--- hatari/src/includes/screen.h	2019/04/01 07:14:44	1.1.1.12
+++ hatari/src/includes/screen.h	2019/04/09 08:53:08	1.1.1.15
@@ -1,8 +1,8 @@
 /*
   Hatari - screen.h
 
-  This file is distributed under the GNU Public License, version 2 or at your
-  option any later version. Read the file gpl.txt for details.
+  This file is distributed under the GNU General Public License, version 2
+  or at your option any later version. Read the file gpl.txt for details.
 */
 
 #ifndef HATARI_SCREEN_H
@@ -33,12 +33,17 @@
 /* Number of visible screen lines including top/bottom borders */
 #define NUM_VISIBLE_LINES  (OVERSCAN_TOP+200+MAX_OVERSCAN_BOTTOM)
 
+/* 1x16 colour palette per screen line, +1 line as may write after line 200 */
+#define HBL_PALETTE_LINES ((NUM_VISIBLE_LINES+1 +3 )*16)	/* [NP] FIXME we need to handle 313 hbl, not 310 ; palette code is a mess it should be removed */
+/* Bit mask of palette colours changes, top bit set is resolution change */
+#define HBL_PALETTE_MASKS (NUM_VISIBLE_LINES+1 +3 )		/* [NP] FIXME we need to handle 313 hbl, not 310 ; palette code is a mess it should be removed */
+
 
 /* Frame buffer, used to store details in screen conversion */
 typedef struct
 {
-  Uint16 HBLPalettes[(NUM_VISIBLE_LINES+1)*16];   /* 1x16 colour palette per screen line, +1 line as may write after line 200 */
-  Uint32 HBLPaletteMasks[NUM_VISIBLE_LINES+1];    /* Bit mask of palette colours changes, top bit set is resolution change */
+  Uint16 HBLPalettes[HBL_PALETTE_LINES];
+  Uint32 HBLPaletteMasks[HBL_PALETTE_MASKS];
   Uint8 *pSTScreen;             /* Copy of screen built up during frame (copy each line on HBL to simulate monitor raster) */
   Uint8 *pSTScreenCopy;         /* Previous frames copy of above  */
   int OverscanModeCopy;         /* Previous screen overscan mode */
@@ -62,14 +67,6 @@ enum
 #define ST_MEDIUM_RES_BIT 0x1
 #define ST_RES_MASK 0x3
 
-/* Update Palette defines */
-enum
-{
-  UPDATE_PALETTE_NONE,
-  UPDATE_PALETTE_UPDATE,
-  UPDATE_PALETTE_FULLUPDATE
-};
-
 /* Palette mask values for 'HBLPaletteMask[]' */
 #define PALETTEMASK_RESOLUTION  0x00040000
 #define PALETTEMASK_PALETTE     0x0000ffff
@@ -86,19 +83,6 @@ enum
   OVERSCANMODE_BOTTOM    /* 0x02 (Top+Bottom) 0x03 */
 };
 
-/* Available fullscreen modes */
-#define NUM_DISPLAYMODEOPTIONS	6
-enum
-{
-  DISPLAYMODE_LOWCOL_LOWRES,     /* low color, low resolution (fastest) */
-  DISPLAYMODE_LOWCOL_HIGHRES,    /* low color, zoomed resolution */
-  DISPLAYMODE_LOWCOL_DUMMY,      /* unused */
-  DISPLAYMODE_HICOL_LOWRES,      /* high color, low resolution */
-  DISPLAYMODE_HICOL_HIGHRES,     /* high color, zoomed resolution (slowest) */
-  DISPLAYMODE_HICOL_DUMMY        /* unused */
-};
-
-
 extern bool bGrabMouse;
 extern bool bInFullScreen;
 extern int nScreenZoomX, nScreenZoomY;
@@ -120,4 +104,6 @@ extern void Screen_ReturnFromFullScreen(
 extern void Screen_ModeChanged(void);
 extern bool Screen_Draw(void);
 
+extern bool bTTSampleHold;      /* TT special video mode */
+
 #endif  /* ifndef HATARI_SCREEN_H */