]> 4ch.mooo.com Git - 16.git/blobdiff - src/lib/16_in_o.c
__seguse.txt added to show _seg usage also OpenVGMFile needs to be ported to 16_snd...
[16.git] / src / lib / 16_in_o.c
diff --git a/src/lib/16_in_o.c b/src/lib/16_in_o.c
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+/* Project 16 Source Code~\r
+ * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
+ *\r
+ * This file is part of Project 16.\r
+ *\r
+ * Project 16 is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 3 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Project 16 is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>, or\r
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
+ * Fifth Floor, Boston, MA 02110-1301 USA.\r
+ *\r
+ */\r
+//\r
+//     ID Engine\r
+//     ID_IN.c - Input Manager\r
+//     v1.0d1w\r
+//     By Jason Blochowiak\r
+//     Open Watcom port by sparky4\r
+//\r
+\r
+//\r
+//     This module handles dealing with the various input devices\r
+//\r
+//     Depends on: Memory Mgr (for demo recording), Sound Mgr (for timing stuff),\r
+//                             User Mgr (for command line parms)\r
+//\r
+//     Globals:\r
+//             LastScan - The keyboard scan code of the last key pressed\r
+//             LastASCII - The ASCII value of the last key pressed\r
+//     DEBUG - there are more globals\r
+//\r
+\r
+#include "src/lib/16_in.h"\r
+#pragma        hdrstop\r
+\r
+static word far* clockw= (word far*) 0x046C; /* 18.2hz clock */\r
+\r
+/*\r
+=============================================================================\r
+\r
+                                       GLOBAL VARIABLES\r
+\r
+=============================================================================\r
+*/\r
+struct inconfig\r
+{\r
+       boolean         MousePresent;\r
+       boolean         JoysPresent[MaxJoys];\r
+       boolean         Keyboard[NumCodes];\r
+       boolean         Paused;\r
+       char            LastASCII;\r
+       ScanCode        LastScan;\r
+\r
+       KeyboardDef     KbdDefs[MaxKbds];\r
+       JoystickDef     JoyDefs[MaxJoys];\r
+} inpu;\r
+\r
+//inpu.KbdDefs = {0x1d,0x38,/*0x47,*/0x48,/*0x49,*/0x4b,0x4d,/*0x4f,*/0x50/*,0x51*/};\r
+\r
+/*\r
+=============================================================================\r
+\r
+                                       LOCAL VARIABLES\r
+\r
+=============================================================================\r
+*/\r
+\r
+#ifdef __cplusplus             /* Function must be declared C style */\r
+extern "C" {\r
+#endif\r
+\r
+static struct instat {\r
+       boolean         IN_Started;\r
+       boolean         CapsLock;\r
+       ScanCode        CurCode,LastCode;\r
+} inst;\r
+\r
+static byte        far ASCIINames[] =          // Unshifted ASCII for scan codes\r
+                                       {\r
+//      0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
+       0  ,27 ,'1','2','3','4','5','6','7','8','9','0','-','=',8  ,9  ,        // 0\r
+       'q','w','e','r','t','y','u','i','o','p','[',']',13 ,0  ,'a','s',        // 1\r
+       'd','f','g','h','j','k','l',';',39 ,'`',0  ,92 ,'z','x','c','v',        // 2\r
+       'b','n','m',',','.','/',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
+       '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
+                                       },\r
+                                       far ShiftNames[] =              // Shifted ASCII for scan codes\r
+                                       {\r
+//      0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
+       0  ,27 ,'!','@','#','$','%','^','&','*','(',')','_','+',8  ,9  ,        // 0\r
+       'Q','W','E','R','T','Y','U','I','O','P','{','}',13 ,0  ,'A','S',        // 1\r
+       'D','F','G','H','J','K','L',':',34 ,'~',0  ,'|','Z','X','C','V',        // 2\r
+       'B','N','M','<','>','?',0  ,'*',0  ,' ',0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,'7','8','9','-','4','5','6','+','1',        // 4\r
+       '2','3','0',127,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
+                                       },\r
+                                       far SpecialNames[] =    // ASCII for 0xe0 prefixed codes\r
+                                       {\r
+//      0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 0\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,13 ,0  ,0  ,0  ,        // 1\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 2\r
+       0  ,0  ,0  ,0  ,0  ,'/',0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 3\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 4\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 5\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,        // 6\r
+       0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0  ,0           // 7\r
+                                       },\r
+                                       *ScanNames[] =          // Scan code names with single chars\r
+                                       {\r
+       "?","?","1","2","3","4","5","6","7","8","9","0","-","+","?","?",\r
+       "Q","W","E","R","T","Y","U","I","O","P","[","]","|","?","A","S",\r
+       "D","F","G","H","J","K","L",";","\"","?","?","?","Z","X","C","V",\r
+       "B","N","M",",",".","/","?","?","?","?","?","?","?","?","?","?",\r
+       "?","?","?","?","?","?","?","?","\xf","?","-","\x15","5","\x11","+","?",\r
+       "\x13","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
