590 lines
15 KiB
C
590 lines
15 KiB
C
/*
|
|
* PicoDrive
|
|
* (c) Copyright Dave, 2004
|
|
* (C) notaz, 2006-2009
|
|
*
|
|
* This work is licensed under the terms of MAME license.
|
|
* See COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#include "pico_int.h"
|
|
#include "memory.h"
|
|
|
|
|
|
unsigned int SekCycleCnt;
|
|
unsigned int SekCycleAim;
|
|
|
|
|
|
/* context */
|
|
// Cyclone 68000
|
|
#ifdef EMU_C68K
|
|
struct Cyclone PicoCpuCM68k;
|
|
#endif
|
|
// MUSASHI 68000
|
|
#ifdef EMU_M68K
|
|
m68ki_cpu_core PicoCpuMM68k;
|
|
#endif
|
|
// FAME 68000
|
|
#ifdef EMU_F68K
|
|
M68K_CONTEXT PicoCpuFM68k;
|
|
#endif
|
|
|
|
|
|
/* callbacks */
|
|
#ifdef EMU_C68K
|
|
// interrupt acknowledgment
|
|
static int SekIntAck(int level)
|
|
{
|
|
// try to emulate VDP's reaction to 68000 int ack
|
|
if (level == 4) { Pico.video.pending_ints = 0; elprintf(EL_INTS, "hack: @ %06x [%i]", SekPc, SekCycleCnt); }
|
|
else if(level == 6) { Pico.video.pending_ints &= ~0x20; elprintf(EL_INTS, "vack: @ %06x [%i]", SekPc, SekCycleCnt); }
|
|
PicoCpuCM68k.irq = 0;
|
|
return CYCLONE_INT_ACK_AUTOVECTOR;
|
|
}
|
|
|
|
static void SekResetAck(void)
|
|
{
|
|
elprintf(EL_ANOMALY, "Reset encountered @ %06x", SekPc);
|
|
}
|
|
|
|
static int SekUnrecognizedOpcode()
|
|
{
|
|
unsigned int pc;
|
|
pc = SekPc;
|
|
elprintf(EL_ANOMALY, "Unrecognized Opcode @ %06x", pc);
|
|
// see if we are still in a mapped region
|
|
pc &= 0x00ffffff;
|
|
if (map_flag_set(m68k_read16_map[pc >> M68K_MEM_SHIFT])) {
|
|
elprintf(EL_STATUS|EL_ANOMALY, "m68k crash @%06x", pc);
|
|
PicoCpuCM68k.cycles = 0;
|
|
PicoCpuCM68k.state_flags |= 1;
|
|
return 1;
|
|
}
|
|
#ifdef EMU_M68K // debugging cyclone
|
|
{
|
|
extern int have_illegal;
|
|
have_illegal = 1;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef EMU_M68K
|
|
static int SekIntAckM68K(int level)
|
|
{
|
|
if (level == 4) { Pico.video.pending_ints = 0; elprintf(EL_INTS, "hack: @ %06x [%i]", SekPc, SekCycleCnt); }
|
|
else if(level == 6) { Pico.video.pending_ints &= ~0x20; elprintf(EL_INTS, "vack: @ %06x [%i]", SekPc, SekCycleCnt); }
|
|
CPU_INT_LEVEL = 0;
|
|
return M68K_INT_ACK_AUTOVECTOR;
|
|
}
|
|
|
|
static int SekTasCallback(void)
|
|
{
|
|
return 0; // no writeback
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef EMU_F68K
|
|
static void SekIntAckF68K(unsigned level)
|
|
{
|
|
if (level == 4) {
|
|
Pico.video.pending_ints = 0;
|
|
elprintf(EL_INTS, "hack: @ %06x [%i]", SekPc, SekCyclesDone());
