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Emulate hw cursor closely, and get start&end scanlines from BIOS.

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This commit is contained in:
Søren Schmidt 1995-03-30 14:32:31 +00:00
parent db2a3eb2aa
commit 085db34497
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=7498
6 changed files with 81 additions and 57 deletions
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43
sys/dev/syscons/syscons.c
View file

@ -278,7 +278,7 @@ scattach(struct isa_device *dev)
copy_font(SAVE, FONT_16, font_16);
fonts_loaded = FONT_16;
scp->font = FONT_16;
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
save_palette();
}
@ -1750,7 +1750,7 @@ scan_esc(scr_stat *scp, u_char c)
else if (scp->term.num_param == 2) {
scp->cursor_start = scp->term.param[0] & 0x1F;
scp->cursor_end = scp->term.param[1] & 0x1F;
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
}
break;
@ -1793,8 +1793,10 @@ draw_cursor(scr_stat *scp, int show)
u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf));
scp->cursor_saveunder = cursor_image;
if (configuration & CHAR_CURSOR)
if (configuration & CHAR_CURSOR) {
set_destructive_cursor(scp);
cursor_image = (cursor_image & 0xff00) | 0x07;
}
else {
if ((cursor_image & 0x7000) == 0x7000) {
cursor_image &= 0x8fff;
@ -2048,8 +2050,8 @@ init_scp(scr_stat *scp)
scp->term.rev_attr = current_default->rev_attr;
scp->term.cur_attr = scp->term.std_attr;
scp->border = BG_BLACK;
scp->cursor_start = 14;
scp->cursor_end = 15;
scp->cursor_start = *(char *)pa_to_va(0x461);
scp->cursor_end = *(char *)pa_to_va(0x460);
scp->mouse_xpos = scp->mouse_ypos = 0;
scp->bell_pitch = BELL_PITCH;
scp->bell_duration = BELL_DURATION;
@ -2709,7 +2711,7 @@ set_mode(scr_stat *scp)
scp->font = FONT_8;
break;
}
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
break;
case M_BG320: case M_CG320: case M_BG640:
@ -2865,33 +2867,38 @@ copy_font(int operation, int font_type, char* font_image)
}
static void
set_destructive_cursor_size(scr_stat *scp)
set_destructive_cursor(scr_stat *scp)
{
u_char cursor[32];
caddr_t address;
int i, font_size;
char *font_buffer;
switch (scp->font) {
default:
case FONT_8:
font_size = 8;
address = (caddr_t)VIDEOMEM+0x8000;
font_buffer = font_8;
address = (caddr_t)VIDEOMEM + 0x8000;
break;
case FONT_14:
font_size = 14;
address = (caddr_t)VIDEOMEM+0x4000;
font_buffer = font_14;
address = (caddr_t)VIDEOMEM + 0x4000;
break;
case FONT_16:
font_size = 16;
font_buffer = font_16;
address = (caddr_t)VIDEOMEM;
break;
}
bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size),
cursor, font_size);
for (i=0; i<32; i++)
if ((i >= scp->cursor_start && i <= scp->cursor_end) ||
(scp->cursor_start >= font_size && i == font_size - 1))
cursor[i] = 0xff;
else
cursor[i] = 0x00;
cursor[i] |= 0xff;
while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
set_font_mode();
bcopy(cursor, (char *)pa_to_va(address) + 0x07 * 32, 32);
set_normal_mode();
@ -2914,13 +2921,13 @@ draw_mouse_image(scr_stat *scp)
font_size = 8;
font_buffer = font_8;
yoffset = scp->mouse_ypos % 8;
address = (caddr_t)VIDEOMEM+0x8000;
address = (caddr_t)VIDEOMEM + 0x8000;
break;
case FONT_14:
font_size = 14;
font_buffer = font_14;
yoffset = scp->mouse_ypos % 14;
address = (caddr_t)VIDEOMEM+0x4000;
address = (caddr_t)VIDEOMEM + 0x4000;
break;
case FONT_16:
font_size = 16;
@ -2930,13 +2937,13 @@ draw_mouse_image(scr_stat *scp)
break;
}
bcopyw(font_buffer+((*(scp->mouse_pos) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size),
&scp->mouse_cursor[0], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+1) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size),
&scp->mouse_cursor[32], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+scp->xsize) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size),
&scp->mouse_cursor[64], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+scp->xsize+1) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size),
&scp->mouse_cursor[96], font_size);
for (i=0; i<font_size; i++) {

3
sys/dev/syscons/syscons.h
View file

@ -52,6 +52,7 @@
#define CURSOR_SHOWN 0x00400
#define MOUSE_ENABLED 0x00800
#define UPDATE_MOUSE 0x01000
#define UPDATE_SCREEN 0x02000
/* configuration flags */
#define VISUAL_BELL 0x00001
@ -198,7 +199,7 @@ 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_size(scr_stat *scp);
static void set_destructive_cursor(scr_stat *scp);
static void draw_mouse_image(scr_stat *scp);
static void save_palette(void);
void load_palette(void);