+       "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?",\r
+       "?","?","?","?","?","?","?","?","?","?","?","?","?","?","?","?"\r
+                                       },      // DEBUG - consolidate these\r
+                                       far ExtScanCodes[] =    // Scan codes with >1 char names\r
+                                       {\r
+       1,0xe,0xf,0x1d,0x2a,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,\r
+       0x3f,0x40,0x41,0x42,0x43,0x44,0x57,0x59,0x46,0x1c,0x36,\r
+       0x37,0x38,0x47,0x49,0x4f,0x51,0x52,0x53,0x45,0x48,\r
+       0x50,0x4b,0x4d,0x00\r
+                                       },\r
+                                       *ExtScanNames[] =       // Names corresponding to ExtScanCodes\r
+                                       {\r
+       "Esc","BkSp","Tab","Ctrl","LShft","Space","CapsLk","F1","F2","F3","F4",\r
+       "F5","F6","F7","F8","F9","F10","F11","F12","ScrlLk","Enter","RShft",\r
+       "PrtSc","Alt","Home","PgUp","End","PgDn","Ins","Del","NumLk","Up",\r
+       "Down","Left","Right",""\r
+                                       };\r
+\r
+static Direction       DirTable[] =            // Quick lookup for total direction\r
+                                       {\r
+                                               /*dir_NorthWest,        */dir_North,/*  dir_NorthEast,*/\r
+                                               dir_West,               dir_None,       dir_East,\r
+                                               /*dir_SouthWest,        */dir_South/*,  dir_SouthEast*/\r
+                                       };\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+static void                    (*INL_KeyHook)(void);\r
+static void interrupt  (*OldKeyVect)(void);\r
+static char                    *ParmStringsIN[] = {"nojoys","nomouse",nil};\r
+\r
+//     Internal routines\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_KeyService() - Handles a keyboard interrupt (key up/down)\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+/*static */void interrupt\r
+INL_KeyService(void)\r
+{\r
+static boolean special;\r
+               byte    k,c,\r
+                               temp;\r
+\r
+       k = inportb(0x60);      // Get the scan code\r
+\r
+       // Tell the XT keyboard controller to clear the key\r
+       outportb(0x61,(temp = inportb(0x61)) | 0x80);\r
+       outportb(0x61,temp);\r
+\r
+       if (k == 0xe0)          // Special key prefix\r
+               special = true;\r
+       else if (k == 0xe1)     // Handle Pause key\r
+               inpu.Paused = true;\r
+       else\r
+       {\r
+               if (k & 0x80)   // Break code\r
+               {\r
+                       k &= 0x7f;\r
+\r
+// DEBUG - handle special keys: ctl-alt-delete, print scrn\r
+\r
+                       inpu.Keyboard[k] = false;\r
+               }\r
+               else                    // Make code\r
+               {\r
+                       inst.LastCode = inst.CurCode;\r
+                       inst.CurCode = inpu.LastScan = k;\r
+                       inpu.Keyboard[k] = true;\r
+\r
+                       if (special)\r
+                               c = SpecialNames[k];\r
+                       else\r
+                       {\r
+                               if (k == sc_CapsLock)\r
+                               {\r
+                                       inst.CapsLock ^= true;\r
+                                       // DEBUG - make caps lock light work\r
+                               }\r
+\r
+                               if (inpu.Keyboard[sc_LShift] || inpu.Keyboard[sc_RShift])       // If shifted\r
+                               {\r
+                                       c = ShiftNames[k];\r
+                                       if ((c >= 'A') && (c <= 'Z') && inst.CapsLock)\r
+                                               c += 'a' - 'A';\r
+                               }\r
+                               else\r
+                               {\r
+                                       c = ASCIINames[k];\r
+                                       if ((c >= 'a') && (c <= 'z') && inst.CapsLock)\r
+                                               c -= 'a' - 'A';\r
+                               }\r
+                       }\r
+                       if (c)\r
+                               inpu.LastASCII = c;\r
+               }\r
+\r
+               special = false;\r
+       }\r
+\r
+       if (INL_KeyHook && !special)\r
+               INL_KeyHook();\r
+#ifdef __DEBUG_InputMgr__\r
+       if(dbg_testkeyin > 0) printf("%c        %u      [0x%x %u]       %u\n", c, c, k, k, inpu.Keyboard[k]);\r
+#endif\r
+       outportb(0x20,0x20);\r
+}\r
+\r
+void INL_Mouse(int x)\r
+{\r
+       //union REGS CPURegs;\r
+       //x = CPURegs.x.ax;\r
+       __asm {\r
+               mov     ax,x\r
+               int     MouseInt\r
+       }\r
+       //int86(MouseInt,&CPURegs,&CPURegs);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_GetMouseDelta() - Gets the amount that the mouse has moved from the\r
+//             mouse driver\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static void\r
+INL_GetMouseDelta(int *x,int *y)\r
+{\r
+       union REGS CPURegs;\r
+       Mouse(MDelta);\r
+       *x = CPURegs.x.cx;\r
+       *y = CPURegs.x.dx;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_GetMouseButtons() - Gets the status of the mouse buttons from the\r
