The cterm_screen no longer has separate arrays for foreground and background.

Also, the vmem is an array of struct vmem_cell.

src/conio/ciolib.c

@@ -1842,19 +1842,6 @@ CIOLIBEXPORT struct ciolib_screen * CIOLIBCALL ciolib_savescreen(void)
 		free(ret);
 		return NULL;
 	}
-	ret->foreground = malloc(ret->text_info.screenwidth * ret->text_info.screenheight * sizeof(ret->foreground[0]));
-	if (ret->foreground == NULL) {
-		free(ret->vmem);
-		free(ret);
-		return NULL;
-	}
-	ret->background = malloc(ret->text_info.screenwidth * ret->text_info.screenheight * sizeof(ret->background[0]));
-	if (ret->background == NULL) {
-		free(ret->foreground);
-		free(ret->vmem);
-		free(ret);
-		return NULL;
-	}
 
 	if (vmode != -1) {
 		ret->pixels = ciolib_getpixels(0, 0, vparams[vmode].charwidth * vparams[vmode].cols - 1, vparams[vmode].charheight * vparams[vmode].rows - 1);
@@ -1875,8 +1862,6 @@ CIOLIBEXPORT void CIOLIBCALL ciolib_freescreen(struct ciolib_screen *scrn)
 		return;
 
 	ciolib_freepixels(scrn->pixels);
-	FREE_AND_NULL(scrn->background);
-	FREE_AND_NULL(scrn->foreground);
 	FREE_AND_NULL(scrn->vmem);
 	free(scrn);
 }

src/conio/ciolib.h

@@ -258,26 +258,24 @@ struct ciolib_pixels {
 	uint32_t	height;
 };
 
+struct vmem_cell {
+	uint8_t legacy_attr;
+	uint8_t ch;
+	uint8_t font;
+	uint32_t fg;	// RGB 00RRGGBB High bit indicates palette colour
+	uint32_t bg;	// RGB 00RRGGBB High bit indicates palette colour
+};
+
 struct ciolib_screen {
 	uint32_t		fg_colour;
 	uint32_t		bg_colour;
 	int			flags;
 	int			fonts[5];
 	struct ciolib_pixels	*pixels;
-	void			*vmem;
-	uint32_t		*foreground;
-	uint32_t		*background;
+	struct vmem_cell	*vmem;
 	struct text_info	text_info;
 };
 
-struct vmem_cell {
-	uint8_t legacy_attr;
-	uint8_t ch;
-	uint8_t font;
-	uint32_t fg;	// RGB 00RRGGBB High bit indicates palette colour
-	uint32_t bg;	// RGB 00RRGGBB High bit indicates palette colour
-};
-
 #define CONIO_FIRST_FREE_FONT	43
 
 typedef struct {