547 lines
13 KiB
C++
547 lines
13 KiB
C++
asm {
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NORMAL_KEY_SCAN_DECODE_TABLE::
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DU8 0,CH_ESC,"1234567890-=",CH_BACKSPACE,'\t';
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DU8 "qwertyuiop[]",'\n',0,"as";
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DU8 "dfghjkl;'\`",0,"\\zxcv";
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DU8 "bnm,./",0,'*',0,CH_SPACE,0,0,0,0,0,0;
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DU8 0,0,0,0,0,0,0,0,0,0,'-',0,0,0,'+',0;
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SHIFT_KEY_SCAN_DECODE_TABLE::
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DU8 0,CH_SHIFT_ESC,"!@#$$%^&*()_+",CH_BACKSPACE,'\t';
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DU8 "QWERTYUIOP{}",'\n',0,"AS";
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DU8 "DFGHJKL:\"~",0,"|ZXCV";
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DU8 "BNM<>?",0,'*',0,CH_SHIFT_SPACE,0,0,0,0,0,0;
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DU8 0,0,0,0,0,0,0,0,0,0,'-',0,0,0,'+',0;
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CTRL_KEY_SCAN_DECODE_TABLE::
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DU8 0,CH_ESC,"1234567890-=",CH_BACKSPACE,'\t';
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DU8 CH_CTRLQ,CH_CTRLW,CH_CTRLE,CH_CTRLR,CH_CTRLT,CH_CTRLY,CH_CTRLU,CH_CTRLI,CH_CTRLO,CH_CTRLP,"[]",'\n',0,CH_CTRLA,CH_CTRLS;
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DU8 CH_CTRLD,CH_CTRLF,CH_CTRLG,CH_CTRLH,CH_CTRLJ,CH_CTRLK,CH_CTRLL,";'\`",0,"\\",CH_CTRLZ,CH_CTRLX,CH_CTRLC,CH_CTRLV;
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DU8 CH_CTRLB,CH_CTRLN,CH_CTRLM,",./",0,'*',0,CH_SPACE,0,0,0,0,0,0;
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DU8 0,0,0,0,0,0,0,0,0,0,'-',0,0,0,'+',0;
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}
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U0 KbdCmdSend(I64 port, U8 val)
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{
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F64 timeout=tS+0.125;
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while (tS<timeout) {
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if (!(InU8(KBD_CTRL)&2)) {
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OutU8(port,val);
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return;
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}
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}
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throw(EXCEPT_LOCAL);
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}
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I64 KbdCmdRead()
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{
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F64 timeout=tS+0.125;
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while (tS<timeout)
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if (InU8(KBD_CTRL)&1)
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return InU8(KBD_PORT);
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throw(EXCEPT_LOCAL);
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}
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U0 KbdCmdFlush()
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{
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F64 timeout=tS+0.03;
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while (tS<timeout)
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InU8(KBD_PORT);
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}
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U0 KbdSetLEDs(I64 sc)
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{
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Bool old_preempt=Preempt(OFF);
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U8 v=0;
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BEqu(&v,0,Bt(&sc,SCf_SCROLL));
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BEqu(&v,1,Bt(&sc,SCf_NUM));
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BEqu(&v,2,Bt(&sc,SCf_CAPS));
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try {
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KbdCmdSend(KBD_PORT,0xED);
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KbdCmdSend(KBD_PORT,v);
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} catch
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Fs->catch_except=TRUE;
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Preempt(old_preempt);
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}
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U0 KbdMouseCmdAck(U8 val)
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{
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I64 ack,timeout=5;
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do {
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ack=0;
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try {
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KbdCmdSend(KBD_CTRL,0xD4);
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KbdCmdSend(KBD_PORT,val);
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ack=KbdCmdRead;
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} catch {
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KbdCmdFlush;
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Fs->catch_except=TRUE;
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}
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} while (ack!=0xFA && --timeout);
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if (!timeout)
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throw(EXCEPT_LOCAL);
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}
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U0 SetTypeMatic(U8 delay)
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{
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try {
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KbdCmdSend(KBD_CTRL,0xA7); //Disable Mouse
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KbdCmdSend(KBD_CTRL,0xAE); //Enable Keyboard
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KbdCmdSend(KBD_PORT,0xF3);
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KbdCmdSend(KBD_PORT,delay); //Typematic rate
