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'[[XOṘ Mạchịne]] is an [[OISC]] based on the XOR operation invented by [[User:A]]. It is an open question on whether this machine can simulate every logic gate with two parameters. ==Exclusive-Or reference== {| class="wikitable" border="1" |- ! A ! B ! Result |- | 1 | 1 | 0 |- | 1 | 0 | 1 |- | 0 | 1 | 1 |- | 0 | 0 | 0 |} ==The Program Execution Process== Input two bits, where the first bit represents a, and the second bit represents b. After processing the program, output whether a is larger than b. If that is true, output 1. Otherwise, output 0. There is only 1 constant available. That is the constant <code>1</code>, which represents the bit 1. <code>a</code> represents the bit a, and <code>b</code> represents the bit b. For every two commands, e.g. <code>ab</code>, a XOR b is done and is stored in a. ==Example programs== ===a AND (NOT b)=== ===(NOT a) AND b=== <code>abbabb</code> ===NOT (a XOR b)=== <code>aba1bb</code> ===Output 0=== <code>bbaa</code> ===Output 1=== <code>bbaaa1</code> ===a XOR b=== <code>abbb</code> ===a=== <code>bb</code> ===NOT a=== <code>bba1</code> ===NOT b=== <code>aaabbaaba1</code> ===b=== <code>aaabbaab</code> ===a AND b=== <code>b1</code> ===a NOR b=== <code>a1</code> ==C Implementation== <pre> #include <stdio.h> int main(int argc, char*argv[]) { FILE *fp=fopen(argv[1],"r"); char code[99999]; int c; for(int i=0;(c=fgetc(fp))!=EOF;i++) code[i]=c; char a,b; char s[3]; scanf("%s",&s); a=s[0]-48; b=s[1]-48; //debug for(int i=0;code[i]!='\0';i+=2) { if(code[i]=='a'&&code[i+1]=='a') a ^= a; else if(code[i]=='a'&&code[i+1]=='b') a ^= b; else if(code[i]=='a'&&code[i+1]=='1') a ^= 1; else if(code[i]=='b'&&code[i+1]=='a') b ^= a; else if(code[i]=='b'&&code[i+1]=='b') b ^= b; else if(code[i]=='b'&&code[i+1]=='1') b ^= 1; } printf("%d",a>b); return 0; }</pre> [[Category:2019]] [[Category:Languages]] [[Category:Implemented]] [[Category:OISC]] [[Category:Finite state automata]] [[Category:Total]]'