diff --git a/6502.S b/6502.S
index a6101a0..bdea756 100644
--- a/6502.S
+++ b/6502.S
@@ -1214,6 +1214,7 @@ op7d:  // ADC - Absolute, X
 op7e:  // ROR - Absolute, X
   _fromAbsoluteIndexed RX
   _ror
+  _toAddr
   _decode
 
 op81:  // STA - (Indirect, X)
diff --git a/ftest.c b/ftest.c
index a26af50..9269d62 100644
--- a/ftest.c
+++ b/ftest.c
@@ -17,7 +17,7 @@ void prn(int c) {
 
 void cpu6502_dump(uint32_t pc, uint32_t a, uint32_t x, uint32_t y,
                   uint32_t sp, uint32_t sr) {
-  uint8_t fp;
+  uint32_t fp;
   __asm__("movs %0, r12": "=r"(fp));
   fprintf(stderr, "*** dump *** PC=$%04x A=$%02x X=$%02x Y=$%02x SP=$%02x "
           "NV-B_DIZC=%d%d-%d_%d%d%d%d\n",
@@ -34,7 +34,7 @@ void cpu6502_dump(uint32_t pc, uint32_t a, uint32_t x, uint32_t y,
 }
 
 uint8_t cpu6502_load(uint16_t addr) {
-  uint8_t fp;
+  uint32_t fp;
   uint8_t result = 0;
   __asm__("movs %0, r12": "=r"(fp));
   result = mem[addr];
@@ -45,7 +45,7 @@ uint8_t cpu6502_load(uint16_t addr) {
 }
 
 void cpu6502_store(uint16_t addr, uint8_t data) {
-  uint8_t fp;
+  uint32_t fp;
   __asm__("movs %0, r12": "=r"(fp));
   mem[addr] = data;
   fprintf(stderr, "store $%04x <= $%02x\n", addr, data);
diff --git a/test.c b/test.c
index 81765b1..1061418 100644
--- a/test.c
+++ b/test.c
@@ -11,7 +11,7 @@ static uint32_t keyCount = 0;
 static uint8_t last = 0x00;
 
 void prn(int c) {
-  uint8_t fp;
+  uint32_t fp;
   __asm__("movs %0, r12": "=r"(fp));
   fprintf(stderr, "### $%02x ###\n", c);
   fflush(stderr);
@@ -20,7 +20,7 @@ void prn(int c) {
 
 void cpu6502_dump(uint32_t pc, uint32_t a, uint32_t x, uint32_t y,
                   uint32_t sp, uint32_t sr) {
-  uint8_t fp;
+  uint32_t fp;
   __asm__("movs %0, r12": "=r"(fp));
   assert(pc < 0x10000);
   assert(a < 0x100);
@@ -37,7 +37,7 @@ void cpu6502_dump(uint32_t pc, uint32_t a, uint32_t x, uint32_t y,
 }
 
 uint8_t cpu6502_load(uint16_t addr) {
-  uint8_t fp;
+  uint32_t fp;
   uint8_t result = 0;
   __asm__("movs %0, r12": "=r"(fp));
   if (0x0400 <= addr && addr <= 0x7ff) {
@@ -83,7 +83,7 @@ uint8_t cpu6502_load(uint16_t addr) {
 }
 
 void cpu6502_store(uint16_t addr, uint8_t data) {
-  uint8_t fp;
+  uint32_t fp;
   __asm__("movs %0, r12": "=r"(fp));
   if (0x0400 <= addr && addr <= 0x7ff) {
     // Fake text VRAM.