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KbdCmdSend(KBD_CTRL,0xA8); //Enable Mouse
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} catch {
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KbdCmdFlush;
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Fs->catch_except=TRUE;
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}
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}
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I64 A2ScanCode(I64 ch,I64 sc_flags=0)
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{ //ASCII val to scan code (Slow)
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I64 i;
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U8 *table;
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if (sc_flags) {
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table=NORMAL_KEY_SCAN_DECODE_TABLE;
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if (sc_flags & SCF_CTRL || ch<26)
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table=CTRL_KEY_SCAN_DECODE_TABLE;
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else if (sc_flags & SCF_SHIFT || 'A'<=ch<='Z') {
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if (!(sc_flags & SCF_CAPS))
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table=SHIFT_KEY_SCAN_DECODE_TABLE;
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} else {
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if (sc_flags & SCF_CAPS)
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table=SHIFT_KEY_SCAN_DECODE_TABLE;
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}
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for (i=0;i<0x50;i++)
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if (table[i]==ch)
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return i|sc_flags;
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return sc_flags;
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} else {
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table=NORMAL_KEY_SCAN_DECODE_TABLE;
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for (i=0;i<0x50;i++)
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if (table[i]==ch)
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return i;
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table=SHIFT_KEY_SCAN_DECODE_TABLE;
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for (i=0;i<0x50;i++)
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if (table[i]==ch)
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return i|SCF_SHIFT;
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table=CTRL_KEY_SCAN_DECODE_TABLE;
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for (i=0;i<0x50;i++)
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if (table[i]==ch)
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return i|SCF_CTRL;
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return 0;
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}
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}
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U8 ScanCode2A(I64 sc)
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{//Scan Code to ASCII val
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U8 *table=NORMAL_KEY_SCAN_DECODE_TABLE;
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if (sc & SCF_E0_PREFIX)
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return 0;
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if (sc & SCF_CTRL)
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table=CTRL_KEY_SCAN_DECODE_TABLE;
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else if (sc & SCF_SHIFT) {
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if (!(sc & SCF_CAPS))
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table=SHIFT_KEY_SCAN_DECODE_TABLE;
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} else {
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if (sc & SCF_CAPS)
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table=SHIFT_KEY_SCAN_DECODE_TABLE;
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}
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sc&=0x7F;
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if (sc>=0x50)
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return 0;
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else
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return table[sc];
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}
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U8 scan_code_map[0x100]={
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,SC_SHIFT,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,SC_ENTER,SC_CTRL,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0x35,0,0,SC_ALT,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,SC_HOME,SC_CURSOR_UP,SC_PAGE_UP,0,SC_CURSOR_LEFT,0,SC_CURSOR_RIGHT,0,SC_END,
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SC_CURSOR_DOWN,SC_PAGE_DOWN,SC_INS,SC_DELETE,0,0,0,0,0,0,0,0,SC_GUI,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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};
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U8 num_lock_map[0x100]={
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,8,9,10,0,5,6,7,0,2,
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3,4,11,0x34,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,SC_ENTER,SC_CTRL,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0x35,0,0,SC_ALT,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,SC_HOME,SC_CURSOR_UP,SC_PAGE_UP,0,SC_CURSOR_LEFT,0,SC_CURSOR_RIGHT,0,SC_END,
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SC_CURSOR_DOWN,SC_PAGE_DOWN,SC_INS,SC_DELETE,0,0,0,0,0,0,0,0,SC_GUI,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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};
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U8 *A2KeyName(I64 ch,Bool include_ctrl=TRUE)
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{//ASCII val to key name
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I64 i;
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U8 buf[136];
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if (ch<=CH_SPACE) {
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nobound_switch (ch) {
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case '\n':
