mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2025-01-11 17:04:19 +01:00
Yeah I'm back hacking syscons !!
Add support for MODEX 320x240x256color with "unchained" adressing, giving access to all 256K on all VGA's, those with that much memory that is :) Also make sysmouse use the right resolution in graphics modes.
This commit is contained in:
Søren Schmidt
parent
90405c80e1
commit
a1af9248eb
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=27990
@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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* $Id: console.h,v 1.29 1997/02/22 09:34:02 peter Exp $
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*/
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#ifndef _MACHINE_CONSOLE_H_
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@ -312,6 +312,8 @@ typedef struct ssaver ssaver_t;
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#define M_VGA_M80x30 33 /* vga 8x16 font on color */
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#define M_VGA_C80x60 34 /* vga 8x8 font on color */
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#define M_VGA_M80x60 35 /* vga 8x8 font on color */
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#define M_VGA_CG640 36 /* vga 640x400 256 color */
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#define M_VGA_MODEX 37 /* vga 320x240 256 color */
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#define M_ENH_B80x43 0x70 /* ega black & white 80x43 */
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#define M_ENH_C80x43 0x71 /* ega color 80x43 */
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@ -360,6 +362,8 @@ typedef struct ssaver ssaver_t;
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#define SW_CG640x480 _IO('S', M_VGA12)
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#define SW_VGA13 _IO('S', M_VGA13)
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#define SW_VGA_CG320 _IO('S', M_VGA13)
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#define SW_VGA_CG640 _IO('S', M_VGA_CG640)
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#define SW_VGA_MODEX _IO('S', M_VGA_MODEX)
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#endif /* PC98 */
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#endif /* !_MACHINE_CONSOLE_H_ */
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: syscons.c,v 1.227 1997/07/25 11:53:30 phk Exp $
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* $Id: syscons.c,v 1.228 1997/07/26 07:58:29 phk Exp $
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*/
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#include "sc.h"
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@ -1219,6 +1219,24 @@ scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
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}
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return 0;
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case SW_VGA_MODEX:
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if (!crtc_vga || video_mode_ptr == NULL)
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return ENXIO;
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scp->mode = cmd & 0xFF;
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if (scp == cur_console)
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set_mode(scp);
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scp->status |= UNKNOWN_MODE; /* graphics mode */
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/* clear_graphics();*/
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scp->xpixel = 320;
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scp->ypixel = 240;
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if (tp->t_winsize.ws_xpixel != scp->xpixel
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|| tp->t_winsize.ws_ypixel != scp->ypixel) {
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tp->t_winsize.ws_xpixel = scp->xpixel;
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tp->t_winsize.ws_ypixel = scp->ypixel;
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pgsignal(tp->t_pgrp, SIGWINCH, 1);
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}
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return 0;
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case VT_SETMODE: /* set screen switcher mode */
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{
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struct vt_mode *mode;
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@ -3498,12 +3516,40 @@ setup_mode:
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mark_all(scp);
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break;
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case M_VGA_MODEX:
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/* start out with std 320x200x256 mode */
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bcopy(video_mode_ptr+(64*M_VGA_CG320), &special_modetable, 64);
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/* "unchain" the VGA mode */
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special_modetable[5-1+0x04] &= 0xf7;
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special_modetable[5-1+0x04] |= 0x04;
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/* turn off doubleword mode */
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special_modetable[10+0x14] &= 0xbf;
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/* turn off word adressing */
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special_modetable[10+0x17] |= 0x40;
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/* set logical screen width */
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special_modetable[10+0x13] = 80;
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/* set 240 lines */
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special_modetable[10+0x11] = 0x2c;
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special_modetable[10+0x06] = 0x0d;
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special_modetable[10+0x07] = 0x3e;
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special_modetable[10+0x10] = 0xea;
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special_modetable[10+0x11] = 0xac;
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special_modetable[10+0x12] = 0xdf;
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special_modetable[10+0x15] = 0xe7;
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special_modetable[10+0x16] = 0x06;
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/* set vertical sync polarity to reflect aspect ratio */
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special_modetable[9] = 0xe3;
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modetable = special_modetable;
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goto setup_grmode;
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case M_BG320: case M_CG320: case M_BG640:
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case M_CG320_D: case M_CG640_E:
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case M_CG640x350: case M_ENH_CG640:
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case M_BG640x480: case M_CG640x480: case M_VGA_CG320:
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set_vgaregs(video_mode_ptr + (scp->mode * 64));
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modetable = video_mode_ptr + (scp->mode * 64);
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setup_grmode:
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set_vgaregs(modetable);
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scp->font_size = FONT_NONE;
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break;
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@ -3862,14 +3908,18 @@ set_mouse_pos(scr_stat *scp)
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scp->mouse_xpos = 0;
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if (scp->mouse_ypos < 0)
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scp->mouse_ypos = 0;
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if (scp->status & UNKNOWN_MODE) {
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if (scp->mouse_xpos > scp->xpixel)
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scp->mouse_xpos = scp->xpixel-1;
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if (scp->mouse_ypos > scp->ypixel)