+//             mouse driver\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static word\r
+INL_GetMouseButtons(void)\r
+{\r
+       union REGS CPURegs;\r
+       word    buttons;\r
+\r
+       Mouse(MButtons);\r
+       buttons = CPURegs.x.bx;\r
+       return(buttons);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_GetJoyAbs() - Reads the absolute position of the specified joystick\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_GetJoyAbs(word joy,word *xp,word *yp)\r
+{\r
+       byte    xb,yb,\r
+                       xs,ys;\r
+       word    x,y;\r
+\r
+       x = y = 0;\r
+       xs = joy? 2 : 0;                // Find shift value for x axis\r
+       xb = 1 << xs;                   // Use shift value to get x bit mask\r
+       ys = joy? 3 : 1;                // Do the same for y axis\r
+       yb = 1 << ys;\r
+\r
+// Read the absolute joystick values\r
+       __asm {\r
+               pushf                           // Save some registers\r
+               push    si\r
+               push    di\r
+               cli                                     // Make sure an interrupt doesn't screw the timings\r
+\r
+\r
+               mov             dx,0x201\r
+               in              al,dx\r
+               out             dx,al           // Clear the resistors\r
+\r
+               mov             ah,[xb]         // Get masks into registers\r
+               mov             ch,[yb]\r
+\r
+               xor             si,si           // Clear count registers\r
+               xor             di,di\r
+               xor             bh,bh           // Clear high byte of bx for later\r
+\r
+               push    bp                      // Don't mess up stack frame\r
+               mov             bp,MaxJoyValue\r
+#ifdef __BORLANDC__\r
+       }\r
+#endif\r
+loo:\r
+#ifdef __BORLANDC__\r
+       __asm {\r
+#endif\r
+               in              al,dx           // Get bits indicating whether all are finished\r
+\r
+               dec             bp                      // Check bounding register\r
+               jz              done            // We have a silly value - abort\r
+\r
+               mov             bl,al           // Duplicate the bits\r
+               and             bl,ah           // Mask off useless bits (in [xb])\r
+               add             si,bx           // Possibly increment count register\r
+               mov             cl,bl           // Save for testing later\r
+\r
+               mov             bl,al\r
+               and             bl,ch           // [yb]\r
+               add             di,bx\r
+\r
+               add             cl,bl\r
+               jnz             loo             // If both bits were 0, drop out\r
+#ifdef __BORLANDC__\r
+       }\r
+#endif\r
+done:\r
+#ifdef __BORLANDC__\r
+       __asm {\r
+#endif\r
+               pop             bp\r
+\r
+               mov             cl,[xs]         // Get the number of bits to shift\r
+               shr             si,cl           //  and shift the count that many times\r
+\r
+               mov             cl,[ys]\r
+               shr             di,cl\r
+\r
+               mov             [x],si          // Store the values into the variables\r
+               mov             [y],di\r
+\r
+               pop             di\r
+               pop             si\r
+               popf                            // Restore the registers\r
+       }\r
+\r
+       *xp = x;\r
+       *yp = y;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_GetJoyDelta() - Returns the relative movement of the specified\r
+//             joystick (from +/-127)\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void INL_GetJoyDelta(word joy,int *dx,int *dy/*,boolean adaptive*/)\r
+{\r
+       word            x,y;\r
+       word TimeCount = *clockw;\r
+       JoystickDef     *def;\r
+static word    lasttime;\r
+\r
+       IN_GetJoyAbs(joy,&x,&y);\r
+       def = inpu.JoyDefs + joy;\r
+\r
+       if (x < def->threshMinX)\r
+       {\r
+               if (x < def->joyMinX)\r
+                       x = def->joyMinX;\r
+\r
+               x = -(x - def->threshMinX);\r
+               x *= def->joyMultXL;\r
+               x >>= JoyScaleShift;\r
+               *dx = (x > 127)? -127 : -x;\r
+       }\r
+       else if (x > def->threshMaxX)\r
+       {\r
+               if (x > def->joyMaxX)\r
+                       x = def->joyMaxX;\r
+\r
+               x = x - def->threshMaxX;\r
+               x *= def->joyMultXH;\r
+               x >>= JoyScaleShift;\r
+               *dx = (x > 127)? 127 : x;\r
+       }\r
+       else\r
+               *dx = 0;\r
+\r
+       if (y < def->threshMinY)\r
+       {\r
+               if (y < def->joyMinY)\r
+                       y = def->joyMinY;\r
+\r
+               y = -(y - def->threshMinY);\r
+               y *= def->joyMultYL;\r
+               y >>= JoyScaleShift;\r
+               *dy = (y > 127)? -127 : -y;\r
+       }\r
+       else if (y > def->threshMaxY)\r
+       {\r
+               if (y > def->joyMaxY)\r
+                       y = def->joyMaxY;\r
+\r
+               y = y - def->threshMaxY;\r
+               y *= def->joyMultYH;\r
+               y >>= JoyScaleShift;\r
+               *dy = (y > 127)? 127 : y;\r
+       }\r
+       else\r
+               *dy = 0;\r
+//     if (adaptive)\r
+//     {\r