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StrCpy(buf,"ENTER");
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break;
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case CH_BACKSPACE:
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StrCpy(buf,"BACKSPACE");
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break;
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case '\t':
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StrCpy(buf,"TAB");
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break;
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case CH_ESC:
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StrCpy(buf,"ESC");
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break;
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case CH_SHIFT_ESC:
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StrCpy(buf,"SHIFT_ESC");
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break;
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case 0: //nobound_switch
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case 29:
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case 30:
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*buf=0;
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break;
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case CH_SHIFT_SPACE:
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StrCpy(buf,"SHIFT_SPACE");
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break;
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case CH_SPACE:
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StrCpy(buf,"SPACE");
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break;
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default:
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if (include_ctrl)
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StrCpy(buf,"CTRL ");
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buf[i=StrLen(buf)]=ch-1+'a';
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buf[i+1]=0;
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break;
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}
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} else if (Bt(printable_chars_bitmap,ch)) {
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*buf=ch;
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buf[1]=0;
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} else
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*buf=0;
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return StrNew(buf);
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}
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U8 *ScanCode2KeyName(I64 sc)
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{
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I64 ch;
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U8 buf[136],*st;
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*buf=0;
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if (sc&SCF_CTRL)
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StrCat(buf,"CTRL ");
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if (sc&SCF_ALT)
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StrCat(buf,"ALT ");
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if (sc&SCF_SHIFT)
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StrCat(buf,"SHIFT ");
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if (ch=ScanCode2A(sc&255)) {
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st=A2KeyName(ch,FALSE);
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StrCpy(buf+StrLen(buf),st);
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Free(st);
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} else {
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switch (sc&255) {
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case SC_BACKSPACE:StrCat(buf,"BACK"); break;
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case SC_CAPS: StrCat(buf,"CAPS"); break;
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case SC_NUM: StrCat(buf,"NUM"); break;
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case SC_SCROLL: StrCat(buf,"SCROLL"); break;
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case SC_CURSOR_UP:StrCat(buf,"UP"); break;
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case SC_CURSOR_DOWN:StrCat(buf,"DOWN"); break;
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case SC_CURSOR_LEFT:StrCat(buf,"LEFT"); break;
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case SC_CURSOR_RIGHT:StrCat(buf,"RIGHT"); break;
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case SC_PAGE_UP:StrCat(buf,"PAGE_UP"); break;
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case SC_PAGE_DOWN:StrCat(buf,"PAGE_DOWN"); break;
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case SC_HOME: StrCat(buf,"HOME"); break;
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case SC_END: StrCat(buf,"END"); break;
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case SC_INS: StrCat(buf,"INS"); break;
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case SC_DELETE: StrCat(buf,"DELETE"); break;
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case SC_F1: StrCat(buf,"F1"); break;
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case SC_F2: StrCat(buf,"F2"); break;
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case SC_F3: StrCat(buf,"F3"); break;
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case SC_F4: StrCat(buf,"F4"); break;
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case SC_F5: StrCat(buf,"F5"); break;
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case SC_F6: StrCat(buf,"F6"); break;
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case SC_F7: StrCat(buf,"F7"); break;
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case SC_F8: StrCat(buf,"F8"); break;
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case SC_F9: StrCat(buf,"F9"); break;
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case SC_F10: StrCat(buf,"F10"); break;
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case SC_F11: StrCat(buf,"F11"); break;
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case SC_F12: StrCat(buf,"F12"); break;
