--- hatari/src/debug/debugcpu.c	2019/04/09 08:55:33	1.1.1.7
+++ hatari/src/debug/debugcpu.c	2019/04/09 08:56:46	1.1.1.8
@@ -33,6 +33,7 @@ const char DebugCpu_fileid[] = "Hatari d
 #include "68kDisass.h"
 #include "console.h"
 #include "options.h"
+#include "vars.h"
 
 
 #define MEMDUMP_COLS   16      /* memdump, number of bytes per row */
@@ -143,11 +144,11 @@ static int DebugCpu_SaveBin(int nArgc, c
  * Check whether given address matches any CPU symbol and whether
  * there's profiling information available for it.  If yes, show it.
  */
-static void DebugCpu_ShowAddressInfo(Uint32 addr)
+static void DebugCpu_ShowAddressInfo(Uint32 addr, FILE *fp)
 {
 	const char *symbol = Symbols_GetByCpuAddress(addr);
 	if (symbol)
-		fprintf(debugOutput, "%s:\n", symbol);
+		fprintf(fp, "%s:\n", symbol);
 }
 
 /**
@@ -195,7 +196,7 @@ int DebugCpu_DisAsm(int nArgc, char *psA
 	/* output a range */
 	for (insts = 0; insts < max_insts && disasm_addr < disasm_upper; insts++)
 	{
-		DebugCpu_ShowAddressInfo(disasm_addr);
+		DebugCpu_ShowAddressInfo(disasm_addr, debugOutput);
 		Disasm(debugOutput, (uaecptr)disasm_addr, &nextpc, 1);
 		disasm_addr = nextpc;
 	}
@@ -217,7 +218,7 @@ static char *DebugCpu_MatchRegister(cons
 		"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7",
 		"pc", "sr"
 	};
-	return DebugUI_MatchHelper(regs, ARRAYSIZE(regs), text, state);
+	return DebugUI_MatchHelper(regs, ARRAY_SIZE(regs), text, state);
 }
 
 
@@ -500,7 +501,7 @@ static char *DebugCpu_MatchNext(const ch
 	static const char* ntypes[] = {
 		"branch", "exception", "exreturn", "return", "subcall", "subreturn"
 	};
-	return DebugUI_MatchHelper(ntypes, ARRAYSIZE(ntypes), text, state);
+	return DebugUI_MatchHelper(ntypes, ARRAY_SIZE(ntypes), text, state);
 }
 
 /**
@@ -537,15 +538,25 @@ static int DebugCpu_Next(int nArgc, char
 		Uint32 optype, nextpc;
 
 		optype = DebugCpu_OpcodeType();
-		/* can this instruction be stepped normally? */
-		if (optype != CALL_SUBROUTINE && optype != CALL_EXCEPTION)
+		/* should this instruction be stepped normally, or is it
+		 * - subroutine call
+		 * - exception
+		 * - loop branch backwards
+		 */
+		if (optype == CALL_SUBROUTINE ||
+		    optype == CALL_EXCEPTION ||
+		    (optype == CALL_BRANCH &&
+		     (STMemory_ReadWord(M68000_GetPC()) & 0xf0f8) == 0x50c8 &&
+		     (Sint16)STMemory_ReadWord(M68000_GetPC()+SIZE_WORD) < 0))
+		{
+			nextpc = Disasm_GetNextPC(M68000_GetPC());
+			sprintf(command, "pc=$%x :once :quiet\n", nextpc);
+		}
+		else
 		{
 			nCpuSteps = 1;
 			return DEBUGGER_END;
 		}
-
-		nextpc = Disasm_GetNextPC(M68000_GetPC());
-		sprintf(command, "pc=$%x :once :quiet\n", nextpc);
 	}
 	/* use breakpoint, not steps */
 	if (BreakCond_Command(command, false))
@@ -617,7 +628,7 @@ void DebugCpu_Check(void)
 	}
 	if (LOG_TRACE_LEVEL((TRACE_CPU_DISASM|TRACE_CPU_SYMBOLS)))
 	{
-		DebugCpu_ShowAddressInfo(M68000_GetPC());
+		DebugCpu_ShowAddressInfo(M68000_GetPC(), TraceFile);
 	}
 	if (nCpuActiveCBs)
 	{
@@ -678,7 +689,7 @@ static const dbgcommand_t cpucommands[]
 	  "set CPU PC address breakpoints",
 	  BreakAddr_Description,
 	  true	},
-	{ DebugCpu_BreakCond, BreakCond_MatchCpuVariable,
+	{ DebugCpu_BreakCond, Vars_MatchCpuVariable,
 	  "breakpoint", "b",
 	  "set/remove/list conditional CPU breakpoints",
 	  BreakCond_Description,
@@ -774,7 +785,7 @@ int DebugCpu_Init(const dbgcommand_t **t
 	disasm_addr = 0;
 	
 	*table = cpucommands;
-	return ARRAYSIZE(cpucommands);
+	return ARRAY_SIZE(cpucommands);
 }
 
 /**