Improve speed handling in CX16

Author: Fabrizio-Caruso

src/cross_lib/display/init_graphics/cc65/cx16/cx16_init_graphics.c

@@ -55,5 +55,14 @@ void SET_UDG_IMAGES(void)
 void _XL_INIT_GRAPHICS(void)
 {
     videomode(VIDEOMODE_20x30);
+    printf("%c%c%c%c",0x90,0x01,0x05,147);
+    // printf("%c",0x09);
+    // printf("%c",0x01);
+    // printf("%c",0x01);
+
+    // printf("%c",0x10);
+    // printf("%c",0x01);
+    cputc(0x10);
+    cputc(0x01);
 	SET_UDG_IMAGES();
 }

src/cross_lib/sleep/sleep_macros.c

@@ -115,6 +115,19 @@
 				foo=42+i;
 			}
 		}
+    #elif defined(__CX16__)
+		void _XL_SLOW_DOWN(uint16_t t)
+		{
+			uint16_t i;
+            uint8_t j;
+
+			for(i=0;i<(t);++i)
+			{
+                for(j=0;j<9;++j)
+                {
+                }
+			}       
+		}
 	#else
 		void _XL_SLOW_DOWN(uint16_t t)
 		{

src/makefiles.common/auxiliary/Makefile_default_values

@@ -23,7 +23,7 @@ _C16_SLOWDOWN?=0
 _C64_SLOWDOWN?=0
 _CBM610_SLOWDOWN?=0
 _CBM510_SLOWDOWN?=0
-_CX16_SLOWDOWN?=500
+_CX16_SLOWDOWN?=200
 _CREATIVISION_SLOWDOWN?=0
 _GAMATE_SLOWDOWN?=0
 _ORIC_SLOWDOWN?=0