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case SC_GUI: StrCat(buf,"WINDOWS"); break;
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case SC_PRTSCRN1: StrCat(buf,"PRTSCRN1"); break;
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case SC_PRTSCRN2: StrCat(buf,"PRTSCRN2"); break;
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}
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}
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return StrNew(buf);
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}
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I64 KbdBuildSC(U8 raw_byte,U8 *_last_raw_byte,I64 *_last_sc,
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Bool *_set_LEDs,Bool *_ctrl_alt)
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{
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I64 sc_flags,sc,sc2,sc_raw;
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*_set_LEDs=FALSE;
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*_ctrl_alt=FALSE;
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if (raw_byte==0xE0) {
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*_last_raw_byte=raw_byte;
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return 0;
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} else {
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sc=raw_byte;
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BEqu(&sc,SCf_E0_PREFIX,*_last_raw_byte==0xE0);
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BEqu(&sc,SCf_KEY_UP,raw_byte & 0x80);
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*_last_raw_byte=raw_byte;
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}
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sc_flags=_last_sc->u32[0]&~0x1FF;
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sc_raw=sc;
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if (sc_flags & SCF_NUM) {
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if (sc2=num_lock_map[sc.u8[0]])
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sc.u8[0]=sc2;
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} else {
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if (sc2=scan_code_map[sc.u8[0]])
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sc.u8[0]=sc2;
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}
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if (sc==SC_SHIFT) {
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sc_flags|=SCF_SHIFT;
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goto new_key_done;
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}
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if (sc==SC_SHIFT+SCF_KEY_UP) {
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sc_flags&=~SCF_SHIFT;
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goto new_key_done;
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}
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if (sc==SC_CTRL) {
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sc_flags|=SCF_CTRL;
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goto new_key_done;
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}
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if (sc==SC_CTRL+SCF_KEY_UP) {
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sc_flags&=~SCF_CTRL;
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goto new_key_done;
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}
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if (sc==SC_ALT) {
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sc_flags|=SCF_ALT;
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goto new_key_done;
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}
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if (sc==SC_ALT+SCF_KEY_UP) {
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sc_flags&=~SCF_ALT;
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goto new_key_done;
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}
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if (sc==SC_DELETE)
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sc_flags|=SCF_DELETE;
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else if (sc==SC_DELETE+SCF_KEY_UP)
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sc_flags&=~SCF_DELETE;
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if (sc==SC_INS)
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sc_flags|=SCF_INS;
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else if (sc==SC_INS+SCF_KEY_UP)
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sc_flags&=~SCF_INS;
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if (sc==SC_CAPS)
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goto new_key_done;
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if (sc==SC_CAPS+SCF_KEY_UP) {
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sc_flags^=SCF_CAPS;
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*_set_LEDs=TRUE;
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goto new_key_done;
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}
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if (sc==SC_NUM)
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goto new_key_done;
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if (sc==SC_NUM+SCF_KEY_UP) {
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sc_flags^=SCF_NUM;
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*_set_LEDs=TRUE;
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goto new_key_done;
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}
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if (sc==SC_SCROLL)
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goto new_key_done;
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if (sc==SC_SCROLL+SCF_KEY_UP) {
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sc_flags^=SCF_SCROLL;
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*_set_LEDs=TRUE;
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goto new_key_done;
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}
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if (sc_flags & SCF_CTRL && sc_flags & SCF_ALT) {
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sc_flags&=~SCF_NEW_KEY;
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*_ctrl_alt=TRUE;
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} else {
