diff options
Diffstat (limited to 'payloads/libpayload/curses/PDCurses/dos/pdcdisp.c')
| -rw-r--r-- | payloads/libpayload/curses/PDCurses/dos/pdcdisp.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/payloads/libpayload/curses/PDCurses/dos/pdcdisp.c b/payloads/libpayload/curses/PDCurses/dos/pdcdisp.c new file mode 100644 index 0000000000..d170cb175c --- /dev/null +++ b/payloads/libpayload/curses/PDCurses/dos/pdcdisp.c @@ -0,0 +1,158 @@ +/* Public Domain Curses */ + +#include "pdcdos.h" + +RCSID("$Id: pdcdisp.c,v 1.65 2008/07/13 16:08:17 wmcbrine Exp $") + +/* ACS definitions originally by jshumate@wrdis01.robins.af.mil -- these + match code page 437 and compatible pages (CP850, CP852, etc.) */ + +#ifdef CHTYPE_LONG + +# define A(x) ((chtype)x | A_ALTCHARSET) + +chtype acs_map[128] = +{ + A(0), A(1), A(2), A(3), A(4), A(5), A(6), A(7), A(8), A(9), A(10), + A(11), A(12), A(13), A(14), A(15), A(16), A(17), A(18), A(19), + A(20), A(21), A(22), A(23), A(24), A(25), A(26), A(27), A(28), + A(29), A(30), A(31), ' ', '!', '"', '#', '$', '%', '&', '\'', '(', + ')', '*', + + A(0x1a), A(0x1b), A(0x18), A(0x19), + + '/', + + 0xdb, + + '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', + '>', '?', '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', + 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', + 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', + + A(0x04), 0xb1, + + 'b', 'c', 'd', 'e', + + 0xf8, 0xf1, 0xb0, A(0x0f), 0xd9, 0xbf, 0xda, 0xc0, 0xc5, 0x2d, 0x2d, + 0xc4, 0x2d, 0x5f, 0xc3, 0xb4, 0xc1, 0xc2, 0xb3, 0xf3, 0xf2, 0xe3, + 0xd8, 0x9c, 0xf9, + + A(127) +}; + +# undef A + +#endif + +#ifdef __PACIFIC__ +void movedata(unsigned sseg, unsigned soff, unsigned dseg, + unsigned doff, unsigned n) +{ + far char *src = MK_FP(sseg, soff); + far char *dst = MK_FP(dseg, doff); + + while (n--) + *dst++ = *src++; +} +#endif + +/* position hardware cursor at (y, x) */ + +void PDC_gotoyx(int row, int col) +{ + PDCREGS regs; + + PDC_LOG(("PDC_gotoyx() - called: row %d col %d\n", row, col)); + + regs.h.ah = 0x02; + regs.h.bh = 0; + regs.h.dh = (unsigned char) row; + regs.h.dl = (unsigned char) col; + PDCINT(0x10, regs); +} + +/* update the given physical line to look like the corresponding line in + curscr */ + +void PDC_transform_line(int lineno, int x, int len, const chtype *srcp) +{ + int j; + + PDC_LOG(("PDC_transform_line() - called: line %d\n", lineno)); + + if (pdc_direct_video) + { +#if SMALL || MEDIUM +# ifndef __PACIFIC__ + struct SREGS segregs; +# endif + int ds; +#endif + /* this should be enough for the maximum width of a screen */ + + struct {unsigned char text, attr;} temp_line[256]; + + /* replace the attribute part of the chtype with the actual + color value for each chtype in the line */ + + for (j = 0; j < len; j++) + { + chtype ch = srcp[j]; + + temp_line[j].attr = pdc_atrtab[ch >> PDC_ATTR_SHIFT]; +#ifdef CHTYPE_LONG + if (ch & A_ALTCHARSET && !(ch & 0xff80)) + ch = acs_map[ch & 0x7f]; +#endif + temp_line[j].text = ch & 0xff; + } + +#ifdef __DJGPP__ + dosmemput(temp_line, len * 2, + (unsigned long)_FAR_POINTER(pdc_video_seg, + pdc_video_ofs + (lineno * curscr->_maxx + x) * 2)); +#else +# if SMALL || MEDIUM +# ifdef __PACIFIC__ + ds = FP_SEG((void far *) temp_line); +# else + segread(&segregs); + ds = segregs.ds; +# endif + movedata(ds, (int)temp_line, pdc_video_seg, + pdc_video_ofs + (lineno * curscr->_maxx + x) * 2, len * 2); +# else + memcpy((void *)_FAR_POINTER(pdc_video_seg, + pdc_video_ofs + (lineno * curscr->_maxx + x) * 2), + temp_line, len * 2); +# endif +#endif + + } + else + for (j = 0; j < len;) + { + PDCREGS regs; + unsigned short count = 1; + chtype ch = srcp[j]; + + while ((j + count < len) && (ch == srcp[j + count])) + count++; + + PDC_gotoyx(lineno, j + x); + + regs.h.ah = 0x09; + regs.W.bx = pdc_atrtab[ch >> PDC_ATTR_SHIFT]; + regs.W.cx = count; +#ifdef CHTYPE_LONG + if (ch & A_ALTCHARSET && !(ch & 0xff80)) + ch = acs_map[ch & 0x7f]; +#endif + regs.h.al = (unsigned char) (ch & 0xff); + + PDCINT(0x10, regs); + + j += count; + } +} |