+/* 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
projects / 16.git / commitdiff