PicoDrive hacks

[picodrive.git] / Pico / _cyclone_debug.c

#include "PicoInt.h"\r
\r
// note: set SPLIT_MOVEL_PD to 0\r
\r
typedef unsigned char  u8;\r
\r
static unsigned int pppc, ops=0;\r
extern unsigned int lastread_a, lastread_d[16], lastwrite_cyc_d[16], lastwrite_mus_d[16];\r
extern int lrp_cyc, lrp_mus, lwp_cyc, lwp_mus;\r
unsigned int old_regs[16], old_sr, ppop, have_illegal = 0;\r
\r
#undef dprintf\r
#define dprintf(f,...) printf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__)\r
\r
//static\r
void dumpPCandExit()\r
{\r
  char buff[128];\r
  int i;\r
\r
  m68k_disassemble(buff, pppc, M68K_CPU_TYPE_68000);\r
  dprintf("PC: %06x: %04x: %s", pppc, ppop, buff);\r
  dprintf("                    this | prev");\r
  for(i=0; i < 8; i++)\r
    dprintf("d%i=%08x, a%i=%08x | d%i=%08x, a%i=%08x", i, PicoCpu.d[i], i, PicoCpu.a[i], i, old_regs[i], i, old_regs[i+8]);\r
  dprintf("SR:                 %04x | %04x (??s? 0iii 000x nzvc)", CycloneGetSr(&PicoCpu), old_sr);\r
  dprintf("last_read: %08x @ %06x", lastread_d[--lrp_cyc&15], lastread_a);\r
  dprintf("ops done: %i", ops);\r
  exit(1);\r
}\r
\r
int CM_compareRun(int cyc)\r
{\r
  char *str;\r
  int cyc_done=0, cyc_cyclone, cyc_musashi, err=0;\r
  unsigned int i, mu_sr;\r
\r
  lrp_cyc = lrp_mus = 0;\r
\r
  while(cyc > cyc_done)\r
  {\r
    if (have_illegal && m68k_read_disassembler_16(m68ki_cpu.pc) != 0x4e73) // not rte\r
    {\r
      have_illegal = 0;\r
      m68ki_cpu.pc += 2;\r
      PicoCpu.pc=PicoCpu.checkpc(PicoCpu.pc + 2);\r
    }\r
    // hacks for test_misc2\r
    if (m68ki_cpu.pc == 0x0002e0 && m68k_read_disassembler_16(m68ki_cpu.pc) == 0x4e73)\r
    {\r
      // get out of "priviledge violation" loop\r
      have_illegal = 1;\r
      //m68ki_cpu.s_flag = SFLAG_SET;\r
      //PicoCpu.srh|=0x20;\r
    }\r
\r
    pppc = SekPc;\r
    ppop = m68k_read_disassembler_16(pppc);\r
    memcpy(old_regs, PicoCpu.d, 4*16);\r
    old_sr = CycloneGetSr(&PicoCpu);\r
\r
    /*\r
    dprintf("---");\r
    {\r
      char buff[128];\r
      dprintf("---");\r
      m68k_disassemble(buff, pppc, M68K_CPU_TYPE_68000);\r
      dprintf("PC: %06x: %04x: %s", pppc, ppop, buff);\r
    }\r
    */\r
\r
    PicoCpu.cycles=1;\r
    CycloneRun(&PicoCpu);\r
    cyc_cyclone=1-PicoCpu.cycles;\r
    cyc_musashi=m68k_execute(1);\r
\r
    if(cyc_cyclone != cyc_musashi) {\r
      dprintf("cycles: %i vs %i", cyc_cyclone, cyc_musashi);\r
      err=1;\r
    }\r
\r
    if(lrp_cyc != lrp_mus) {\r
      dprintf("lrp: %i vs %i", lrp_cyc&15, lrp_mus&15);\r
      err=1;\r
    }\r
\r
    if(lwp_cyc != lwp_mus) {\r
      dprintf("lwp: %i vs %i", lwp_cyc&15, lwp_mus&15);\r
      err=1;\r
    }\r
\r
    for(i=0; i < 16; i++) {\r
      if(lastwrite_cyc_d[i] != lastwrite_mus_d[i]) {\r
        dprintf("lastwrite: [%i]= %08x vs %08x", i, lastwrite_cyc_d[i], lastwrite_mus_d[i]);\r
         err=1;\r
        break;\r
      }\r
    }\r
\r
    // compare PC\r
    m68ki_cpu.pc&=~1;\r
    if( SekPc != (m68ki_cpu.pc&0xffffff) ) {\r
      dprintf("PC: %06x vs %06x", SekPc, m68ki_cpu.pc&0xffffff);\r
      err=1;\r
    }\r
\r
#if 0\r
    if( SekPc > Pico.romsize || SekPc < 0x200 ) {\r
      dprintf("PC out of bounds: %06x", SekPc);\r
      err=1;\r
    }\r
#endif\r
\r
    // compare regs\r
    for(i=0; i < 16; i++) {\r
      if(PicoCpu.d[i] != m68ki_cpu.dar[i]) {\r
        str = (i < 8) ? "d" : "a";\r
        dprintf("reg: %s%i: %08x vs %08x", str, i&7, PicoCpu.d[i], m68ki_cpu.dar[i]);\r
        err=1;\r
      }\r
    }\r
\r
    // SR\r
    if((CycloneGetSr(&PicoCpu)) != (mu_sr = m68k_get_reg(NULL, M68K_REG_SR))) {\r
      dprintf("SR: %04x vs %04x (??s? 0iii 000x nzvc)", CycloneGetSr(&PicoCpu), mu_sr);\r
      err=1;\r
    }\r
\r
    // IRQl\r
    if(PicoCpu.irq != (m68ki_cpu.int_level>>8)) {\r
      dprintf("IRQ: %i vs %i", PicoCpu.irq, (m68ki_cpu.int_level>>8));\r
      err=1;\r
    }\r
\r
    // OSP/USP\r
    if(PicoCpu.osp != m68ki_cpu.sp[((mu_sr>>11)&4)^4]) {\r
      dprintf("OSP: %06x vs %06x", PicoCpu.osp, m68ki_cpu.sp[((mu_sr>>11)&4)^4]);\r
      err=1;\r
    }\r
\r
    // stopped\r
    if((PicoCpu.stopped && !m68ki_cpu.stopped) || (!PicoCpu.stopped && m68ki_cpu.stopped)) {\r
      dprintf("stopped: %i vs %i", PicoCpu.stopped, m68ki_cpu.stopped);\r
      err=1;\r
    }\r
\r
    if(err) dumpPCandExit();\r
\r
/*\r
    if (PicoCpu.a[7] < 0x00ff0000 || PicoCpu.a[7] >= 0x01000000)\r
    {\r
      PicoCpu.a[7] = m68ki_cpu.dar[15] = 0xff8000;\r
    }\r
*/\r
#if 0\r
    m68k_set_reg(M68K_REG_SR, ((mu_sr-1)&~0x2000)|(mu_sr&0x2000)); // broken\r
    CycloneSetSr(&PicoCpu, ((mu_sr-1)&~0x2000)|(mu_sr&0x2000));\r
    PicoCpu.stopped = m68ki_cpu.stopped = 0;\r
    if(SekPc > 0x400 && (PicoCpu.a[7] < 0xff0000 || PicoCpu.a[7] > 0xffffff))\r
    PicoCpu.a[7] = m68ki_cpu.dar[15] = 0xff8000;\r
#endif\r
\r
    cyc_done += cyc_cyclone;\r
    ops++;\r
  }\r
\r
  return cyc_done;\r
}\r