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| author | sos <sos@FreeBSD.org> | 1995-04-04 20:06:26 +0000 |
|---|---|---|
| committer | sos <sos@FreeBSD.org> | 1995-04-04 20:06:26 +0000 |
| commit | d2045dc812a6b5957800399dce1c2c125fbf2050 (patch) | |
| tree | 47408e27c9b35745fe900573cd50c22470ea711f /sys/isa/syscons.h | |
| parent | 329838744ce93564672143b61e8424abbacac162 (diff) | |
| download | FreeBSD-src-d2045dc812a6b5957800399dce1c2c125fbf2050.zip FreeBSD-src-d2045dc812a6b5957800399dce1c2c125fbf2050.tar.gz | |
Fixes to the hardware cursor emulation.
Submitted by: ache
Diffstat (limited to 'sys/isa/syscons.h')
| -rw-r--r-- | sys/isa/syscons.h | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/sys/isa/syscons.h b/sys/isa/syscons.h index 1e431a8..9e70143 100644 --- a/sys/isa/syscons.h +++ b/sys/isa/syscons.h @@ -40,6 +40,16 @@ /* printable chars */ #define PRINTABLE(ch) ((ch)>0x1B || ((ch)>0x0d && (ch)<0x1b) || (ch)<0x07) +/* macros for "intelligent" screen update */ +#define mark_for_update(scp, x) {\ + if ((x) < scp->start) scp->start = (x);\ + else if ((x) > scp->end) scp->end = (x);\ + } +#define mark_all(scp) {\ + scp->start = 0;\ + scp->end = scp->xsize * scp->ysize;\ + } + /* status flags */ #define LOCK_KEY_MASK 0x0000F #define LED_MASK 0x00007 @@ -52,7 +62,6 @@ #define CURSOR_SHOWN 0x00400 #define MOUSE_ENABLED 0x00800 #define UPDATE_MOUSE 0x01000 -#define UPDATE_SCREEN 0x02000 /* configuration flags */ #define VISUAL_BELL 0x00001 @@ -95,12 +104,14 @@ #define GDCREG IO_VGA+0x0F /* graph data controller data */ /* special characters */ -#define cntlc 0x03 -#define cntld 0x04 -#define bs 0x08 -#define lf 0x0a -#define cr 0x0d -#define del 0x7f +#define cntlc 0x03 +#define cntld 0x04 +#define bs 0x08 +#define lf 0x0a +#define cr 0x0d +#define del 0x7f + +#define DEAD_CHAR 0x07 /* char used for cursor */ typedef struct term_stat { int esc; /* processing escape sequence */ @@ -199,7 +210,7 @@ static void set_vgaregs(char *modetable); static void set_font_mode(); static void set_normal_mode(); static void copy_font(int operation, int font_type, char* font_image); -static void set_destructive_cursor(scr_stat *scp); +static void set_destructive_cursor(scr_stat *scp, int force); static void draw_mouse_image(scr_stat *scp); static void save_palette(void); void load_palette(void); |
