpuMM68k, M68K_REG_PC)
#define SekPcS68k m68k_get_reg(&PicoCpuMS68k, M68K_REG_PC)
#define SekDar(x) PicoCpuMM68k.dar[x]
#define SekSr m68k_get_reg(&PicoCpuMM68k, M68K_REG_SR)
#define SekSetStop(x) { \
if(x) { SET_CYCLES(0); PicoCpuMM68k.stopped=STOP_LEVEL_STOP; } \
else PicoCpuMM68k.stopped=0; \
@ -117,6 +125,7 @@ extern m68ki_cpu_core PicoCpuMM68k, PicoCpuMS68k;
m68k_set_irq(irq); \
m68k_set_context(oldcontext); \
}
#define SekIrqLevel (PicoCpuMM68k.int_level >> 8)
#endif
#endif // EMU_M68K