#include "com32io.h"
#include "syslnx.h"
-com32sys_t inreg,outreg; // Global register sets for use
+com32sys_t inreg, outreg; // Global register sets for use
/* Print character and attribute at cursor */
-void cprint(char chr,char attr,unsigned int times,char disppage)
+void cprint(char chr, char attr, unsigned int times, char disppage)
{
REG_AH(inreg) = 0x09;
REG_AL(inreg) = chr;
REG_BH(inreg) = disppage;
REG_BL(inreg) = attr;
REG_CX(inreg) = times;
- __intcall(0x10,&inreg,&outreg);
+ __intcall(0x10, &inreg, &outreg);
}
-void setdisppage(char num) // Set the display page to specified number
+void setdisppage(char num) // Set the display page to specified number
{
REG_AH(inreg) = 0x05;
REG_AL(inreg) = num;
- __intcall(0x10,&inreg,&outreg);
+ __intcall(0x10, &inreg, &outreg);
}
-char getdisppage() // Get current display page
+char getdisppage() // Get current display page
{
REG_AH(inreg) = 0x0f;
- __intcall(0x10,&inreg,&outreg);
+ __intcall(0x10, &inreg, &outreg);
return REG_BH(outreg);
}
-void getpos(char * row, char * col, char page)
+void getpos(char *row, char *col, char page)
{
- REG_AH(inreg) = 0x03;
- REG_BH(inreg) = page;
- __intcall(0x10,&inreg,&outreg);
- *row = REG_DH(outreg);
- *col = REG_DL(outreg);
+ REG_AH(inreg) = 0x03;
+ REG_BH(inreg) = page;
+ __intcall(0x10, &inreg, &outreg);
+ *row = REG_DH(outreg);
+ *col = REG_DL(outreg);
}
-void gotoxy(char row,char col, char page)
+void gotoxy(char row, char col, char page)
{
- REG_AH(inreg) = 0x02;
- REG_BH(inreg) = page;
- REG_DX(inreg) = (row << 8)+col;
- __intcall(0x10,&inreg,&outreg);
+ REG_AH(inreg) = 0x02;
+ REG_BH(inreg) = page;
+ REG_DX(inreg) = (row << 8) + col;
+ __intcall(0x10, &inreg, &outreg);
}
unsigned char sleep(unsigned int msec)
{
- unsigned long micro = 1000*msec;
+ unsigned long micro = 1000 * msec;
- REG_AH(inreg) = 0x86;
- REG_CX(inreg) = (micro >> 16);
- REG_DX(inreg) = (micro & 0xFFFF);
- __intcall(0x15,&inreg,&outreg);
- return REG_AH(outreg);
+ REG_AH(inreg) = 0x86;
+ REG_CX(inreg) = (micro >> 16);
+ REG_DX(inreg) = (micro & 0xFFFF);
+ __intcall(0x15, &inreg, &outreg);
+ return REG_AH(outreg);
}
void beep()
{
- REG_AH(inreg) = 0x0E;
- REG_AL(inreg) = 0x07;
- REG_BH(inreg) = 0;
- __intcall(0x10,&inreg,&outreg);
+ REG_AH(inreg) = 0x0E;
+ REG_AL(inreg) = 0x07;
+ REG_BH(inreg) = 0;
+ __intcall(0x10, &inreg, &outreg);
}
-void scrollupwindow(char top, char left, char bot, char right, char attr,char numlines)
+void scrollupwindow(char top, char left, char bot, char right, char attr,
+ char numlines)
{
- REG_AH(inreg) = 0x06;
- REG_AL(inreg) = numlines;
- REG_BH(inreg) = attr; // Attribute to write blanks lines
- REG_DX(inreg) = (bot << 8) + right; // BOT RIGHT corner of window
- REG_CX(inreg) = (top << 8) + left; // TOP LEFT of window
- __intcall(0x10,&inreg,&outreg);
+ REG_AH(inreg) = 0x06;
+ REG_AL(inreg) = numlines;
+ REG_BH(inreg) = attr; // Attribute to write blanks lines
+ REG_DX(inreg) = (bot << 8) + right; // BOT RIGHT corner of window
+ REG_CX(inreg) = (top << 8) + left; // TOP LEFT of window
+ __intcall(0x10, &inreg, &outreg);
}
-char inputc(char * scancode)
+char inputc(char *scancode)
{
- syslinux_idle(); /* So syslinux can perform periodic activity */
- REG_AH(inreg) = 0x10;
- __intcall(0x16,&inreg,&outreg);
- if (scancode) *scancode = REG_AH(outreg);
- return REG_AL(outreg);
+ syslinux_idle(); /* So syslinux can perform periodic activity */
+ REG_AH(inreg) = 0x10;
+ __intcall(0x16, &inreg, &outreg);
+ if (scancode)
+ *scancode = REG_AH(outreg);
+ return REG_AL(outreg);
}
void getcursorshape(char *start, char *end)
{
- char page = getdisppage();
- REG_AH(inreg) = 0x03;
- REG_BH(inreg) = page;
- __intcall(0x10,&inreg,&outreg);
- *start = REG_CH(outreg);
- *end = REG_CL(outreg);
+ char page = getdisppage();
+ REG_AH(inreg) = 0x03;
+ REG_BH(inreg) = page;
+ __intcall(0x10, &inreg, &outreg);
+ *start = REG_CH(outreg);
+ *end = REG_CL(outreg);
}
void setcursorshape(char start, char end)
{
- REG_AH(inreg) = 0x01;
- REG_CH(inreg) = start;
- REG_CL(inreg) = end;
- __intcall(0x10,&inreg,&outreg);
+ REG_AH(inreg) = 0x01;
+ REG_CH(inreg) = start;
+ REG_CL(inreg) = end;
+ __intcall(0x10, &inreg, &outreg);
}
char getchar(void)
{
- REG_AH(inreg) = 0x08;
- __intcall(0x21,&inreg,&outreg);
- return REG_AL(outreg);
+ REG_AH(inreg) = 0x08;
+ __intcall(0x21, &inreg, &outreg);
+ return REG_AL(outreg);
}
void setvideomode(char mode)
{
- REG_AH(inreg) = 0x00;
- REG_AL(inreg) = mode;
- __intcall(0x10,&inreg,&outreg);
+ REG_AH(inreg) = 0x00;
+ REG_AL(inreg) = mode;
+ __intcall(0x10, &inreg, &outreg);
}
unsigned char checkkbdbuf()
{
- REG_AH(inreg) = 0x11;
- __intcall(0x16,&inreg,&outreg);
- return !(outreg.eflags.l & EFLAGS_ZF);
+ REG_AH(inreg) = 0x11;
+ __intcall(0x16, &inreg, &outreg);
+ return !(outreg.eflags.l & EFLAGS_ZF);
}
// Get char displayed at current position
unsigned char getcharat(char page)
{
- REG_AH(inreg) = 0x08;
- REG_BH(inreg) = page;
- __intcall(0x16,&inreg,&outreg);
- return REG_AL(outreg);
+ REG_AH(inreg) = 0x08;
+ REG_BH(inreg) = page;
+ __intcall(0x16, &inreg, &outreg);
+ return REG_AL(outreg);
}