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new_key_done:
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sc_flags|=SCF_NEW_KEY;
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}
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return *_last_sc=sc_flags|sc|(sc_flags|sc_raw)<<32;
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}
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U0 KbdPktRead()
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{
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static U8 last_raw_byte=0;
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static I64 last_sc=0;
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U8 raw_byte;
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I64 ch,sc;
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Bool set_LEDs,ctrl_alt;
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if (GetTimeStamp>kbd_evt_time+time_stamp_freq>>3)
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FifoU8Flush(kbd_fifo);
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kbd_evt_time=GetTimeStamp;
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raw_byte=InU8(KBD_PORT);
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sc=KbdBuildSC(raw_byte,&last_raw_byte,&last_sc,&set_LEDs,&ctrl_alt);
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if (ctrl_alt && sc) {
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if (!(sc & SCF_KEY_UP)) {
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if (sc&255==SC_DELETE)
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CtrlAltDel(last_sc);
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else {
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if (sc&255==SC_ESC)
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ch='e';
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else if (sc&255==SC_TAB)
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ch='t';
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else
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ch=ScanCode2A(sc&255);
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if ('a'<=ch<='z' && fp_ctrl_alt_let_cbs[ch-'a'] &&
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Bt(&ctrl_alt_let_in_irq_flags,ch-'a')) {
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(*fp_ctrl_alt_let_cbs[ch-'a'])(last_sc);
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return;
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}
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}
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}
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}
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if (!FifoU8Cnt(kbd_fifo)) {
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FifoU8Ins(kbd_fifo,raw_byte);
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if (raw_byte!=0xE0) {
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while (FifoU8Rem(kbd_fifo,&raw_byte))
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FifoU8Ins(kbd2_fifo,raw_byte);
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}
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} else {
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|
FifoU8Ins(kbd_fifo,raw_byte);
|
|
while (FifoU8Rem(kbd_fifo,&raw_byte))
|
|
FifoU8Ins(kbd2_fifo,raw_byte);
|
|
}
|
|
}
|
|
|
|
interrupt U0 KbdIntHandler()
|
|
{
|
|
Cld;
|
|
OutU8(0x20,0x20);
|
|
kbd_irqs_working=TRUE;
|
|
if (mouse_install_attempt_in_progress) {
|
|
kbdmouse_rst=TRUE;
|
|
return;
|
|
}
|
|
ctrl_alt_let_ret_addr=GetBasePtr()(I64)+8;
|
|
KbdPktRead;
|
|
}
|
|
|
|
U0 KbdInit()
|
|
{
|
|
try {
|
|
KbdCmdFlush;
|
|
KbdCmdSend(KBD_CTRL,0xA7); //Disable Mouse
|
|
KbdCmdSend(KBD_CTRL,0xAE); //Enable Keyboard
|
|
KbdCmdSend(KBD_PORT,0xF0);
|
|
KbdCmdSend(KBD_PORT,0x02);
|
|
KbdSetLEDs(sys_cur_scan_code);
|
|
} catch {
|
|
KbdCmdFlush;
|
|
Fs->catch_except=TRUE;
|
|
}
|
|
IntEntrySet(0x21,&KbdIntHandler);
|
|
OutU8(0x21,InU8(0x21)&~2);
|
|
|
|
SetCtrlAltLetCB('C',&CtrlAltC,"Sys/Break Execution",TRUE);
|
|
SetCtrlAltLetCB('D',&CtrlAltD,"Sys/Enter Debugger",TRUE);
|
|
SetCtrlAltLetCB('E',&CtrlAltE,"Sys/Spawn New User Task");
|
|
SetCtrlAltLetCB('F',&CtrlAltF,"Sys/VGA Flush",TRUE);
|
|
SetCtrlAltLetCB('M',&CtrlAltM,"Sys/Toggle Mute");
|
|
SetCtrlAltLetCB('T',&CtrlAltT,"Sys/Switch Focus to Next Task",TRUE);
|
|
SetCtrlAltLetCB('X',&CtrlAltX,"Sys/Kill Focused Task",TRUE);
|
|
}
|
|
|
|
U0 KbdHandler()
|
|
{
|
|
static U8 last_raw_byte=0;
|
|
U8 raw_byte;
|
|
Bool set_LEDs,ctrl_alt;
|
|
I64 ch,sc;
|
|
|
|
FifoU8Rem(kbd2_fifo,&raw_byte);
|
|
sc=KbdBuildSC(raw_byte,&last_raw_byte,&sys_cur_scan_code,&set_LEDs,&ctrl_alt);
|
|
if (set_LEDs)
|
|
KbdSetLEDs(sc);
|
|
if (raw_byte==0xE0) {
|
|
FifoU8Rem(kbd2_fifo,&raw_byte);
|
|
sc=KbdBuildSC(raw_byte,&last_raw_byte,&sys_cur_scan_code,&set_LEDs,&ctrl_alt);
|
|
if (set_LEDs)
|
|
KbdSetLEDs(sc);
|
|
}
|
|
if (ctrl_alt) {
|
|
if (!(sc & SCF_KEY_UP)) {
|
|
if (sc&255==SC_ESC)
|
|
ch='e';
|
|
else if (sc&255==SC_TAB)
|
|
ch='t';
|
|
else
|
|
ch=ScanCode2A(sc&255);
|
|
if ('a'<=ch<='z' && fp_ctrl_alt_let_cbs[ch-'a'] &&
|
|
!Bt(&ctrl_alt_let_in_irq_flags,ch-'a'))
|
|
(*fp_ctrl_alt_let_cbs[ch-'a'])(sys_cur_scan_code);
|
|
}
|
|
return;
|
|
}
|
|
if (Btr(&sys_cur_scan_code,SCf_NEW_KEY)) {
|
|
Btr(&sys_cur_scan_code,32+SCf_NEW_KEY);
|
|
FifoI64Ins(scan_code_fifo,sys_cur_scan_code);
|
|
sys_key_cnt++;
|
|
if (!(sys_cur_scan_code&SCF_KEY_UP)) {
|
|
sys_last_down_scan_code=sys_cur_scan_code;
|
|
Bts(key_down_bitmap,sys_cur_scan_code.u8[0]);
|
|
Bts(key_down_bitmap2,sys_cur_scan_code.u8[4]);
|
|
} else {
|
|
Btr(key_down_bitmap,sys_cur_scan_code.u8[0]);
|
|
Btr(key_down_bitmap2,sys_cur_scan_code.u8[4]);
|
|
}
|
|
}
|
|
}
|
|
|
|
I64 KbdMsgsQue()
|
|
{
|
|
I64 p1,p2,msg_code=MSG_NULL;
|
|
CTask *task_focus;
|
|
if (task_focus=sys_focus_task) {
|
|
while (FifoI64Rem(scan_code_fifo,&p2)) {
|
|
p1=ScanCode2A(p2);
|
|
if (p2 & SCF_KEY_UP) {
|
|
TaskMsgQue(task_focus,0,
|
|
MSG_KEY_UP,p1,p2,0);
|
|
msg_code=MSG_KEY_UP;
|
|
} else {
|
|
TaskMsgQue(task_focus,0,
|
|
MSG_KEY_DOWN,p1,p2,0);
|
|
msg_code=MSG_KEY_DOWN;
|
|
}
|
|
}
|
|
}
|
|
return msg_code;
|
|
}
|
|
|
|
I64 KbdMouseEvtTime()
|
|
{
|
|
if (mouse_evt_time>kbd_evt_time)
|
|
return mouse_evt_time;
|
|
else
|
|
return kbd_evt_time;
|
|
}
|