| fn lfsr8(n: u8) -> u8 { |
| //let bit3 = (n >> 3) as u1; |
| //let bit4 = (n >> 4) as u1; |
| //let bit5 = (n >> 5) as u1; |
| //let bit7 = (n >> 7) as u1; |
| //let new_bit = (bit3 ^ bit4 ^ bit5 ^ bit7) as u8; |
| //(n << 1) | new_bit |
| |
| n[0+:u7] ++ (n[3+:u1] ^ n[4+:u1] ^ n[5+:u1] ^ n[7+:u1]) |
| } |
| |
| fn lfsr11(n : u11) -> u11 { |
| n[0+:u10] ++ (n[8+:u1] ^ n[10+:u1]) |
| } |
| |
| #[test] |
| fn lfsr_test() { |
| let _ = assert_eq(lfsr8(u8:0), u8:0); |
| let _ = assert_eq(lfsr8(u8:1), u8:2); |
| let _ = assert_eq(lfsr8(u8:2), u8:4); |
| let _ = assert_eq(lfsr8(u8:4), u8:8); |
| let _ = assert_eq(lfsr8(u8:8), u8:17); |
| let _ = assert_eq(lfsr8(u8:17), u8:35); |
| let _ = assert_eq(lfsr8(u8:35), u8:71); |
| let _ = assert_eq(lfsr8(u8:71), u8:142); |
| let _ = assert_eq(lfsr8(u8:142), u8:28); |
| let _ = assert_eq(lfsr8(u8:28), u8:56); |
| let _ = assert_eq(lfsr8(u8:56), u8:113); |
| let _ = assert_eq(lfsr8(u8:113), u8:226); |
| let _ = assert_eq(lfsr8(u8:226), u8:196); |
| let _ = assert_eq(lfsr8(u8:196), u8:137); |
| let _ = assert_eq(lfsr8(u8:137), u8:18); |
| let _ = assert_eq(lfsr8(u8:18), u8:37); |
| let _ = assert_eq(lfsr8(u8:37), u8:75); |
| let _ = assert_eq(lfsr8(u8:75), u8:151); |
| let _ = assert_eq(lfsr8(u8:151), u8:46); |
| let _ = assert_eq(lfsr8(u8:46), u8:92); |
| let _ = assert_eq(lfsr8(u8:92), u8:184); |
| let _ = assert_eq(lfsr8(u8:184), u8:112); |
| let _ = assert_eq(lfsr8(u8:112), u8:224); |
| let _ = assert_eq(lfsr8(u8:224), u8:192); |
| let _ = assert_eq(lfsr8(u8:192), u8:129); |
| let _ = assert_eq(lfsr8(u8:129), u8:3); |
| let _ = assert_eq(lfsr8(u8:3), u8:6); |
| let _ = assert_eq(lfsr8(u8:6), u8:12); |
| let _ = assert_eq(lfsr8(u8:12), u8:25); |
| let _ = assert_eq(lfsr8(u8:25), u8:50); |
| let _ = assert_eq(lfsr8(u8:50), u8:100); |
| let _ = assert_eq(lfsr8(u8:100), u8:201); |
| let _ = assert_eq(lfsr8(u8:201), u8:146); |
| let _ = assert_eq(lfsr8(u8:146), u8:36); |
| let _ = assert_eq(lfsr8(u8:36), u8:73); |
| let _ = assert_eq(lfsr8(u8:73), u8:147); |
| let _ = assert_eq(lfsr8(u8:147), u8:38); |
| let _ = assert_eq(lfsr8(u8:38), u8:77); |
| let _ = assert_eq(lfsr8(u8:77), u8:155); |
| let _ = assert_eq(lfsr8(u8:155), u8:55); |
| let _ = assert_eq(lfsr8(u8:55), u8:110); |
| let _ = assert_eq(lfsr8(u8:110), u8:220); |
| let _ = assert_eq(lfsr8(u8:220), u8:185); |
| let _ = assert_eq(lfsr8(u8:185), u8:114); |
