mirror of
https://github.com/dborth/fceugx.git
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95 lines
2.1 KiB
C++
95 lines
2.1 KiB
C++
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#include <string.h>
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#include "share.h"
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#include "suborkb.h"
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#define AK2(x,y) ( (FKB_##x) | (FKB_##y <<8) )
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#define AK(x) FKB_##x
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static uint8 bufit[0x61];
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static uint8 ksmode;
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static uint8 ksindex;
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static uint16 matrix[13][2][4]=
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{
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{{AK(4),AK(G),AK(F),AK(C)},
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{AK(F2),AK(E),AK(5),AK(V)}},
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{{AK(2),AK(D),AK(S),AK(END)},
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{AK(F1),AK(W),AK(3),AK(X)}},
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{{AK(INSERT),AK(BACK),AK(NEXT),AK(RIGHT)},
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{AK(F8),AK(PRIOR),AK(DELETE),AK(HOME)}},
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{{AK(9),AK(I),AK(L),AK(COMMA)},
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{AK(F5),AK(O),AK(0),AK(PERIOD)}},
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{{AK(RBRACKET),AK(RETURN),AK(UP),AK(LEFT)},
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{AK(F7),AK(LBRACKET),AK(BACKSLASH),AK(DOWN)}},
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{{AK(Q),AK(CAPITAL),AK(Z),AK(TAB)},
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{AK(ESCAPE),AK(A),AK(1),AK(LCONTROL)}},
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{{AK(7),AK(Y),AK(K),AK(M)},
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{AK(F4),AK(U),AK(8),AK(J)}},
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{{AK(MINUS),AK(SEMICOLON),AK(APOSTROPHE),AK(SLASH)},
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{AK(F6),AK(P),AK(EQUALS),AK(LSHIFT)}},
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{{AK(T),AK(H),AK(N),AK(SPACE)},
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{AK(F3),AK(R),AK(6),AK(B)}},
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{{0,0,0,0},
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{0,0,0,0}},
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{{AK(LMENU),AK(NUMPAD4),AK(NUMPAD7),AK(F11)},
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{AK(F12),AK(NUMPAD1),AK(NUMPAD2),AK(NUMPAD8)}},
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{{AK(SUBTRACT),AK(ADD),AK(MULTIPLY),AK(NUMPAD9)},
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{AK(F10),AK(NUMPAD5),AK(DIVIDE),AK(NUMLOCK)}},
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{{AK(GRAVE),AK(NUMPAD6),AK(PAUSE),AK(SPACE)},
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{AK(F9),AK(NUMPAD3),AK(DECIMAL),AK(NUMPAD0)}},
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};
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static void SuborKB_Write(uint8 v)
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{
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v>>=1;
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if(v&2)
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{
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if((ksmode&1) && !(v&1))
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ksindex=(ksindex+1)%13;
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}
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ksmode=v;
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}
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static uint8 SuborKB_Read(int w, uint8 ret)
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{
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if(w)
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{
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int x;
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ret&=~0x1E;
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// if(ksindex==9)
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// {
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// if(ksmode&1)
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// ret|=2;
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// }
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// else
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// {
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for(x=0;x<4;x++)
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if(bufit[matrix[ksindex][ksmode&1][x]&0xFF]||bufit[matrix[ksindex][ksmode&1][x]>>8])
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ret|=1<<(x+1);
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// }
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ret^=0x1E;
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}
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return(ret);
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}
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static void SuborKB_Strobe(void)
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{
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ksmode=0;
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ksindex=0;
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}
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static void SuborKB_Update(void *data, int arg)
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{
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memcpy(bufit+1,data,0x60);
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}
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static INPUTCFC SuborKB={SuborKB_Read,SuborKB_Write,SuborKB_Strobe,SuborKB_Update,0,0};
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INPUTCFC *FCEU_InitSuborKB(void)
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{
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memset(bufit,0,sizeof(bufit));
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ksmode=ksindex=0;
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return(&SuborKB);
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}
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