Add 6502 TAX instruction

src/6502.c

@@ -1,6 +1,10 @@
 #include <stdio.h>
 #include "6502.h"
 
+void tax(FILE *outfile) {
+  fwrite(TAX, 1, 1, outfile);
+}
+
 void txa(FILE *outfile) {
   fwrite(TXA, 1, 1, outfile);
 }

src/6502.h

@@ -13,6 +13,7 @@
 
 #define NOP "\xEA"
 
+void tax(FILE *outfile);
 void txa(FILE *outfile);
 void tya(FILE *outfile);
 

src/main.c

@@ -39,6 +39,8 @@ void parser(char lexed_buf[512][128][128], FILE *outfile) { // outfile is needed
 			  inx(outfile);
 			} else if (!strcmp(lexed_buf[i][j], "INY")) {
 			  iny(outfile);
+			} else if (!strcmp(lexed_buf[i][j], "TAX")) {
+			  tax(outfile);
 			} else if (!strcmp(lexed_buf[i][j], "TXA")) {
 			  txa(outfile);
 			} else if (!strcmp(lexed_buf[i][j], "TYA")) {

tests/test.asm

@@ -1,9 +1,11 @@
-NOP
-INX
-INX
-INY
-TXA
-INY
 INY
 INY
 TYA
+INY
+TAX
+INX
+INX
+TYA
+INY
+INY
+INY

tests/test.bin

@@ -1 +1 @@
-кииИЉИИИ<EFBFBD>
+ИИ<EFBFBD>ИЄии<EFBFBD>ИИИ