payloads/libpayload/curses/PDCurses/dos/pdcdos.h

   1 /* Public Domain Curses */
   2
   3 /* $Id: pdcdos.h,v 1.30 2008/07/13 16:08:17 wmcbrine Exp $ */
   4
   5 #include <curspriv.h>
   6 #include <string.h>
   7
   8 #if defined(_MSC_VER) || defined(_QC)
   9 # define MSC 1
  10 #endif
  11
  12 #if defined(__PACIFIC__) && !defined(__SMALL__)
  13 # define __SMALL__
  14 #endif
  15
  16 #if defined(__HIGHC__) || MSC
  17 # include <bios.h>
  18 #endif
  19
  20 /*----------------------------------------------------------------------
  21  *  MEMORY MODEL SUPPORT:
  22  *
  23  *  MODELS
  24  *    TINY    cs,ds,ss all in 1 segment (not enough memory!)
  25  *    SMALL   cs:1 segment, ds:1 segment
  26  *    MEDIUM  cs:many segments, ds:1 segment
  27  *    COMPACT cs:1 segment, ds:many segments
  28  *    LARGE   cs:many segments, ds:many segments
  29  *    HUGE    cs:many segments, ds:segments > 64K
  30  */
  31
  32 #ifdef __TINY__
  33 # define SMALL 1
  34 #endif
  35 #ifdef __SMALL__
  36 # define SMALL 1
  37 #endif
  38 #ifdef __MEDIUM__
  39 # define MEDIUM 1
  40 #endif
  41 #ifdef __COMPACT__
  42 # define COMPACT 1
  43 #endif
  44 #ifdef __LARGE__
  45 # define LARGE 1
  46 #endif
  47 #ifdef __HUGE__
  48 # define HUGE 1
  49 #endif
  50
  51 #include <dos.h>
  52
  53 extern unsigned char *pdc_atrtab;
  54 extern int pdc_adapter;
  55 extern int pdc_scrnmode;
  56 extern int pdc_font;
  57 extern bool pdc_direct_video;
  58 extern bool pdc_bogus_adapter;
  59 extern unsigned pdc_video_seg;
  60 extern unsigned pdc_video_ofs;
  61
  62 #ifdef __DJGPP__        /* Note: works only in plain DOS... */
  63 # if DJGPP == 2
  64 #  define _FAR_POINTER(s,o) ((((int)(s)) << 4) + ((int)(o)))
  65 # else
  66 #  define _FAR_POINTER(s,o) (0xe0000000 + (((int)(s)) << 4) + ((int)(o)))
  67 # endif
  68 # define _FP_SEGMENT(p)     (unsigned short)((((long)p) >> 4) & 0xffff)
  69 #else
  70 # ifdef __TURBOC__
  71 #  define _FAR_POINTER(s,o) MK_FP(s,o)
  72 # else
  73 #  if defined(__WATCOMC__) && defined(__FLAT__)
  74 #   define _FAR_POINTER(s,o) ((((int)(s)) << 4) + ((int)(o)))
  75 #  else
  76 #   define _FAR_POINTER(s,o) (((long)s << 16) | (long)o)
  77 #  endif
  78 # endif
  79 # define _FP_SEGMENT(p)     (unsigned short)(((long)p) >> 4)
  80 #endif
  81 #define _FP_OFFSET(p)       ((unsigned short)p & 0x000f)
  82
  83 #ifdef __DJGPP__
  84 # include <sys/movedata.h>
  85 unsigned char getdosmembyte(int offs);
  86 unsigned short getdosmemword(int offs);
  87 unsigned long getdosmemdword(int offs);
  88 void setdosmembyte(int offs, unsigned char b);
  89 void setdosmemword(int offs, unsigned short w);
  90 #else
  91 # if SMALL || MEDIUM || MSC
  92 #  define PDC_FAR far
  93 # else
  94 #  define PDC_FAR
  95 # endif
  96 # define getdosmembyte(offs) \
  97     (*((unsigned char PDC_FAR *) _FAR_POINTER(0,offs)))
  98 # define getdosmemword(offs) \
  99     (*((unsigned short PDC_FAR *) _FAR_POINTER(0,offs)))
 100 # define getdosmemdword(offs) \
 101     (*((unsigned long PDC_FAR *) _FAR_POINTER(0,offs)))
 102 # define setdosmembyte(offs,x) \
 103     (*((unsigned char PDC_FAR *) _FAR_POINTER(0,offs)) = (x))
 104 # define setdosmemword(offs,x) \
 105     (*((unsigned short PDC_FAR *) _FAR_POINTER(0,offs)) = (x))
 106 #endif
 107
 108 #if defined(__WATCOMC__) && defined(__386__)
 109
 110 typedef union
 111 {
 112     struct
 113     {
 114         unsigned long edi, esi, ebp, res, ebx, edx, ecx, eax;
 115     } d;
 116
 117     struct
 118     {
 119         unsigned short di, di_hi, si, si_hi, bp, bp_hi, res, res_hi,
 120                        bx, bx_hi, dx, dx_hi, cx, cx_hi, ax, ax_hi,
 121                        flags, es, ds, fs, gs, ip, cs, sp, ss;
 122     } w;
 123
 124     struct
 125     {
 126         unsigned char edi[4], esi[4], ebp[4], res[4],
 127                       bl, bh, ebx_b2, ebx_b3, dl, dh, edx_b2, edx_b3,
 128                       cl, ch, ecx_b2, ecx_b3, al, ah, eax_b2, eax_b3;
 129     } h;
 130 } pdc_dpmi_regs;
 131
 132 void PDC_dpmi_int(int, pdc_dpmi_regs *);
 133
 134 #endif
 135
 136 #ifdef __DJGPP__
 137 # include <dpmi.h>
 138 # define PDCREGS __dpmi_regs
 139 # define PDCINT(vector, regs) __dpmi_int(vector, &regs)
 140 #else
 141 # ifdef __WATCOMC__
 142 #  ifdef __386__
 143 #   define PDCREGS pdc_dpmi_regs
 144 #   define PDCINT(vector, regs) PDC_dpmi_int(vector, &regs)
 145 #  else
 146 #   define PDCREGS union REGPACK
 147 #   define PDCINT(vector, regs) intr(vector, &regs)
 148 #  endif
 149 # else
 150 #  define PDCREGS union REGS
 151 #  define PDCINT(vector, regs) int86(vector, &regs, &regs)
 152 # endif
 153 #endif
 154
 155 /* Wide registers in REGS: w or x? */
 156
 157 #ifdef __WATCOMC__
 158 # define W w
 159 #else
 160 # define W x
 161 #endif
 162
 163 /* Monitor (terminal) type information */
 164
 165 enum
 166 {
 167     _NONE, _MDA, _CGA,
 168     _EGACOLOR = 0x04, _EGAMONO,
 169     _VGACOLOR = 0x07, _VGAMONO,
 170     _MCGACOLOR = 0x0a, _MCGAMONO,
 171     _MDS_GENIUS = 0x30
 172 };
 173
 174 /* Text-mode font size information */
 175
 176 enum
 177 {
 178     _FONT8 = 8,
 179     _FONT14 = 14,
 180     _FONT15,    /* GENIUS */
 181     _FONT16
 182 };
 183
 184 #ifdef __PACIFIC__
 185 void movedata(unsigned, unsigned, unsigned, unsigned, unsigned);
 186 #endif