xschem/xschem_library/examples/real_capa.sch

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v {xschem version=2.9.5_RC5 file_version=1.1}
G {
process
variable buf: LINE;
variable last : time;
variable val : real;
begin
if now = 0 ns then
last := now;
USC.cap <=cap;
USC.conduct <=0.0;
USC.value <= 0.0;
end if;
wait on USC until last /=now;
last := now;
WRITE(buf,string'("start real_capa process"));
WRITELINE(output,buf);
USC.conduct <= 0.0;
USC.cap <= cap ;
val := USC.value'LAST_VALUE;
if now = 0 ns then
USC.value <= 0.0;
else
USC.value <= val;
end if;
end process;
}
V {}
S {}
E {}
C {iopin.sym} 50 -80 0 0 {name=p1 lab=USC sig_type=rreal}
C {use.sym} -120 -340 0 0 {library ieee;
use std.TEXTIO.all;
use ieee.std_logic_1164.all;
use work.rrreal.all;
library work;
use work.rrreal.all;
}