|
|
}
|
|
else if(level == 6) {
|
|
Pico.video.pending_ints &= ~0x20;
|
|
elprintf(EL_INTS, "vack: @ %06x [%i]", SekPc, SekCyclesDone());
|
|
}
|
|
PicoCpuFM68k.interrupts[0] = 0;
|
|
}
|
|
#endif
|
|
|
|
|
|
PICO_INTERNAL void SekInit(void)
|
|
{
|
|
#ifdef EMU_C68K
|
|
CycloneInit();
|
|
memset(&PicoCpuCM68k,0,sizeof(PicoCpuCM68k));
|
|
PicoCpuCM68k.IrqCallback=SekIntAck;
|
|
PicoCpuCM68k.ResetCallback=SekResetAck;
|
|
PicoCpuCM68k.UnrecognizedCallback=SekUnrecognizedOpcode;
|
|
PicoCpuCM68k.flags=4; // Z set
|
|
#endif
|
|
#ifdef EMU_M68K
|
|
{
|
|
void *oldcontext = m68ki_cpu_p;
|
|
m68k_set_context(&PicoCpuMM68k);
|
|
m68k_set_cpu_type(M68K_CPU_TYPE_68000);
|
|
m68k_init();
|
|
m68k_set_int_ack_callback(SekIntAckM68K);
|
|
m68k_set_tas_instr_callback(SekTasCallback);
|
|
//m68k_pulse_reset();
|
|
m68k_set_context(oldcontext);
|
|
}
|
|
#endif
|
|
#ifdef EMU_F68K
|
|
{
|
|
void *oldcontext = g_m68kcontext;
|
|
g_m68kcontext = &PicoCpuFM68k;
|
|
memset(&PicoCpuFM68k, 0, sizeof(PicoCpuFM68k));
|
|
fm68k_init();
|
|
PicoCpuFM68k.iack_handler = SekIntAckF68K;
|
|
PicoCpuFM68k.sr = 0x2704; // Z flag
|
|
g_m68kcontext = oldcontext;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
// Reset the 68000:
|
|
PICO_INTERNAL int SekReset(void)
|
|
{
|
|
if (Pico.rom==NULL) return 1;
|
|
|
|
#ifdef EMU_C68K
|
|
CycloneReset(&PicoCpuCM68k);
|
|
#endif
|
|
#ifdef EMU_M68K
|
|
m68k_set_context(&PicoCpuMM68k); // if we ever reset m68k, we always need it's context to be set
|
|
m68ki_cpu.sp[0]=0;
|
|
m68k_set_irq(0);
|
|
m68k_pulse_reset();
|
|
REG_USP = 0; // ?
|
|
#endif
|
|
#ifdef EMU_F68K
|
|
{
|
|
g_m68kcontext = &PicoCpuFM68k;
|
|
fm68k_reset();
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
void SekStepM68k(void)
|
|
{
|
|
SekCycleAim=SekCycleCnt+1;
|
|
#if defined(EMU_CORE_DEBUG)
|
|
SekCycleCnt+=CM_compareRun(1, 0);
|
|
#elif defined(EMU_C68K)
|
|
PicoCpuCM68k.cycles=1;
|
|
CycloneRun(&PicoCpuCM68k);
|
|
SekCycleCnt+=1-PicoCpuCM68k.cycles;
|
|
#elif defined(EMU_M68K)
|
|
SekCycleCnt+=m68k_execute(1);
|
|
#elif defined(EMU_F68K)
|
|
SekCycleCnt+=fm68k_emulate(1, 0);
|
|
#endif
|
|
}
|
|
|
|
PICO_INTERNAL void SekSetRealTAS(int use_real)
|
|
{
|
|
#ifdef EMU_C68K
|
|
CycloneSetRealTAS(use_real);
|
|
#endif
|
|
#ifdef EMU_F68K
|
|
// TODO
|
|
#endif
|
|
}
|
|
|
|
// Pack the cpu into a common format:
|
|
// XXX: rename
|
|
PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub)
|
|
{
|
|