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scp->mouse_ypos = scp->ypixel-1;
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return;
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}
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if (scp->mouse_xpos > (scp->xsize*8)-2)
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scp->mouse_xpos = (scp->xsize*8)-2;
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if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2)
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scp->mouse_ypos = (scp->ysize*scp->font_size)-2;
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if (scp->status & UNKNOWN_MODE)
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return;
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if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) {
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scp->status |= MOUSE_MOVED;
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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* $Id: console.h,v 1.29 1997/02/22 09:34:02 peter Exp $
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*/
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#ifndef _MACHINE_CONSOLE_H_
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@ -312,6 +312,8 @@ typedef struct ssaver ssaver_t;
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#define M_VGA_M80x30 33 /* vga 8x16 font on color */
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#define M_VGA_C80x60 34 /* vga 8x8 font on color */
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#define M_VGA_M80x60 35 /* vga 8x8 font on color */
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#define M_VGA_CG640 36 /* vga 640x400 256 color */
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#define M_VGA_MODEX 37 /* vga 320x240 256 color */
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#define M_ENH_B80x43 0x70 /* ega black & white 80x43 */
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#define M_ENH_C80x43 0x71 /* ega color 80x43 */
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@ -360,6 +362,8 @@ typedef struct ssaver ssaver_t;
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#define SW_CG640x480 _IO('S', M_VGA12)
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#define SW_VGA13 _IO('S', M_VGA13)
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#define SW_VGA_CG320 _IO('S', M_VGA13)
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#define SW_VGA_CG640 _IO('S', M_VGA_CG640)
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#define SW_VGA_MODEX _IO('S', M_VGA_MODEX)
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#endif /* PC98 */
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#endif /* !_MACHINE_CONSOLE_H_ */
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: syscons.c,v 1.227 1997/07/25 11:53:30 phk Exp $
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* $Id: syscons.c,v 1.228 1997/07/26 07:58:29 phk Exp $
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*/
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#include "sc.h"
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@ -1219,6 +1219,24 @@ scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
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}
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return 0;
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case SW_VGA_MODEX:
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if (!crtc_vga || video_mode_ptr == NULL)
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return ENXIO;
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scp->mode = cmd & 0xFF;
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if (scp == cur_console)
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set_mode(scp);
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scp->status |= UNKNOWN_MODE; /* graphics mode */
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/* clear_graphics();*/
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scp->xpixel = 320;
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scp->ypixel = 240;
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if (tp->t_winsize.ws_xpixel != scp->xpixel
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|| tp->t_winsize.ws_ypixel != scp->ypixel) {
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tp->t_winsize.ws_xpixel = scp->xpixel;
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tp->t_winsize.ws_ypixel = scp->ypixel;
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pgsignal(tp->t_pgrp, SIGWINCH, 1);
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}
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return 0;
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case VT_SETMODE: /* set screen switcher mode */
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{
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struct vt_mode *mode;
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@ -3498,12 +3516,40 @@ setup_mode:
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mark_all(scp);
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break;
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case M_VGA_MODEX:
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/* start out with std 320x200x256 mode */
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bcopy(video_mode_ptr+(64*M_VGA_CG320), &special_modetable, 64);
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/* "unchain" the VGA mode */
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special_modetable[5-1+0x04] &= 0xf7;
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special_modetable[5-1+0x04] |= 0x04;
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/* turn off doubleword mode */
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special_modetable[10+0x14] &= 0xbf;
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/* turn off word adressing */
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special_modetable[10+0x17] |= 0x40;
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/* set logical screen width */
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special_modetable[10+0x13] = 80;
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/* set 240 lines */
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special_modetable[10+0x11] = 0x2c;
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special_modetable[10+0x06] = 0x0d;
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special_modetable[10+0x07] = 0x3e;
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special_modetable[10+0x10] = 0xea;
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special_modetable[10+0x11] = 0xac;
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special_modetable[10+0x12] = 0xdf;
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special_modetable[10+0x15] = 0xe7;
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special_modetable[10+0x16] = 0x06;
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/* set vertical sync polarity to reflect aspect ratio */
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special_modetable[9] = 0xe3;
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modetable = special_modetable;
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goto setup_grmode;
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case M_BG320: case M_CG320: case M_BG640:
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case M_CG320_D: case M_CG640_E:
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case M_CG640x350: case M_ENH_CG640:
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case M_BG640x480: case M_CG640x480: case M_VGA_CG320:
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set_vgaregs(video_mode_ptr + (scp->mode * 64));
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modetable = video_mode_ptr + (scp->mode * 64);
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setup_grmode:
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set_vgaregs(modetable);
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scp->font_size = FONT_NONE;
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break;
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@ -3862,14 +3908,18 @@ set_mouse_pos(scr_stat *scp)
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scp->mouse_xpos = 0;
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if (scp->mouse_ypos < 0)
