RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

fixes for idle and other stuff

Browse source
This commit is contained in:
notaz 2013-08-16 00:46:25 +03:00
parent 8ad1d2adf2
commit 0219d379de
6 changed files with 26 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Makefile
View file

@ -7,7 +7,7 @@ endif
#CFLAGS += -DEVT_LOG
#CFLAGS += -DDRC_CMP
#cpu_cmp = 1
#drc_debug = 3
#drc_debug = 7
#profile = 1

2
cpu/cyclone

@ -1 +1 @@
Subproject commit 1f9661c5a2919ba91c0f4b89985e0712871e5762
Subproject commit 7ddcd35c8b2a8248257bd89ef989095639c29c08

6
cpu/fame/famec_opcodes.h
View file

@ -40012,20 +40012,18 @@ RET(8)
}
extern int SekIsIdleReady(void);
extern int SekIsIdleCode(unsigned short *dst, int bytes);
extern int SekRegisterIdlePatch(unsigned int pc, int oldop, int newop, void *ctx);
OPCODE(idle_detector_bcc8)
{
extern int idledet_start_frame;
extern char Pico[];
int frame_count, cond_true, bytes, ret, newop;
u16 *dest_pc;
dest_pc = PC + (((s8)(Opcode & 0xFE)) >> 1);
frame_count = *(int *)(Pico+0x22208+0x1c); // Pico.m.frame_count
if (frame_count < idledet_start_frame)
if (!SekIsIdleReady())
goto end;
bytes = 0 - (s8)(Opcode & 0xFE) - 2;

1
cpu/sh2/compiler.c
View file

@ -3126,6 +3126,7 @@ int sh2_execute(SH2 *sh2c, int cycles)
if (ret_cycles > 0)
dbg(1, "warning: drc returned with cycles: %d", ret_cycles);
sh2c->sr &= 0x3f3;
return sh2c->cycles_timeslice - ret_cycles;
}

2
pico/pico_int.h
View file

@ -353,7 +353,7 @@ struct Pico
unsigned short vsram[0x40]; // 0x22180
unsigned char *rom; // 0x22200
unsigned int romsize; // 0x22204
unsigned int romsize; // 0x22204 (on 32bits)
struct PicoMisc m;
struct PicoVideo video;

23
pico/sek.c
View file

@ -268,7 +268,7 @@ PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub)
static unsigned short **idledet_ptrs = NULL;
static int idledet_count = 0, idledet_bads = 0;
int idledet_start_frame = 0;
static int idledet_start_frame = 0;
#if 0
#define IDLE_STATS 1
@ -312,6 +312,11 @@ void SekInitIdleDet(void)
#endif
}
int SekIsIdleReady(void)
{
return (Pico.m.frame_count >= idledet_start_frame);
}
int SekIsIdleCode(unsigned short *dst, int bytes)
{
// printf("SekIsIdleCode %04x %i\n", *dst, bytes);
@ -322,12 +327,17 @@ int SekIsIdleCode(unsigned short *dst, int bytes)
return 1;
break;
case 4:
if ( (*dst & 0xfff8) == 0x4a10 || // tst.b ($aX) // there should be no need to wait
(*dst & 0xfff8) == 0x4a28 || // tst.b ($xxxx,a0) // for byte change anywhere
(*dst & 0xff3f) == 0x4a38 || // tst.x ($xxxx.w); tas ($xxxx.w)
if ( (*dst & 0xff3f) == 0x4a38 || // tst.x ($xxxx.w); tas ($xxxx.w)
(*dst & 0xc1ff) == 0x0038 || // move.x ($xxxx.w), dX
(*dst & 0xf13f) == 0xb038) // cmp.x ($xxxx.w), dX
return 1;
if (PicoAHW & (PAHW_MCD|PAHW_32X))
break;
// with no addons, there should be no need to wait
// for byte change anywhere
if ( (*dst & 0xfff8) == 0x4a10 || // tst.b ($aX)
(*dst & 0xfff8) == 0x4a28) // tst.b ($xxxx,a0)
return 1;
break;
case 6:
if ( ((dst[1] & 0xe0) == 0xe0 && ( // RAM and
@ -348,7 +358,9 @@ int SekIsIdleCode(unsigned short *dst, int bytes)
return 1;
break;
case 12:
if ((*dst & 0xf1f8) == 0x3010 && // move.w (aX), dX
if (PicoAHW & (PAHW_MCD|PAHW_32X))
break;
if ( (*dst & 0xf1f8) == 0x3010 && // move.w (aX), dX
(dst[1]&0xf100) == 0x0000 && // arithmetic
(dst[3]&0xf100) == 0x0000) // arithmetic
return 1;
@ -372,6 +384,7 @@ int SekRegisterIdlePatch(unsigned int pc, int oldop, int newop, void *ctx)
is_main68k = ctx == &PicoCpuFM68k;
#endif
pc &= ~0xff000000;
if (!(newop&0x200))
elprintf(EL_IDLE, "idle: patch %06x %04x %04x %c %c #%i", pc, oldop, newop,
(newop&0x200)?'n':'y', is_main68k?'m':'s', idledet_count);