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version 10.3
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@ -121,12 +121,11 @@ This code calculates prime numbers using the Sieve of Eratosthenes algorithm::
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%zeropage basicsafe
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main {
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ubyte[256] sieve
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bool[256] sieve
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ubyte candidate_prime = 2 ; is increased in the loop
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sub start() {
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sys.memset(sieve, 256, false) ; clear the sieve
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sys.memset(sieve, 256, 0) ; clear the sieve
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txt.print("prime numbers up to 255:\n\n")
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ubyte amount=0
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repeat {
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@ -162,9 +161,6 @@ This code calculates prime numbers using the Sieve of Eratosthenes algorithm::
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}
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}
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when compiled an ran on a C-64 you'll get:
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![c64 screen](docs/source/_static/primes_example.png)
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@ -124,9 +124,7 @@ This code calculates prime numbers using the Sieve of Eratosthenes algorithm::
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ubyte candidate_prime = 2 ; is increased in the loop
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sub start() {
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; clear the sieve, to reset starting situation on subsequent runs
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sys.memset(sieve, 256, false)
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; calculate primes
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sys.memset(sieve, 256, 0) ; clear the sieve
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txt.print("prime numbers up to 255:\n\n")
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ubyte amount=0
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repeat {
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@ -147,7 +145,7 @@ This code calculates prime numbers using the Sieve of Eratosthenes algorithm::
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while sieve[candidate_prime] {
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candidate_prime++
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if candidate_prime==0
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return 0 ; we wrapped; no more primes available in the sieve
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return 0 ; we wrapped; no more primes
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}
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; found next one, mark the multiples and return it.
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@ -5,4 +5,4 @@ org.gradle.daemon=true
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kotlin.code.style=official
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javaVersion=11
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kotlinVersion=1.9.22
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version=10.3-SNAPSHOT
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version=10.3
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