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scp->mouse_ypos = 0;
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if (scp->status & UNKNOWN_MODE) {
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if (scp->mouse_xpos > scp->xpixel)
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scp->mouse_xpos = scp->xpixel-1;
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if (scp->mouse_ypos > scp->ypixel)
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scp->mouse_ypos = scp->ypixel-1;
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return;
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}
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if (scp->mouse_xpos > (scp->xsize*8)-2)
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scp->mouse_xpos = (scp->xsize*8)-2;
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if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2)
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scp->mouse_ypos = (scp->ysize*scp->font_size)-2;
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if (scp->status & UNKNOWN_MODE)
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return;
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if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) {
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scp->status |= MOUSE_MOVED;
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: syscons.c,v 1.227 1997/07/25 11:53:30 phk Exp $
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* $Id: syscons.c,v 1.228 1997/07/26 07:58:29 phk Exp $
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*/
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#include "sc.h"
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@ -1219,6 +1219,24 @@ scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
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}
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return 0;
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case SW_VGA_MODEX:
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if (!crtc_vga || video_mode_ptr == NULL)
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return ENXIO;
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scp->mode = cmd & 0xFF;
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if (scp == cur_console)
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set_mode(scp);
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scp->status |= UNKNOWN_MODE; /* graphics mode */
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/* clear_graphics();*/
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scp->xpixel = 320;
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scp->ypixel = 240;
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if (tp->t_winsize.ws_xpixel != scp->xpixel
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|| tp->t_winsize.ws_ypixel != scp->ypixel) {
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tp->t_winsize.ws_xpixel = scp->xpixel;
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tp->t_winsize.ws_ypixel = scp->ypixel;
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pgsignal(tp->t_pgrp, SIGWINCH, 1);
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}
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return 0;
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case VT_SETMODE: /* set screen switcher mode */
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{
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struct vt_mode *mode;
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@ -3498,12 +3516,40 @@ setup_mode:
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mark_all(scp);
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break;
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case M_VGA_MODEX:
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/* start out with std 320x200x256 mode */
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bcopy(video_mode_ptr+(64*M_VGA_CG320), &special_modetable, 64);
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/* "unchain" the VGA mode */
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special_modetable[5-1+0x04] &= 0xf7;
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special_modetable[5-1+0x04] |= 0x04;
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/* turn off doubleword mode */
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special_modetable[10+0x14] &= 0xbf;
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/* turn off word adressing */
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special_modetable[10+0x17] |= 0x40;
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/* set logical screen width */
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special_modetable[10+0x13] = 80;
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/* set 240 lines */
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special_modetable[10+0x11] = 0x2c;
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special_modetable[10+0x06] = 0x0d;
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special_modetable[10+0x07] = 0x3e;
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special_modetable[10+0x10] = 0xea;
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special_modetable[10+0x11] = 0xac;
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special_modetable[10+0x12] = 0xdf;
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special_modetable[10+0x15] = 0xe7;
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special_modetable[10+0x16] = 0x06;
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/* set vertical sync polarity to reflect aspect ratio */
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special_modetable[9] = 0xe3;
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modetable = special_modetable;
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goto setup_grmode;
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case M_BG320: case M_CG320: case M_BG640:
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case M_CG320_D: case M_CG640_E:
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case M_CG640x350: case M_ENH_CG640:
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case M_BG640x480: case M_CG640x480: case M_VGA_CG320:
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set_vgaregs(video_mode_ptr + (scp->mode * 64));
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modetable = video_mode_ptr + (scp->mode * 64);
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setup_grmode:
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set_vgaregs(modetable);
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scp->font_size = FONT_NONE;
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break;
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@ -3862,14 +3908,18 @@ set_mouse_pos(scr_stat *scp)
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scp->mouse_xpos = 0;
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if (scp->mouse_ypos < 0)
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scp->mouse_ypos = 0;
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if (scp->status & UNKNOWN_MODE) {
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if (scp->mouse_xpos > scp->xpixel)
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scp->mouse_xpos = scp->xpixel-1;
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if (scp->mouse_ypos > scp->ypixel)
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scp->mouse_ypos = scp->ypixel-1;
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return;
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}
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if (scp->mouse_xpos > (scp->xsize*8)-2)
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scp->mouse_xpos = (scp->xsize*8)-2;
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if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2)
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scp->mouse_ypos = (scp->ysize*scp->font_size)-2;
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if (scp->status & UNKNOWN_MODE)
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return;
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if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) {
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scp->status |= MOUSE_MOVED;
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