| let _ = assert_eq(lfsr8(u8:114), u8:228); |
| let _ = assert_eq(lfsr8(u8:228), u8:200); |
| let _ = assert_eq(lfsr8(u8:200), u8:144); |
| let _ = assert_eq(lfsr8(u8:144), u8:32); |
| let _ = assert_eq(lfsr8(u8:32), u8:65); |
| let _ = assert_eq(lfsr8(u8:65), u8:130); |
| let _ = assert_eq(lfsr8(u8:130), u8:5); |
| let _ = assert_eq(lfsr8(u8:5), u8:10); |
| let _ = assert_eq(lfsr8(u8:10), u8:21); |
| let _ = assert_eq(lfsr8(u8:21), u8:43); |
| let _ = assert_eq(lfsr8(u8:43), u8:86); |
| let _ = assert_eq(lfsr8(u8:86), u8:173); |
| let _ = assert_eq(lfsr8(u8:173), u8:91); |
| let _ = assert_eq(lfsr8(u8:91), u8:182); |
| let _ = assert_eq(lfsr8(u8:182), u8:109); |
| let _ = assert_eq(lfsr8(u8:109), u8:218); |
| let _ = assert_eq(lfsr8(u8:218), u8:181); |
| let _ = assert_eq(lfsr8(u8:181), u8:107); |
| let _ = assert_eq(lfsr8(u8:107), u8:214); |
| let _ = assert_eq(lfsr8(u8:214), u8:172); |
| let _ = assert_eq(lfsr8(u8:172), u8:89); |
| let _ = assert_eq(lfsr8(u8:89), u8:178); |
| let _ = assert_eq(lfsr8(u8:178), u8:101); |
| let _ = assert_eq(lfsr8(u8:101), u8:203); |
| let _ = assert_eq(lfsr8(u8:203), u8:150); |
| let _ = assert_eq(lfsr8(u8:150), u8:44); |
| let _ = assert_eq(lfsr8(u8:44), u8:88); |
| let _ = assert_eq(lfsr8(u8:88), u8:176); |
| let _ = assert_eq(lfsr8(u8:176), u8:97); |
| let _ = assert_eq(lfsr8(u8:97), u8:195); |
| let _ = assert_eq(lfsr8(u8:195), u8:135); |
| let _ = assert_eq(lfsr8(u8:135), u8:15); |
| let _ = assert_eq(lfsr8(u8:15), u8:31); |
| let _ = assert_eq(lfsr8(u8:31), u8:62); |
| let _ = assert_eq(lfsr8(u8:62), u8:125); |
| let _ = assert_eq(lfsr8(u8:125), u8:251); |
| let _ = assert_eq(lfsr8(u8:251), u8:246); |
| let _ = assert_eq(lfsr8(u8:246), u8:237); |
| let _ = assert_eq(lfsr8(u8:237), u8:219); |
| let _ = assert_eq(lfsr8(u8:219), u8:183); |
| let _ = assert_eq(lfsr8(u8:183), u8:111); |
| let _ = assert_eq(lfsr8(u8:111), u8:222); |
| let _ = assert_eq(lfsr8(u8:222), u8:189); |
| let _ = assert_eq(lfsr8(u8:189), u8:122); |
| let _ = assert_eq(lfsr8(u8:122), u8:245); |
| let _ = assert_eq(lfsr8(u8:245), u8:235); |
| let _ = assert_eq(lfsr8(u8:235), u8:215); |
| let _ = assert_eq(lfsr8(u8:215), u8:174); |
| let _ = assert_eq(lfsr8(u8:174), u8:93); |
| let _ = assert_eq(lfsr8(u8:93), u8:186); |
| let _ = assert_eq(lfsr8(u8:186), u8:116); |
| let _ = assert_eq(lfsr8(u8:116), u8:232); |
| let _ = assert_eq(lfsr8(u8:232), u8:209); |
| let _ = assert_eq(lfsr8(u8:209), u8:162); |
