2.0.2 release.

[virtualjaguar] / src / m68000 / m68kinterface.c

diff --git a/src/m68000/m68kinterface.c b/src/m68000/m68kinterface.c
index c6e81021be9e833283dd4266d9f2dec4b4ed3ed7..132a91aa1fe708b5bf69e04bf5c0c00ea8280d41 100644 (file)
--- a/src/m68000/m68kinterface.c
+++ b/src/m68000/m68kinterface.c
@@ -80,6 +80,8 @@ cpuop_func * cpuFunctionTable[65536];
 void Dasm(uint32_t offset, uint32_t qt)
 {
 #ifdef CPU_DEBUG
+// back up a few instructions...
+//offset -= 100;
        static char buffer[2048];//, mem[64];
        int pc = offset, oldpc;
        uint32_t i;
@@ -100,6 +102,21 @@ void Dasm(uint32_t offset, uint32_t qt)
 #endif
 }
 
+#ifdef CPU_DEBUG
+void DumpRegisters(void)
+{
+       uint32_t i;
+
+       for(i=0; i<16; i++)
+       {
+               printf("%s%i: %08X ", (i < 8 ? "D" : "A"), i & 0x7, regs.regs[i]);
+
+               if ((i & 0x03) == 3)
+                       printf("\n");
+       }
+}
+#endif
+
 
 void m68k_set_cpu_type(unsigned int type)
 {
@@ -261,6 +278,34 @@ else if (regs.pc == 0x803422)
 
 if (inRoutine)
        instSeen++;
+#endif
+// AvP testing... (problem was: 32 bit addresses on 24 bit address cpu--FIXED)
+#if 0
+       static int go = 0;
+
+       if (regs.pc == 0x94BA)
+       {
+               go = 1;
+               printf("\n");
+       }
+
+       if (regs.pc == 0x94C6)
+               go = 0;
+
+//     if (regs.regs[10] == 0xFFFFFFFF && go)
+       if (go)
+       {
+//             printf("A2=-1, PC=%08X\n", regs.pc);
+//             go = 0;
+//             Dasm(regs.pc, 130);
+               Dasm(regs.pc, 1);
+               DumpRegisters();
+       }
+//94BA: 2468 0000                MOVEA.L       (A0,$0000) == $0002328A, A2
+//94BE: 200A                     MOVE.L        A2, D0
+//94C0: 6A02                     BPL.B $94C4
+//94C2: 2452                     MOVEA.L       (A2), A2                        ; <--- HERE
+//94C4: 4283                     CLR.L D3
 #endif
                uint32_t opcode = get_iword(0);
 //if ((opcode & 0xFFF8) == 0x31C0)