added video files (shamlessly stolen from EmuTOS)

2013-12-24 09:37:29 +00:00
parent 0bd66b86ba
commit 7addadeb70
11 changed files with 2857 additions and 1 deletions
--- a/include/videl.h
+++ b/include/videl.h
@@ -0,0 +1,98 @@
+/*
+ * screen.h - low-level screen routines
+ *
+ * Copyright (c) 2013 The EmuTOS development team
+ *
+ * Authors:
+ *  PES   Petr Stehlik
+ *  RFB   Roger Burrows
+ *
+ * This file is distributed under the GPL, version 2 or at your
+ * option any later version.  See doc/license.txt for details.
+ */
+
+#ifndef VIDEL_H
+#define VIDEL_H
+
+#define SPSHIFT             0xffff8266L
+
+#define FRGB_BLACK     0x00000000       /* Falcon palette */
+#define FRGB_BLUE      0x000000ff
+#define FRGB_GREEN     0x00ff0000
+#define FRGB_CYAN      0x00ff00ff
+#define FRGB_RED       0xff000000
+#define FRGB_MAGENTA   0xff0000ff
+#define FRGB_LTGRAY    0xbbbb00bb
+#define FRGB_GRAY      0x88880088
+#define FRGB_LTBLUE    0x000000aa
+#define FRGB_LTGREEN   0x00aa0000
+#define FRGB_LTCYAN    0x00aa00aa
+#define FRGB_LTRED     0xaa000000
+#define FRGB_LTMAGENTA 0xaa0000aa
+#define FRGB_YELLOW    0xffff0000
+#define FRGB_LTYELLOW  0xaaaa0000
+#define FRGB_WHITE     0xffff00ff
+
+/* bit settings for Falcon videomodes */
+#define VIDEL_VALID    0x01ff           /* the only bits allowed in a videomode */
+#define VIDEL_VERTICAL 0x0100           /* if set, use interlace (TV), double line (VGA) */
+#define VIDEL_COMPAT   0x0080           /* ST-compatible if set */
+#define VIDEL_OVERSCAN 0x0040           /* overscan if set (not used with VGA) */
+#define VIDEL_PAL      0x0020           /* PAL if set; otherwise NTSC */
+#define VIDEL_VGA      0x0010           /* VGA if set; otherwise TV */
+#define VIDEL_80COL    0x0008           /* 80-column mode if set; otherwise 40 */
+#define VIDEL_BPPMASK  0x0007           /* mask for bits/pixel encoding */
+#define VIDEL_1BPP          0               /* 2 colours */
+#define VIDEL_2BPP          1               /* 4 colours */
+#define VIDEL_4BPP          2               /* 16 colours */
+#define VIDEL_8BPP          3               /* 256 colours */
+#define VIDEL_TRUECOLOR     4               /* 65536 colours */
+
+/* test for VDI support of videomode */
+#define VALID_VDI_BPP(mode) ((mode&VIDEL_BPPMASK)<=VIDEL_8BPP)
+
+/* selected Falcon videomodes */
+#define FALCON_ST_HIGH      (VIDEL_COMPAT|VIDEL_VGA|VIDEL_80COL|VIDEL_1BPP)
+
+#define FALCON_DEFAULT_BOOT (VIDEL_VERTICAL|VIDEL_80COL|VIDEL_8BPP) /* 640x480x256 colours, TV, NTSC */
+
+#define FALCON_REZ     3    /* used as a Falcon indicator */
+
+typedef struct {
+    int16_t vmode;         /* video mode (-1 => end marker) */
+    int16_t monitor;       /* applicable monitors */
+    uint16_t hht;          /* H hold timer */
+    uint16_t hbb;          /* H border begin */
+    uint16_t hbe;          /* H border end */
+    uint16_t hdb;          /* H display begin */
+    uint16_t hde;          /* H display end */
+    uint16_t hss;          /* H SS */
+    uint16_t vft;          /* V freq timer */
+    uint16_t vbb;          /* V border begin */
+    uint16_t vbe;          /* V border end */
+    uint16_t vdb;          /* V display begin */
+    uint16_t vde;          /* V display end */
+    uint16_t vss;          /* V SS */
+} VMODE_ENTRY;
+
+void initialise_falcon_palette(int16_t mode);
+const VMODE_ENTRY *lookup_videl_mode(int16_t mode,int16_t monitor);
+
+/* Public XBIOS functions */
+int16_t vsetmode(int16_t mode);
+int16_t vmontype(void);
+int16_t vsetsync(int16_t external);
+int32_t vgetsize(int16_t mode);
+int16_t vsetrgb(int16_t index,int16_t count,int32_t *rgb);
+int16_t vgetrgb(int16_t index,int16_t count,int32_t *rgb);
+
+/* misc routines */
+int16_t get_videl_mode(void);
+int16_t vfixmode(int16_t mode);
+int16_t videl_check_moderez(int16_t moderez);
+uint32_t videl_vram_size(void);
+void videl_get_current_mode_info(uint16_t *planes, uint16_t *hz_rez, uint16_t *vt_rez);
+
+extern int16_t current_video_mode;
+
+#endif /* VIDEL_H */