performance fix for forth83 - don't sleep if -n is set. also, minor c…

…leanup

ntvcm.cxx

@@ -45,11 +45,10 @@
 #include <djl_con.hxx>
 #include <djl_cycle.hxx>
 
-#define  AUTHOR     "David Lee"
-#define  FILENAME   "ntvcm"
-#define  VERSION    "0.1"
+#define FILENAME   "ntvcm"
+#define VERSION    "0.1"
 #if !defined(BUILD)
-#define  BUILD      ""
+#define BUILD      ""
 #endif
 #if !defined(COMMIT_ID)
 #define  COMMIT_ID  ""
@@ -1604,7 +1603,13 @@ char get_next_kbd_char()
 
 bool is_kbd_char_available()
 {
-    return ( ( g_fileInputOffset < g_fileInputText.size() ) || g_consoleConfig.throttled_kbhit() );
+    if ( g_fileInputOffset < g_fileInputText.size() )
+        return true;
+
+    if ( g_sleepOnKbdLoop )
+        return g_consoleConfig.throttled_kbhit();
+
+    return g_consoleConfig.portable_kbhit();
 } //is_kbd_char_available    
 
 bool cpm_read_console( char * buf, size_t bufsize, uint8_t & out_len )

x80.hxx

@@ -260,6 +260,7 @@ extern void x80_invoke_out( uint8_t x ); // called for the out instruction
 extern void x80_invoke_in( uint8_t x );  // called for the in instruction
 extern void x80_invoke_halt( void );     // called when the 8080 hlt (on Z80 halt) instruction is executed
 extern uint8_t x80_invoke_hook( void );  // called with the OPCODE_HOOK instruction is executed
+extern void x80_hard_exit( const char * pcerror, uint8_t arg1, uint8_t arg2 ); // called on failures to exit the app
 
 // emulator API
 
@@ -268,4 +269,3 @@ extern void x80_trace_instructions( bool trace );              // enable/disable
 extern void x80_end_emulation();                               // stop the emulation
 extern void x80_trace_state( void );                           // trace the registers
 extern const char * x80_render_operation( uint16_t address );  // return a string with the disassembled instruction at address
-extern void x80_hard_exit( const char * pcerror, uint8_t arg1, uint8_t arg2 ); // called on failures to exit the app