cycle counter hack for X16 emulator

counter.diff

diff --git a/cpu/instructions.h b/cpu/instructions.h
index 09757cc..38dd1f1 100644
--- a/cpu/instructions.h
+++ b/cpu/instructions.h
@@ -505,3 +505,14 @@ static void tya() {
     zerocalc(a);
     signcalc(a);
 }
+
+#include <inttypes.h>
+static uint32_t cycles;
+
+static void in2() {
+       cycles = clockticks6502;
+}
+
+static void in3() {
+       printf("cycles: %"PRIu32"\n", clockticks6502 - cycles);
+}
diff --git a/cpu/tables.h b/cpu/tables.h
index 482d94e..4703525 100644
--- a/cpu/tables.h
+++ b/cpu/tables.h
@@ -22,7 +22,7 @@ static void (*addrtable[256])() = {
 
 static void (*optable[256])() = {
 /*        |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  A  |  B  |  C  |  D  |  E  |  F  |     */
-/* 0 */      brk,  ora,  nop,  nop,  tsb,  ora,  asl,  nop,  php,  ora,  asl,  nop,  tsb,  ora,  asl,  nop, /* 0 */
+/* 0 */      brk,  ora,  in2,  in3,  tsb,  ora,  asl,  nop,  php,  ora,  asl,  nop,  tsb,  ora,  asl,  nop, /* 0 */
 /* 1 */      bpl,  ora,  ora,  nop,  trb,  ora,  asl,  nop,  clc,  ora,  inc,  nop,  trb,  ora,  asl,  nop, /* 1 */
 /* 2 */      jsr,  and,  nop,  nop,  bit,  and,  rol,  nop,  plp,  and,  rol,  nop,  bit,  and,  rol,  nop, /* 2 */
 /* 3 */      bmi,  and,  and,  nop,  bit,  and,  rol,  nop,  sec,  and,  dec,  nop,  bit,  and,  rol,  nop, /* 3 */
@@ -42,7 +42,7 @@ static void (*optable[256])() = {
 
 static const uint32_t ticktable[256] = {
 /*        |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  A  |  B  |  C  |  D  |  E  |  F  |     */
-/* 0 */       7,    6,    2,    2,    5,    3,    5,    2,    3,    2,    2,    2,    6,    4,    6,    2, /* 0 */
+/* 0 */       7,    6,    0,    0,    5,    3,    5,    2,    3,    2,    2,    2,    6,    4,    6,    2, /* 0 */
 /* 1 */       2,    5,    5,    2,    5,    4,    6,    2,    2,    4,    2,    2,    6,    4,    7,    2, /* 1 */
 /* 2 */       6,    6,    2,    2,    3,    3,    5,    2,    4,    2,    2,    2,    4,    4,    6,    2, /* 2 */
 /* 3 */       2,    5,    5,    2,    4,    4,    6,    2,    2,    4,    2,    2,    4,    4,    7,    2, /* 3 */