unsigned int pc=0;
|
|
|
|
#if defined(EMU_C68K)
|
|
struct Cyclone *context = is_sub ? &PicoCpuCS68k : &PicoCpuCM68k;
|
|
memcpy(cpu,context->d,0x40);
|
|
pc=context->pc-context->membase;
|
|
*(unsigned int *)(cpu+0x44)=CycloneGetSr(context);
|
|
*(unsigned int *)(cpu+0x48)=context->osp;
|
|
cpu[0x4c] = context->irq;
|
|
cpu[0x4d] = context->state_flags & 1;
|
|
#elif defined(EMU_M68K)
|
|
void *oldcontext = m68ki_cpu_p;
|
|
m68k_set_context(is_sub ? &PicoCpuMS68k : &PicoCpuMM68k);
|
|
memcpy(cpu,m68ki_cpu_p->dar,0x40);
|
|
pc=m68ki_cpu_p->pc;
|
|
*(unsigned int *)(cpu+0x44)=m68k_get_reg(NULL, M68K_REG_SR);
|
|
*(unsigned int *)(cpu+0x48)=m68ki_cpu_p->sp[m68ki_cpu_p->s_flag^SFLAG_SET];
|
|
cpu[0x4c] = CPU_INT_LEVEL>>8;
|
|
cpu[0x4d] = CPU_STOPPED;
|
|
m68k_set_context(oldcontext);
|
|
#elif defined(EMU_F68K)
|
|
M68K_CONTEXT *context = is_sub ? &PicoCpuFS68k : &PicoCpuFM68k;
|
|
memcpy(cpu,context->dreg,0x40);
|
|
pc=context->pc;
|
|
*(unsigned int *)(cpu+0x44)=context->sr;
|
|
*(unsigned int *)(cpu+0x48)=context->asp;
|
|
cpu[0x4c] = context->interrupts[0];
|
|
cpu[0x4d] = (context->execinfo & FM68K_HALTED) ? 1 : 0;
|
|
#endif
|
|
|
|
*(unsigned int *)(cpu+0x40) = pc;
|
|
*(unsigned int *)(cpu+0x50) =
|
|
is_sub ? SekCycleCntS68k : SekCycleCnt;
|
|
}
|
|
|
|
PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub)
|
|
{
|
|
#if defined(EMU_C68K)
|
|
struct Cyclone *context = is_sub ? &PicoCpuCS68k : &PicoCpuCM68k;
|
|
CycloneSetSr(context, *(unsigned int *)(cpu+0x44));
|
|
context->osp=*(unsigned int *)(cpu+0x48);
|
|
memcpy(context->d,cpu,0x40);
|
|
context->membase = 0;
|
|
context->pc = *(unsigned int *)(cpu+0x40);
|
|
CycloneUnpack(context, NULL); // rebase PC
|
|
context->irq = cpu[0x4c];
|
|
context->state_flags = 0;
|
|
if (cpu[0x4d])
|
|
context->state_flags |= 1;
|
|
#elif defined(EMU_M68K)
|
|
void *oldcontext = m68ki_cpu_p;
|
|
m68k_set_context(is_sub ? &PicoCpuMS68k : &PicoCpuMM68k);
|
|
m68k_set_reg(M68K_REG_SR, *(unsigned int *)(cpu+0x44));
|
|
memcpy(m68ki_cpu_p->dar,cpu,0x40);
|
|
m68ki_cpu_p->pc=*(unsigned int *)(cpu+0x40);
|
|
m68ki_cpu_p->sp[m68ki_cpu_p->s_flag^SFLAG_SET]=*(unsigned int *)(cpu+0x48);
|
|
CPU_INT_LEVEL = cpu[0x4c] << 8;
|
|
CPU_STOPPED = cpu[0x4d];
|
|
m68k_set_context(oldcontext);
|
|
#elif defined(EMU_F68K)
|
|
M68K_CONTEXT *context = is_sub ? &PicoCpuFS68k : &PicoCpuFM68k;
|
|
memcpy(context->dreg,cpu,0x40);
|
|
context->pc =*(unsigned int *)(cpu+0x40);
|
|
context->sr =*(unsigned int *)(cpu+0x44);