| let _ = assert_eq(lfsr8(u8:162), u8:68); |
| let _ = assert_eq(lfsr8(u8:68), u8:136); |
| let _ = assert_eq(lfsr8(u8:136), u8:16); |
| let _ = assert_eq(lfsr8(u8:16), u8:33); |
| let _ = assert_eq(lfsr8(u8:33), u8:67); |
| let _ = assert_eq(lfsr8(u8:67), u8:134); |
| let _ = assert_eq(lfsr8(u8:134), u8:13); |
| let _ = assert_eq(lfsr8(u8:13), u8:27); |
| let _ = assert_eq(lfsr8(u8:27), u8:54); |
| let _ = assert_eq(lfsr8(u8:54), u8:108); |
| let _ = assert_eq(lfsr8(u8:108), u8:216); |
| let _ = assert_eq(lfsr8(u8:216), u8:177); |
| let _ = assert_eq(lfsr8(u8:177), u8:99); |
| let _ = assert_eq(lfsr8(u8:99), u8:199); |
| let _ = assert_eq(lfsr8(u8:199), u8:143); |
| let _ = assert_eq(lfsr8(u8:143), u8:30); |
| let _ = assert_eq(lfsr8(u8:30), u8:60); |
| let _ = assert_eq(lfsr8(u8:60), u8:121); |
| let _ = assert_eq(lfsr8(u8:121), u8:243); |
| let _ = assert_eq(lfsr8(u8:243), u8:231); |
| let _ = assert_eq(lfsr8(u8:231), u8:206); |
| let _ = assert_eq(lfsr8(u8:206), u8:156); |
| let _ = assert_eq(lfsr8(u8:156), u8:57); |
| let _ = assert_eq(lfsr8(u8:57), u8:115); |
| let _ = assert_eq(lfsr8(u8:115), u8:230); |
| let _ = assert_eq(lfsr8(u8:230), u8:204); |
| let _ = assert_eq(lfsr8(u8:204), u8:152); |
| let _ = assert_eq(lfsr8(u8:152), u8:49); |
| let _ = assert_eq(lfsr8(u8:49), u8:98); |
| let _ = assert_eq(lfsr8(u8:98), u8:197); |
| let _ = assert_eq(lfsr8(u8:197), u8:139); |
| let _ = assert_eq(lfsr8(u8:139), u8:22); |
| let _ = assert_eq(lfsr8(u8:22), u8:45); |
| let _ = assert_eq(lfsr8(u8:45), u8:90); |
| let _ = assert_eq(lfsr8(u8:90), u8:180); |
| let _ = assert_eq(lfsr8(u8:180), u8:105); |
| let _ = assert_eq(lfsr8(u8:105), u8:210); |
| let _ = assert_eq(lfsr8(u8:210), u8:164); |
| let _ = assert_eq(lfsr8(u8:164), u8:72); |
| let _ = assert_eq(lfsr8(u8:72), u8:145); |
| let _ = assert_eq(lfsr8(u8:145), u8:34); |
| let _ = assert_eq(lfsr8(u8:34), u8:69); |
| let _ = assert_eq(lfsr8(u8:69), u8:138); |
| let _ = assert_eq(lfsr8(u8:138), u8:20); |
| let _ = assert_eq(lfsr8(u8:20), u8:41); |
| let _ = assert_eq(lfsr8(u8:41), u8:82); |
| let _ = assert_eq(lfsr8(u8:82), u8:165); |
| let _ = assert_eq(lfsr8(u8:165), u8:74); |
| let _ = assert_eq(lfsr8(u8:74), u8:149); |
| let _ = assert_eq(lfsr8(u8:149), u8:42); |
| let _ = assert_eq(lfsr8(u8:42), u8:84); |
| let _ = assert_eq(lfsr8(u8:84), u8:169); |
| let _ = assert_eq(lfsr8(u8:169), u8:83); |
