diff options
Diffstat (limited to 'engines/cge/keybd.cpp')
| -rw-r--r-- | engines/cge/keybd.cpp | 213 |
1 files changed, 106 insertions, 107 deletions
diff --git a/engines/cge/keybd.cpp b/engines/cge/keybd.cpp index 95899bed55..a4590f4980 100644 --- a/engines/cge/keybd.cpp +++ b/engines/cge/keybd.cpp @@ -25,129 +25,128 @@ * Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon */ -#include "cge/keybd.h" -#include "cge/mouse.h" -#include <dos.h> +#include "cge/keybd.h" +#include "cge/mouse.h" +#include <dos.h> namespace CGE { -SPRITE * KEYBOARD::Client = NULL; +SPRITE *KEYBOARD::Client = NULL; uint8 KEYBOARD::Key[0x60] = { 0 }; uint16 KEYBOARD::Current = 0; -uint16 KEYBOARD::Code[0x60] = { 0,Esc,'1','2','3','4','5','6','7','8','9','0', - '-','+',BSp,Tab,'Q','W','E','R','T','Y','U', - 'I','O','P','[',']',Enter,0/*Ctrl*/,'A','S', - 'D','F','G','H','J','K','L',';','\'','`', - 0/*LShift*/,'\\','Z','X','C','V','B','N','M', - ',','.','/',0/*RShift*/,'*',0/*Alt*/,' ', - 0/*Caps*/,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10, - 0/*NumLock*/,0/*ScrollLock*/,Home,Up,PgUp, - '-',Left,Ctr,Right,'+',End,Down,PgDn,Ins,Del, - 0*0x54,0*0x55,0*0x56,F11,F12,0*0x59,0*0x5A, - 0*0x5B,0*0x5C,0*0x5D,0*0x5E,0*0x5F - }; -void (* KEYBOARD::OldKeyboard) (...); - - - -KEYBOARD::KEYBOARD (void) -{ - // steal keyboard interrupt - /* TODO replace totally by scummvm handling - OldKeyboard = getvect(KEYBD_INT); - setvect(KEYBD_INT, NewKeyboard); - */ - warning("STUB: KEYBOARD::KEYBOARD"); +uint16 KEYBOARD::Code[0x60] = { + 0, Esc, '1', '2', '3', + '4', '5', '6', '7', '8', + '9', '0', '-', '+', BSp, + Tab, 'Q', 'W', 'E', 'R', + 'T', 'Y', 'U', 'I', 'O', + 'P', '[', ']', Enter, 0/*Ctrl*/, + 'A', 'S', 'D', 'F', 'G', + 'H', 'J', 'K', 'L', ';', + '\'', '`', 0/*LShift*/, '\\', 'Z', + 'X', 'C', 'V', 'B', 'N', + 'M', ',', '.', '/', 0/*RShift*/, + '*', 0/*Alt*/, ' ', 0/*Caps*/, F1, + F2, F3, F4, F5, F6, + F7, F8, F9, F10, 0/*NumLock*/, + 0/*ScrollLock*/, Home, Up, PgUp, '-', + Left, Ctr, Right, '+', End, + Down, PgDn, Ins, Del, 0 * 0x54, + 0 * 0x55, 0 * 0x56, F11, F12, 0 * 0x59, + 0 * 0x5A, 0 * 0x5B, 0 * 0x5C, 0 * 0x5D, 0 * 0x5E, + 0 * 0x5F +}; + +void (* KEYBOARD::OldKeyboard)(...); + + +KEYBOARD::KEYBOARD(void) { + // steal keyboard interrupt + /* TODO replace totally by scummvm handling + OldKeyboard = getvect(KEYBD_INT); + setvect(KEYBD_INT, NewKeyboard); + */ + warning("STUB: KEYBOARD::KEYBOARD"); } - - -KEYBOARD::~KEYBOARD (void) -{ - // bring back keyboard interrupt - /* TODO replace totally by scummvm handling +KEYBOARD::~KEYBOARD(void) { + // bring back keyboard interrupt + /* TODO replace totally by scummvm handling setvect(KEYBD_INT, OldKeyboard); - */ - warning("STUB: KEYBOARD::~KEYBOARD"); + */ + warning("STUB: KEYBOARD::~KEYBOARD"); } - - -SPRITE * KEYBOARD::SetClient (SPRITE * spr) -{ - Swap(Client, spr); - return spr; +SPRITE *KEYBOARD::SetClient(SPRITE *spr) { + Swap(Client, spr); + return spr; } - - - -void KEYBOARD::NewKeyboard (...) -{ - // table address +void