+//             time = (TimeCount - lasttime) / 2;\r
+//             if (time)\r
+//             {\r
+//                     if (time > 8)\r
+//                             time = 8;\r
+//                     *dx *= time;\r
+//                     *dy *= time;\r
+//             }\r
+//     }\r
+       lasttime = TimeCount;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_GetJoyButtons() - Returns the button status of the specified\r
+//             joystick\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static word\r
+INL_GetJoyButtons(word joy)\r
+{\r
+register       word    result;\r
+\r
+       result = inportb(0x201);        // Get all the joystick buttons\r
+       result >>= joy? 6 : 4;  // Shift into bits 0-1\r
+       result &= 3;                            // Mask off the useless bits\r
+       result ^= 3;\r
+       return(result);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_GetJoyButtonsDB() - Returns the de-bounced button status of the\r
+//             specified joystick\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+word\r
+IN_GetJoyButtonsDB(word joy)\r
+{\r
+       word TimeCount = *clockw;\r
+       word    lasttime;\r
+       word            result1,result2;\r
+\r
+       do\r
+       {\r
+               result1 = INL_GetJoyButtons(joy);\r
+               lasttime = TimeCount;\r
+               while(TimeCount == lasttime)\r
+                       //;\r
+               result2 = INL_GetJoyButtons(joy);\r
+       } while(result1 != result2);\r
+       return(result1);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_StartKbd() - Sets up my keyboard stuff for use\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static void\r
+INL_StartKbd(void)\r
+{\r
+       INL_KeyHook = NULL;     // Clear key hook\r
+\r
+       IN_ClearKeysDown();\r
+\r
+       OldKeyVect = getvect(KeyInt);//IN_KbdLED();\r
+       setvect(KeyInt,INL_KeyService);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_ShutKbd() - Restores keyboard control to the BIOS\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static void\r
+INL_ShutKbd(void)\r
+{\r
+       pokeb(0x40,0x17,peekb(0x40,0x17) & 0xfaf0);     // Clear ctrl/alt/shift flags\r
+\r
+       setvect(KeyInt,OldKeyVect);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_StartMouse() - Detects and sets up the mouse\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static boolean\r
+INL_StartMouse(void)\r
+{\r
+#if 0\r
+       if (getvect(MouseInt))\r
+       {\r
+               Mouse(MReset);\r
+               if (_AX == 0xffff)\r
+                       return(true);\r
+       }\r
+       return(false);\r
+#endif\r
+       byte far *vector;\r
+\r
+\r
+       if ((vector=MK_FP(peek(0,0x33*4+2),peek(0,0x33*4)))==NULL)\r
+       return false;\r
+\r
+       if (*vector == 207)\r
+               return false;\r
+\r
+       Mouse(MReset);\r
+       return true;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_ShutMouse() - Cleans up after the mouse\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static void\r
+INL_ShutMouse(void)\r
+{\r
+}\r
+\r
+//\r
+//     INL_SetJoyScale() - Sets up scaling values for the specified joystick\r
+//\r
+static void\r
+INL_SetJoyScale(word joy)\r
+{\r
+       JoystickDef     *def;\r
+\r
+       def = &(inpu.JoyDefs[joy]);\r
+       def->joyMultXL = JoyScaleMax / (def->threshMinX - def->joyMinX);\r
+       def->joyMultXH = JoyScaleMax / (def->joyMaxX - def->threshMaxX);\r
+       def->joyMultYL = JoyScaleMax / (def->threshMinY - def->joyMinY);\r
+       def->joyMultYH = JoyScaleMax / (def->joyMaxY - def->threshMaxY);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_SetupJoy() - Sets up thresholding values and calls INL_SetJoyScale()\r
+//             to set up scaling values\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_SetupJoy(word joy,word minx,word maxx,word miny,word maxy)\r
+{\r
+       word            d,r;\r
+       JoystickDef     *def;\r
+\r
+       def = &(inpu.JoyDefs[joy]);\r
+\r
+       def->joyMinX = minx;\r
+       def->joyMaxX = maxx;\r
+       r = maxx - minx;\r
+       d = r / 3;\r
+       def->threshMinX = ((r / 2) - d) + minx;\r
+       def->threshMaxX = ((r / 2) + d) + minx;\r
+\r
+       def->joyMinY = miny;\r
+       def->joyMaxY = maxy;\r
+       r = maxy - miny;\r
+       d = r / 3;\r
+       def->threshMinY = ((r / 2) - d) + miny;\r
+       def->threshMaxY = ((r / 2) + d) + miny;\r
+\r
+       INL_SetJoyScale(joy);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_StartJoy() - Detects & auto-configures the specified joystick\r
+//                                     The auto-config assumes the joystick is centered\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static boolean\r
+INL_StartJoy(word joy)\r
+{\r
+       word            x,y;\r
+\r
+       IN_GetJoyAbs(joy,&x,&y);\r
+\r
+       if\r
+       (\r
+               ((x == 0) || (x > MaxJoyValue - 10))\r
+       ||      ((y == 0) || (y > MaxJoyValue - 10))\r
+       )\r
+               return(false);\r
+       else\r
+       {\r
+               IN_SetupJoy(joy,0,x * 2,0,y * 2);\r
+               return(true);\r
+       }\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_ShutJoy() - Cleans up the joystick stuff\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static void\r
+INL_ShutJoy(word joy)\r
+{\r
+       inpu.JoysPresent[joy] = false;\r
+}\r
+\r