|
|
context->asp=*(unsigned int *)(cpu+0x48);
|
|
context->interrupts[0] = cpu[0x4c];
|
|
context->execinfo &= ~FM68K_HALTED;
|
|
if (cpu[0x4d]&1) context->execinfo |= FM68K_HALTED;
|
|
#endif
|
|
if (is_sub)
|
|
SekCycleCntS68k = *(unsigned int *)(cpu+0x50);
|
|
else
|
|
SekCycleCnt = *(unsigned int *)(cpu+0x50);
|
|
}
|
|
|
|
|
|
/* idle loop detection, not to be used in CD mode */
|
|
#ifdef EMU_C68K
|
|
#include "cpu/cyclone/tools/idle.h"
|
|
#endif
|
|
|
|
static unsigned short **idledet_ptrs = NULL;
|
|
static int idledet_count = 0, idledet_bads = 0;
|
|
static int idledet_start_frame = 0;
|
|
|
|
#if 0
|
|
#define IDLE_STATS 1
|
|
unsigned int idlehit_addrs[128], idlehit_counts[128];
|
|
|
|
void SekRegisterIdleHit(unsigned int pc)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 127 && idlehit_addrs[i]; i++) {
|
|
if (idlehit_addrs[i] == pc) {
|
|
idlehit_counts[i]++;
|
|
return;
|
|
}
|
|
}
|
|
idlehit_addrs[i] = pc;
|
|
idlehit_counts[i] = 1;
|
|
idlehit_addrs[i+1] = 0;
|
|
}
|
|
#endif
|
|
|
|
void SekInitIdleDet(void)
|
|
{
|
|
unsigned short **tmp = realloc(idledet_ptrs, 0x200*4);
|
|
if (tmp == NULL) {
|
|
free(idledet_ptrs);
|
|
idledet_ptrs = NULL;
|
|
}
|
|
else
|
|
idledet_ptrs = tmp;
|
|
idledet_count = idledet_bads = 0;
|
|
idledet_start_frame = Pico.m.frame_count + 360;
|
|
#ifdef IDLE_STATS
|
|
idlehit_addrs[0] = 0;
|
|
#endif
|
|
|
|
#ifdef EMU_C68K
|
|
CycloneInitIdle();
|
|
#endif
|
|
#ifdef EMU_F68K
|
|
fm68k_emulate(0, 1);
|
|
#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);
|
|
switch (bytes)
|
|
{
|
|
case 2:
|
|
if ((*dst & 0xf000) != 0x6000) // not another branch
|
|
return 1;
|
|
break;
|
|
case 4:
|
|
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
|
|
*dst == 0x4a39 || // tst.b ($xxxxxxxx)
|
|
*dst == 0x4a79 || // tst.w ($xxxxxxxx)
|
|
*dst == 0x4ab9 || // tst.l ($xxxxxxxx)
|
|
(*dst & 0xc1ff) == 0x0039 || // move.x ($xxxxxxxx), dX
|
|
(*dst & 0xf13f) == 0xb039))||// cmp.x ($xxxxxxxx), dX
|
|
*dst == 0x0838 || // btst $X, ($xxxx.w) [6 byte op]
|
|
(*dst & 0xffbf) == 0x0c38) // cmpi.{b,w} $X, ($xxxx.w)
|
|
return 1;
|
|
break;
|
|
case 8:
|
|
if ( ((dst[2] & 0xe0) == 0xe0 && ( // RAM and
|
|
*dst == 0x0839 || // btst $X, ($xxxxxxxx.w) [8 byte op]
|
|
(*dst & 0xffbf) == 0x0c39))||// cmpi.{b,w} $X, ($xxxxxxxx)
|
|
*dst == 0x0cb8) // cmpi.l $X, ($xxxx.w)
|
|
return 1;
|
|
break;
|
|
case 12:
|
|
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;