| let _ = assert_eq(lfsr8(u8:83), u8:167); |
| let _ = assert_eq(lfsr8(u8:167), u8:78); |
| let _ = assert_eq(lfsr8(u8:78), u8:157); |
| let _ = assert_eq(lfsr8(u8:157), u8:59); |
| let _ = assert_eq(lfsr8(u8:59), u8:119); |
| let _ = assert_eq(lfsr8(u8:119), u8:238); |
| let _ = assert_eq(lfsr8(u8:238), u8:221); |
| let _ = assert_eq(lfsr8(u8:221), u8:187); |
| let _ = assert_eq(lfsr8(u8:187), u8:118); |
| let _ = assert_eq(lfsr8(u8:118), u8:236); |
| let _ = assert_eq(lfsr8(u8:236), u8:217); |
| let _ = assert_eq(lfsr8(u8:217), u8:179); |
| let _ = assert_eq(lfsr8(u8:179), u8:103); |
| let _ = assert_eq(lfsr8(u8:103), u8:207); |
| let _ = assert_eq(lfsr8(u8:207), u8:158); |
| let _ = assert_eq(lfsr8(u8:158), u8:61); |
| let _ = assert_eq(lfsr8(u8:61), u8:123); |
| let _ = assert_eq(lfsr8(u8:123), u8:247); |
| let _ = assert_eq(lfsr8(u8:247), u8:239); |
| let _ = assert_eq(lfsr8(u8:239), u8:223); |
| let _ = assert_eq(lfsr8(u8:223), u8:191); |
| let _ = assert_eq(lfsr8(u8:191), u8:126); |
| let _ = assert_eq(lfsr8(u8:126), u8:253); |
| let _ = assert_eq(lfsr8(u8:253), u8:250); |
| let _ = assert_eq(lfsr8(u8:250), u8:244); |
| let _ = assert_eq(lfsr8(u8:244), u8:233); |
| let _ = assert_eq(lfsr8(u8:233), u8:211); |
| let _ = assert_eq(lfsr8(u8:211), u8:166); |
| let _ = assert_eq(lfsr8(u8:166), u8:76); |
| let _ = assert_eq(lfsr8(u8:76), u8:153); |
| let _ = assert_eq(lfsr8(u8:153), u8:51); |
| let _ = assert_eq(lfsr8(u8:51), u8:102); |
| let _ = assert_eq(lfsr8(u8:102), u8:205); |
| let _ = assert_eq(lfsr8(u8:205), u8:154); |
| let _ = assert_eq(lfsr8(u8:154), u8:53); |
| let _ = assert_eq(lfsr8(u8:53), u8:106); |
| let _ = assert_eq(lfsr8(u8:106), u8:212); |
| let _ = assert_eq(lfsr8(u8:212), u8:168); |
| let _ = assert_eq(lfsr8(u8:168), u8:81); |
| let _ = assert_eq(lfsr8(u8:81), u8:163); |
| let _ = assert_eq(lfsr8(u8:163), u8:70); |
| let _ = assert_eq(lfsr8(u8:70), u8:140); |
| let _ = assert_eq(lfsr8(u8:140), u8:24); |
| let _ = assert_eq(lfsr8(u8:24), u8:48); |
| let _ = assert_eq(lfsr8(u8:48), u8:96); |
| let _ = assert_eq(lfsr8(u8:96), u8:193); |
| let _ = assert_eq(lfsr8(u8:193), u8:131); |
| let _ = assert_eq(lfsr8(u8:131), u8:7); |
| let _ = assert_eq(lfsr8(u8:7), u8:14); |
| let _ = assert_eq(lfsr8(u8:14), u8:29); |
| let _ = assert_eq(lfsr8(u8:29), u8:58); |
| let _ = assert_eq(lfsr8(u8:58), u8:117); |
| let _ = assert_eq(lfsr8(u8:117), u8:234); |