+//     Public routines\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_Startup() - Starts up the Input Mgr\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_Startup()\r
+{\r
+       boolean checkjoys,checkmouse;\r
+       word    i;\r
+\r
+       if (inst.IN_Started)\r
+               return;\r
+\r
+       checkjoys = true;\r
+       checkmouse = true;\r
+       for (i = 1;i < _argc;i++)\r
+       {\r
+               switch (US_CheckParm(_argv[i],ParmStringsIN))\r
+               {\r
+               case 0:\r
+                       checkjoys = false;\r
+                       break;\r
+               case 1:\r
+                       checkmouse = false;\r
+                       break;\r
+               }\r
+       }\r
+\r
+       INL_StartKbd();\r
+       inpu.MousePresent = checkmouse? INL_StartMouse() : false;\r
+\r
+       for (i = 0;i < MaxJoys;i++)\r
+               inpu.JoysPresent[i] = checkjoys? INL_StartJoy(i) : false;\r
+\r
+       inst.IN_Started = true;\r
+\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_Default() - Sets up default conditions for the Input Mgr\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_Default(boolean gotit,player_t *player,ControlType nt)\r
+{\r
+       int i;\r
+       if\r
+       (\r
+               (!gotit)\r
+       ||      ((nt == ctrl_Joystick1) && !inpu.JoysPresent[0])\r
+       ||      ((nt == ctrl_Joystick2) && !inpu.JoysPresent[1])\r
+       ||      ((nt == ctrl_Mouse) && !inpu.MousePresent)\r
+       )\r
+               nt = ctrl_Keyboard1;\r
+       inpu.KbdDefs[0].button0 = 0x1c;\r
+       inpu.KbdDefs[0].button1 = 0x38;\r
+       //in.KbdDefs[0].upleft = 0x47;\r
+       inpu.KbdDefs[0].up = 0x48;\r
+       //in.KbdDefs[0].upright = 0x49;\r
+       inpu.KbdDefs[0].left = 0x4b;\r
+       inpu.KbdDefs[0].right = 0x4d;\r
+       //in.KbdDefs[0].downleft = 0x4f;\r
+       inpu.KbdDefs[0].down = 0x50;\r
+       //in.KbdDefs[0].downright = 0x51;\r
+       IN_SetControlType(player,nt);\r
+       for(i=0; i>MaxPlayers;i++)\r
+               player[i].enti.d =2;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_Shutdown() - Shuts down the Input Mgr\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_Shutdown(void)\r
+{\r
+       word    i;\r
+\r
+       if (!inst.IN_Started)\r
+               return;\r
+\r
+       INL_ShutMouse();\r
+       for (i = 0;i < MaxJoys;i++)\r
+               INL_ShutJoy(i);\r
+       INL_ShutKbd();\r
+\r
+       inst.IN_Started = false;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_SetKeyHook() - Sets the routine that gets called by INL_KeyService()\r
+//                     everytime a real make/break code gets hit\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_SetKeyHook(void (*hook)())\r
+{\r
+       INL_KeyHook = hook;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_ClearKeysDown() - Clears the keyboard array\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_ClearKeysDown(void)\r
+{\r
+       //int   i;\r
+\r
+       inpu.LastScan = sc_None;\r
+       inpu.LastASCII = key_None;\r
+       memset (inpu.Keyboard,0,sizeof(inpu.Keyboard));\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     INL_AdjustCursor() - Internal routine of common code from IN_ReadCursor()\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+static void\r
+INL_AdjustCursor(CursorInfo *info,word buttons,int dx,int dy)\r
+{\r
+       if (buttons & (1 << 0))\r
+               info->button0 = true;\r
+       if (buttons & (1 << 1))\r
+               info->button1 = true;\r
+\r
+       info->x += dx;\r
+       info->y += dy;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_ReadCursor() - Reads the input devices and fills in the cursor info\r
+//             struct\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_ReadCursor(CursorInfo *info)\r
+{\r
+       word    i,\r
+                       buttons;\r
+       int             dx,dy;\r
+\r
+       info->x = info->y = 0;\r
+       info->button0 = info->button1 = false;\r
+\r
+       if (inpu.MousePresent)\r
+       {\r
+               buttons = INL_GetMouseButtons();\r
+               INL_GetMouseDelta(&dx,&dy);\r
+               INL_AdjustCursor(info,buttons,dx,dy);\r
+       }\r
+\r
+       for (i = 0;i < MaxJoys;i++)\r
+       {\r
+               if (!inpu.JoysPresent[i])\r
+                       continue;\r
+\r
+               buttons = INL_GetJoyButtons(i);\r
+               INL_GetJoyDelta(i,&dx,&dy/*,true*/);\r
+               dx /= 64;\r
+               dy /= 64;\r
+               INL_AdjustCursor(info,buttons,dx,dy);\r
+       }\r
+}\r
+\r
+//if else for gfxtesting and direction\r
+#define DIRECTIONIFELSE        (player->info.dir == 2)\r
+//#define NDIRECTIONIFELSE     (player->info.dir != 2)\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_ReadControl() - Reads the device associated with the specified\r
+//             player and fills in the control info struct\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_ReadControl(player_t *player)\r
+{\r
+                       boolean         realdelta;\r
+#if DEMO0\r
+                       byte            dbyte;\r
+#endif\r
+                       word            buttons;\r
+                       int                     dx,dy;\r
+                       Motion          mx,my;\r
+                       ControlType     type;\r
+                       sword conpee;\r
+                       byte dir=DirTable[2];\r
+register       KeyboardDef     *def;\r
+\r
