if(P2_0==0)
{
while(!P2_0);
b=1;
P0=seg7code[1];
}
if(P2_1==0)
{
while(!P2_1);
b=2;
P0=seg7code[2];
}
anjian();
switch(b)
{
case 0: break;
case 1: frun();break;
case 2: zrun(); break;
default:break;
}
switch(y)
{
case 7:speed=100;break;
case 9:speed=99;break;
case 11:speed=98;break;
case 13:speed=97;break;
case 15:speed=96;break;
case 17:speed=95;break;
case 19:speed=94;break;
case 21:speed=93;break;
case 23:speed=92;break;
case 25:speed=91;break;
case 27:speed=90;break;
case 29:speed=89;break;
case 31:speed=88;break;
case 33:speed=87;break;
case 35:speed=86;break;
case 37:speed=85;break;
case 39:speed=84;break;
case 41:speed=83;break;
case 43:speed=82;break;
case 45:speed=81;break;
case 47:speed=80;break;
case 49:speed=79;break;
case 51:speed=78;break;
case 53:speed=77;break;
case 55:speed=76;break;
case 57:speed=75;break;
case 59:speed=74;break;
case 61:speed=73;break;
case 63:speed=72;break;
case 65:speed=71;break;
case 67:speed=70;break;
case 69:speed=69;break;
case 71:speed=68;break;
case 73:speed=67;break;
case 75:speed=66;break;
case 77:speed=65;break;
case 79:speed=64;break;
case 81:speed=63;break;
case 83:speed=62;break;
case 85:speed=61;break;
case 87:speed=60;break;
case 89:speed=59;break;
case 91:speed=58;break;
case 93:speed=57;break;
case 95:speed=56;break;
case 97:speed=55;break;
case 99:speed=54;break;
case 101:speed=53;break;
case 103:speed=52;break;
case 105:speed=51;break;
case 107:speed=50;break;
case 109:speed=49;break;
case 111:speed=48;break;
case 113:speed=47;break;
case 115:speed=46;break;
case 117:speed=45;break;
case 119:speed=44;break;
case 121:speed=43;break;
case 123:speed=42;break;
case 125:speed=41;break;
case 127:speed=40;break;
case 129:speed=39;break;
case 131:speed=38;break;
case 133:speed=37;break;
case 135:speed=36;break;
case 137:speed=35;break;
case 139:speed=34;break;
case 141:speed=33;break;
case 143:speed=32;break;
case 145:speed=31;break;
case 147:speed=30;break;
case 149:speed=29;break;
case 151:speed=28;break;
case 153:speed=27;break;
case 155:speed=26;break;
case 157:speed=25;break;