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int SekRegisterIdlePatch(unsigned int pc, int oldop, int newop, void *ctx)
|
|
{
|
|
int is_main68k = 1;
|
|
u16 *target;
|
|
uptr v;
|
|
|
|
#if defined(EMU_C68K)
|
|
struct Cyclone *cyc = ctx;
|
|
is_main68k = cyc == &PicoCpuCM68k;
|
|
pc -= cyc->membase;
|
|
#elif defined(EMU_F68K)
|
|
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);
|
|
|
|
// XXX: probably shouldn't patch RAM too
|
|
v = m68k_read16_map[pc >> M68K_MEM_SHIFT];
|
|
if (!(v & 0x80000000))
|
|
target = (u16 *)((v << 1) + pc);
|
|
else {
|
|
if (++idledet_bads > 128)
|
|
return 2; // remove detector
|
|
return 1; // don't patch
|
|
}
|
|
|
|
if (idledet_count >= 0x200 && (idledet_count & 0x1ff) == 0) {
|
|
unsigned short **tmp = realloc(idledet_ptrs, (idledet_count+0x200)*4);
|
|
if (tmp == NULL)
|
|
return 1;
|
|
idledet_ptrs = tmp;
|
|
}
|
|
|
|
idledet_ptrs[idledet_count++] = target;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void SekFinishIdleDet(void)
|
|
{
|
|
#ifdef EMU_C68K
|
|
CycloneFinishIdle();
|
|
#endif
|
|
#ifdef EMU_F68K
|
|
fm68k_emulate(0, 2);
|
|
#endif
|
|
while (idledet_count > 0)
|
|
{
|
|
unsigned short *op = idledet_ptrs[--idledet_count];
|
|
if ((*op & 0xfd00) == 0x7100)
|
|
*op &= 0xff, *op |= 0x6600;
|
|
else if ((*op & 0xfd00) == 0x7500)
|
|
*op &= 0xff, *op |= 0x6700;
|
|
else if ((*op & 0xfd00) == 0x7d00)
|
|
*op &= 0xff, *op |= 0x6000;
|
|
else
|
|
elprintf(EL_STATUS|EL_IDLE, "idle: don't know how to restore %04x", *op);
|
|
}
|
|
}
|
|
|
|
|
|
#if defined(CPU_CMP_R) || defined(CPU_CMP_W)
|
|
#include "debug.h"
|
|
|
|
struct ref_68k {
|
|
u32 dar[16];
|
|
u32 pc;
|
|
u32 sr;
|
|
u32 cycles;
|
|
u32 pc_prev;
|
|
};
|
|
struct ref_68k ref_68ks[2];
|
|
static int current_68k;
|
|
|
|
void SekTrace(int is_s68k)
|
|
{
|
|
struct ref_68k *x68k = &ref_68ks[is_s68k];
|
|
u32 pc = is_s68k ? SekPcS68k : SekPc;
|
|
u32 sr = is_s68k ? SekSrS68k : SekSr;
|
|
u32 cycles = is_s68k ? SekCycleCntS68k : SekCycleCnt;
|
|
u32 r;
|
|
u8 cmd;
|
|
#ifdef CPU_CMP_W
|
|
int i;
|
|
|
|
if (is_s68k != current_68k) {
|
|
current_68k = is_s68k;
|
|
cmd = CTL_68K_SLAVE | current_68k;
|
|
tl_write(&cmd, sizeof(cmd));
|
|
}
|
|
if (pc != x68k->pc) {
|
|
x68k->pc = pc;
|
|
tl_write_uint(CTL_68K_PC, x68k->pc);
|
|
}
|
|
if (sr != x68k->sr) {
|
|
x68k->sr = sr;
|
|
tl_write_uint(CTL_68K_SR, x68k->sr);
|
|
}
|
|
for (i = 0; i < 16; i++) {
|
|
r = is_s68k ? SekDarS68k(i) : SekDar(i);