+       dx = dy = 0;\r
+       mx = my = motion_None;\r
+       buttons = 0;\r
+\r
+#if DEMO0\r
+       if (DemoMode == demo_Playback)\r
+       {\r
+               dbyte = DemoBuffer[DemoOffset + 1];\r
+               my = (dbyte & 3) - 1;\r
+               mx = ((dbyte >> 2) & 3) - 1;\r
+               buttons = (dbyte >> 4) & 3;\r
+\r
+               if (!(--DemoBuffer[DemoOffset]))\r
+               {\r
+                       DemoOffset += 2;\r
+                       if (DemoOffset >= DemoSize)\r
+                               DemoMode = demo_PlayDone;\r
+               }\r
+\r
+               realdelta = false;\r
+       }\r
+       else if (DemoMode == demo_PlayDone)\r
+               Quit ("Demo playback exceeded");\r
+       else\r
+       {\r
+#endif\r
+               switch (type = player->Controls)\r
+               {\r
+               case ctrl_Keyboard1:\r
+               case ctrl_Keyboard2:\r
+                       def = &(inpu.KbdDefs[type - ctrl_Keyboard]);\r
+\r
+/*                     if (Keyboard[def->upleft])\r
+                               mx = motion_Left,my = motion_Up;\r
+                       else if (Keyboard[def->upright])\r
+                               mx = motion_Right,my = motion_Up;\r
+                       else if (Keyboard[def->downleft])\r
+                               mx = motion_Left,my = motion_Down;\r
+                       else if (Keyboard[def->downright])\r
+                               mx = motion_Right,my = motion_Down;*/\r
+//TODO: make this into a function that the joystick AND keyboard can use wwww\r
+                       if(DIRECTIONIFELSE)//(player->info.dir == 2)\r
+                       {\r
+                       if(!inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]){\r
+                               if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]))\r
+                                       my = motion_Up;\r
+                               if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up]))\r
+                                       my = motion_Down;\r
+                       }else if(!inpu.Keyboard[def->up] && !inpu.Keyboard[def->down]){\r
+                               if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right]))\r
+                                       mx = motion_Left;\r
+                               if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left]))\r
+                                       mx = motion_Right;\r
+                       }else{  //2 keys pressed\r
+                                       switch (player->pdir)\r
+                                       {\r
+                                               case 0:\r
+                                               case 4:\r
+                                                       if((inpu.Keyboard[def->left] && !inpu.Keyboard[def->right])){ dir = DirTable[1]; }//mx = motion_Left; }\r
+                                                       else if((inpu.Keyboard[def->right] && !inpu.Keyboard[def->left])){ dir = DirTable[3]; }//mx = motion_Right; }\r
+                                               break;\r
+                                               case 1:\r
+                                               case 3:\r
+                                                       if((inpu.Keyboard[def->up] && !inpu.Keyboard[def->down])){ dir = DirTable[0]; }//my = motion_Up; }\r
+                                                       else if((inpu.Keyboard[def->down] && !inpu.Keyboard[def->up])){ dir = DirTable[4]; }//my = motion_Down; }\r
+                                               break;\r
+                                               default:\r
+                                               break;\r
+                                       }\r
+#ifdef __DEBUG_InputMgr__\r
+                                       //if(dbg_testcontrolnoisy > 0){ printf("dir=%c ", dirchar(dir)); printf("pdir=%c        ", dirchar(player->pdir)); }\r
+#endif\r
+                               }\r
+                       }\r
+                       //input from player\r
+                       if (inpu.Keyboard[def->button0])\r
+                               buttons += 1 << 0;\r
+                       if (inpu.Keyboard[def->button1])\r
+                               buttons += 1 << 1;\r
+                       realdelta = false;\r
+                       break;\r
+               case ctrl_Joystick1:\r
+               case ctrl_Joystick2:\r
+                       INL_GetJoyDelta(type - ctrl_Joystick,&dx,&dy/*,false*/);\r
+                       buttons = INL_GetJoyButtons(type - ctrl_Joystick);\r
+                       realdelta = true;\r
+                       break;\r
+               case ctrl_Mouse:\r
+                       INL_GetMouseDelta(&dx,&dy);\r
+                       buttons = INL_GetMouseButtons();\r
+                       realdelta = true;\r
+                       break;\r
+               }\r
+#ifdef DEMO0\r
+       }\r
+#endif\r
+\r
+       if (realdelta)\r
+       {\r
+               mx = (dx < 0)? motion_Left : ((dx > 0)? motion_Right : motion_None);\r
+               my = (dy < 0)? motion_Up : ((dy > 0)? motion_Down : motion_None);\r
+       }\r
+       else\r
+       {\r
+               dx = mx;// * 127;\r
+               dy = my;// * 127;\r
+       }\r
+\r
+       player->info.x = dx;\r
+       player->info.xaxis = mx;\r
