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Bit Register

Notes

if load (t-1) then out(t)=in(t-1) else out(t)=out(t-1)

Code

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CHIP Register {
    IN in[16], load;
    OUT out[16];

    PARTS:
    Bit(in=in[0], load=load, out=out[0]);
	Bit(in=in[1], load=load, out=out[1]);
	Bit(in=in[2], load=load, out=out[2]);
	Bit(in=in[3], load=load, out=out[3]);
	Bit(in=in[4], load=load, out=out[4]);
	Bit(in=in[5], load=load, out=out[5]);
	Bit(in=in[6], load=load, out=out[6]);
	Bit(in=in[7], load=load, out=out[7]);
	Bit(in=in[8], load=load, out=out[8]);
	Bit(in=in[9], load=load, out=out[9]);
	Bit(in=in[10], load=load, out=out[10]);
	Bit(in=in[11], load=load, out=out[11]);
	Bit(in=in[12], load=load, out=out[12]);
	Bit(in=in[13], load=load, out=out[13]);
	Bit(in=in[14], load=load, out=out[14]);
	Bit(in=in[15], load=load, out=out[15]);
}

Example Truth Table

!1 bit register.png

time in load out
0+ 0 0 0
1 0 0 0
1+ 0 1 0
2 0 1 0
2+ -32123 0 0
3 -32123 0 0
3+ 11111 0 0
4 11111 0 0
4+ -32123 1 0
5 -32123 1 -32123
5+ -32123 1 -32123
6 -32123 1 -32123
6+ -32123 0 -32123
7 -32123 0 -32123
7+ 12345 1 -32123
8 12345 1 12345
8+ 0 0 12345
9 0 0 12345
9+ 0 1 12345
10 0 1 0

Terms

Register State - the current state stored in the register

References:

Backlinks

Interactive Graph