We don't need the old standard one. The STEP_ADD and STEP_IF_COUNTER are also good for non-Toshiba stepper driver.

Marlin/stepper.cpp

@@ -676,20 +676,13 @@ ISR(TIMER1_COMPA_vect) {
       #endif //ADVANCE
 
       #define _COUNTER(axis) counter_## axis
-      #define _WRITE_STEP(AXIS, HIGHLOW) AXIS ##_STEP_WRITE(HIGHLOW)
       #define _APPLY_STEP(AXIS) AXIS ##_APPLY_STEP
       #define _INVERT_STEP_PIN(AXIS) INVERT_## AXIS ##_STEP_PIN
 
-      #ifdef CONFIG_STEPPERS_TOSHIBA
-        /**
-         * The Toshiba stepper controller require much longer pulses.
-         * So we 'stage' decompose the pulses between high and low
-         * instead of doing each in turn. The extra tests add enough
-         * lag to allow it work with without needing NOPs
-         */
       #define STEP_ADD(axis, AXIS) \
         _COUNTER(axis) += current_block->steps[_AXIS(AXIS)]; \
-         if (_COUNTER(axis) > 0) { _WRITE_STEP(AXIS, HIGH); }
+        if (_COUNTER(axis) > 0) { _APPLY_STEP(AXIS)(!_INVERT_STEP_PIN(AXIS),0); }
+
       STEP_ADD(x,X);
       STEP_ADD(y,Y);
       STEP_ADD(z,Z);
@@ -701,7 +694,7 @@ ISR(TIMER1_COMPA_vect) {
         if (_COUNTER(axis) > 0) { \
           _COUNTER(axis) -= current_block->step_event_count; \
           count_position[_AXIS(AXIS)] += count_direction[_AXIS(AXIS)]; \
-            _WRITE_STEP(AXIS, LOW); \
+          _APPLY_STEP(AXIS)(_INVERT_STEP_PIN(AXIS),0); \
         }
 
       STEP_IF_COUNTER(x, X);
@@ -711,25 +704,6 @@ ISR(TIMER1_COMPA_vect) {
         STEP_IF_COUNTER(e, E);
       #endif
 
-      #else // !CONFIG_STEPPERS_TOSHIBA
-
-        #define APPLY_MOVEMENT(axis, AXIS) \
-          _COUNTER(axis) += current_block->steps[_AXIS(AXIS)]; \
-          if (_COUNTER(axis) > 0) { \
-            _APPLY_STEP(AXIS)(!_INVERT_STEP_PIN(AXIS),0); \
-            _COUNTER(axis) -= current_block->step_event_count; \
-            count_position[_AXIS(AXIS)] += count_direction[_AXIS(AXIS)]; \
-            _APPLY_STEP(AXIS)(_INVERT_STEP_PIN(AXIS),0); \
-          }
-
-        APPLY_MOVEMENT(x, X);
-        APPLY_MOVEMENT(y, Y);
-        APPLY_MOVEMENT(z, Z);
-        #ifndef ADVANCE
-          APPLY_MOVEMENT(e, E);
-        #endif
-
-      #endif // CONFIG_STEPPERS_TOSHIBA
       step_events_completed++;
       if (step_events_completed >= current_block->step_event_count) break;
     }
@@ -1024,6 +998,7 @@ void st_init() {
 #endif
 
   #define _STEP_INIT(AXIS) AXIS ##_STEP_INIT
+  #define _WRITE_STEP(AXIS, HIGHLOW) AXIS ##_STEP_WRITE(HIGHLOW)
   #define _DISABLE(axis) disable_## axis()
 
   #define AXIS_INIT(axis, AXIS, PIN) \