+       player->info.y = dy;\r
+       player->info.yaxis = my;\r
+       player->info.button0 = buttons & (1 << 0);\r
+       player->info.button1 = buttons & (1 << 1);\r
+       player->info.button2 = buttons & (1 << 2);\r
+       player->info.button3 = buttons & (1 << 3);\r
+//     player->info.dir = DirTable[((my + 1) * 3) + (mx + 1)];\r
+       conpee=(((my + 1) * 2) + (mx + 1))-1;\r
+       player->info.dir = DirTable[conpee];\r
+\r
+       if(DirTable[conpee]!=2) player->pdir=DirTable[conpee];\r
+       if(player->enti.q==1 &&( dir!=2 || (mx!=motion_None || my!=motion_None)))\r
+       {\r
+               if(dir==2) player->enti.d = player->info.dir;\r
+               else player->enti.d = DirTable[dir];\r
+       }\r
+\r
+#if DEMO0\r
+       if (DemoMode == demo_Record)\r
+       {\r
+               // Pack the control info into a byte\r
+               dbyte = (buttons << 4) | ((mx + 1) << 2) | (my + 1);\r
+\r
+               if\r
+               (\r
+                       (DemoBuffer[DemoOffset + 1] == dbyte)\r
+               &&      (DemoBuffer[DemoOffset] < 255)\r
+               )\r
+                       (DemoBuffer[DemoOffset])++;\r
+               else\r
+               {\r
+                       if (DemoOffset || DemoBuffer[DemoOffset])\r
+                               DemoOffset += 2;\r
+\r
+                       if (DemoOffset >= DemoSize)\r
+                               Quit ("Demo buffer overflow");\r
+\r
+                       DemoBuffer[DemoOffset] = 1;\r
+                       DemoBuffer[DemoOffset + 1] = dbyte;\r
+               }\r
+       }\r
+#endif\r
+#ifdef __DEBUG_InputMgr__\r
+if(dbg_testcontrolnoisy > 0)\r
+if(player->info.dir!=2/*(inpu.Keyboard[def->up] || inpu.Keyboard[def->down] || inpu.Keyboard[def->left] || inpu.Keyboard[def->right])*/ || player->enti.q>1)\r
+{\r
+       //printf("b1=%u b2=%u b3=%u b4=%u       ", player->info.button0, player->info.button1, player->info.button2, player->info.button3);\r
+       //printf("q=%d ", player->enti.q);\r
+       //printf("cpee=%c ", dirchar(conpee));\r
+       printf("pdir=%c d=%c dir=%c ", dirchar(player->pdir), dirchar(player->enti.d), dirchar(player->info.dir));\r
+       /*if(realdelta) */printf("dx=%d dy=%d   mx=%d   my=%d", player->info.x, player->info.y, player->info.xaxis, player->info.yaxis);\r
+       //else if(!realdelta) printf("%c%d %c%d %c%d %c%d", dirchar(0), inpu.Keyboard[def->up], dirchar(4), inpu.Keyboard[def->down], dirchar(1), inpu.Keyboard[def->left], dirchar(3), inpu.Keyboard[def->right]);\r
+       printf("\n");\r
+}\r
+#endif\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_SetControlType() - Sets the control type to be used by the specified\r
+//             player\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_SetControlType(player_t *player,ControlType type)\r
+{\r
+       // DEBUG - check that requested type is present?\r
+       player->Controls = type;\r
+}\r
+\r
+#if DEMO0\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_StartDemoRecord() - Starts the demo recording, using a buffer the\r
+//             size passed. Returns if the buffer allocation was successful\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+boolean\r
+IN_StartDemoRecord(word bufsize)\r
+{\r
+       if (!bufsize)\r
+               return(false);\r
+\r
+       MM_GetPtr((memptr *)&DemoBuffer,bufsize);\r
+       DemoMode = demo_Record;\r
+       DemoSize = bufsize & ~1;\r
+       DemoOffset = 0;\r
+       DemoBuffer[0] = DemoBuffer[1] = 0;\r
+\r
+       return(true);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_StartDemoPlayback() - Plays back the demo pointed to of the given size\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_StartDemoPlayback(byte /*__segment*/ *buffer,word bufsize)\r
+{\r
+       DemoBuffer = buffer;\r
+       DemoMode = demo_Playback;\r
+       DemoSize = bufsize & ~1;\r
+       DemoOffset = 0;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_StopDemo() - Turns off demo mode\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_StopDemo(void)\r
+{\r
+       if ((DemoMode == demo_Record) && DemoOffset)\r
+               DemoOffset += 2;\r
+\r
+       DemoMode = demo_Off;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_FreeDemoBuffer() - Frees the demo buffer, if it's been allocated\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+void\r
+IN_FreeDemoBuffer(void)\r
+{\r
+       if (DemoBuffer)\r
+               MM_FreePtr((memptr *)&DemoBuffer);\r
+}\r
+#endif\r
+\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_GetScanName() - Returns a string containing the name of the\r
+//             specified scan code\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+byte *\r
+IN_GetScanName(ScanCode scan)\r
+{\r
+       byte            **p;\r
+       ScanCode        far *s;\r
+\r
+       for (s = ExtScanCodes,p = ExtScanNames;*s;p++,s++)\r
+               if (*s == scan)\r
+                       return(*p);\r
+\r
+       return(ScanNames[scan]);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_WaitForKey() - Waits for a scan code, then clears LastScan and\r
+//             returns the scan code\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+ScanCode\r
+IN_WaitForKey(void)\r
+{\r
+       ScanCode        result;\r
+\r
+       while (!(result = inpu.LastScan))\r
+               ;\r
+       inpu.LastScan = 0;\r