43
sys/i386/isa/syscons.c
View file

@ -278,7 +278,7 @@ scattach(struct isa_device *dev)
copy_font(SAVE, FONT_16, font_16);
fonts_loaded = FONT_16;
scp->font = FONT_16;
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
save_palette();
}
@ -1750,7 +1750,7 @@ scan_esc(scr_stat *scp, u_char c)
else if (scp->term.num_param == 2) {
scp->cursor_start = scp->term.param[0] & 0x1F;
scp->cursor_end = scp->term.param[1] & 0x1F;
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
}
break;
@ -1793,8 +1793,10 @@ draw_cursor(scr_stat *scp, int show)
u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf));
scp->cursor_saveunder = cursor_image;
if (configuration & CHAR_CURSOR)
if (configuration & CHAR_CURSOR) {
set_destructive_cursor(scp);
cursor_image = (cursor_image & 0xff00) | 0x07;
}
else {
if ((cursor_image & 0x7000) == 0x7000) {
cursor_image &= 0x8fff;
@ -2048,8 +2050,8 @@ init_scp(scr_stat *scp)
scp->term.rev_attr = current_default->rev_attr;
scp->term.cur_attr = scp->term.std_attr;
scp->border = BG_BLACK;
scp->cursor_start = 14;
scp->cursor_end = 15;
scp->cursor_start = *(char *)pa_to_va(0x461);
scp->cursor_end = *(char *)pa_to_va(0x460);
scp->mouse_xpos = scp->mouse_ypos = 0;
scp->bell_pitch = BELL_PITCH;
scp->bell_duration = BELL_DURATION;
@ -2709,7 +2711,7 @@ set_mode(scr_stat *scp)
scp->font = FONT_8;
break;
}
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
break;
case M_BG320: case M_CG320: case M_BG640:
@ -2865,33 +2867,38 @@ copy_font(int operation, int font_type, char* font_image)
}
static void
set_destructive_cursor_size(scr_stat *scp)
set_destructive_cursor(scr_stat *scp)
{
u_char cursor[32];
caddr_t address;
int i, font_size;
char *font_buffer;
switch (scp->font) {
default:
case FONT_8:
font_size = 8;
address = (caddr_t)VIDEOMEM+0x8000;
font_buffer = font_8;
address = (caddr_t)VIDEOMEM + 0x8000;
break;
case FONT_14:
font_size = 14;
address = (caddr_t)VIDEOMEM+0x4000;
font_buffer = font_14;
address = (caddr_t)VIDEOMEM + 0x4000;
break;
case FONT_16:
font_size = 16;
font_buffer = font_16;
address = (caddr_t)VIDEOMEM;
break;
}
bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size),
cursor, font_size);
for (i=0; i<32; i++)
if ((i >= scp->cursor_start && i <= scp->cursor_end) ||
(scp->cursor_start >= font_size && i == font_size - 1))
cursor[i] = 0xff;
else
cursor[i] = 0x00;
cursor[i] |= 0xff;
while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
set_font_mode();
bcopy(cursor, (char *)pa_to_va(address) + 0x07 * 32, 32);
set_normal_mode();
@ -2914,13 +2921,13 @@ draw_mouse_image(scr_stat *scp)
font_size = 8;
font_buffer = font_8;
yoffset = scp->mouse_ypos % 8;
address = (caddr_t)VIDEOMEM+0x8000;
address = (caddr_t)VIDEOMEM + 0x8000;
break;
case FONT_14:
font_size = 14;
font_buffer = font_14;
yoffset = scp->mouse_ypos % 14;
address = (caddr_t)VIDEOMEM+0x4000;
address = (caddr_t)VIDEOMEM + 0x4000;
break;
case FONT_16:
font_size = 16;
@ -2930,13 +2937,13 @@ draw_mouse_image(scr_stat *scp)
break;
}
bcopyw(font_buffer+((*(scp->mouse_pos) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size),
&scp->mouse_cursor[0], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+1) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size),
&scp->mouse_cursor[32], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+scp->xsize) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size),
&scp->mouse_cursor[64], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+scp->xsize+1) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size),
&scp->mouse_cursor[96], font_size);
for (i=0; i<font_size; i++) {

3
sys/i386/isa/syscons.h
View file

@ -52,6 +52,7 @@
#define CURSOR_SHOWN 0x00400
#define MOUSE_ENABLED 0x00800
#define UPDATE_MOUSE 0x01000
#define UPDATE_SCREEN 0x02000
/* configuration flags */
#define VISUAL_BELL 0x00001
@ -198,7 +199,7 @@ 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_size(scr_stat *scp);
static void set_destructive_cursor(scr_stat *scp);
static void draw_mouse_image(scr_stat *scp);
static void save_palette(void);
void load_palette(void);