KEYBOARD::NewKeyboard(...) { + // table address /* - _SI = (uint16) Key; - - // take keyboard code - asm in al,60h - asm mov bl,al - asm and bx,007Fh - asm cmp bl,60h - asm jae xit - asm cmp al,bl - asm je ok // key pressed - - // key released... - asm cmp [si+bx],bh // BH == 0 - asm jne ok - // ...but not pressed: call the original service - OldKeyboard(); - return; - - ok: - asm shl ax,1 - asm and ah,1 - asm xor ah,1 - asm mov [si+bx],ah - asm jz xit // released: exit - - // pressed: lock ASCII code - _SI = (uint16) Code; - asm add bx,bx // uint16 size - asm mov ax,[si+bx] - asm or ax,ax - asm jz xit // zero means NO KEY - Current = _AX; - - _SI = (uint16) Client; - asm or si,si - asm jz xit // if (Client) ... -//--- fill current event entry with mask, key code and sprite - asm mov bx,EvtHead // take queue head pointer - asm inc byte ptr EvtHead // update queue head pointer - asm shl bx,3 // * 8 - _AX = Current; - asm mov Evt[bx].(struct EVENT)X,ax // key code - asm mov ax,KEYB // event mask - asm mov Evt[bx].(struct EVENT)Msk,ax // event mask - //asm mov Evt[bx].(struct EVENT)Y,dx // row - asm mov Evt[bx].(struct EVENT)Ptr,si // SPRITE pointer - - xit: - - asm in al,61h // kbd control lines - asm push ax // save it - asm or al,80h // set the "enable kbd" bit - asm out 61h,al // and write it out - asm pop ax // original control port value - asm out 61h,al // write it back - asm mov al,20h // send End-Of-Interrupt - asm out 20h,al // to the 8259 IC - */ - warning("STUB: KEYBOARD::NewKeyboard"); + _SI = (uint16) Key; + + // take keyboard code + asm in al,60h + asm mov bl,al + asm and bx,007Fh + asm cmp bl,60h + asm jae xit + asm cmp al,bl + asm je ok // key pressed + + // key released... + asm cmp [si+bx],bh // BH == 0 + asm jne ok + // ...but not pressed: call the original service + OldKeyboard(); + return; + + ok: + asm shl ax,1 + asm and ah,1 + asm xor ah,1 + asm mov [si+bx],ah + asm jz xit // released: exit + + // pressed: lock ASCII code + _SI = (uint16) Code; + asm add bx,bx // uint16 size + asm mov ax,[si+bx] + asm or ax,ax + asm jz xit // zero means NO KEY + Current = _AX; + + _SI = (uint16) Client; + asm or si,si + asm jz xit // if (Client) ... + //--- fill current event entry with mask, key code and sprite + asm mov bx,EvtHead // take queue head pointer + asm inc byte ptr EvtHead // update queue head pointer + asm shl bx,3 // * 8 + _AX = Current; + asm mov Evt[bx].(struct EVENT)X,ax // key code + asm mov ax,KEYB // event mask + asm mov Evt[bx].(struct EVENT)Msk,ax // event mask + //asm mov Evt[bx].(struct EVENT)Y,dx // row + asm mov Evt[bx].(struct EVENT)Ptr,si // SPRITE pointer + + xit: + + asm in al,61h // kbd control lines + asm push ax // save it + asm or al,80h // set the "enable kbd" bit + asm out 61h,al // and write it out + asm pop ax // original control port value + asm out 61h,al // write it back + asm mov al,20h // send End-Of-Interrupt + asm out 20h,al // to the 8259 IC + */ + warning("STUB: KEYBOARD::NewKeyboard"); } } // End of namespace CGE |