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Size: 1.9 KB
Versions: 99
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Stored size: 1.9 KB
Contents
# require "../hruby_low2c.rb"
# An 8-bit register with C encrypting.
system :encrypt_register do
input :clk, :rst
[8].input :d
[8].output :q
code clk.posedge, c: [ "
#include <stdio.h>
#include \"hruby_sim.h\"
#include \"hruby_sim_gen.h\"
void encrypt() {
static char keys[] = { 'S', 'e', 'c', 'r', 'e', 't', ' ', '!' };
static int index = 0;
char buf;
buf = read8(",d,");
printf(\"######################## From software: encrypting d=%x\\n\",buf);
buf = buf ^ (keys[index]);
index = (index + 1) & sizeof(keys)-1;
printf(\"######################## From software: result =%x\\n\",buf);
write8(buf,",q,");
}
" ],
sim: "encrypt"
end
# A benchmark for the register.
system :encrypt_bench do
[8].inner :d, :clk, :rst
[8].inner :q
encrypt_register(:my_register).(clk,rst,d,q)
timed do
clk <= 0
rst <= 0
d <= 0
!10.ns
clk <= 1
rst <= 0
d <= 0
!10.ns
clk <= 0
rst <= 1
d <= 0
!10.ns
clk <= 1
rst <= 1
d <= 0
!10.ns
clk <= 0
rst <= 0
d <= 1
!10.ns
clk <= 1
rst <= 0
d <= 1
!10.ns
clk <= 0
rst <= 0
d <= 2
!10.ns
clk <= 1
rst <= 0
d <= 2
!10.ns
clk <= 0
rst <= 0
d <= 0
!10.ns
clk <= 1
rst <= 0
d <= 255
!10.ns
clk <= 0
rst <= 0
d <= 255
!10.ns
clk <= 1
rst <= 0
d <= 255
!10.ns
clk <= 0
rst <= 0
d <= 0
!10.ns
clk <= 1
rst <= 0
d <= 0
!10.ns
clk <= 0
rst <= 0
d <= 0
!10.ns
clk <= 1
rst <= 0
d <= 0
!10.ns
end
end
Version data entries
99 entries across 99 versions & 1 rubygems