43
sys/isa/syscons.c
View file

@ -278,7 +278,7 @@ scattach(struct isa_device *dev)
copy_font(SAVE, FONT_16, font_16);
fonts_loaded = FONT_16;
scp->font = FONT_16;
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
save_palette();
}
@ -1750,7 +1750,7 @@ scan_esc(scr_stat *scp, u_char c)
else if (scp->term.num_param == 2) {
scp->cursor_start = scp->term.param[0] & 0x1F;
scp->cursor_end = scp->term.param[1] & 0x1F;
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
}
break;
@ -1793,8 +1793,10 @@ draw_cursor(scr_stat *scp, int show)
u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf));
scp->cursor_saveunder = cursor_image;
if (configuration & CHAR_CURSOR)
if (configuration & CHAR_CURSOR) {
set_destructive_cursor(scp);
cursor_image = (cursor_image & 0xff00) | 0x07;
}
else {
if ((cursor_image & 0x7000) == 0x7000) {
cursor_image &= 0x8fff;
@ -2048,8 +2050,8 @@ init_scp(scr_stat *scp)
scp->term.rev_attr = current_default->rev_attr;
scp->term.cur_attr = scp->term.std_attr;
scp->border = BG_BLACK;
scp->cursor_start = 14;
scp->cursor_end = 15;
scp->cursor_start = *(char *)pa_to_va(0x461);
scp->cursor_end = *(char *)pa_to_va(0x460);
scp->mouse_xpos = scp->mouse_ypos = 0;
scp->bell_pitch = BELL_PITCH;
scp->bell_duration = BELL_DURATION;
@ -2709,7 +2711,7 @@ set_mode(scr_stat *scp)
scp->font = FONT_8;
break;
}
set_destructive_cursor_size(scp);
set_destructive_cursor(scp);
break;
case M_BG320: case M_CG320: case M_BG640:
@ -2865,33 +2867,38 @@ copy_font(int operation, int font_type, char* font_image)
}
static void
set_destructive_cursor_size(scr_stat *scp)
set_destructive_cursor(scr_stat *scp)
{
u_char cursor[32];
caddr_t address;
int i, font_size;
char *font_buffer;
switch (scp->font) {
default:
case FONT_8:
font_size = 8;
address = (caddr_t)VIDEOMEM+0x8000;
font_buffer = font_8;
address = (caddr_t)VIDEOMEM + 0x8000;
break;
case FONT_14:
font_size = 14;
address = (caddr_t)VIDEOMEM+0x4000;
font_buffer = font_14;
address = (caddr_t)VIDEOMEM + 0x4000;
break;
case FONT_16:
font_size = 16;
font_buffer = font_16;
address = (caddr_t)VIDEOMEM;
break;
}
bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size),
cursor, font_size);
for (i=0; i<32; i++)
if ((i >= scp->cursor_start && i <= scp->cursor_end) ||
(scp->cursor_start >= font_size && i == font_size - 1))
cursor[i] = 0xff;
else
cursor[i] = 0x00;
cursor[i] |= 0xff;
while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
set_font_mode();
bcopy(cursor, (char *)pa_to_va(address) + 0x07 * 32, 32);
set_normal_mode();
@ -2914,13 +2921,13 @@ draw_mouse_image(scr_stat *scp)
font_size = 8;
font_buffer = font_8;
yoffset = scp->mouse_ypos % 8;
address = (caddr_t)VIDEOMEM+0x8000;
address = (caddr_t)VIDEOMEM + 0x8000;
break;
case FONT_14:
font_size = 14;
font_buffer = font_14;
yoffset = scp->mouse_ypos % 14;
address = (caddr_t)VIDEOMEM+0x4000;
address = (caddr_t)VIDEOMEM + 0x4000;
break;
case FONT_16:
font_size = 16;
@ -2930,13 +2937,13 @@ draw_mouse_image(scr_stat *scp)
break;
}
bcopyw(font_buffer+((*(scp->mouse_pos) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size),
&scp->mouse_cursor[0], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+1) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size),
&scp->mouse_cursor[32], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+scp->xsize) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size),
&scp->mouse_cursor[64], font_size);
bcopyw(font_buffer+((*(scp->mouse_pos+scp->xsize+1) & 0xff)*font_size),
bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size),
&scp->mouse_cursor[96], font_size);
for (i=0; i<font_size; i++) {

3
sys/isa/syscons.h
View file

@ -52,6 +52,7 @@
#define CURSOR_SHOWN 0x00400
#define MOUSE_ENABLED 0x00800
#define UPDATE_MOUSE 0x01000
#define UPDATE_SCREEN 0x02000
/* configuration flags */
#define VISUAL_BELL 0x00001
@ -198,7 +199,7 @@ 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_size(scr_stat *scp);
static void set_destructive_cursor(scr_stat *scp);
static void draw_mouse_image(scr_stat *scp);
static void save_palette(void);
void load_palette(void);