|
|
if (r != x68k->dar[i]) {
|
|
x68k->dar[i] = r;
|
|
tl_write_uint(CTL_68K_R + i, r);
|
|
}
|
|
}
|
|
tl_write_uint(CTL_68K_CYCLES, cycles);
|
|
#else
|
|
int i, bad = 0;
|
|
|
|
while (1)
|
|
{
|
|
int ret = tl_read(&cmd, sizeof(cmd));
|
|
if (ret == 0) {
|
|
elprintf(EL_STATUS, "EOF");
|
|
exit(1);
|
|
}
|
|
switch (cmd) {
|
|
case CTL_68K_SLAVE:
|
|
case CTL_68K_SLAVE + 1:
|
|
current_68k = cmd & 1;
|
|
break;
|
|
case CTL_68K_PC:
|
|
tl_read_uint(&x68k->pc);
|
|
break;
|
|
case CTL_68K_SR:
|
|
tl_read_uint(&x68k->sr);
|
|
break;
|
|
case CTL_68K_CYCLES:
|
|
tl_read_uint(&x68k->cycles);
|
|
goto breakloop;
|
|
default:
|
|
if (CTL_68K_R <= cmd && cmd < CTL_68K_R + 0x10)
|
|
tl_read_uint(&x68k->dar[cmd - CTL_68K_R]);
|
|
else
|
|
elprintf(EL_STATUS, "invalid cmd: %02x", cmd);
|
|
}
|
|
}
|
|
|
|
breakloop:
|
|
if (is_s68k != current_68k) {
|
|
printf("bad 68k: %d %d\n", is_s68k, current_68k);
|
|
bad = 1;
|
|
}
|
|
if (cycles != x68k->cycles) {
|
|
printf("bad cycles: %u %u\n", cycles, x68k->cycles);
|
|
bad = 1;
|
|
}
|
|
if ((pc ^ x68k->pc) & 0xffffff) {
|
|
printf("bad PC: %08x %08x\n", pc, x68k->pc);
|
|
bad = 1;
|
|
}
|
|
if (sr != x68k->sr) {
|
|
printf("bad SR: %03x %03x\n", sr, x68k->sr);
|
|
bad = 1;
|
|
}
|
|
for (i = 0; i < 16; i++) {
|
|
r = is_s68k ? SekDarS68k(i) : SekDar(i);
|
|
if (r != x68k->dar[i]) {
|
|
printf("bad %c%d: %08x %08x\n", i < 8 ? 'D' : 'A', i & 7,
|
|
r, x68k->dar[i]);
|
|
bad = 1;
|
|
}
|
|
}
|
|
if (bad) {
|
|
for (i = 0; i < 8; i++)
|
|
printf("D%d: %08x A%d: %08x\n", i, x68k->dar[i],
|
|
i, x68k->dar[i + 8]);
|
|
printf("PC: %08x, %08x\n", x68k->pc, x68k->pc_prev);
|
|
|
|
PDebugDumpMem();
|
|
exit(1);
|
|
}
|
|
x68k->pc_prev = x68k->pc;
|
|
#endif
|
|
}
|
|
#endif // CPU_CMP_*
|
|
|
|
#if defined(EMU_M68K) && M68K_INSTRUCTION_HOOK == OPT_SPECIFY_HANDLER
|
|
static unsigned char op_flags[0x400000/2] = { 0, };
|
|
static int atexit_set = 0;
|
|
|
|
static void make_idc(void)
|
|
{
|
|
FILE *f = fopen("idc.idc", "w");
|
|
int i;
|
|
if (!f) return;
|
|
fprintf(f, "#include <idc.idc>\nstatic main() {\n");
|
|
for (i = 0; i < 0x400000/2; i++)
|
|
if (op_flags[i] != 0)
|
|
fprintf(f, " MakeCode(0x%06x);\n", i*2);
|
|
fprintf(f, "}\n");
|
|
fclose(f);
|
|
}
|
|
|
|
void instruction_hook(void)
|
|
{
|
|
if (!atexit_set) {
|
|
atexit(make_idc);
|
|
atexit_set = 1;
|
|
}
|
|
if (REG_PC < 0x400000)
|
|
op_flags[REG_PC/2] = 1;
|
|
}
|
|
#endif
|
|
|
|
// vim:shiftwidth=2:ts=2:expandtab
|