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#include "dos.h" /* AN000 */
#include "fdisk.h" /* AN000 */
#include "extern.h" /* AN000 */
#include "doscall.h" /* AN000 */
#include "fdiskmsg.h" /* AN000 */
#include "subtype.h"
/* */
void clear_screen(TopRow,LeftCol,BotRow,RightCol)
unsigned TopRow;
unsigned LeftCol;
unsigned BotRow;
unsigned RightCol;
BEGIN
char attribute;
char *attribute_ptr = &attribute;
if (mono_flag == TRUE) /* AN006 */
attribute = GRAY_ON_BLACK; /* AN006 */
else /* AN006 */
attribute = WHITE_ON_BLUE; /* AC000 */
VIOSCROLLUP(TopRow,LeftCol,BotRow,RightCol,u(0),attribute_ptr,u(0)); /* AC000 */
return;
END
/* */
/* */
/****************************************************************************/
/* Initializes the screen and stores the lower right hand corner */
/* of the screen in the global variable LowerRightHandCorner. This */
/* is which is used for screen clears. If the screen is in grahpics mode, */
/* it is changed to BW 40x25. This procedure is only called once at program*/
/* start. Also saves the current screen */
/****************************************************************************/
/* */
void init_video_information()
BEGIN
mono_flag = FALSE; /* AN006 */
/* Get the current video state */
regs.h.ah = uc(CURRENT_VIDEO_STATE); /* AC000 */
int86((int)VIDEO,®s,®s); /* AC000 */
/* Save the mode and display page */
video_mode = regs.h.al;
display_page = regs.h.bh;
get_video_attribute(); /* AN006 */
BEGIN
/* assume color mode */
regs.h.al = uc(Color80_25); /* AC000 */
/* See if we are in MONOCHROME mode */
if ((video_mode == uc(MONO80_25)) || (video_mode == uc(MONO80_25A))) /* AC000 AC006 */
BEGIN
/* Nope,set to BW80x25*/
regs.h.al = uc(BW80_25); /* AC000 */
mono_flag = TRUE; /* AN006 */
END
/* go set the new mode */
regs.h.ah = uc(SET_MODE); /* AC000 */
int86((int)VIDEO,®s,®s); /* AC000 */
END
/* Set the display page */
regs.h.ah = uc(SET_ACTIVE_DISPLAY_PAGE); /* AC000 */
regs.h.al = uc(0); /* AC000 */
int86((int)VIDEO,®s,®s); /* AC000 */
return;
END
/* */
/* */
/* Resets the video mode to the original value */
/* */
void reset_video_information()
BEGIN
char *attribute_ptr = &video_attribute; /* AN006 */
/* Clear display with colors that were present when FDISK was invoked */
VIOSCROLLUP(u(0),u(0),u(24),u(79),u(0),attribute_ptr,u(0)); /* AN006 */
/* Reset the video mode */
regs.h.ah = SET_MODE;
regs.h.al = video_mode;
int86((int)VIDEO,®s,®s); /* AC000 */
/* Set the page */
regs.h.ah = SET_PAGE;
regs.h.al = display_page;
int86((int)VIDEO,®s,®s); /* AC000 */
return;
END
/******************************************************************************/
/*Routine name: GET_VIDEO_ATTRIBUTE */
/******************************************************************************/
/* */
/*Description: This routine will invoke interrupt 10 function 08h to */
/* get the current attributes at the cursor postition in order */
/* to restore the correct colors when returning out of FDISK. */
/* */
/*Called Procedures: none */
/* */
/* */
/*Change History: Created 3/11/88 DRM */
/* */
/*Input: None */
/* */
/*Output: None */
/* */
/******************************************************************************/
void get_video_attribute() /* AN006 */
BEGIN /* AN006 */
/* Get current attributes */
regs.h.ah = CURRENT_VIDEO_ATTRIBUTE; /* AN006 */
regs.h.bh = display_page; /* AN006 */
int86((int)VIDEO,®s,®s); /* AN006 */
video_attribute = regs.h.ah; /* AN006 */
return; /* AN006 */
END /* AN006 */
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