Fix disasembler stepping 0xfe00 - 0xfeff strangeness

Now we can see disassembly when stepping 0xfe00 - 0xeff

Note: Can not set breakpoints this area.  This may not be
fixable.

Author: ejaquay

DebuggerUtils.cpp

@@ -100,7 +100,7 @@ namespace VCC { namespace Debugger
 			unsigned long addr = PC + block * 0x2000;
 			return (unsigned char) GetMem(addr);
 		} else {
-			return DisMemRead8(PC);
+			return SafeMemRead8(PC);
 		}
 	}
 

Disassembler.cpp

@@ -1073,7 +1073,7 @@ unsigned char GetCondMem(unsigned long addr) {
     if (RealAdrMode) {
         return (unsigned char) GetMem(addr);
     } else {
-        return DisMemRead8((unsigned short) addr);
+        return SafeMemRead8((unsigned short) addr);
     }
 }
 

Vcc.rc

@@ -548,7 +548,7 @@ STYLE DS_SETFONT | DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU
 CAPTION "Disassembler"
 FONT 8, "MS Sans Serif", 0, 0, 0x0
 BEGIN
-    CONTROL    "Real memory", IDC_BTN_REAL,  "Button",BS_AUTOCHECKBOX,15, 4,55,10
+    CONTROL    "Real Address", IDC_BTN_REAL, "Button",BS_AUTOCHECKBOX,15, 4,55,10
     LTEXT      "Address",IDC_ADRTXT,        10,18, 25,9
     EDITTEXT   IDC_EDIT_PC_ADDR,            38,18, 35,10
     CONTROL    "Os9 Mode",   IDC_BTN_OS9,    "Button",BS_AUTOCHECKBOX,92, 4,65,10

tcc1014mmu.c

@@ -325,18 +325,6 @@ void MemWrite8(unsigned char data,unsigned short address)
 	return;
 }
 
-unsigned char DisMemRead8( unsigned short address)
-// Disassembler mem read. Ram and carts okay. Ports return 0xFF.
-{
-	if (address<0xFE00) {
-		if (MemPageOffsets[MmuRegisters[MmuState][address>>13]]==1)
-			return(MemPages[MmuRegisters[MmuState][address>>13]][address & 0x1FFF]);
-		else
-			return( PackMem8Read( MemPageOffsets[MmuRegisters[MmuState][address>>13]] + (address & 0x1FFF) ));
-	}
-	return 0xFF;
-}
-
 // Returns TRUE if address is writable RAM (Not Cart, Not a Port)
 bool MemCheckWrite(unsigned short address)
 {

tcc1014mmu.h

@@ -52,7 +52,6 @@ unsigned char *	Getint_rom_pointer(void);
 unsigned char * Getext_rom_pointer(void);
 unsigned short GetMem(unsigned long);
 void SetMem(unsigned long, unsigned short);
-unsigned char DisMemRead8(short unsigned int);
 bool MemCheckWrite(unsigned short address);
 
 void __fastcall fMemWrite8(unsigned char,unsigned short );