select8.comp

来自「CNC 的开放码,EMC2 V2.2.8版」· COMP 代码 · 共 20 行

component select8 "8-bit binary match detector";
param rw bit enable = TRUE "Set enable to FALSE to cause all outputs to be set FALSE";
pin in s32 sel "The number of the output to set TRUE.  All other outputs well be set FALSE";
pin out bit out#[8] "Output bits.  If enable is set and the sel input is between 0 and 7, then the corresponding output bit will be set true";
function _ nofp;
license "GPL";
;;
FUNCTION(_) {
	hal_s32_t temp_sel;
	int i, temp_enable;
	temp_sel = sel;
	temp_enable = enable;
	for (i=0;i<8;i++) {
		if (!temp_enable || temp_sel!=i)
			out(i)=0;
		else
			out(i)=1;
	}
}