+       return(result);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_WaitForASCII() - Waits for an ASCII char, then clears LastASCII and\r
+//             returns the ASCII value\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+char\r
+IN_WaitForASCII(void)\r
+{\r
+       char            result;\r
+\r
+       while (!(result = inpu.LastASCII))\r
+               ;\r
+       inpu.LastASCII = '\0';\r
+       return(result);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_Ack() - waits for a button or key press.  If a button is down, upon\r
+// calling, it must be released for it to be recognized\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+\r
+boolean        btnstate[8];\r
+\r
+void IN_StartAck(void)\r
+{\r
+       unsigned        i,buttons;\r
+\r
+//\r
+// get initial state of everything\r
+//\r
+       IN_ClearKeysDown();\r
+       memset (btnstate,0,sizeof(btnstate));\r
+\r
+       buttons = IN_JoyButtons () << 4;\r
+       if (inpu.MousePresent)\r
+               buttons |= IN_MouseButtons ();\r
+\r
+       for (i=0;i<8;i++,buttons>>=1)\r
+               if (buttons&1)\r
+                       btnstate[i] = true;\r
+}\r
+\r
+\r
+boolean IN_CheckAck (void)\r
+{\r
+       unsigned        i,buttons;\r
+\r
+//\r
+// see if something has been pressed\r
+//\r
+       if (inpu.LastScan)\r
+               return true;\r
+\r
+       buttons = IN_JoyButtons () << 4;\r
+       if (inpu.MousePresent)\r
+               buttons |= IN_MouseButtons ();\r
+\r
+       for (i=0;i<8;i++,buttons>>=1)\r
+               if ( buttons&1 )\r
+               {\r
+                       if (!btnstate[i])\r
+                               return true;\r
+               }\r
+               else\r
+                       btnstate[i]=false;\r
+\r
+       return false;\r
+}\r
+\r
+\r
+void IN_Ack (void)\r
+{\r
+       IN_StartAck ();\r
+\r
+       while (!IN_CheckAck ())\r
+       ;\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_IsUserInput() - Returns true if a key has been pressed or a button\r
+//             is down\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+boolean\r
+IN_IsUserInput()\r
+{\r
+       boolean result;\r
+       word    i;\r
+\r
+       result = inpu.LastScan;\r
+\r
+       if (inpu.MousePresent)\r
+               if (INL_GetMouseButtons())\r
+                       result = true;\r
+\r
+       for (i = 0;i < MaxJoys;i++)\r
+               if (inpu.JoysPresent[i])\r
+                       if (INL_GetJoyButtons(i))\r
+                               result = true;\r
+\r
+       return(result);\r
+}\r
+\r
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+//     IN_UserInput() - Waits for the specified delay time (in ticks) or the\r
+//             user pressing a key or a mouse button. If the clear flag is set, it\r
+//             then either clears the key or waits for the user to let the mouse\r
+//             button up.\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+boolean IN_UserInput(word delay)\r
+{\r
+       word TimeCount = *clockw;\r
+       word    lasttime;\r
+\r
+       lasttime = TimeCount;\r
+       IN_StartAck ();\r
+       do\r
+       {\r
+               if (IN_CheckAck())\r
+                       return true;\r
+       } while (TimeCount - lasttime < delay);\r
+       return(false);\r
+}\r
+\r
+//===========================================================================\r
+\r
+/*\r
+===================\r
+=\r
+= IN_MouseButtons\r
+=\r
+===================\r
+*/\r
+\r
+byte   IN_MouseButtons (void)\r
+{\r
+       union REGS CPURegs;\r
+       if (inpu.MousePresent)\r
+       {\r
+               Mouse(MButtons);\r
+               return CPURegs.x.bx;\r
+       }\r
+       else\r
+               return 0;\r
+}\r
+\r
+\r
+/*\r
+===================\r
+=\r
+= IN_JoyButtons\r
+=\r
+===================\r
+*/\r
+\r
+byte   IN_JoyButtons (void)\r
+{\r
+       byte joybits;\r
+\r
+       joybits = inportb(0x201);       // Get all the joystick buttons\r
+       joybits >>= 4;                          // only the high bits are useful\r
+       joybits ^= 15;                          // return with 1=pressed\r
+\r
+       return joybits;\r
+}\r
+\r
+boolean IN_KeyDown(byte code)\r
+{\r
+#ifdef __DEBUG_InputMgr__\r
+       if(!dbg_nointest)\r
+#endif\r
+       return inpu.Keyboard[code];\r
+#ifdef __DEBUG_InputMgr__\r
+       else\r
+               if(dbg_nointest && kbhit())\r
+                       return 1;\r
+               else\r
+                       return 0;\r
+#endif\r
+}\r
+\r
+void IN_ClearKey(byte code)\r
+{\r
+       inpu.Keyboard[code] = false;\r
+       if(code == inpu.LastScan)\r
+               inpu.LastScan = sc_None;\r
+       }\r
+\r
+boolean IN_qb(byte kee)\r
+{\r
+#ifdef __DEBUG_InputMgr__\r
+       if(dbg_testkeyin) printf("%u\n", inpu.Keyboard[kee]);\r
+#endif\r
+       if(inpu.Keyboard[kee]==true) return 1;\r
+       else return 0;\r
+}\r
+\r
+ScanCode IN_GetLastScan()\r
+{\r
+       return inpu.LastScan;\r
+}\r
+\r
+ScanCode IN_GetCurCode()\r
+{\r
+       return inst.CurCode;\r
+}\r
+\r
+void IN_KbdLED()\r
+{\r
+       byte far *lock_key;\r
+\r
+       // turn off num-lock via BIOS\r
+       lock_key = MK_FP(0x040, 0x017); // Pointing to the address of the bios shift state keys\r
+       *lock_key&=(~(16 | 32 | 64)); // toggle off the locks by changing the values of the 4th, 5th, and 6th bits of the address byte of 0040:0017\r
+       OldKeyVect();   // call BIOS keyhandler to change keyboard lights\r
+}\r