initial import

git-svn-id: file:///home/notaz/opt/svn/PicoDrive@2 be3aeb3a-fb24-0410-a615-afba39da0efa
2025-09-05 15:27:46 -04:00 · 2006-12-19 20:53:21 +00:00 · 2006-12-19 20:53:21 +00:00 · cc68a136aa
commit cc68a136aa
parent 2cadbd5e56
341 changed files with 180839 additions and 0 deletions
--- a/Pico/_cyclone_debug.c
+++ b/Pico/_cyclone_debug.c
@ -0,0 +1,130 @@
+#include "PicoInt.h"
+
+typedef unsigned char  u8;
+
+static unsigned int pppc, ops=0;
+extern unsigned int lastread_a, lastread_d[16], lastwrite_cyc_d[16], lastwrite_mus_d[16];
+extern int lrp_cyc, lrp_mus, lwp_cyc, lwp_mus;
+unsigned int old_regs[16], old_sr, ppop;
+
+//static
+void dumpPCandExit()
+{
+  char buff[128];
+  int i;
+
+  m68k_disassemble(buff, pppc, M68K_CPU_TYPE_68000);
+  dprintf("PC: %06x: %04x: %s", pppc, ppop, buff);
+  for(i=0; i < 8; i++)
+    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]);
+  dprintf("SR: %04x | %04x (??s? 0iii 000x nzvc)", CycloneGetSr(&PicoCpu), old_sr);
+  dprintf("last_read: %08x @ %06x", lastread_d[--lrp_cyc&15], lastread_a);
+  dprintf("ops done: %i", ops);
+  exit(1);
+}
+
+int CM_compareRun(int cyc)
+{
+  char *str;
+  int cyc_done=0, cyc_cyclone, cyc_musashi, err=0;
+  unsigned int i, mu_sr;
+
+  lrp_cyc = lrp_mus = 0;
+
+  while(cyc > cyc_done) {
+    pppc = SekPc;
+	ppop = m68k_read_disassembler_16(pppc);
+	memcpy(old_regs, PicoCpu.d, 4*16);
+	old_sr = CycloneGetSr(&PicoCpu);
+
+	PicoCpu.cycles=1;
+    CycloneRun(&PicoCpu);
+	cyc_cyclone=1-PicoCpu.cycles;
+	cyc_musashi=m68k_execute(1);
+
+	if(cyc_cyclone != cyc_musashi) {
+	  dprintf("cycles: %i vs %i", cyc_cyclone, cyc_musashi);
+	  err=1;
+	}
+
+	if(lrp_cyc != lrp_mus) {
+	  dprintf("lrp: %i vs %i", lrp_cyc&15, lrp_mus&15);
+	  err=1;
+	}
+
+	if(lwp_cyc != lwp_mus) {
+	  dprintf("lwp: %i vs %i", lwp_cyc&15, lwp_mus&15);
+	  err=1;
+	}
+
+	for(i=0; i < 16; i++) {
+	  if(lastwrite_cyc_d[i] != lastwrite_mus_d[i]) {
+	    dprintf("lastwrite: [%i]= %08x vs %08x", i, lastwrite_cyc_d[i], lastwrite_mus_d[i]);
+ 	    err=1;
+		break;
+	  }
+	}
+
+	// compare PC
+	if( SekPc != (m68ki_cpu.pc&0xffffff) ) {
+	  dprintf("PC: %06x vs %06x", SekPc, m68ki_cpu.pc&0xffffff);
+	  err=1;
+	}
+
+#if 0
+	if( SekPc > Pico.romsize || SekPc < 0x200 ) {
+	  dprintf("PC out of bounds: %06x", SekPc);
+	  err=1;
+	}
+#endif
+
+    // compare regs
+	for(i=0; i < 16; i++) {
+	  if(PicoCpu.d[i] != m68ki_cpu.dar[i]) {
+	    str = (i < 8) ? "d" : "a";
+	    dprintf("reg: %s%i: %08x vs %08x", str, i&7, PicoCpu.d[i], m68ki_cpu.dar[i]);
+ 	    err=1;
+		break;
+	  }
+	}
+
+	// SR
+	if((CycloneGetSr(&PicoCpu)) != (mu_sr = m68k_get_reg(NULL, M68K_REG_SR))) {
+	  dprintf("SR: %04x vs %04x (??s? 0iii 000x nzvc)", CycloneGetSr(&PicoCpu), mu_sr);
+	  err=1;
+	}
+
+	// IRQl
+	if(PicoCpu.irq != (m68ki_cpu.int_level>>8)) {
+	  dprintf("IRQ: %i vs %i", PicoCpu.irq, (m68ki_cpu.int_level>>8));
+	  err=1;
+	}
+
+	// OSP/USP
+	if(PicoCpu.osp != m68ki_cpu.sp[((mu_sr>>11)&4)^4]) {
+	  dprintf("OSP: %06x vs %06x", PicoCpu.osp, m68ki_cpu.sp[0]);
+	  err=1;
+	}
+
+	// stopped
+	if((PicoCpu.stopped && !m68ki_cpu.stopped) || (!PicoCpu.stopped && m68ki_cpu.stopped)) {
+	  dprintf("stopped: %i vs %i", PicoCpu.stopped, m68ki_cpu.stopped);
+	  err=1;
+	}
+
+    if(err) dumpPCandExit();
+
+#if 0
+    m68k_set_reg(M68K_REG_SR, ((mu_sr-1)&~0x2000)|(mu_sr&0x2000)); // broken
+	CycloneSetSr(&PicoCpu, ((mu_sr-1)&~0x2000)|(mu_sr&0x2000));
+    PicoCpu.stopped = m68ki_cpu.stopped = 0;
+	if(SekPc > 0x400 && (PicoCpu.a[7] < 0xff0000 || PicoCpu.a[7] > 0xffffff)) 
+	  PicoCpu.a[7] = m68ki_cpu.dar[15] = 0xff8000;
+#endif
+
+	cyc_done += cyc_cyclone;
+	ops++;
+  }
+
+  return cyc_done;
+}