| let _ = assert_eq(lfsr8(u8:234), u8:213); |
| let _ = assert_eq(lfsr8(u8:213), u8:170); |
| let _ = assert_eq(lfsr8(u8:170), u8:85); |
| let _ = assert_eq(lfsr8(u8:85), u8:171); |
| let _ = assert_eq(lfsr8(u8:171), u8:87); |
| let _ = assert_eq(lfsr8(u8:87), u8:175); |
| let _ = assert_eq(lfsr8(u8:175), u8:95); |
| let _ = assert_eq(lfsr8(u8:95), u8:190); |
| let _ = assert_eq(lfsr8(u8:190), u8:124); |
| let _ = assert_eq(lfsr8(u8:124), u8:249); |
| let _ = assert_eq(lfsr8(u8:249), u8:242); |
| let _ = assert_eq(lfsr8(u8:242), u8:229); |
| let _ = assert_eq(lfsr8(u8:229), u8:202); |
| let _ = assert_eq(lfsr8(u8:202), u8:148); |
| let _ = assert_eq(lfsr8(u8:148), u8:40); |
| let _ = assert_eq(lfsr8(u8:40), u8:80); |
| let _ = assert_eq(lfsr8(u8:80), u8:161); |
| let _ = assert_eq(lfsr8(u8:161), u8:66); |
| let _ = assert_eq(lfsr8(u8:66), u8:132); |
| let _ = assert_eq(lfsr8(u8:132), u8:9); |
| let _ = assert_eq(lfsr8(u8:9), u8:19); |
| let _ = assert_eq(lfsr8(u8:19), u8:39); |
| let _ = assert_eq(lfsr8(u8:39), u8:79); |
| let _ = assert_eq(lfsr8(u8:79), u8:159); |
| let _ = assert_eq(lfsr8(u8:159), u8:63); |
| let _ = assert_eq(lfsr8(u8:63), u8:127); |
| let _ = assert_eq(lfsr8(u8:127), u8:255); |
| let _ = assert_eq(lfsr8(u8:255), u8:254); |
| let _ = assert_eq(lfsr8(u8:254), u8:252); |
| let _ = assert_eq(lfsr8(u8:252), u8:248); |
| let _ = assert_eq(lfsr8(u8:248), u8:240); |
| let _ = assert_eq(lfsr8(u8:240), u8:225); |
| let _ = assert_eq(lfsr8(u8:225), u8:194); |
| let _ = assert_eq(lfsr8(u8:194), u8:133); |
| let _ = assert_eq(lfsr8(u8:133), u8:11); |
| let _ = assert_eq(lfsr8(u8:11), u8:23); |
| let _ = assert_eq(lfsr8(u8:23), u8:47); |
| let _ = assert_eq(lfsr8(u8:47), u8:94); |
| let _ = assert_eq(lfsr8(u8:94), u8:188); |
| let _ = assert_eq(lfsr8(u8:188), u8:120); |
| let _ = assert_eq(lfsr8(u8:120), u8:241); |
| let _ = assert_eq(lfsr8(u8:241), u8:227); |
| let _ = assert_eq(lfsr8(u8:227), u8:198); |
| let _ = assert_eq(lfsr8(u8:198), u8:141); |
| let _ = assert_eq(lfsr8(u8:141), u8:26); |
| let _ = assert_eq(lfsr8(u8:26), u8:52); |
| let _ = assert_eq(lfsr8(u8:52), u8:104); |
| let _ = assert_eq(lfsr8(u8:104), u8:208); |
| let _ = assert_eq(lfsr8(u8:208), u8:160); |
| let _ = assert_eq(lfsr8(u8:160), u8:64); |
| let _ = assert_eq(lfsr8(u8:64), u8:128); |
| let _ = assert_eq(lfsr8(u8:128), u8:1); |
| } |
| |
| pub fn user_module(io_in: u8) -> u8 { |
| lfsr8(io_in) |
| } |
| |
