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